m4/lx_check_glpk.m4
changeset 104 cdbba181b786
child 187 84c2a2e5cfee
equal deleted inserted replaced
-1:000000000000 0:4000cc7c3cb6
       
     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       int main(int argc, char* argv[])
       
    46       {
       
    47         LPX *lp;
       
    48         lp = lpx_create_prob();
       
    49         lpx_delete_prob(lp);
       
    50         return 0;
       
    51       }'
       
    52 
       
    53     AC_LANG_PUSH(C++)
       
    54     AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])
       
    55     AC_LANG_POP(C++)
       
    56 
       
    57     CXXFLAGS="$lx_save_cxxflags"
       
    58     LDFLAGS="$lx_save_ldflags"
       
    59     LIBS="$lx_save_libs"
       
    60 
       
    61     if test x"$lx_glpk_found" = x"yes"; then
       
    62       AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
       
    63       AC_MSG_RESULT([yes])
       
    64     else
       
    65       GLPK_CFLAGS=""
       
    66       GLPK_LDFLAGS=""
       
    67       GLPK_LIBS=""
       
    68       AC_MSG_RESULT([no])
       
    69     fi
       
    70   fi
       
    71   GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"
       
    72   AC_SUBST(GLPK_CFLAGS)
       
    73   AC_SUBST(GLPK_LIBS)
       
    74   AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
       
    75 ])