source: stable/0.5/coin.m4 @ 117

Last change on this file since 117 was 117, checked in by andreasw, 14 years ago

bugfix for BuildTools? tickets #16 and #26

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1# Copyright (C) 2006 International Business Machines..
2# All Rights Reserved.
3# This file is distributed under the Common Public License.
4#
5## $Id: coin.m4 117 2006-10-18 04:16:16Z andreasw $
6#
7# Author: Andreas Wachter    IBM      2006-04-14
8
9# This file defines the common autoconf macros for COIN
10#
11
12# Check requirements
13AC_PREREQ(2.59)
14
15###########################################################################
16#                           COIN_MAIN_SUBDIRS                             #
17###########################################################################
18
19# This macro sets up the recursion into configure scripts into
20# subdirectories.  Each possible subdirectory should be provided as a
21# new argument to this macro.  The current limit is 10 subdirectories.
22# This automatically also checks for the Data subdirectory.
23
24AC_DEFUN([AC_COIN_MAIN_SUBDIRS],
25[AC_ARG_VAR([COIN_SKIP_PROJECTS],[Set to the subdirectories of projects that should be skipped in the configuration])
26
27m4_ifvaln([$1],[AC_MSG_CHECKING(whether directory $1 is available)
28                coin_skip=no
29                if test x"$COIN_SKIP_PROJECTS" != x; then
30                  for dir in $COIN_SKIP_PROJECTS; do
31                    if test $dir = $1; then
32                      coin_skip=yes
33                    fi
34                  done
35                fi
36                if test $coin_skip = yes; then
37                  AC_MSG_RESULT(skipping)
38                elif test -r $srcdir/$1/configure; then
39                  coin_subdirs="$coin_subdirs $1"
40                  AC_MSG_RESULT(yes)
41                  AC_CONFIG_SUBDIRS($1)
42                else
43                  AC_MSG_RESULT(no)
44                fi])
45m4_ifvaln([$2],[AC_MSG_CHECKING(whether directory $2 is available)
46                coin_skip=no
47                if test x"$COIN_SKIP_PROJECTS" != x; then
48                  for dir in $COIN_SKIP_PROJECTS; do
49                    if test $dir = $2; then
50                      coin_skip=yes
51                    fi
52                  done
53                fi
54                if test $coin_skip = yes; then
55                  AC_MSG_RESULT(skipping)
56                elif test -r $srcdir/$2/configure; then
57                  coin_subdirs="$coin_subdirs $2"
58                  AC_MSG_RESULT(yes)
59                  AC_CONFIG_SUBDIRS($2)
60                else
61                  AC_MSG_RESULT(no)
62                fi])
63m4_ifvaln([$3],[AC_MSG_CHECKING(whether directory $3 is available)
64                coin_skip=no
65                if test x"$COIN_SKIP_PROJECTS" != x; then
66                  for dir in $COIN_SKIP_PROJECTS; do
67                    if test $dir = $3; then
68                      coin_skip=yes
69                    fi
70                  done
71                fi
72                if test $coin_skip = yes; then
73                  AC_MSG_RESULT(skipping)
74                elif test -r $srcdir/$3/configure; then
75                  coin_subdirs="$coin_subdirs $3"
76                  AC_MSG_RESULT(yes)
77                  AC_CONFIG_SUBDIRS($3)
78                else
79                  AC_MSG_RESULT(no)
80                fi])
81m4_ifvaln([$4],[AC_MSG_CHECKING(whether directory $4 is available)
82                coin_skip=no
83                if test x"$COIN_SKIP_PROJECTS" != x; then
84                  for dir in $COIN_SKIP_PROJECTS; do
85                    if test $dir = $4; then
86                      coin_skip=yes
87                    fi
88                  done
89                fi
90                if test $coin_skip = yes; then
91                  AC_MSG_RESULT(skipping)
92                elif test -r $srcdir/$4/configure; then
93                  coin_subdirs="$coin_subdirs $4"
94                  AC_MSG_RESULT(yes)
95                  AC_CONFIG_SUBDIRS($4)
96                else
97                  AC_MSG_RESULT(no)
98                fi])
99m4_ifvaln([$5],[AC_MSG_CHECKING(whether directory $5 is available)
100                coin_skip=no
101                if test x"$COIN_SKIP_PROJECTS" != x; then
102                  for dir in $COIN_SKIP_PROJECTS; do
103                    if test $dir = $5; then
104                      coin_skip=yes
105                    fi
106                  done
107                fi
108                if test $coin_skip = yes; then
109                  AC_MSG_RESULT(skipping)
110                elif test -r $srcdir/$5/configure; then
111                  coin_subdirs="$coin_subdirs $5"
112                  AC_MSG_RESULT(yes)
113                  AC_CONFIG_SUBDIRS($5)
114                else
115                  AC_MSG_RESULT(no)
116                fi])
117m4_ifvaln([$6],[AC_MSG_CHECKING(whether directory $6 is available)
118                coin_skip=no
119                if test x"$COIN_SKIP_PROJECTS" != x; then
120                  for dir in $COIN_SKIP_PROJECTS; do
121                    if test $dir = $6; then
122                      coin_skip=yes
123                    fi
124                  done
125                fi
126                if test $coin_skip = yes; then
127                  AC_MSG_RESULT(skipping)
128                elif test -r $srcdir/$6/configure; then
129                  coin_subdirs="$coin_subdirs $6"
130                  AC_MSG_RESULT(yes)
131                  AC_CONFIG_SUBDIRS($6)
132                else
133                  AC_MSG_RESULT(no)
134                fi])
135m4_ifvaln([$7],[AC_MSG_CHECKING(whether directory $7 is available)
136                coin_skip=no
137                if test x"$COIN_SKIP_PROJECTS" != x; then
138                  for dir in $COIN_SKIP_PROJECTS; do
139                    if test $dir = $7; then
140                      coin_skip=yes
141                    fi
142                  done
143                fi
144                if test $coin_skip = yes; then
145                  AC_MSG_RESULT(skipping)
146                elif test -r $srcdir/$7/configure; then
147                  coin_subdirs="$coin_subdirs $7"
148                  AC_MSG_RESULT(yes)
149                  AC_CONFIG_SUBDIRS($7)
150                else
151                  AC_MSG_RESULT(no)
152                fi])
153m4_ifvaln([$8],[AC_MSG_CHECKING(whether directory $8 is available)
154                coin_skip=no
155                if test x"$COIN_SKIP_PROJECTS" != x; then
156                  for dir in $COIN_SKIP_PROJECTS; do
157                    if test $dir = $8; then
158                      coin_skip=yes
159                    fi
160                  done
161                fi
162                if test $coin_skip = yes; then
163                  AC_MSG_RESULT(skipping)
164                elif test -r $srcdir/$8/configure; then
165                  coin_subdirs="$coin_subdirs $8"
166                  AC_MSG_RESULT(yes)
167                  AC_CONFIG_SUBDIRS($8)
168                else
169                  AC_MSG_RESULT(no)
170                fi])
171m4_ifvaln([$9],[AC_MSG_CHECKING(whether directory $9 is available)
172                coin_skip=no
173                if test x"$COIN_SKIP_PROJECTS" != x; then
174                  for dir in $COIN_SKIP_PROJECTS; do
175                    if test $dir = $9; then
176                      coin_skip=yes
177                    fi
178                  done
179                fi
180                if test $coin_skip = yes; then
181                  AC_MSG_RESULT(skipping)
182                elif test -r $srcdir/$9/configure; then
183                  coin_subdirs="$coin_subdirs $9"
184                  AC_MSG_RESULT(yes)
185                  AC_CONFIG_SUBDIRS($9)
186                else
187                  AC_MSG_RESULT(no)
188                fi])
189m4_ifvaln([$10],[AC_MSG_CHECKING(whether directory $10 is available)
190                coin_skip=no
191                if test x"$COIN_SKIP_PROJECTS" != x; then
192                  for dir in $COIN_SKIP_PROJECTS; do
193                    if test $dir = $10; then
194                      coin_skip=yes
195                    fi
196                  done
197                fi
198                if test $coin_skip = yes; then
199                  AC_MSG_RESULT(skipping)
200                elif test -r $srcdir/$10/configure; then
201                  coin_subdirs="$coin_subdirs $10"
202                  AC_MSG_RESULT(yes)
203                  AC_CONFIG_SUBDIRS($10)
204                else
205                  AC_MSG_RESULT(no)
206                fi])
207]) # AC_COIN_MAIN_SUBDIRS
208
209###########################################################################
210#                        COIN_THIRDPARTY_SUBDIRS                          #
211###########################################################################
212
213# This macro sets up the recursion into the configure script in a
214# subdirectory for compilation of third party code.  The first
215# argument is just the string that appears in the configure output.
216# The second argument is the directory with the configure script, and
217# the third one is a file that should exists in that directory.  If
218# this file does not exist, we assume that the user has not downloaded
219# the code, and we are not going to compile it
220
221AC_DEFUN([AC_COIN_THIRDPARTY_SUBDIRS],
222[AC_MSG_CHECKING(whether code for third party package $1 is available)
223coin_skip=no
224if test x"$COIN_SKIP_PROJECTS" != x; then
225  for dir in $COIN_SKIP_PROJECTS; do
226    if test $dir = $2; then
227      coin_skip=yes
228    fi
229  done
230fi
231if test $coin_skip = yes; then
232  AC_MSG_RESULT(skipping)
233elif test -r $srcdir/$2/$3; then
234  coin_subdirs="$coin_subdirs $2"
235  AC_MSG_RESULT(yes)
236  AC_CONFIG_SUBDIRS($2)
237else
238  AC_MSG_RESULT(no)
239fi
240]) # AC_COIN_THIRDPARTY_SUBDIRS
241
242###########################################################################
243#                           COIN_CHECK_VPATH                              #
244###########################################################################
245
246# This macro sets the variable coin_vpath_config to true if this is a
247# VPATH configuration, otherwise it sets it to false.
248AC_DEFUN([AC_COIN_CHECK_VPATH],
249[AC_MSG_CHECKING(whether this is a VPATH configuration)
250if test `cd $srcdir; pwd` != `pwd`; then
251  coin_vpath_config=yes;
252else
253  coin_vpath_config=no;
254fi
255AC_MSG_RESULT($coin_vpath_config)
256]) # AC_COIN_CHECK_VPATH
257
258###########################################################################
259#                         COIN_PROJECTDIR_INIT                            #
260###########################################################################
261
262# This macro does everything that is required in the early part in the
263# configure script, such as defining a few variables.  This should only
264# be used in the main directory of a project directory (the one under
265# which src is)
266
267AC_DEFUN([AC_COIN_PROJECTDIR_INIT],
268[# Initialize the ADDLIBS variable
269ADDLIBS='-lm'
270AC_SUBST(ADDLIBS)
271
272# Initialize the FADDLIBS variable (which is to be used with a fortran
273# compiler and will not include FLIBS)
274FADDLIBS=
275AC_SUBST(FADDLIBS)
276
277# A useful makefile conditional that is always false
278AM_CONDITIONAL(ALWAYS_FALSE, false)
279
280# We set the following variable so that we know later in AC_COIN_FINALIZE
281# that we are in a project main directory
282coin_projectdir=yes
283]) # AC_COIN_PROJECTDIR_INIT
284
285###########################################################################
286#                          COIN_DEBUG_COMPILE                             #
287###########################################################################
288
289# enable the configure flags --enable-debug and --enable-debug-prjct
290# (where prcjt is the name of the project in lower case) and set the
291# variable coin_debug_compile to true or false This is used by
292# COIN_PROG_CXX, COIN_PROG_CC and COIN_PROG_F77 to determine the
293# compilation flags.  This macro also makes the switches
294# --with-prjct-verbosity and --with-prjct-checklevel available, which
295# define the preprocessor macros COIN_PRJCT_VERBOSITY and
296# COIN_PRJCT_CHECKLEVEL to the specified value (default is 0).
297#
298# The project specific flags are only made available, if one gives the
299# name of the project as first argument to this macro.
