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m4/lx_check_glpk.m4
author Balazs Dezso <deba@inf.elte.hu>
Fri, 25 Sep 2009 21:51:36 +0200
changeset 869 636dadefe1e6
parent 459 ed54c0d13df0
parent 500 8a144437db7d
permissions -rw-r--r--
Add fractional matching algorithms (#314) 
     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 ])
lemon-1.3