From 3183763249e8e3e9d01d3e72a19e760d37c338d3 Mon Sep 17 00:00:00 2001
From: Claus-Justus Heine <Claus-Justus.Heine@IANS.Uni-Stuttgart.DE>
Date: Thu, 3 May 2007 16:18:48 +0000
Subject: [PATCH] merge init-element-branch -> trunk
---
m4/gltools.m4 | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 m4/gltools.m4
diff --git a/m4/gltools.m4 b/m4/gltools.m4
new file mode 100644
index 0000000..f2ad881
--- /dev/null
+++ b/m4/gltools.m4
@@ -0,0 +1,29 @@
+#
+# check for gltools and stuff
+#
+
+AC_DEFUN([ALBERTA_GLTOOLS_CHECK],
+[AC_REQUIRE([ALBERTA_OPENGL_CHECK])
+ALBERTA_CHECK_PACKAGE([gltools],[gltools],[],[$OPENGL_ALL_LIB],
+ [glwin.h],[],[],[optional enabled])
+if ! test "z${GLTOOLS_LIB}" = "z"; then
+ AC_MSG_CHECKING([for gltools version])
+ AC_LANG_PUSH([C])
+ ac_al_save_CPPFLAGS="${CPPFLAGS}"
+ CPPFLAGS="`eval eval eval echo ${GLTOOLS_ALL_INCLUDES}` ${CPPFLAGS}"
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <glmesh.h>
+ static glMesh m;
+ static glmLoopCallback fptr;
+ static glmSimplexCallback splxcb;]],
+ [[fptr(m, (void *)0, splxcb, (int)0)]])],
+ [AC_MSG_RESULT([using cH's special hacked gltools version])
+ AC_DEFINE([HAVE_GLMLOOPCALLBACK_COORDS_ONLY], 1,
+ [Define if glmLoopCallback accepts an "coords_only" argument.])],
+ [AC_MSG_RESULT([using vanilla gltools version])
+ AC_DEFINE([HAVE_GLMLOOPCALLBACK_COORDS_ONLY], 0,
+ [Define if glmLoopCallback accepts an "coords_only" argument.])])
+ CPPFLAGS="${ac_al_save_CPPFLAGS}"
+ AC_LANG_POP([C])
+fi])
+
--
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