300
301AC_DEFUN([AC_COIN_DEBUG_COMPILE],
302[AC_BEFORE([$0],[AC_COIN_PROG_CXX])dnl
303AC_BEFORE([$0],[AC_COIN_PROG_CC])dnl
304AC_BEFORE([$0],[AC_COIN_PROG_F77])dnl
305
306AC_MSG_CHECKING([whether we want to compile in debug mode])
307
308AC_ARG_ENABLE([debug],
309[AC_HELP_STRING([--enable-debug],
310                [compile all projects with debug options tests])],
311[case "${enableval}" in
312   yes) coin_debug_compile=true
313        enable_shared=no
314        ;;
315   no)  coin_debug_compile=false
316        ;;
317   *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug)
318        ;;
319esac],
320[coin_debug_compile=false])
321
322m4_ifvaln([$1],
323[AC_ARG_ENABLE(debug-m4_tolower($1),
324 [AC_HELP_STRING([--enable-debug-m4_tolower($1)],
325                 [compile this project ($1) with debug options])],
326 [case "${enableval}" in
327    yes) coin_debug_compile=true
328         enable_shared=no
329         ;;
330    no)  coin_debug_compile=false
331         ;;
332    *) AC_MSG_ERROR(bad value ${enableval} for --enable-debug-m4_tolower($1))
333         ;;
334 esac],[:])
335]) # m4_ifvaln([$1],
336
337if test $coin_debug_compile = true; then
338  AC_MSG_RESULT([yes])
339else
340  AC_MSG_RESULT([no])
341fi
342
343m4_ifvaln([$1],
344[AC_ARG_WITH(m4_tolower($1)-verbosity,
345             AC_HELP_STRING([--with-m4_tolower($1)-verbosity],
346                            [specify the debug verbosity level for project $1]),
347             [m4_tolower(coin_$1_verbosity)=$withval],
348             [m4_tolower(coin_$1_verbosity)=0])
349 AC_DEFINE_UNQUOTED(m4_toupper(COIN_$1_VERBOSITY),
350                    m4_tolower($coin_$1_verbosity),
351                    [Define to the debug verbosity level (0 is no output)])
352
353 AC_ARG_WITH(m4_tolower($1)-checklevel,
354             AC_HELP_STRING([--with-m4_tolower($1)-checklevel],
355                            [specify the sanity check level for project $1]),
356             [m4_tolower(coin_$1_checklevel)=$withval],
357             [m4_tolower(coin_$1_checklevel)=0])
358 AC_DEFINE_UNQUOTED(m4_toupper(COIN_$1_CHECKLEVEL),
359                    m4_tolower($coin_$1_checklevel),
360                    [Define to the debug sanity check level (0 is no test)])
361
362# We use the following variable to have a string with the upper case
363# version of the project name
364COIN_PRJCT=m4_toupper($1)
365
366]) # m4_ifvaln([$1],
367 
368]) # AC_COIN_DEBUG_COMPILE
369
370###########################################################################
371#                          COIN_MINGW_LD_FIX                              #
372###########################################################################
373
374# This macro is included by any PROG_compiler macro, to set the LD
375# environment variable on MinWG to the correct value (link)
376
377AC_DEFUN([AC_COIN_MINGW_LD_FIX],
378[case $build in
379  *-mingw*)
380    if test "${LD+set}" = set; then :; else
381      LD=link
382    fi
383    ;;
384esac
385])
386
387###########################################################################
388#                        COIN_ENABLE_DOSCOMPILE                           #
389###########################################################################
390
391# This macro is included by any PROG_compiler macro, to enable the
392# --enable-doscompile options which is to be used when one wants to
393# compile an executable under Cygwin which also runs directly under
394# does (without requiring Cygwin1.dll).  Essentially, if enabled and
395# the GNU compilers are used, it switches the --mno-cygwin flag on.
396
397AC_DEFUN([AC_COIN_ENABLE_DOSCOMPILE],
398[AC_ARG_ENABLE([doscompile],
399[AC_HELP_STRING([--enable-doscompile],
400                [Under Cygwin, compile so that executables run under DOS (default: disabled)])],
401[if test "$enable_doscompile = yes"; then
402  case $build in
403    *-cygwin*) ;;
404    *) AC_MSG_ERROR([--enable-doscompile option makes only sense under Cygwin]) ;;
405  esac
406fi],
407[enable_doscompile=no])
408])
409
410###########################################################################
411#                             COIN_PROG_CXX                               #
412###########################################################################
413
414# Find the compile command by running AC_PROG_CXX (with compiler names
415# for different operating systems) and put it into CXX (unless it was
416# given my the user), and find an appropriate value for CXXFLAGS.  It is
417# possible to provide additional -D flags in the variable CXXDEFS.
418
419AC_DEFUN([AC_COIN_PROG_CXX],
420[AC_REQUIRE([AC_COIN_PROG_CC]) #Let's try if that overcomes configuration problem with VC++ 6.0
421AC_REQUIRE([AC_COIN_ENABLE_DOSCOMPILE])
422AC_LANG_PUSH(C++)
423
424AC_ARG_VAR(CXXDEFS,[Additional -D flags to be used when compiling C++ code.])
425AC_ARG_VAR(ADD_CXXFLAGS,[Additional C++ compiler options])
426AC_ARG_VAR(DBG_CXXFLAGS,[Debug C++ compiler options])
427AC_ARG_VAR(OPT_CXXFLAGS,[Optimize C++ compiler options])
428
429coin_has_cxx=yes
430
431save_cxxflags="$CXXFLAGS"
432case $build in
433  *-cygwin* | *-mingw*)
434             comps="g++ cl" ;;
435  *-darwin*) comps="g++ c++ CC" ;;
436          *) comps="xlC aCC CC g++ c++ pgCC icpc gpp cxx cc++ cl FCC KCC RCC" ;;
437esac
438
439# We delete the cached value, since the test might not have been
440# performed with out choise of compilers earlier
441$as_unset ac_cv_prog_CXX || test "${ac_cv_prog_CXX+set}" != set || { ac_cv_prog_CXX=; export ac_cv_prog_CXX; }
442AC_PROG_CXX([$comps])
443CXXFLAGS="$save_cxxflags"
444
445# Check if a project specific CXXFLAGS variable has been set
446if test x$COIN_PRJCT != x; then
447  eval coin_tmp=\${${COIN_PRJCT}_CXXFLAGS+set}
448  if test x$coin_tmp = xset; then
449    eval CXXFLAGS=\${${COIN_PRJCT}_CXXFLAGS}
450  fi
451fi
452
453if test x"$CXXFLAGS" = x; then
454
455# ToDo decide whether we want -DNDEBUG for optimization
456  coin_add_cxxflags=
457  coin_opt_cxxflags=
458  coin_dbg_cxxflags=
459  coin_warn_cxxflags=
460
461  if test "$GXX" = "yes"; then
462    case "$CXX" in
463      icpc* | */icpc*)
464        ;;
465      *)
466# ToDo decide about unroll-loops
467        coin_opt_cxxflags="-O3 -fomit-frame-pointer"
468        coin_add_cxxflags="-pipe"
469        coin_dbg_cxxflags="-g"
470        coin_warn_cxxflags="-pedantic-errors -Wimplicit -Wparentheses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith -Wwrite-strings -Wconversion"
471        if test "$enable_doscompile" = yes; then
472          case $build in
473            *-cygwin*)
474              CXXFLAGS="-mno-cygwin"
475              AC_TRY_LINK([],[int i=0; i++;],
476                          [coin_add_cxxflags="-mno-cygwin $coin_add_cxxflags"])
477              CXXFLAGS=
478              ;;
479          esac
480        fi
481    esac
482  fi
483  if test -z "$coin_opt_cxxflags"; then
484    case $build in
485      *-cygwin* | *-mingw*)
486        case "$CXX" in
487          cl* | */cl*)
488            coin_opt_cxxflags='-O2'
489            coin_add_cxxflags='-nologo -EHsc -GR -MT'
490            coin_dbg_cxxflags='-Yd'
491            ;;
492        esac
493        ;;
494      *-linux-*)
495        case "$CXX" in
496          icpc* | */icpc*)
497            coin_opt_cxxflags="-O3 -ip"
498            coin_add_cxxflags=""
499            coin_dbg_cxxflags="-g"
500            # Check if -i_dynamic is necessary (for new glibc library)
501            CXXFLAGS=
502            AC_TRY_LINK([],[int i=0; i++;],[],
503                        [coin_add_cxxflags="-i_dynamic $coin_add_cxxflags"])
504            ;;
505          pgCC* | */pgCC*)
506            coin_opt_cxxflags="-fast"
507            coin_add_cxxflags="-Kieee -pc 64"
508            coin_dbg_cxxflags="-g"
509            ;;
510        esac
511        ;;
512      *-ibm-*)
513        case "$CXX" in
514          xlC* | */xlC* | mpxlC* | */mpxlC*)
515            coin_opt_cxxflags="-O3 -qarch=auto -qcache=auto -qtune=auto -qmaxmem=-1"
516            coin_add_cxxflags="-bmaxdata:0x80000000 -qrtti=dyna"
517            coin_dbg_cxxflags="-g"
518            ;;
519        esac
520        ;;
521      *-hp-*)
522        case "$CXX" in
523          aCC* | */aCC* )
524            coin_opt_cxxflags="-O"
525            coin_add_cxxflags="-AA"
526            coin_dbg_cxxflags="-g"
527            ;;
528        esac
529        ;;
530      *-sun-*)
531          coin_opt_cxxflags="-O4"
532          coin_dbg_cxxflags="-g"
533        ;;
534    esac
535  fi
536
537  if test "$ac_cv_prog_cxx_g" = yes && test -z "$coin_dbg_cxxflags" ; then
538    coin_dbg_cxxflags="-g"
539  fi
540
541  if test -z "$coin_opt_cxxflags"; then
542    # Try if -O option works if nothing else is set
543    CXXFLAGS=-O
544    AC_TRY_LINK([],[int i=0; i++;],[coin_opt_cxxflags="-O"])
545  fi
546
547  if test x${DBG_CXXFLAGS+set} != xset; then
548    DBG_CXXFLAGS="$coin_dbg_cxxflags $coin_add_cxxflags $coin_warn_cxxflags"
549  fi
550  if test x${OPT_CXXFLAGS+set} != xset; then
551    OPT_CXXFLAGS="$coin_opt_cxxflags $coin_add_cxxflags -DNDEBUG $coin_warn_cxxflags"
552  fi
553
554  DBG_CXXFLAGS="$DBG_CXXFLAGS $ADD_CXXFLAGS $CXXDEFS"
555  OPT_CXXFLAGS="$OPT_CXXFLAGS $ADD_CXXFLAGS $CXXDEFS"
556
557  if test "$coin_debug_compile" = "true"; then
558    CXXFLAGS="$DBG_CXXFLAGS"
559  else
560    CXXFLAGS="$OPT_CXXFLAGS"
561  fi
562else
563  CXXFLAGS="$CXXFLAGS $ADD_CXXFLAGS $CXXDEFS"
564  if test x${DBG_CXXFLAGS+set} != xset; then
565    DBG_CXXFLAGS="$CXXFLAGS"
566  fi
567  if test x${OPT_CXXFLAGS+set} != xset; then
568    OPT_CXXFLAGS="$CXXFLAGS"
569  fi
570fi
571
572# Try if CXXFLAGS works
573save_CXXFLAGS="$CXXFLAGS"
574AC_TRY_LINK([],[int i=0; i++;],[],[CXXFLAGS=])
575if test -z "$CXXFLAGS"; then
576  AC_MSG_WARN([The flags CXXFLAGS="$save_CXXFLAGS" do not work.  I will now just try '-O', but you might want to set CXXFLAGS manually.])
577  CXXFLAGS='-O'
578  AC_TRY_LINK([],[int i=0; i++;],[],[CXXFLAGS=])
579  if test -z "$CXXFLAGS"; then
580    AC_MSG_WARN([This value for CXXFLAGS does not work.  I will continue with empty CXXFLAGS, but you might want to set CXXFLAGS manually.])
581  fi
582fi
583
584AC_MSG_NOTICE([C++ compiler options are: $CXXFLAGS])
585
586AC_ARG_VAR(MPICXX,[C++ MPI Compiler])
587if test x"$MPICXX" = x; then :; else
588  AC_MSG_NOTICE([Will use MPI C++ compiler $MPICXX])
589  CXX="$MPICXX"
590fi
591
592case "$CXX" in
593  cl*)
594    AC_COIN_MINGW_LD_FIX
595    ;;
596esac
597
598AC_LANG_POP(C++)
599]) # AC_COIN_PROG_CXX
600
601
602###########################################################################
603#                             COIN_CXXLIBS                                #
604###########################################################################
605
606# Determine the C++ runtime libraries required for linking a C++ library
607# with a Fortran or C compiler.  The result is available in CXXLIBS.
