1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/m4/lx_check_glpk.m4 Tue Dec 18 10:56:09 2007 +0100
1.3 @@ -0,0 +1,75 @@
1.4 +AC_DEFUN([LX_CHECK_GLPK],
1.5 +[
1.6 + AC_ARG_WITH([glpk],
1.7 +AS_HELP_STRING([--with-glpk@<:@=PREFIX@:>@], [search for GLPK under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
1.8 +AS_HELP_STRING([--without-glpk], [disable checking for GLPK]),
1.9 + [], [with_glpk=yes])
1.10 +
1.11 + AC_ARG_WITH([glpk-includedir],
1.12 +AS_HELP_STRING([--with-glpk-includedir=DIR], [search for GLPK headers in DIR]),
1.13 + [], [with_glpk_includedir=no])
1.14 +
1.15 + AC_ARG_WITH([glpk-libdir],
1.16 +AS_HELP_STRING([--with-glpk-libdir=DIR], [search for GLPK libraries in DIR]),
1.17 + [], [with_glpk_libdir=no])
1.18 +
1.19 + lx_glpk_found=no
1.20 + if test x"$with_glpk" != x"no"; then
1.21 + AC_MSG_CHECKING([for GLPK])
1.22 +
1.23 + if test x"$with_glpk_includedir" != x"no"; then
1.24 + GLPK_CFLAGS="-I$with_glpk_includedir"
1.25 + elif test x"$with_glpk" != x"yes"; then
1.26 + GLPK_CFLAGS="-I$with_glpk/include"
1.27 + fi
1.28 +
1.29 + if test x"$with_glpk_libdir" != x"no"; then
1.30 + GLPK_LDFLAGS="-L$with_glpk_libdir"
1.31 + elif test x"$with_glpk" != x"yes"; then
1.32 + GLPK_LDFLAGS="-L$with_glpk/lib"
1.33 + fi
1.34 + GLPK_LIBS="-lglpk"
1.35 +
1.36 + lx_save_cxxflags="$CXXFLAGS"
1.37 + lx_save_ldflags="$LDFLAGS"
1.38 + lx_save_libs="$LIBS"
1.39 + CXXFLAGS="$GLPK_CFLAGS"
1.40 + LDFLAGS="$GLPK_LDFLAGS"
1.41 + LIBS="$GLPK_LIBS"
1.42 +
1.43 + lx_glpk_test_prog='
1.44 + extern "C" {
1.45 + #include <glpk.h>
1.46 + }
1.47 +
1.48 + int main(int argc, char* argv[])
1.49 + {
1.50 + LPX *lp;
1.51 + lp = lpx_create_prob();
1.52 + lpx_delete_prob(lp);
1.53 + return 0;
1.54 + }'
1.55 +
1.56 + AC_LANG_PUSH(C++)
1.57 + AC_LINK_IFELSE([$lx_glpk_test_prog], [lx_glpk_found=yes], [lx_glpk_found=no])
1.58 + AC_LANG_POP(C++)
1.59 +
1.60 + CXXFLAGS="$lx_save_cxxflags"
1.61 + LDFLAGS="$lx_save_ldflags"
1.62 + LIBS="$lx_save_libs"
1.63 +
1.64 + if test x"$lx_glpk_found" = x"yes"; then
1.65 + AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
1.66 + AC_MSG_RESULT([yes])
1.67 + else
1.68 + GLPK_CFLAGS=""
1.69 + GLPK_LDFLAGS=""
1.70 + GLPK_LIBS=""
1.71 + AC_MSG_RESULT([no])
1.72 + fi
1.73 + fi
1.74 + GLPK_LIBS="$GLPK_LDFLAGS $GLPK_LIBS"
1.75 + AC_SUBST(GLPK_CFLAGS)
1.76 + AC_SUBST(GLPK_LIBS)
1.77 + AM_CONDITIONAL([HAVE_GLPK], [test x"$lx_glpk_found" = x"yes"])
1.78 +])