m4/lx_check_glpk.m4
author Alpar Juttner <alpar@cs.elte.hu>
Tue, 26 May 2015 16:54:15 +0200
branch1.2
changeset 1000 d94bb1e50557
parent 459 ed54c0d13df0
parent 500 8a144437db7d
permissions -rw-r--r--
Merge bugfix #598 to branch 1.2
     1 AC_DEFUN([LX_CHECK_GLPK],
     2 [
     3   AC_ARG_WITH([glpk],
     4 AS_HELP_STRING([--with-glpk@<:@=PREFIX@:>@], [search for GLPK under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
     5 AS_HELP_STRING([--without-glpk], [disable checking for GLPK]),
     6               [], [with_glpk=yes])
     7 
     8   AC_ARG_WITH([glpk-includedir],
     9 AS_HELP_STRING([--with-glpk-includedir=DIR], [search for GLPK headers in DIR]),
    10               [], [with_glpk_includedir=no])
    11 
    12   AC_ARG_WITH([glpk-libdir],
    13 AS_HELP_STRING([--with-glpk-libdir=DIR], [search for GLPK libraries in DIR]),
    14               [], [with_glpk_libdir=no])
    15 
    16   lx_glpk_found=no
    17   if test x"$with_glpk" != x"no"; then
    18     AC_MSG_CHECKING([for GLPK])
    19 
    20     if test x"$with_glpk_includedir" != x"no"; then
    21       GLPK_CFLAGS="-I$with_glpk_includedir"
    22     elif test x"$with_glpk" != x"yes"; then
    23       GLPK_CFLAGS="-I$with_glpk/include"
    24     fi
    25 
    26     if test x"$with_glpk_libdir" != x"no"; then
    27       GLPK_LDFLAGS="-L$with_glpk_libdir"
    28     elif test x"$with_glpk" != x"yes"; then
    29       GLPK_LDFLAGS="-L$with_glpk/lib"
    30     fi
    31     GLPK_LIBS="-lglpk"
    32 
    33     lx_save_cxxflags="$CXXFLAGS"
    34     lx_save_ldflags="$LDFLAGS"
    35     lx_save_libs="$LIBS"
    36     CXXFLAGS="$GLPK_CFLAGS"
    37     LDFLAGS="$GLPK_LDFLAGS"
    38     LIBS="$GLPK_LIBS"
    39 
    40     lx_glpk_test_prog='
    41       extern "C" {
    42       #include <glpk.h>
    43       }
    44 
    45       #if (GLP_MAJOR_VERSION < 4) \
    46          || (GLP_MAJOR_VERSION == 4 && GLP_MINOR_VERSION < 33)
    47       #error Supported GLPK versions: 4.33 or above
    48       #endif
    49 
    50       int main(int argc, char** argv)
    51       {
    52         LPX *lp;
    53         lp = lpx_create_prob();
    54         lpx_delete_prob(lp);
    55         return 0;
    56       }'
    57 
    58     AC_LANG_PUSH(C++)
    59     AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])
    60     AC_LANG_POP(C++)
    61 
    62     CXXFLAGS="$lx_save_cxxflags"
    63     LDFLAGS="$lx_save_ldflags"
    64     LIBS="$lx_save_libs"
    65 
    66     if test x"$lx_glpk_found" = x"yes"; then
    67       AC_DEFINE([LEMON_HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
    68       lx_lp_found=yes
    69       AC_DEFINE([LEMON_HAVE_LP], [1], [Define to 1 if you have any LP solver.])
    70       lx_mip_found=yes
    71       AC_DEFINE([LEMON_HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])
    72       AC_MSG_RESULT([yes])
    73     else
    74       GLPK_CFLAGS=""
    75       GLPK_LDFLAGS=""
    76       GLPK_LIBS=""
    77       AC_MSG_RESULT([no])
    78     fi
    79   fi
    80   GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"
    81   AC_SUBST(GLPK_CFLAGS)
    82   AC_SUBST(GLPK_LIBS)
    83   AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
    84 ])