608
609AC_DEFUN([AC_COIN_CXXLIBS],
610[AC_REQUIRE([AC_PROG_CXX])dnl
611AC_LANG_PUSH(C++)
612AC_ARG_VAR(CXXLIBS,[Libraries necessary for linking C++ code with Fortran compiler])
613if test -z "$CXXLIBS"; then
614  if test "$GXX" = "yes"; then
615    case "$CXX" in
616      icpc* | */icpc*)
617        CXXLIBS=""
618        ;;
619      *)
620        CXXLIBS="-lstdc++ -lm" # -lgcc"
621        ;;
622    esac
623  else
624    case $build in
625     *-mingw32 | *-cygwin-* )
626      case "$CXX" in
627      cl*)
628        CXXLIBS=nothing;;
629      esac;;
630     *-linux-*)
631      case "$CXX" in
632      icpc* | */icpc*)
633        CXXLIBS=""
634             ;;
635      pgCC* | */pgCC*)
636        CXXLIBS="-lstd -lC -lc"
637             ;;
638      esac;;
639    *-ibm-*)
640      CXXLIBS="-lC -lc"
641      ;;
642    *-hp-*)
643      CXXLIBS="-L/opt/aCC/lib -l++ -lstd_v2 -lCsup_v2 -lm -lcl -lc"
644      ;;
645    *-sun-*)
646      CXXLIBS="-lCstd -lCrun"
647    esac
648  fi
649fi
650if test -z "$CXXLIBS"; then
651  AC_MSG_WARN([Could not automatically determine CXXLIBS (C++ link libraries; necessary if main program is in Fortran of C).])
652else
653  AC_MSG_NOTICE([Assuming that CXXLIBS is \"$CXXLIBS\".])
654fi
655if test x"$CXXLIBS" = xnothing; then
656  CXXLIBS=
657fi
658AC_LANG_POP(C++)
659]) # AC_COIN_CXXLIBS
660
661###########################################################################
662#                           COIN_CHECK_HEADER                             #
663###########################################################################
664
665# This macro checks for a header file, but it does so without the
666# standard header.  This avoids warning messages like:
667#
668# configure: WARNING: dlfcn.h: present but cannot be compiled
669# configure: WARNING: dlfcn.h:     check for missing prerequisite headers?
670# configure: WARNING: dlfcn.h: see the Autoconf documentation
671# configure: WARNING: dlfcn.h:     section "Present But Cannot Be Compiled"
672# configure: WARNING: dlfcn.h: proceeding with the preprocessor's result
673# configure: WARNING: dlfcn.h: in the future, the compiler will take precedence
674
675AC_DEFUN([AC_COIN_CHECK_HEADER],
676[if test x"$4" = x; then
677  hdr="#include <$1>"
678else
679  hdr="$4"
680fi
681AC_CHECK_HEADERS([$1],[$2],[$3],[$hdr])
682]) # AC_COIN_CHECK_HEADER
683
684###########################################################################
685#                       COIN_CHECK_CXX_CHEADER                             #
686###########################################################################
687
688# This macro checks for C header files that are used from C++.  For a give
689# stub (e.g., math), it first checks if the C++ library (cmath) is available.
690# If it is, it defines HAVE_CMATH (or whatever the stub is).  If it is not
691# available, it checks for the old C head (math.h) and defines HAVE_MATH_H
692# if that one exists.
693
694AC_DEFUN([AC_COIN_CHECK_CXX_CHEADER],
695[AC_LANG_PUSH(C++)
696AC_COIN_CHECK_HEADER([c$1],[$2],[$3],[$4])
697if test "$ac_cv_header_c$1" != "yes"; then
698  AC_COIN_CHECK_HEADER([$1.h],[$2],[$3],[$4])
699fi
700AC_LANG_POP(C++)
701]) # AC_COIN_CHECK_CXX_CHEADER
702
703###########################################################################
704#                             COIN_PROG_CC                                #
705###########################################################################
706
707# Find the compile command by running AC_PROG_CC (with compiler names
708# for different operating systems) and put it into CC (unless it was
709# given my the user), and find an appropriate value for CFLAGS.  It is
710# possible to provide additional -D flags in the variable CDEFS.
711
712AC_DEFUN([AC_COIN_PROG_CC],
713[AC_REQUIRE([AC_COIN_MINGW_LD_FIX])
714AC_REQUIRE([AC_COIN_ENABLE_DOSCOMPILE])
715AC_LANG_PUSH(C)
716
717# For consistency, we set the C compiler to the same value of the C++
718# compiler, if the C++ is set, but the C compiler isn't (only for CXX=cl)
719if test x"$CXX" != x; then
720  case "$CXX" in
721    cl*)
722      if test x"$CC" = x; then
723        CC="$CXX"
724        AC_MSG_WARN([C++ compiler name provided as $CXX, but CC is unset. Setting CC to $CXX])
725      fi
726      ;;
727  esac
728fi
729
730AC_ARG_VAR(CDEFS,[Additional -D flags to be used when compiling C code.])
731AC_ARG_VAR(ADD_CFLAGS,[Additional C compiler options])
732AC_ARG_VAR(DBG_CFLAGS,[Debug C compiler options])
733AC_ARG_VAR(OPT_CFLAGS,[Optimize C compiler options])
734
735coin_has_cc=yes
736
737save_cflags="$CFLAGS"
738case $build in
739  *-cygwin* | *-mingw*)
740             comps="gcc cl" ;;
741  *-linux-*) comps="xlc gcc cc pgcc icc" ;;
742  *)         comps="xlc_r xlc cc gcc pgcc icc" ;;
743esac
744
745# We delete the cached value, since the test might not have been
746# performed with out choise of compilers earlier
747$as_unset ac_cv_prog_CC || test "${ac_cv_prog_CC+set}" != set || { ac_cv_prog_CC=; export ac_cv_prog_CC; }
748AC_PROG_CC([$comps])
749CFLAGS="$save_cflags"
750
751# Check if a project specific CFLAGS variable has been set
752if test x$COIN_PRJCT != x; then
753  eval coin_tmp=\${${COIN_PRJCT}_CFLAGS+set}
754  if test x$coin_tmp = xset; then
755    eval CFLAGS=\${${COIN_PRJCT}_CFLAGS}
756  fi
757fi
758
759if test x"$CFLAGS" = x; then
760
761  coin_add_cflags=
762  coin_opt_cflags=
763  coin_dbg_cflags=
764  coin_warn_cflags=
765
766  if test "$GCC" = "yes"; then
767    case "$CC" in
768      icc* | */icc*)
769        ;;
770      *)
771        coin_opt_cflags="-O3 -fomit-frame-pointer"
772        coin_add_cflags="-pipe"
773        coin_dbg_cflags="-g"
774        coin_warn_cflags="-pedantic-errors -Wimplicit -Wparentheses -Wsequence-point -Wreturn-type -Wcast-qual -Wall"
775        if test "$enable_doscompile" = yes; then
776          case $build in
777            *-cygwin*)
778              CFLAGS="-mno-cygwin"
779              AC_TRY_LINK([],[int i=0; i++;],
780                          [coin_add_cflags="-mno-cygwin $coin_add_cflags"])
781              CFLAGS=
782            ;;
783          esac
784        fi
785    esac
786  fi
787  if test -z "$coin_opt_cflags"; then
788    case $build in
789      *-cygwin* | *-mingw*)
790        case "$CC" in
791          cl* | */cl*)
792            coin_opt_cflags='-O2'
793            coin_add_cflags='-nologo'
794            coin_dbg_cflags='-Yd'
795            ;;
796        esac
797        ;;
798      *-linux-*)
799        case "$CC" in
800          icc* | */icc*)
801            coin_opt_cflags="-O3 -ip"
802            coin_add_cflags=""
803            coin_dbg_cflags="-g"
804            # Check if -i_dynamic is necessary (for new glibc library)
805            CFLAGS=
806            AC_TRY_LINK([],[int i=0; i++;],[],
807                        [coin_add_cflags="-i_dynamic $coin_add_cflags"])
808            ;;
809          pgcc* | */pgcc*)
810            coin_opt_cflags="-fast"
811            coin_add_cflags="-Kieee -pc 64"
812            coin_dbg_cflags="-g"
813            ;;
814        esac
815        ;;
816      *-ibm-*)
817        case "$CC" in
818          xlc* | */xlc* | mpxlc* | */mpxlc*)
819            coin_opt_cflags="-O3 -qarch=auto -qcache=auto -qtune=auto -qmaxmem=-1"
820            coin_add_cflags="-bmaxdata:0x80000000"
821            coin_dbg_cflags="-g"
822          ;;
823        esac
824        ;;
825      *-hp-*)
826        coin_opt_cflags="-O"
827        coin_add_cflags="-Ae"
828        coin_dbg_cflags="-g"
829        ;;
830      *-sun-*)
831        coin_opt_cflags="-xO4"
832        coin_dbg_cflags="-g"
833        ;;
834      *-sgi-*)
835        coin_opt_cflags="-O -OPT:Olimit=0"
836        coin_dbg_cflags="-g"
837        ;;
838    esac
839  fi
840
841  if test "$ac_cv_prog_cc_g" = yes && test -z "$coin_dbg_cflags" ; then
842    coin_dbg_cflags="-g"
843  fi
844
845  if test -z "$coin_opt_cflags"; then
846    # Try if -O option works if nothing else is set
847    CFLAGS="-O"
848    AC_TRY_LINK([],[int i=0; i++;],[coin_opt_cflags="-O"])
849  fi
850
851  if test x${DBG_CFLAGS+set} != xset; then
852    DBG_CFLAGS="$coin_dbg_cflags $coin_add_cflags $coin_warn_cflags"
853  fi
854  if test x${OPT_CFLAGS+set} != xset; then
855    OPT_CFLAGS="$coin_opt_cflags $coin_add_cflags -DNDEBUG $coin_warn_cflags"
856  fi
857
858  DBG_CFLAGS="$DBG_CFLAGS $ADD_CFLAGS $CDEFS"
859  OPT_CFLAGS="$OPT_CFLAGS $ADD_CFLAGS $CDEFS"
860
861  if test "$coin_debug_compile" = "true"; then
862    CFLAGS="$DBG_CFLAGS"
863  else
864    CFLAGS="$OPT_CFLAGS"
865  fi
866else
867  CFLAGS="$CFLAGS $ADD_CFLAGS $CDEFS"
868  if test x${DBG_CFLAGS+set} != xset; then
869    DBG_CFLAGS="$CFLAGS"
870  fi
871  if test x${OPT_CFLAGS+set} != xset; then
872    OPT_CFLAGS="$CFLAGS"
873  fi
874fi
875
876# Check if user wants to have additional CFLAGS options
877AC_ARG_VAR(ADD_CFLAGS,[Additional C compiler options])
878if test x"$ADD_CFLAGS" != x; then
879  CFLAGS="$CFLAGS $ADD_CFLAGS"
880fi
881
882# Try if CFLAGS works
883save_CFLAGS="$CFLAGS"
884AC_TRY_LINK([],[int i=0; i++;],[],[CFLAGS=])
885if test -z "$CFLAGS"; then
886  AC_MSG_WARN([The value CFLAGS="$save_CFLAGS" do not work.  I will now just try '-O', but you might want to set CFLAGS manually.])
887  CFLAGS='-O'
888  AC_TRY_LINK([],[int i=0; i++;],[],[CFLAGS=])
889  if test -z "$CFLAGS"; then
890    AC_MSG_WARN([This value for CFLAGS does not work.  I will continue with empty CFLAGS, but you might want to set CFLAGS manually.])
