Location: LEMON/LEMON-main/m4/lx_check_glpk.m4 - annotation
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MinGW compatibility for graph_to_eps.h
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[
AC_ARG_WITH([glpk],
AS_HELP_STRING([--with-glpk@<:@=PREFIX@:>@], [search for GLPK under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
AS_HELP_STRING([--without-glpk], [disable checking for GLPK]),
[], [with_glpk=yes])
AC_ARG_WITH([glpk-includedir],
AS_HELP_STRING([--with-glpk-includedir=DIR], [search for GLPK headers in DIR]),
[], [with_glpk_includedir=no])
AC_ARG_WITH([glpk-libdir],
AS_HELP_STRING([--with-glpk-libdir=DIR], [search for GLPK libraries in DIR]),
[], [with_glpk_libdir=no])
lx_glpk_found=no
if test x"$with_glpk" != x"no"; then
AC_MSG_CHECKING([for GLPK])
if test x"$with_glpk_includedir" != x"no"; then
GLPK_CFLAGS="-I$with_glpk_includedir"
elif test x"$with_glpk" != x"yes"; then
GLPK_CFLAGS="-I$with_glpk/include"
fi
if test x"$with_glpk_libdir" != x"no"; then
GLPK_LDFLAGS="-L$with_glpk_libdir"
elif test x"$with_glpk" != x"yes"; then
GLPK_LDFLAGS="-L$with_glpk/lib"
fi
GLPK_LIBS="-lglpk"
lx_save_cxxflags="$CXXFLAGS"
lx_save_ldflags="$LDFLAGS"
lx_save_libs="$LIBS"
CXXFLAGS="$GLPK_CFLAGS"
LDFLAGS="$GLPK_LDFLAGS"
LIBS="$GLPK_LIBS"
lx_glpk_test_prog='
extern "C" {
#include <glpk.h>
}
int main(int argc, char* argv[])
{
LPX *lp;
lp = lpx_create_prob();
lpx_delete_prob(lp);
return 0;
}'
AC_LANG_PUSH(C++)
AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])
AC_LANG_POP(C++)
CXXFLAGS="$lx_save_cxxflags"
LDFLAGS="$lx_save_ldflags"
LIBS="$lx_save_libs"
if test x"$lx_glpk_found" = x"yes"; then
AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
AC_MSG_RESULT([yes])
else
GLPK_CFLAGS=""
GLPK_LDFLAGS=""
GLPK_LIBS=""
AC_MSG_RESULT([no])
fi
fi
GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"
AC_SUBST(GLPK_CFLAGS)
AC_SUBST(GLPK_LIBS)
AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
])
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