From 1f48706b38a99959f71c2c6a3755024d0b86f95d Mon Sep 17 00:00:00 2001
From: Matthias Wachs <wachs@net.in.tum.de>
Date: Wed, 23 Mar 2011 12:55:18 +0000
Subject: changes to configure.ac

---
 configure.ac                             | 25 ++++++++++++++++---------
 src/transport/Makefile.am                |  2 +-
 src/transport/gnunet-service-transport.c | 17 +++++++----------
 3 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/configure.ac b/configure.ac
index 699a63d3d..ad5cdaf20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -248,15 +248,22 @@ LIBCURL_CHECK_CONFIG(,7.20.1,,AC_MSG_ERROR([GNUnet requires libcurl >= 7.20.1]))
 LIBS=$SAVE_LIBS
 
 # glpk
-glpk=0
-AC_CHECK_HEADERS([glpk.h]) 
-if test "$ac_cv_header_glpk_h" = yes; then
-AM_CONDITIONAL(HAVE_GLPK, 1) 
-AC_DEFINE_UNQUOTED([HAVE_GLPK], test x$glpk = xtrue, [We have GLPK])
-else 
-AM_CONDITIONAL(HAVE_GLPK, test x$glpk = xtrue) 
-AC_MSG_WARN([GLPK not installed.]) 
-fi 
+#AC_CHECK_HEADERS(glpk.h, glpk=true)
+#AM_CONDITIONAL(HAVE_GLPK, test x$glpk = xtrue)
+#AC_CHECK_LIB([glpk],[glp_create_prob])
+
+a=true
+AC_CHECK_HEADERS(glpk.h, ,[a=false])
+AC_CHECK_LIB([glpk],[glp_create_prob], , [a=false])
+if test $a == false
+then
+	AC_MSG_NOTICE([Feature b0rk is missing.])
+	AM_CONDITIONAL(HAVE_GLPK, [test x$a = xtrue])
+else
+	AC_MSG_NOTICE([Feature b0rk is present.])
+	AM_CONDITIONAL(HAVE_GLPK, [test x$a = xtrue])
+	AM_CONDITIONAL(HAVE_LIBGLPK, [test x$a = x$a])
+fi
 
 # test for kvm and kstat (for CPU stats under BSD/Solaris)
 AC_CHECK_LIB([kvm],[kvm_open])
diff --git a/src/transport/Makefile.am b/src/transport/Makefile.am
index 43c4692b5..4706570e4 100644
--- a/src/transport/Makefile.am
+++ b/src/transport/Makefile.am
@@ -105,7 +105,7 @@ gnunet_transport_LDADD = \
 gnunet_transport_DEPENDENCIES = \
   libgnunettransport.la				
 
-if HAVE_GLPK
+if HAVE_LIBGLPK
   GN_GLPK = -lglpk
 endif
 
diff --git a/src/transport/gnunet-service-transport.c b/src/transport/gnunet-service-transport.c
index ba9cdfbc6..116482c60 100644
--- a/src/transport/gnunet-service-transport.c
+++ b/src/transport/gnunet-service-transport.c
@@ -38,7 +38,7 @@
 #include "gnunet_signatures.h"
 #include "gnunet_transport_plugin.h"
 #include "transport.h"
-#if HAVE_GLPK
+#if HAVE_LIBGLPK
 #include <glpk.h>
 #endif
 
@@ -5548,12 +5548,14 @@ shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   GNUNET_break (bl_head == NULL);
   GNUNET_break (bc_head == NULL);
 }
+#if !HAVE_LIBGLPK
 
+void ats_create_problem(int peers, double b_min, double b_max, double r, const struct ATS_peer * list, int max_it, int max_dur)
+{
 
-
-#if HAVE_GLPK
-
-glp_prob * ats_create_problem(int peers, double b_min, double b_max, double r, const struct ATS_peer * list, int max_it, int max_dur)
+}
+#else
+glp_prob * ats_create_problem (int peers, double b_min, double b_max, double r, const struct ATS_peer * list, int max_it, int max_dur)
 {
 	int c1, c2;
 	glp_prob *lp;
@@ -5688,11 +5690,6 @@ glp_prob * ats_create_problem(int peers, double b_min, double b_max, double r, c
 	glp_delete_prob(lp);
 	//GNUNET_free(options);
 	return lp;
-}
-#else
-void ats_create_problem(int peers, double b_min, double b_max, double r, const struct ATS_peer * list, int max_it, int max_dur)
-{
-
 }
 #endif
 
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