891  fi
892fi
893
894AC_MSG_NOTICE([C compiler options are: $CFLAGS])
895
896AC_ARG_VAR(MPICC,[C MPI Compiler])
897if test x"$MPICC" = x; then :; else
898  AC_MSG_NOTICE([Will use MPI C compiler $MPICC])
899  CC="$MPICC"
900fi
901
902# Correct ADDLIBS initialization if we are using the MS compiler
903case "$CC" in
904  cl*)
905    ADDLIBS=
906    AC_COIN_MINGW_LD_FIX
907    ;;
908esac
909
910AC_LANG_POP(C)
911]) # AC_COIN_PROG_CC
912
913###########################################################################
914#                             COIN_PROG_F77                               #
915###########################################################################
916
917# Find the compile command by running AC_PROG_F77 (with compiler names
918# for different operating systems) and put it into F77 (unless it was
919# given my the user), and find an appropriate value for FFLAGS
920
921AC_DEFUN([AC_COIN_PROG_F77],
922[AC_REQUIRE([AC_COIN_MINGW_LD_FIX])
923AC_REQUIRE([AC_COIN_ENABLE_DOSCOMPILE])
924AC_LANG_PUSH([Fortran 77])
925
926AC_ARG_VAR(ADD_FFLAGS,[Additional Fortran compiler options])
927AC_ARG_VAR(DBG_FFLAGS,[Debug Fortran compiler options])
928AC_ARG_VAR(OPT_FFLAGS,[Optimize Fortran compiler options])
929
930coin_has_f77=yes
931
932save_fflags="$FFLAGS"
933case $build in
934  *-cygwin* | *-mingw*)
935             comps="gfortran g77 ifort fl32" ;;
936  *)         comps="xlf fort77 gfortran f77 g77 pgf90 pgf77 ifort ifc frt af77" ;;
937esac
938
939# We delete the cached value, since the test might not have been
940# performed with out choise of compilers earlier
941$as_unset ac_cv_prog_F77 || test "${ac_cv_prog_F77+set}" != set || { ac_cv_prog_F77=; export ac_cv_prog_F77; }
942AC_PROG_F77($comps)
943FFLAGS="$save_fflags"
944
945# Check if a project specific FFLAGS variable has been set
946if test x$COIN_PRJCT != x; then
947  eval coin_tmp=\${${COIN_PRJCT}_FFLAGS+set}
948  if test x$coin_tmp = xset; then
949    eval FFLAGS=\${${COIN_PRJCT}_FFLAGS}
950  fi
951fi
952
953if test x"$FFLAGS" = x; then
954
955  coin_add_fflags=
956  coin_opt_fflags=
957  coin_dbg_fflags=
958  coin_warn_fflags=
959
960  if test "$G77" = "yes"; then
961    coin_opt_fflags="-O3 -fomit-frame-pointer"
962    coin_add_fflags="-pipe"
963    coin_dbg_fflags="-g"
964    if test "$enable_doscompile" = yes; then
965      case $build in
966        *-cygwin*)
967          FFLAGS="-mno-cygwin"
968          AC_TRY_LINK([],[      write(*,*) 'Hello world'],
969                      [coin_add_fflags="-mno-cygwin $coin_add_fflags"])
970          FFLAGS=
971        ;;
972      esac
973    fi
974  else
975    case $build in
976      *-cygwin* | *-mingw*)
977        case $F77 in
978          ifort* | */ifort*)
979            coin_opt_fflags='-O3'
980            coin_add_fflags='-nologo -MT'
981            coin_dbg_fflags='-debug'
982          ;;
983        esac
984        ;;
985      *-linux-*)
986        case $F77 in
987          ifc* | */ifc* | ifort* | */ifort*)
988            coin_opt_fflags="-O3 -ip"
989            coin_add_fflags="-cm -w90 -w95"
990            coin_dbg_fflags="-g -CA -CB -CS"
991            # Check if -i_dynamic is necessary (for new glibc library)
992            FFLAGS=
993            AC_TRY_LINK([],[      write(*,*) 'Hello world'],[],
994                        [coin_add_fflags="-i_dynamic $coin_add_fflags"])
995            ;;
996          pgf77* | */pgf77* | pgf90* | */pgf90*)
997            coin_opt_fflags="-fast"
998            coin_add_fflags="-Kieee -pc 64"
999            coin_dbg_fflags="-g"
1000          ;;
1001        esac
1002        ;;
1003      *-ibm-*)
1004        case "$F77" in
1005          xlf* | */xlf* | mpxlf* | */mpxlf* )
1006            coin_opt_fflags="-O3 -qarch=auto -qcache=auto -qtune=auto -qmaxmem=-1"
1007            coin_add_fflags="-bmaxdata:0x80000000"
1008            coin_dbg_fflags="-g -C"
1009            ;;
1010        esac
1011        ;;
1012      *-hp-*)
1013        coin_opt_fflags="+O3"
1014        coin_add_fflags="+U77"
1015        coin_dbg_fflags="-C -g"
1016        ;;
1017      *-sun-*)
1018        coin_opt_fflags="-O4"
1019        coin_dbg_fflags="-g"
1020        ;;
1021      *-sgi-*)
1022        coin_opt_fflags="-O5 -OPT:Olimit=0"
1023        coin_dbg_fflags="-g"
1024        ;;
1025    esac
1026  fi
1027
1028  if test "$ac_cv_prog_f77_g" = yes && test -z "$coin_dbg_fflags" ; then
1029    coin_dbg_fflags="-g"
1030  fi
1031
1032  if test -z "$coin_opt_fflags"; then
1033    # Try if -O option works if nothing else is set
1034    FFLAGS=-O
1035    AC_TRY_LINK([],[      integer i], [coin_opt_fflags="-O"])
1036  fi
1037
1038  if test x${DBG_FFLAGS+set} != xset; then
1039    DBG_FFLAGS="$coin_dbg_fflags $coin_add_fflags $coin_warn_fflags"
1040  fi
1041  if test x${OPT_FFLAGS+set} != xset; then
1042    OPT_FFLAGS="$coin_opt_fflags $coin_add_fflags $coin_warn_fflags"
1043  fi
1044
1045  DBG_FFLAGS="$DBG_FFLAGS $ADD_FFLAGS"
1046  OPT_FFLAGS="$OPT_FFLAGS $ADD_FFLAGS"
1047
1048  if test "$coin_debug_compile" = "true"; then
1049    FFLAGS="$DBG_FFLAGS"
1050  else
1051    FFLAGS="$OPT_FFLAGS"
1052  fi
1053else
1054  FFLAGS="$FFLAGS $ADD_FFLAGS"
1055  if test x${DBG_FFLAGS+set} != xset; then
1056    DBG_FFLAGS="$FFLAGS"
1057  fi
1058  if test x${OPT_FFLAGS+set} != xset; then
1059    OPT_FFLAGS="$FFLAGS"
1060  fi
1061fi
1062
1063# Try if FFLAGS works
1064AC_TRY_LINK([],[      integer i],[],[FFLAGS=])
1065if test -z "$FFLAGS"; then
1066  AC_MSG_WARN([The flags FFLAGS="$FFLAGS" do not work.  I will now just try '-O', but you might want to set FFLAGS manually.])
1067  FFLAGS='-O'
1068  AC_TRY_LINK([],[      integer i],[],[FFLAGS=])
1069  if test -z "$FFLAGS"; then
1070    AC_MSG_WARN([This value for FFLAGS does not work.  I will continue with empty FFLAGS, but you might want to set FFLAGS manually.])
1071  fi
1072fi
1073
1074AC_MSG_NOTICE([Fortran compiler options are: $FFLAGS])
1075
1076AC_ARG_VAR(MPIF77,[Fortran MPI Compiler])
1077if test x"$MPIF77" = x; then :; else
1078  AC_MSG_NOTICE([Will use MPI Fortran compiler $MPIF77])
1079  F77="$MPIF77"
1080fi
1081
1082case "$F77" in
1083  ifort*)
1084    AC_COIN_MINGW_LD_FIX
1085    ;;
1086esac
1087
1088AC_LANG_POP([Fortran 77])
1089]) # AC_COIN_PROG_F77
1090
1091###########################################################################
1092#                           COIN_F77_WRAPPERS                             #
1093###########################################################################
1094
1095# Calls autoconfs AC_F77_WRAPPERS and does additional corrections to FLIBS
1096
1097AC_DEFUN([AC_COIN_F77_WRAPPERS],
1098[AC_BEFORE([AC_COIN_PROG_F77],[$0])dnl
1099AC_BEFORE([AC_PROG_F77],[$0])dnl
1100
1101AC_LANG_PUSH([Fortran 77])
1102
1103AC_F77_WRAPPERS
1104
1105# This is to correct a missing exclusion in autoconf 2.59
1106if test x"$FLIBS" != x; then
1107  my_flibs=
1108  for flag in $FLIBS; do
1109    case flag in
1110      -lcrt*.o) ;;
1111             *) my_flibs="$my_flibs $flag" ;;
1112    esac
1113  done
1114  FLIBS="$my_flibs"
1115fi
1116
1117case $build in
1118# The following is a fix to define FLIBS for ifort on Windows
1119   *-cygwin* | *-mingw*)
1120     case "$F77" in
1121       ifort* | */ifort*)
1122           FLIBS="-link libifcorert.lib $LIBS /NODEFAULTLIB:libc.lib";;
1123     esac;;
1124   *-hp-*)
1125       FLIBS="$FLIBS -lm";;
1126   *-ibm-*)
1127       FLIBS=`echo $FLIBS | sed 's/-lc)/-lc/g'` ;;
1128   *-linux-*)
1129     case "$F77" in
1130       pgf77* | */pgf77* | pgf90* | */pgf90*)
1131# ask linker to go through the archives multiple times
1132# (the Fortran compiler seems to do that automatically...
1133         FLIBS="-Wl,--start-group $FLIBS -Wl,--end-group" ;;
1134     esac
1135esac
1136
1137]) # AC_COIN_F77_WRAPPERS
1138
1139
1140###########################################################################
1141#                          COIN_INIT_AUTOMAKE                             #
1142###########################################################################
1143
1144# This macro calls the regular INIT_AUTOMAKE and MAINTAINER_MODE
1145# macros, and defines additional variables and makefile conditionals,
1146# that are used in the maintainer parts of the makfile.  It also
1147# checks if the correct versions of the autotools are used.
1148#
1149# This also defines the AC_SUBST variables:
1150# abs_source_dir     absolute path to source code for this package
1151# abs_bin_dir        absolute path to the directory where binaries are
1152#                    going to be installed (prefix/bin)
1153# abs_lib_dir        absolute path to the directory where libraries are
1154#                    going to be installed (prefix/lib)
1155# abs_include_dir    absolute path to the directory where the header files
1156#                    are installed (prefix/include)
1157
1158AC_DEFUN([AC_COIN_INIT_AUTOMAKE],
1159[AC_REQUIRE([AC_PROG_EGREP])
1160# Stuff for automake
1161AM_INIT_AUTOMAKE
1162AM_MAINTAINER_MODE
1163
1164coin_have_externals=no
1165if test "$enable_maintainer_mode" = yes; then
1166
1167  # If maintainer mode is chosen, we make sure that the correct versions
1168  # of the tools are used, and that we know where libtoo.m4 is (to
1169  # recreate acinclude.m4)
1170
1171  AC_SUBST(LIBTOOLM4)
1172  LIBTOOLM4=
1173
1174  # Check if we have autoconf
1175  AC_CHECK_PROG([have_autoconf],[autoconf],[yes],[no])
1176  if test $have_autoconf = no; then
1177    AC_MSG_ERROR([You specified you want to use maintainer mode, but I cannot find autoconf in your path.])
1178  fi
1179
1180  # Check whether autoconf is the correct version
1181  correct_version='2.59'
1182  grep_version=`echo  $correct_version | sed -e 's/\\./\\\\\\./g'`
1183  AC_MSG_CHECKING([whether we are using the correct version ($correct_version) of autoconf])
1184  autoconf --version > confauto.out 2>&1
1185  if $EGREP $grep_version confauto.out >/dev/null 2>&1; then
1186    AC_MSG_RESULT([yes])
1187  else
1188    rm -f confauto.out
1189    AC_MSG_RESULT([no])
1190    AC_MSG_ERROR([You don't have the correct version of autoconf as the first one in your path.])
1191  fi
1192  rm -f confauto.out
1193
1194  # Check if the executable autoconf is picked up from the correct location
1195  AC_MSG_CHECKING([whether autoconf is coming from the correct location])
1196  autoconf_dir=`which autoconf | sed -e 's=/autoconf=='`
1197  autoconf_dir=`cd $autoconf_dir; pwd`
1198  if test x$AUTOTOOLS_DIR = x; then
1199    want_dir=$HOME/bin
1200  else
1201    want_dir=$AUTOTOOLS_DIR/bin
1202  fi
1203  if test $autoconf_dir = `cd $want_dir; pwd`; then
1204    AC_MSG_RESULT([yes])
1205  else
1206    rm -f confauto.out
1207    AC_MSG_RESULT([no])
1208    AC_MSG_ERROR([The autoconf executable should be picked up from \$HOME/bin or \$AUTOTOOLS_DIR/bin.])
1209  fi
1210
1211  # Check if we have automake
1212  AC_CHECK_PROG([have_automake],[automake],[yes],[no])
1213  if test $have_automake = no; then
1214    AC_MSG_ERROR([You specified you want to use maintainer mode, but I cannot find automake in your path.])
1215  fi
1216 
1217  # Check whether automake is the correct version
1218  correct_version='1.9.6'
1219  grep_version=`echo  $correct_version | sed -e 's/\\./\\\\\\./g'`
1220  AC_MSG_CHECKING([whether we are using the correct version ($correct_version) of automake])
1221  automake --version > confauto.out 2>&1
1222  if $EGREP $grep_version confauto.out >/dev/null 2>&1; then
1223    AC_MSG_RESULT([yes])
1224  else
1225    rm -f confauto.out
1226    AC_MSG_RESULT([no])
1227    AC_MSG_ERROR([You don't have the correct version of automake as the first one in your path.])
1228  fi
1229  rm -f confauto.out
1230
1231  # Check if the executable automake is picked up from the correct location
1232  AC_MSG_CHECKING([whether automake is coming from the correct location])
1233  automake_dir=`which automake | sed -e 's=/automake=='`
1234  automake_dir=`cd $automake_dir; pwd`
1235  if test x$AUTOTOOLS_DIR = x; then
1236    want_dir=$HOME/bin
1237  else
1238    want_dir=$AUTOTOOLS_DIR/bin
1239  fi
1240  if test $automake_dir = `cd $want_dir; pwd`; then
1241    AC_MSG_RESULT([yes])
1242  else
1243    rm -f confauto.out
1244    AC_MSG_RESULT([no])
1245    AC_MSG_ERROR([The automake executable should be picked up from \$HOME/bin or \$AUTOTOOLS_DIR/bin.])
1246  fi
1247
1248  # Check if we can find the libtool file
1249  if test x$AUTOTOOLS_DIR = x; then
1250    want_dir=$HOME/share
1251  else
1252    want_dir=$AUTOTOOLS_DIR/share
1253  fi
1254  AC_CHECK_FILE([$want_dir/aclocal/libtool.m4],
1255                [LIBTOOLM4="$want_dir/aclocal/libtool.m4"],
1256                [AC_MSG_ERROR([I cannot find the libtool.m4 file.])])
