X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=configure.ac;h=26c3c62b4305dd64af4520c9b1d368990c16333b;hb=7351d04517a2a1ad48880d4fa46e780068929d6e;hp=b3a965e3b0a2f23d9b923244155726372bb4cae1;hpb=2d84aa485a4e0801ce82266e0edc7dacd2da649d;p=oweals%2Fgnunet.git

diff --git a/configure.ac b/configure.ac
index b3a965e3b..26c3c62b4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -29,6 +29,7 @@ AC_CONFIG_HEADERS([gnunet_config.h])
 AH_TOP([#define _GNU_SOURCE  1])
 
 # Checks for programs.
+AC_CANONICAL_TARGET
 AC_CANONICAL_SYSTEM
 AC_PROG_AWK
 AC_PROG_CC
@@ -259,10 +260,13 @@ fi	# $build = $target
 glpk=true
 AC_CHECK_HEADERS(glpk.h, ,[gplk=false])
 AC_CHECK_LIB([glpk],[glp_create_prob], , [gplk=false])
-if test $gplk == false
+# GLPK must support atm MLP presolving, version >= 4.32
+AC_CHECK_MEMBERS(glp_iocp.presolve, ,[gplk=false],[[#include <glpk.h>]])
+if test $gplk = false
 then
 	AM_CONDITIONAL(HAVE_GLPK, [test x$gplk = xtrue])
 	AM_CONDITIONAL(HAVE_LIBGLPK, [test x$gplk != x$gplk])
+	AC_MSG_WARN([GNUnet requires GLPK  >= 4.32])
 else
 	AM_CONDITIONAL(HAVE_GLPK, [test x$gplk = xtrue])
 	AM_CONDITIONAL(HAVE_LIBGLPK, [test x$gplk = x$gplk])