m4/lx_check_glpk.m4
author Alpar Juttner <alpar@cs.elte.hu>
Fri, 05 Dec 2008 10:38:32 +0000
changeset 438 0f2091856dab
parent 1 51eaad3a817b
child 480 69928a704ffb
child 540 8a144437db7d
permissions -rw-r--r--
Merge
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AC_DEFUN([LX_CHECK_GLPK],
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[
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  AC_ARG_WITH([glpk],
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AS_HELP_STRING([--with-glpk@<:@=PREFIX@:>@], [search for GLPK under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
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AS_HELP_STRING([--without-glpk], [disable checking for GLPK]),
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              [], [with_glpk=yes])
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  AC_ARG_WITH([glpk-includedir],
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AS_HELP_STRING([--with-glpk-includedir=DIR], [search for GLPK headers in DIR]),
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              [], [with_glpk_includedir=no])
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  AC_ARG_WITH([glpk-libdir],
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AS_HELP_STRING([--with-glpk-libdir=DIR], [search for GLPK libraries in DIR]),
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              [], [with_glpk_libdir=no])
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  lx_glpk_found=no
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  if test x"$with_glpk" != x"no"; then
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    AC_MSG_CHECKING([for GLPK])
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    if test x"$with_glpk_includedir" != x"no"; then
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      GLPK_CFLAGS="-I$with_glpk_includedir"
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    elif test x"$with_glpk" != x"yes"; then
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      GLPK_CFLAGS="-I$with_glpk/include"
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    fi
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    if test x"$with_glpk_libdir" != x"no"; then
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      GLPK_LDFLAGS="-L$with_glpk_libdir"
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    elif test x"$with_glpk" != x"yes"; then
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      GLPK_LDFLAGS="-L$with_glpk/lib"
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    fi
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    GLPK_LIBS="-lglpk"
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    lx_save_cxxflags="$CXXFLAGS"
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    lx_save_ldflags="$LDFLAGS"
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    lx_save_libs="$LIBS"
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    CXXFLAGS="$GLPK_CFLAGS"
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    LDFLAGS="$GLPK_LDFLAGS"
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    LIBS="$GLPK_LIBS"
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    lx_glpk_test_prog='
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      extern "C" {
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      #include <glpk.h>
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      }
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      int main(int argc, char** argv)
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      {
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        LPX *lp;
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        lp = lpx_create_prob();
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        lpx_delete_prob(lp);
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        return 0;
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      }'
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    AC_LANG_PUSH(C++)
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    AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])
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    AC_LANG_POP(C++)
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    CXXFLAGS="$lx_save_cxxflags"
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    LDFLAGS="$lx_save_ldflags"
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    LIBS="$lx_save_libs"
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    if test x"$lx_glpk_found" = x"yes"; then
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      AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
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      AC_MSG_RESULT([yes])
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    else
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      GLPK_CFLAGS=""
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      GLPK_LDFLAGS=""
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      GLPK_LIBS=""
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      AC_MSG_RESULT([no])
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    fi
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  fi
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  GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"
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  AC_SUBST(GLPK_CFLAGS)
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  AC_SUBST(GLPK_LIBS)
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  AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
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])