1257
1258  # Check if this is the correct version of libtool (with escaped dots)
1259  correct_version='1.5.22'
1260  grep_version=`echo  $correct_version | sed -e 's/\\./\\\\\\./g'`
1261  AC_CHECK_FILE([$want_dir/libtool/ltmain.sh],
1262                [have_ltmain=yes],
1263                [have_ltmain=no])
1264  AC_MSG_CHECKING([whether we are using the correct version ($correct_version) of libtool.])
1265  if test $have_ltmain = yes; then
1266    if $EGREP $grep_version $want_dir/libtool/ltmain.sh >/dev/null 2>&1; then
1267      AC_MSG_RESULT([yes])
1268    else
1269      AC_MSG_RESULT([no])
1270      AC_MSG_ERROR([You don't have the correct version of libtool.])
1271    fi
1272  else
1273    AC_MSG_RESULT([no])
1274    AC_MSG_ERROR([I cannot find the ltmain.sh file.])
1275  fi 
1276
1277  # Check if we have an Externals file
1278  if test -r $srcdir/Externals; then
1279    coin_have_externals=yes
1280  fi
1281  # Check if subversion is installed and understands https
1282  AC_CHECK_PROG([have_svn],[svn],[yes],[no])
1283  if test x$have_svn = xyes; then
1284    AC_MSG_CHECKING([svn understands https])
1285    svn --version > confauto.out 2>&1
1286    if $EGREP https confauto.out >/dev/null 2>&1; then
1287      AC_MSG_RESULT(yes)
1288    else
1289      AC_MSG_RESULT(no)
1290      have_svn=no
1291    fi
1292    rm -f confauto.out
1293  fi
1294
1295  # Find the location of the BuildTools directory
1296  BUILDTOOLSDIR=
1297  if test -r $srcdir/BuildTools/coin.m4; then
1298    BUILDTOOLSDIR=$srcdir/BuildTools
1299  else
1300    if test -r $srcdir/../BuildTools/coin.m4; then
1301      BUILDTOOLSDIR=$srcdir/../BuildTools
1302    else
1303      if test -r $srcdir/../../BuildTools/coin.m4; then
1304        BUILDTOOLSDIR=$srcdir/../../BuildTools
1305      else
1306        AC_MSG_ERROR(Cannot find the BuildTools directory)
1307      fi
1308    fi
1309  fi
1310  AC_SUBST(BUILDTOOLSDIR)
1311
1312  # The following variable is set to the name of the directory where
1313  # the autotool scripts are located
1314  AC_SUBST(AUX_DIR)
1315  AUX_DIR=$ac_aux_dir
1316fi
1317
1318# helpful variable for the base directory of this package
1319abs_source_dir=`cd $srcdir; pwd`
1320AC_SUBST(abs_source_dir)
1321
1322# Stuff for example Makefiles
1323if test x$prefix = xNONE; then
1324  full_prefix=$ac_default_prefix
1325else
1326  full_prefix=$prefix
1327fi
1328full_prefix=`cd $full_prefix ; pwd`
1329AC_SUBST(abs_lib_dir)
1330abs_lib_dir=$full_prefix/lib
1331AC_SUBST(abs_include_dir)
1332abs_include_dir=$full_prefix/include
1333AC_SUBST(abs_bin_dir)
1334abs_bin_dir=$full_prefix/bin
1335
1336AM_CONDITIONAL(HAVE_EXTERNALS,
1337               test $coin_have_externals = yes && test x$have_svn = xyes)
1338]) # AC_COIN_INIT_AUTOMAKE
1339
1340###########################################################################
1341#                         COIN_INIT_AUTO_TOOLS                            #
1342###########################################################################
1343
1344# Initialize the auto tools automake and libtool, with all
1345# modifications we want for COIN packages.
1346#
1347# RPATH_FLAGS        link flags for hardcoding path to shared objects
1348
1349# This is a trick to have this code before AC_COIN_PROG_LIBTOOL
1350AC_DEFUN([AC_COIN_DISABLE_STATIC],
1351[
1352# On Cygwin, building DLLs doesn't work
1353case $build in
1354  *-cygwin*)
1355    coin_disable_shared=yes
1356    platform=Cygwin
1357  ;;
1358  *-mingw*)
1359    coin_disable_shared=yes
1360    platform="Msys"
1361#    case "$CXX" in
1362#      cl*)
1363#        coin_disable_shared=yes
1364#        platform="Msys with cl"
1365#    ;;
1366#    esac
1367  ;;
1368esac
1369if test x"$coin_disable_shared" = xyes; then
1370  if test x"$enable_shared" = xyes; then
1371    AC_MSG_WARN([On $platform, shared objects are not supported. I'm disabling your choice.])
1372  fi
1373  enable_shared=no
1374fi
1375# By default, we only want the shared objects to be compiled
1376AC_DISABLE_STATIC
1377])
1378
1379AC_DEFUN([AC_COIN_INIT_AUTO_TOOLS],
1380[AC_BEFORE([AC_COIN_PROG_CXX],[$0])
1381AC_BEFORE([AC_COIN_PROG_CC],[$0])
1382AC_BEFORE([AC_COIN_PROG_F77],[$0])
1383AC_REQUIRE([AC_COIN_DISABLE_STATIC])
1384
1385# Initialize automake
1386AC_COIN_INIT_AUTOMAKE
1387
1388# Stuff for libtool
1389AC_COIN_PROG_LIBTOOL
1390
1391# set RPATH_FLAGS to the compiler link flags required to hardcode location
1392# of the shared objects
1393AC_COIN_RPATH_FLAGS($abs_lib_dir)
1394]) # AC_COIN_INIT_AUTO_TOOLS
1395
1396###########################################################################
1397#                           COIN_PROG_LIBTOOL                             #
1398###########################################################################
1399
1400# Setup the libtool stuff together with any modifications to make it
1401# work on additional platforms
1402
1403AC_DEFUN([AC_COIN_PROG_LIBTOOL],
1404[AC_REQUIRE([AC_COIN_DLFCN_H])
1405
1406# We check for this header here in a non-standard way to avoid warning
1407# messages
1408AC_PROG_LIBTOOL
1409
1410# Fix bugs in libtool script for Windows native compilation:
1411# - cygpath is not correctly quoted in fix_srcfile_path
1412# - paths generated for .lib files is not run through cygpath -w
1413
1414
1415# - lib includes subdirectory information; we want to replace
1416#
1417# old_archive_cmds="lib /OUT:\$oldlib\$oldobjs\$old_deplibs"
1418#
1419# by
1420#
1421# old_archive_cmds="echo \$oldlib | grep .libs >/dev/null; if test \$? = 0; then cd .libs; lib /OUT:\`echo \$oldlib\$oldobjs\$old_deplibs | sed -e s@\.libs/@@g\`; cd .. ; else lib /OUT:\$oldlib\$oldobjs\$old_deplibs ; fi"
1422#
1423#          -e 's%old_archive_cmds="lib /OUT:\\\$oldlib\\\$oldobjs\\\$old_deplibs"%old_archive_cmds="echo \\\$oldlib \| grep .libs >/dev/null; if test \\\$? = 0; then cd .libs; lib /OUT:\\\`echo \\\$oldlib\\\$oldobjs\\\$old_deplibs \| sed -e s@\\.libs/@@g\\\`; cd .. ; else lib /OUT:\\\$oldlib\\\$oldobjs\\\$old_deplibs; fi"%' \
1424
1425# The following was a hack for chaniing @BACKSLASH to \
1426#          -e 'sYcompile_command=`\$echo "X\$compile_command" | \$Xsed -e '"'"'s%@OUTPUT@%'"'"'"\$output"'"'"'%g'"'"'`Ycompile_command=`\$echo "X\$compile_command" | \$Xsed -e '"'"'s%@OUTPUT@%'"'"'"\$output"'"'"'%g'"'"' | \$Xsed -e '"'"'s%@BACKSLASH@%\\\\\\\\\\\\\\\\%g'"'"'`Y' \
1427
1428# Correct cygpath for minGW (ToDo!)
1429case $build in
1430  *-mingw*)
1431    CYGPATH_W=echo
1432    ;;
1433esac
1434
1435case $build in
1436  *-cygwin* | *-mingw*)
1437  case "$CXX" in
1438    cl* | */cl*)
1439      AC_MSG_NOTICE(Applying patches to libtool for cl compiler)
1440      sed -e 's|fix_srcfile_path=\"`cygpath -w \"\$srcfile\"`\"|fix_srcfile_path=\"\\\`'"$CYGPATH_W"' \\\"\\$srcfile\\\"\\\`\"|' \
1441          -e 's|fix_srcfile_path=\"\"|fix_srcfile_path=\"\\\`'"$CYGPATH_W"' \\\"\\$srcfile\\\"\\\`\"|' \
1442          -e 's%compile_deplibs=\"\$dir/\$old_library \$compile_deplibs\"%compile_deplibs="'\`"$CYGPATH_W"' \$dir/\$old_library | sed -e '"'"'sY\\\\\\\\Y/Yg'"'"\`' \$compile_deplibs\"'% \
1443          -e 's%compile_deplibs=\"\$dir/\$linklib \$compile_deplibs\"%compile_deplibs="'\`"$CYGPATH_W"' \$dir/\$linklib | sed -e '"'"'sY\\\\\\\\Y/Yg'"'"\`' \$compile_deplibs\"'% \
1444          -e 's%lib /OUT:%lib -OUT:%' \
1445          -e "s%cygpath -w%$CYGPATH_W%" \
1446          -e 's%$AR x \\$f_ex_an_ar_oldlib%bla=\\`lib -nologo -list \\$f_ex_an_ar_oldlib | xargs echo\\`; echo \\$bla; for i in \\$bla; do lib -nologo -extract:\\$i \\$f_ex_an_ar_oldlib; done%' \
1447          -e 's/$AR t/lib -nologo -list/' \
1448          -e 's%f_ex_an_ar_oldlib="\($?*1*\)"%f_ex_an_ar_oldlib='\`"$CYGPATH_W"' \1`%' \
1449          -e  's%^archive_cmds=.*%archive_cmds="\\$CC -o \\$lib \\$libobjs \\$compiler_flags \\\\\\`echo \\\\\\"\\$deplibs\\\\\\" | \\$SED -e '"\'"'s/ -lc\\$//'"\'"'\\\\\\` -link -dll~linknames="%' \
1450      libtool > conftest.bla
1451
1452      mv conftest.bla libtool
1453      chmod 755 libtool
1454      ;;
1455    *)
1456      AC_MSG_NOTICE(Applying patches to libtool for GNU compiler)
1457      sed -e 's|fix_srcfile_path=\"`cygpath -w \"\$srcfile\"`\"|fix_srcfile_path=\"\\\`'"$CYGPATH_W"' \\\"\\$srcfile\\\"\\\`\"|' \
1458          -e 's|"lib /OUT:\\$oldlib\\$oldobjs\\$old_deplibs"|"\\$AR \\$AR_FLAGS \\$oldlib\\$oldobjs\\$old_deplibs~\\$RANLIB \\$oldlib"|' \
1459          -e 's|libext="lib"|libext="a"|' \
1460      libtool > conftest.bla
1461
1462      mv conftest.bla libtool
1463      chmod 755 libtool
1464      ;;
1465  esac
1466esac
1467
1468# ToDo
1469# For now, don't use the -no-undefined flag, since the Makefiles are
1470# not yet set up that way.  But we need to fix this, when we want
1471# to comile DLLs under Windows.
