diff -r 58357e986a08 -r 20dac2104519 m4/lx_check_glpk.m4
--- a/m4/lx_check_glpk.m4	Sun Apr 26 16:36:23 2009 +0100
+++ b/m4/lx_check_glpk.m4	Tue Apr 28 13:51:34 2009 +0100
@@ -64,11 +64,11 @@
     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_DEFINE([LEMON_HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
       lx_lp_found=yes
-      AC_DEFINE([HAVE_LP], [1], [Define to 1 if you have any LP solver.])
+      AC_DEFINE([LEMON_HAVE_LP], [1], [Define to 1 if you have any LP solver.])
       lx_mip_found=yes
-      AC_DEFINE([HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])
+      AC_DEFINE([LEMON_HAVE_MIP], [1], [Define to 1 if you have any MIP solver.])
       AC_MSG_RESULT([yes])
     else
       GLPK_CFLAGS=""