1472LT_LDFLAGS=
1473AC_SUBST(LT_LDFLAGS)
1474]) # AC_COIN_PROG_LIBTOOL
1475
1476# This is a trick to force the check for the dlfcn header to be done before
1477# the checks for libtool
1478AC_DEFUN([AC_COIN_DLFCN_H],
1479[AC_LANG_PUSH(C)
1480AC_COIN_CHECK_HEADER([dlfcn.h])
1481AC_LANG_POP(C)
1482]) # AC_COIN_DLFCN_H
1483
1484###########################################################################
1485#                            COIN_RPATH_FLAGS                             #
1486###########################################################################
1487
1488# This macro, in case shared objects are used, defines a variable
1489# RPATH_FLAGS that can be used by the linker to hardwire the library
1490# search path for the given directories.  This is useful for example
1491# Makefiles
1492
1493AC_DEFUN([AC_COIN_RPATH_FLAGS],
1494[RPATH_FLAGS=
1495
1496if test $enable_shared = yes; then
1497  case $build in
1498    *-linux-*)
1499      if test "$GXX" = "yes"; then
1500        RPATH_FLAGS=
1501        for dir in $1; do
1502          RPATH_FLAGS="$RPATH_FLAGS -Wl,--rpath -Wl,$dir"
1503        done
1504      fi ;;
1505    *-darwin*)
1506        RPATH_FLAGS=nothing ;;
1507    *-ibm-*)
1508      case "$CXX" in
1509      xlC* | */xlC* | mpxlC* | */mpxlC*)
1510        RPATH_FLAGS=nothing ;;
1511      esac ;;
1512    *-hp-*)
1513        RPATH_FLAGS=nothing ;;
1514    *-mingw32)
1515        RPATH_FLAGS=nothing ;;
1516    *-sun-*)
1517        RPATH_FLAGS=
1518        for dir in $1; do
1519          RPATH_FLAGS="$RPATH_FLAGS -R$dir"
1520        done
1521  esac
1522
1523  if test "$RPATH_FLAGS" = ""; then
1524    AC_MSG_WARN([Could not automatically determine how to tell the linker about automatic inclusion of the path for shared libraries.  The test examples might not work if you link against shared objects.  You will need to set the LD_LIBRARY_PATH, DYLP_LIBRARY_PATH, or LIBDIR variable manually.])
1525  fi
1526  if test "$RPATH_FLAGS" = "nothing"; then
1527    RPATH_FLAGS=
1528  fi
1529fi
1530
1531AC_SUBST(RPATH_FLAGS)
1532]) # AC_COIN_RPATH_FLAGS
1533
1534###########################################################################
1535#                              COIN_FINALIZE                              #
1536###########################################################################
1537
1538# This macro should be called at the very end of the configure.ac file.
1539# It creates the output files (by using AC_OUTPUT), and might do some other
1540# things (such as generating links to data files in a VPATH configuration).
1541# It also prints the "success" message.
1542
1543AC_DEFUN([AC_COIN_FINALIZE],
1544[
1545FADDLIBS="$ADDLIBS"
1546if test x"$coin_need_flibs" = xyes; then
1547  ADDLIBS="$ADDLIBS $FLIBS"
1548fi
1549
1550# library extension
1551AC_SUBST(LIBEXT)
1552case "$CC" in
1553  cl*) LIBEXT=lib ;;
1554    *) LIBEXT=a ;;
1555esac
1556
1557# Define VPATH_DISTCLEANFILES to be everything that needs to be
1558# cleaned for distclean in a vpath configuration
1559AC_SUBST(VPATH_DISTCLEANFILES)
1560VPATH_DISTCLEANFILES="$coin_vpath_link_files"
1561
1562AC_OUTPUT
1563
1564if test x"$coin_vpath_link_files" = x; then : ; else
1565  AC_MSG_NOTICE(Creating VPATH links for data files)
1566  for file in $coin_vpath_link_files; do
1567    rm -f $file
1568    $LN_S $abs_source_dir/$file $file
1569  done
1570fi
1571
1572if test x$coin_projectdir = xyes; then
1573  AC_MSG_NOTICE([Configuration of $PACKAGE_NAME successful])
1574else
1575  AC_MSG_NOTICE([Main configuration of $PACKAGE_NAME successful])
1576fi
1577]) #AC_COIN_FINALIZE
1578
1579###########################################################################
1580#                             COIN_VPATH_LINK                             #
1581###########################################################################
1582
1583# This macro makes sure that a symbolic link is created to a file in
1584# the source code directory tree if we are in a VPATH compilation, and
1585# if this package is the main package to be installed
1586
1587AC_DEFUN([AC_COIN_VPATH_LINK],
1588[AC_REQUIRE([AC_COIN_CHECK_VPATH])
1589if test $coin_vpath_config = yes; then
1590  coin_vpath_link_files="$coin_vpath_link_files $1"
1591fi
1592]) #AC_COIN_VPATH_LINK
1593
1594###########################################################################
1595#                       COIN_ENABLE_GNU_PACKAGES                          #
1596###########################################################################
1597
1598# This macro defined the --enable-gnu-packages flag.  This can be used
1599# to check if a user wants to compile GNU packges (such as readline or
1600# zlib) into the executable.  By default, GNU packages are disabled.
1601# This also defines the automake conditional COIN_ENABLE_GNU_PACKAGES
1602
1603AC_DEFUN([AC_COIN_ENABLE_GNU_PACKAGES],
1604[AC_ARG_ENABLE([gnu-packages],
1605               [AC_HELP_STRING([--enable-gnu-packages],
1606                               [compile with GNU packages (disabled by default)])],
1607               [coin_enable_gnu=$enableval],
1608               [coin_enable_gnu=no])
1609]) # AC_COIN_ENABLE_GNU_PACKAGES
1610
1611###########################################################################
1612#                           COIN_CHECK_GNU_ZLIB                           #
1613###########################################################################
1614
1615# This macro checks for the libz library.
1616
1617AC_DEFUN([AC_COIN_CHECK_GNU_ZLIB],
1618[AC_REQUIRE([AC_COIN_ENABLE_GNU_PACKAGES])
1619AC_BEFORE([AC_COIN_PROG_CXX],[$0])
1620AC_BEFORE([AC_COIN_PROG_CC],[$0])
1621AC_BEFORE([AC_COIN_PROG_F77],[$0])
1622AC_BEFORE([$0],[AC_COIN_FINISH])
1623
1624coin_has_zlib=no
1625if test $coin_enable_gnu = yes; then
1626  AC_COIN_CHECK_HEADER([zlib.h],[coin_has_zlib=yes])
1627
1628  if test $coin_has_zlib = yes; then
1629    AC_CHECK_LIB([z],[gzopen],
1630                 [ADDLIBS="-lz $ADDLIBS"],
1631                 [coin_has_zlib=no])
1632  fi
1633
1634  if test $coin_has_zlib = yes; then
1635    AC_DEFINE([COIN_HAS_ZLIB],[1],[Define to 1 if zlib is available])
1636  fi
1637fi
1638
1639AM_CONDITIONAL(COIN_HAS_ZLIB,test x$coin_has_zlib = xyes)
1640]) # AC_COIN_CHECK_GNU_ZLIB
1641
1642
1643###########################################################################
1644#                          COIN_CHECK_GNU_BZLIB                           #
1645###########################################################################
1646
1647# This macro checks for the libbz2 library.
1648
1649AC_DEFUN([AC_COIN_CHECK_GNU_BZLIB],
1650[AC_REQUIRE([AC_COIN_ENABLE_GNU_PACKAGES])
1651AC_BEFORE([AC_COIN_PROG_CXX],[$0])
1652AC_BEFORE([AC_COIN_PROG_CC],[$0])
1653AC_BEFORE([AC_COIN_PROG_F77],[$0])
1654AC_BEFORE([$0],[AC_COIN_FINISH])
1655
1656coin_has_bzlib=no
1657if test $coin_enable_gnu = yes; then
1658  AC_COIN_CHECK_HEADER([bzlib.h],[coin_has_bzlib=yes])
1659
1660  if test $coin_has_bzlib = yes; then
1661    AC_CHECK_LIB([bz2],[BZ2_bzReadOpen],
1662                 [ADDLIBS="-lbz2 $ADDLIBS"],
1663                 [coin_has_bzlib=no])
1664  fi
1665
1666  if test $coin_has_bzlib = yes; then
1667    AC_DEFINE([COIN_HAS_BZLIB],[1],[Define to 1 if bzlib is available])
1668  fi
1669fi
1670]) # AC_COIN_CHECK_GNU_BZLIB
1671
1672
1673###########################################################################
1674#                         COIN_CHECK_GNU_READLINE                         #
1675###########################################################################
1676
1677# This macro checks for GNU's readline.  It verifies that the header
1678# readline/readline.h is available, and that the -lreadline library
1679# contains "readline".  It is assumed that #include <stdio.h> is included
1680# in the source file before the #include<readline/readline.h>
1681
1682AC_DEFUN([AC_COIN_CHECK_GNU_READLINE],
1683[AC_REQUIRE([AC_COIN_ENABLE_GNU_PACKAGES])
1684AC_BEFORE([AC_COIN_PROG_CXX],[$0])
1685AC_BEFORE([AC_COIN_PROG_CC],[$0])
1686AC_BEFORE([AC_COIN_PROG_F77],[$0])
1687AC_BEFORE([$0],[AC_COIN_FINISH])
1688
1689coin_has_readline=no
1690if test $coin_enable_gnu = yes; then
1691  AC_COIN_CHECK_HEADER([readline/readline.h],
1692                       [coin_has_readline=yes],[],
1693                       [#include <stdio.h>])
1694
1695  coin_save_LIBS="$LIBS"
1696  LIBS=
1697  # First we check if tputs and friends are available
1698  if test $coin_has_readline = yes; then
1699    AC_SEARCH_LIBS([tputs],[ncurses termcap curses],[],
1700                   [coin_has_readline=no])
1701  fi
1702
1703  # Now we check for readline
1704  if test $coin_has_readline = yes; then
1705    AC_CHECK_LIB([readline],[readline],
1706                 [ADDLIBS="-lreadline $LIBS $ADDLIBS"],
1707                 [coin_has_readline=no])
1708  fi
1709
1710  if test $coin_has_readline = yes; then
1711    AC_DEFINE([COIN_HAS_READLINE],[1],[Define to 1 if readline is available])
1712  fi
1713
1714  LIBS="$coin_save_LIBS"
1715fi
1716]) # AC_COIN_CHECK_GNU_READLINE
1717
1718###########################################################################
1719#                             COIN_DATA_PATH                              #
1720###########################################################################
1721
1722# This macro defines a preprocessor macro with the absolute path to a
1723# subdirectory of Data.  The argument of this macro is the name of the
1724# subdirectory (in correct case), and the name of the macro is
1725# COIN_DATA_DIR_PATH, where dir is replaced by the capitalized name of
1726# the directory.  The path ends with a separator ("/" for linux and
1727# '\\' for Windows).  The default value for this path can be
1728# overwritten with the input variable with the same name
1729# (COIN_DATA_DIR_PATH).  At this point we chech only for the
1730# $srcdir/../Data subdirectory.
1731
1732AC_DEFUN([AC_COIN_DATA_PATH],
1733[AC_MSG_CHECKING([absolute path to data directory $1])
1734
1735AC_ARG_VAR(m4_toupper(COIN_DATA_$1_PATH),[Set to absolute path to Data/$1 subdirectory])
1736
1737if test x"$m4_toupper(COIN_DATA_$1_PATH)" = x; then
1738  m4_toupper(COIN_DATA_$1_PATH)=`cd $srcdir/../Data/$1; pwd`
1739fi
1740
1741# Under Cygwin, use Windows path.  Add separator
1742case $build in
1743  *-cygwin*)
1744    m4_toupper(COIN_DATA_$1_PATH)=`cygwin -w $m4_toupper(COIN_DATA_$1_PATH)`\\
1745    ;;
1746  *)
1747    m4_toupper(COIN_DATA_$1_PATH)="$m4_toupper(COIN_DATA_$1_PATH)/"
1748    ;;
1749esac
1750
1751if test -r $m4_toupper(COIN_DATA_$1_PATH); then
1752  AC_DEFINE_UNQUOTED(m4_toupper(COIN_DATA_$1_PATH),["$m4_toupper(COIN_DATA_$1_PATH)"],
1753            [Define to absolute path for Data subdirectory $1])
1754  AC_MSG_RESULT($m4_toupper(COIN_DATA_$1_PATH))
1755else
1756  AC_MSG_ERROR(Directory $m4_toupper(COIN_DATA_$1_PATH) does not exist)
1757fi
1758]) # AC_COIN_HAS_DATA
1759
1760###########################################################################
1761#                          COIN_EXAMPLE_FILES                             #
1762###########################################################################
1763
1764# This macro determines the names of the example files (using the
1765# argument in an "ls" command) and sets up the variables EXAMPLE_FILES
1766# and EXAMPLE_CLEAN_FILES.  If this is a VPATH configuration, it also
1767# creates soft links to the example files.
1768
1769AC_DEFUN([AC_COIN_EXAMPLE_FILES],
1770[AC_REQUIRE([AC_COIN_CHECK_GNU_ZLIB])
1771AC_REQUIRE([AC_COIN_CHECK_VPATH])
1772files=`cd $srcdir; ls $1`
1773# We need to do the following loop to make sure that are no newlines
1774# in the variable
1775for file in $files; do
1776  EXAMPLE_FILES="$EXAMPLE_FILES $file"
1777done
1778if test $coin_vpath_config = yes; then
1779  if test "$enable_doscompile" = yes; then
1780    lnkcmd=cp
1781    AC_MSG_NOTICE([Copying example files ($1)])
1782  else
1783    AC_PROG_LN_S
1784    AC_MSG_NOTICE([Creating links to the example files ($1)])
1785    lnkcmd="$LN_S"
1786  fi
1787  for file in $EXAMPLE_FILES; do
1788    rm -f $file
1789    $lnkcmd $srcdir/$file $file
1790  done
1791  EXAMPLE_CLEAN_FILES='$1'
1792else
1793  EXAMPLE_CLEAN_FILES=
1794fi
1795
1796# In case there are compressed files, we create a variable with the
1797# uncompressed names
1798EXAMPLE_UNCOMPRESSED_FILES=
1799for file in $EXAMPLE_FILES; do
1800  case $file in
1801    *.gz)
1802      EXAMPLE_UNCOMPRESSED_FILES="$EXAMPLE_UNCOMPRESSED_FILES `echo $file | sed -e s/.gz//`"
1803      ;;
1804  esac
1805done
1806
1807AC_SUBST(EXAMPLE_UNCOMPRESSED_FILES)
1808AC_SUBST(EXAMPLE_FILES)
1809AC_SUBST(EXAMPLE_CLEAN_FILES)
1810]) #AC_COIN_EXAMPLE_FILES
1811
1812###########################################################################
1813#                            COIN_HAS_PROJECT                             #
1814###########################################################################
1815
1816# This macro sets up usage of a Coin package.  It defines the
1817# PKGSRCDIR and PKGOBJDIR variables, refering to the main source and
1818# object directory of the package, respectively.  It also defines
1819# a COIN_HAS_PKG preprocessor macro and makefile conditional.  The
1820# argument should be the name (Pkg) of the project (in correct lower
1821# and upper case)
1822
1823AC_DEFUN([AC_COIN_HAS_PROJECT],
1824[AC_MSG_CHECKING([for COIN project $1])
1825
1826# First check, if the sub-project is actually available (ToDo: allow
1827# other locations)
1828
1829m4_tolower(coin_has_$1)=unavailable
1830if test x"$COIN_SKIP_PROJECTS" != x; then
1831  for dir in $COIN_SKIP_PROJECTS; do
1832    if test $dir = $1; then
1833      m4_tolower(coin_has_$1)=skipping
1834    fi
1835  done
1836fi
1837
1838if test $m4_tolower(coin_has_$1) != skipping; then
1839  if test $PACKAGE_TARNAME = m4_tolower($1); then
1840    m4_tolower(coin_has_$1)=.
1841  else
1842    if test -d $srcdir/../$1; then
1843      m4_tolower(coin_has_$1)=../$1
1844    fi
1845  fi
1846fi
1847
1848if test $m4_tolower(coin_has_$1) != unavailable &&
1849   test $m4_tolower(coin_has_$1) != skipping; then
1850  # Set the #define if the component is available
1851  AC_DEFINE(m4_toupper(COIN_HAS_$1),[1],[Define to 1 if the $1 package is used])
1852
1853  # Set the variables for source and object code location
1854  AC_SUBST(m4_toupper($1SRCDIR))
1855  m4_toupper($1SRCDIR)=`cd $srcdir/$m4_tolower(coin_has_$1); pwd`
1856  AC_SUBST(m4_toupper($1OBJDIR))
1857  m4_toupper($1OBJDIR)=`pwd`/$m4_tolower(coin_has_$1)
1858fi
1859
1860  # Define the Makefile conditional
1861AM_CONDITIONAL(m4_toupper(COIN_HAS_$1),
1862               [test $m4_tolower(coin_has_$1) != unavailable &&
1863                test $m4_tolower(coin_has_$1) != skipping])
1864AC_MSG_RESULT([$m4_tolower(coin_has_$1)])
1865]) # AC_COIN_HAS
1866
1867###########################################################################
1868#                        COIN_HAS_USER_LIBRARY                            #
1869###########################################################################
1870
1871# This macro sets up usage of a library with header files.  It defines
1872# the LBRYINCDIR variable, and it defines COIN_HAS_LBRY preprocessor
1873# macro and makefile conditional.  The first argument should be the
1874# full name (LibraryName) of the library, and the second argument (in
1875# upper case letters) the abbreviation (LBRY).  This macro also
1876# introduces the configure arguments --with-libraryname-incdir and
1877# --with-libraryname-lib which have to be both given by a user to use
1878# this solver to tell the configure script where the include files and
1879# the library are located.  Those arguments can also be given as
1880# environement variables LBRYINCDIR and LBRYLIB, but a --with-*
1881# argument overwrites an environment variable.  If a third argument is
1882# given, it is assumed that this is the name of a header file that can
1883# be checked for in the given include directory, and if a fourth
1884# argument is given, it is assumed to be the name of a C function
1885# which is given and defined in the library, and a test is done to
1886# check if that symbol is defined in the library.
1887# If it possible to disable the check, by specifying
1888# --disable-libraryname-libcheck - this is a workaround for platforms
1889# where checks don't work (yet) properly.
1890
1891AC_DEFUN([AC_COIN_HAS_USER_LIBRARY],
1892[AC_REQUIRE([AC_COIN_PROJECTDIR_INIT])
1893AC_MSG_CHECKING(if user provides library for $1)
1894
1895# Check for header file directory
1896AC_ARG_WITH(m4_tolower($1)-incdir,
1897            AC_HELP_STRING([--with-m4_tolower($1)-incdir],
1898                           [specify the directory with the header files for library $1]),
1899                           [$2INCDIR=`cd $withval; pwd`])
1900# Check for library directory
1901AC_ARG_WITH(m4_tolower($1)-lib,
1902            AC_HELP_STRING([--with-m4_tolower($1)-lib],
1903                           [specify the flags to link with the library $1]),
1904                           [$2LIB=$withval])
1905# Switch to disable library check if requested
1906AC_ARG_ENABLE(m4_tolower($1)-libcheck,
1907              AC_HELP_STRING([--enable-m4_tolower($1)-libcheck],
1908                             [use disable-m4_tolower($1)-libcheck to skip the link check at configuration time]),
1909              [m4_tolower($1)_libcheck=$enableval],
1910              [m4_tolower($1)_libcheck=yes])
1911
1912if test x"$$2INCDIR" != x || test x"$$2LIB" != x; then
1913  m4_tolower(coin_has_$2)=true
1914else
1915  m4_tolower(coin_has_$2)=false
1916fi
1917
1918if test $m4_tolower(coin_has_$2) = true; then
1919# Check either both arguments or none are given
1920  if test x"$$2INCDIR" = x || test x"$$2LIB" = x; then
1921    AC_MSG_ERROR([You need to specify both --with-m4_tolower($1)-incdir and --with-m4_tolower($1)-lib if you want to use library $1])
1922  fi
1923  AC_MSG_RESULT(yes)
1924  # Check if the given header file is there
1925  m4_ifvaln([$3],[AC_CHECK_FILE([$$2INCDIR/$3],[],
1926                 [AC_MSG_ERROR([Cannot find file $3 in $$2INCDIR])])])
1927  # Check if the symbol is provided in the library
1928  # ToDo: FOR NOW WE ASSUME THAT WE ARE USING THE C++ COMPILER
1929  m4_ifvaln([$4],[if test x"$m4_tolower($1)_libcheck" != xno; then
1930                    coin_save_LIBS="$LIBS"
1931                    LIBS="$$2LIB $ADDLIBS"
1932                    AC_MSG_CHECKING([whether symbol $4 is available with $2])
1933# ToDo find out what to do about extern "C"
1934#                    AC_TRY_LINK([extern "C" {void $4();}],[$4()],
1935                    AC_TRY_LINK([void $4();],[$4()],
1936                                [AC_MSG_RESULT(yes)],
1937                                [AC_MSG_RESULT(no)
1938                                 AC_MSG_ERROR([Cannot find symbol $4 with $2])])
1939                    LIBS="$coin_save_LIBS"
1940                  fi])
1941  ADDLIBS="$$2LIB $ADDLIBS"
1942  AC_DEFINE(COIN_HAS_$2,[1],[Define to 1 if the $1 package is used])
1943else
1944  AC_MSG_RESULT(no)
1945fi
1946
1947AC_SUBST($2INCDIR)
1948AC_SUBST($2LIB)
1949AM_CONDITIONAL(COIN_HAS_$2,
1950               test $m4_tolower(coin_has_$2) = true)
1951]) #AC_COIN_HAS_SOLVER
1952
1953###########################################################################
1954#                               COIN_HAS_ASL                              #
1955###########################################################################
1956
1957# This macro checks if the user has provide arguments that say where
1958# the precompiled ASL files should be found (with the --with-asldir
1959# flag).  If this is not the case, we check if the ThirdParty/ASL
1960# directory has been configured, which indicates that the files will
1961# be in that directory and can be used.
1962
1963AC_DEFUN([AC_COIN_HAS_ASL],
1964[coin_aslobjdir=../ThirdParty/ASL
1965coin_aslsrcdir=$srcdir/$coin_aslobjdir
1966
1967# Determine the name of the ASL library
1968case "$CXX" in
1969  cl* | */cl*)
1970    ampllib=amplsolv.lib ;;
1971  *)
1972    ampllib=amplsolver.a ;;
1973esac
1974
1975AC_ARG_WITH([asldir],
1976            AC_HELP_STRING([--with-asldir],
1977                           [specify path to AMPL solver directory (or BUILD for compilation, or "no" for disabling AMPL)]),
1978            [use_asldir=$withval], [use_asldir=])
1979
1980if test "$use_asldir" = BUILD; then
1981  AC_CHECK_FILE([$coin_aslobjdir/Makefile],[],
1982                [AC_MSG_ERROR([option \"BUILD\" specified for asldir, but directory is not configure (sources missing?)])])
1983elif test -z "$use_asldir"; then
1984 # try to find sources - if not given don't compile
1985  AC_CHECK_FILE([$coin_aslobjdir/Makefile],[use_asldir=BUILD],[use_asldir=no])
1986elif test "$use_asldir" != "no"; then
1987  AC_CHECK_FILE([$use_asldir/$ampllib],[],
1988                [AC_MSG_ERROR([ASL directory \"$use_asldir\" specified, but library missing])])
1989  AC_CHECK_FILE([$use_asldir/asl.h],[],
1990                [AC_MSG_ERROR([ASL directory \"$use_asldir\" specified, but header files are missing])])
1991  use_asldir=`cd $use_asldir; pwd`
1992  case $build in
1993    *-cygwin*) use_asldir=`cygpath -w $use_asldir | sed -e sX\\\\\\\\X/Xg` ;;
1994  esac
1995fi
1996
1997# Variable containing ASL library (including full path)
1998AC_SUBST(ASLLIB)
1999# Variable containing flags for including ASL header files
2000AC_SUBST(ASL_CPPFLAGS)
2001
2002if test "$use_asldir" = BUILD; then
2003  coin_aslobjdir=`cd $coin_aslobjdir; pwd`
2004  ASLLIB=`$CYGPATH_W $coin_aslobjdir/$ampllib | sed -e sX\\\\\\\\X/Xg`
2005  coin_aslsrcdir=`cd $coin_aslsrcdir; pwd`
2006  ASL_CPPFLAGS="-I"`$CYGPATH_W $coin_aslobjdir | sed -e sX\\\\\\\\X/Xg`" -I"`$CYGPATH_W $coin_aslsrcdir/solvers | sed -e sX\\\\\\\\X/Xg`
2007elif test "$use_asldir" != no; then
2008  ASLLIB=`$CYGPATH_W $use_asldir/$ampllib | sed -e sX\\\\\\\\X/Xg`
2009  ASL_CPPFLAGS="-I"`$CYGPATH_W $use_asldir | sed -e sX\\\\\\\\X/Xg`
2010fi
2011
2012if test "$use_asldir" != no; then
2013  AC_CHECK_LIB(dl,[dlopen],[ASLLIB="$ASLLIB -ldl"],[])
2014  coin_has_asl=yes
2015  AC_DEFINE([COIN_HAS_ASL],[1],
2016            [If defined, the Ampl Solver Library is available.])
2017else
2018  coin_has_asl=no
2019fi
2020AM_CONDITIONAL(COIN_HAS_ASL, test $coin_has_asl = yes)
2021]) # AC_COIN_HAS_ASL
2022
2023###########################################################################
2024#                            COIN_TRY_FLINK                               #
2025###########################################################################
2026
2027# Auxilliary macro to test if a Fortran function name can be linked,
2028# given the current settings of LIBS.  We determine from the context, what
2029# the currently active programming language is, and cast the name accordingly.
2030# The first argument is the name of the function/subroutine, in small letters,
2031# the second argument are the actions taken when the test works, and the
2032# third argument are the actions taken if the test fails.
2033
2034AC_DEFUN([AC_COIN_TRY_FLINK],
2035[case $ac_ext in
2036  f)
2037    AC_TRY_LINK([],[      call $1],[$2],[$3])
2038    ;;
2039  c)
2040    AC_F77_FUNC($1,cfunc$1)
2041    if test x"$coin_need_flibs" = xyes; then
2042      flink_try=no;
2043    else
2044      AC_TRY_LINK([void $cfunc$1();],[$cfunc$1()],
2045                  [flink_try=yes],[flink_try=no])
2046    fi
2047    if test $flink_try = yes; then
2048      $2
2049    else
2050      if test x"$FLIBS" != x; then
2051        flink_save_libs="$LIBS"
2052        LIBS="$LIBS $FLIBS"
2053        AC_TRY_LINK([void $cfunc$1();],[$cfunc$1()],
2054                    [LIBS="$flink_save_libs"
2055                     $2
2056                     coin_need_flibs=yes],
2057                    [LIBS="$flink_save_libs"
2058                     $3])
2059      else
2060        $3
2061      fi
2062    fi
2063    ;;
2064  cc)
2065    AC_F77_FUNC($1,cfunc$1)
2066    if test x"$coin_need_flibs" = xyes; then
2067      flink_try=no;
2068    else
2069      AC_TRY_LINK([extern "C" {void $cfunc$1();}],[$cfunc$1()],
2070                  [flink_try=yes],[flink_try=no])
2071    fi
2072    if test $flink_try = yes; then
2073      $2
2074    else
2075      if test x"$FLIBS" != x; then
2076        flink_save_libs="$LIBS"
2077        LIBS="$LIBS $FLIBS"
2078        AC_TRY_LINK([extern "C" {void $cfunc$1();}],[$cfunc$1()],
2079                    [LIBS="$flink_save_libs"
2080                     $2
2081                     coin_need_flibs=yes],
2082                    [LIBS="$flink_save_libs"
2083                     $3])
2084      else
2085        $3
2086      fi
2087    fi
2088    ;;
2089esac
2090]) # AC_COIN_TRY_FLINK
2091
2092###########################################################################
2093#                             COIN_HAS_BLAS                               #
2094###########################################################################
2095
2096# This macro checks for a library containing the BLAS library.  It
2097# tried standard libraries, and if none is found to be working, it
2098# checks whether the BLAS ThirdParty/Blas directory has been configured.
2099# It adds to ADDLIBS any flags required to link with an externally provided
2100# BLAS.  It defines the makefile conditional and preprocessor macro
2101# COIN_HAS_BLAS, if blas is available, and it defines the makefile conditional
2102# COIN_BUILD_BLAS, if blas is compiled within COIN.
2103
2104AC_DEFUN([AC_COIN_HAS_BLAS],
2105[coin_blasobjdir=../ThirdParty/Blas
2106coin_blassrcdir=$srcdir/$coin_blasobjdir
2107
2108AC_ARG_WITH([blas],
2109            AC_HELP_STRING([--with-blas],
2110                           [specify BLAS library (or BUILD for compilation)]),
2111            [use_blas=$withval], [use_blas=])
2112
2113# Check if user supplied option makes sense
2114if test x"$use_blas" != x; then
2115  if test "$use_blas" = "BUILD"; then
2116    AC_CHECK_FILE([$coin_blasobjdir/Makefile],[],
2117                  [AC_MSG_ERROR([option \"BUILD\" specified for Blas, but $coin_blasobjdir directory is not configured])])
2118  else
2119    AC_MSG_CHECKING([whether user supplied BLASLIB=\"$use_blas\" works])
2120    LIBS="$use_blas $LIBS"
2121    ADDLIBS="$use_blas $ADDLIBS"
2122    AC_COIN_TRY_FLINK([daxpy],
2123                      [AC_MSG_RESULT([yes])],
2124                      [AC_MSG_RESULT([no])
2125                       AC_MSG_ERROR([user supplied BLAS library \"$use_blas\" does not work])])
2126  fi
2127else
2128# Try to autodetect the library for blas based on build system
2129  case $build in
2130    *-sgi-*)
2131      SAVE_LIBS="$LIBS"
2132      AC_MSG_CHECKING([whether -lcomplib.sgimath has BLAS])
2133      LIBS="-lcomplib.sgimath $LIBS"
2134      AC_COIN_TRY_FLINK([daxpy],
2135                        [AC_MSG_RESULT([yes])
2136                         use_blas=-lcomplib.sgimath;
2137                         ADDLIBS="-lcomplib.sgimath $ADDLIBS"],
2138                        [AC_MSG_RESULT([no])
2139                         SAVE_LIBS="$LIBS"])
2140      ;;
2141    *-sun-*)
2142      SAVE_LIBS="$LIBS"
2143      AC_MSG_CHECKING([whether -xlic_lib=sunperf has BLAS])
2144      LIBS="-xlic_lib=sunperf $LIBS"
2145      AC_COIN_TRY_FLINK([daxpy],
2146                        [AC_MSG_RESULT([yes])
2147                         use_blas='-xlic_lib=sunperf'],
2148                         ADDLIBS="-xlic_lib=sunperf $ADDLIBS"
2149                        [AC_MSG_RESULT([no])
2150                         LIBS="$SAVE_LIBS"])
2151      ;;
2152  esac
2153  # On cygwin, if enable_doscompile is used, recompile blas because it
2154  # otherwise links with the cygwin blas which doesn't run under DOS
2155  if test "$enable_doscompile" != yes; then
2156    if test -z "$use_blas"; then
2157      SAVE_LIBS="$LIBS"
2158      AC_MSG_CHECKING([whether -lblas has BLAS])
2159      LIBS="-lblas $LIBS"
2160      AC_COIN_TRY_FLINK([daxpy],
2161                        [AC_MSG_RESULT([yes])
2162                         ADDLIBS="-lblas $ADDLIBS"
2163                         use_blas='-lblas'],
2164                        [AC_MSG_RESULT([no])
2165                         LIBS="$SAVE_LIBS"])
2166    fi
2167  fi
2168  if test -z "$use_blas"; then
2169    AC_CHECK_FILE([$coin_blasobjdir/Makefile],[use_blas=BUILD])
2170  fi
2171fi
2172
2173AM_CONDITIONAL([COIN_HAS_BLAS],[test x"$use_blas" != x])
2174AM_CONDITIONAL([COIN_BUILD_BLAS],[test "$use_blas" = BUILD])
2175
2176if test x"$use_blas" = x; then
2177  coin_has_blas=no
2178else
2179  coin_has_blas=yes
2180  AC_DEFINE([COIN_HAS_BLAS],[1],
2181            [If defined, the BLAS Library is available.])
2182fi
2183]) # AC_COIN_HAS_BLAS
2184
2185###########################################################################
2186#                            COIN_HAS_LAPACK                              #
2187###########################################################################
2188
2189# This macro checks for a library containing the LAPACK library.  It
2190# tried standard libraries, and if none is found to be working, it
2191# checks whether the LAPACK ThirdParty/Lapack directory has been
2192# configured.  It adds to ADDLIBS any flags required to link with an
2193# externally provided LAPACK.  It defines the makefile conditional and
2194# preprocessor macro COIN_HAS_LAPACK, if lapack is available, and it
2195# defines the makefile conditional COIN_BUILD_LAPACK, if lapack is
2196# compiled within COIN.
2197
2198AC_DEFUN([AC_COIN_HAS_LAPACK],
2199[coin_lapackobjdir=../ThirdParty/Lapack
2200coin_lapacksrcdir=$srcdir/$coin_lapackobjdir
2201
2202AC_ARG_WITH([lapack],
2203            AC_HELP_STRING([--with-lapack],
2204                           [specify LAPACK library (or BUILD for compilation)]),
2205            [use_lapack=$withval], [use_lapack=])
2206
2207# Check if user supplied option makes sense
2208if test x"$use_lapack" != x; then
2209  if test "$use_lapack" = "BUILD"; then
2210    AC_CHECK_FILE([$coin_lapackobjdir/Makefile],[],
2211                  [AC_MSG_ERROR([option \"BUILD\" specified for Lapack, but $coin_lapackobjdir directory is not configured])])
2212  else
2213    AC_MSG_CHECKING([whether user supplied LAPACKLIB=\"$use_lapack\" works])
2214    LIBS="$use_lapack $LIBS"
2215    ADDLIBS="$use_lapack $ADDLIBS"
2216    AC_COIN_TRY_FLINK([dsyev],
2217                      [AC_MSG_RESULT([yes])],
2218                      [AC_MSG_RESULT([no])
2219                       AC_MSG_ERROR([user supplied LAPACK library \"$use_lapack\" does not work])])
2220  fi
2221else
2222  if test x$coin_has_blas = xyes; then
2223    # First try to see if LAPACK is already available with BLAS library
2224    AC_MSG_CHECKING([whether LAPACK is already available with BLAS library])
2225    AC_COIN_TRY_FLINK([dsyev],
2226                      [AC_MSG_RESULT([yes]); use_lapack=ok],
2227                      [AC_MSG_RESULT([no])])
2228  fi
2229  if test -z "$use_lapack"; then
2230    # Try to autodetect the library for lapack based on build system
2231    case $build in
2232      *-sgi-*)
2233        SAVE_LIBS="$LIBS"
2234        AC_MSG_CHECKING([whether -lcomplib.sgimath has LAPACK])
2235        LIBS="-lcomplib.sgimath $LIBS"
2236        AC_COIN_TRY_FLINK([dsyev],
2237                          [AC_MSG_RESULT([yes])
2238                           use_lapack=-lcomplib.sgimath;
2239                           ADDLIBS="-lcomplib.sgimath $ADDLIBS"],
2240                          [AC_MSG_RESULT([no])
2241                           SAVE_LIBS="$LIBS"])
2242        ;;
2243      *-sun-*)
2244        SAVE_LIBS="$LIBS"
2245        AC_MSG_CHECKING([whether -xlic_lib=sunperf has LAPACK])
2246        LIBS="-xlic_lib=sunperf $LIBS"
2247        AC_COIN_TRY_FLINK([dsyev],
2248                          [AC_MSG_RESULT([yes])
2249                           use_lapack='-xlic_lib=sunperf'],
2250                           ADDLIBS="-xlic_lib=sunperf $ADDLIBS"
2251                          [AC_MSG_RESULT([no])
2252                           LIBS="$SAVE_LIBS"])
2253        ;;
2254    esac
2255  fi
2256  # On cygwin, if enable_doscompile is used, recompile lapack because it
2257  # otherwise links with the cygwin lapack which doesn't run under DOS
2258  if test "$enable_doscompile" != yes; then
2259    if test -z "$use_lapack"; then
2260      SAVE_LIBS="$LIBS"
2261      AC_MSG_CHECKING([whether -llapack has LAPACK])
2262      LIBS="-llapack $LIBS"
2263      AC_COIN_TRY_FLINK([dsyev],
2264                        [AC_MSG_RESULT([yes])
2265                         ADDLIBS="-llapack $ADDLIBS"
2266                         use_lapack='-llapack'],
2267                        [AC_MSG_RESULT([no])
2268                         LIBS="$SAVE_LIBS"])
2269    fi
2270  fi
2271  if test -z "$use_lapack"; then
2272    AC_CHECK_FILE([$coin_lapackobjdir/Makefile],[use_lapack=BUILD])
2273  fi
2274fi
2275
2276AM_CONDITIONAL([COIN_HAS_LAPACK],[test x"$use_lapack" != x])
2277AM_CONDITIONAL([COIN_BUILD_LAPACK],[test "$use_lapack" = BUILD])
2278
2279if test x"$use_lapack" = x; then
2280  coin_has_lapack=no
2281else
2282  coin_has_lapack=yes
2283  AC_DEFINE([COIN_HAS_LAPACK],[1],
2284            [If defined, the LAPACK Library is available.])
2285fi
2286]) # AC_COIN_HAS_LAPACK
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