From fb17acca9c26d3299c3eece032584345b28d0af0 Mon Sep 17 00:00:00 2001
From: Sven Verdoolaege <skimo@kotnet.org>
Date: Tue, 2 Dec 2008 22:41:04 +0100
Subject: [PATCH] Add backup mp_get_memory_functions implementation for use
 with old gmps

---
 Makefile.am                      |  5 +++++
 configure.in                     |  6 ++++++
 include/cloog/int.h.in           |  6 ++++++
 source/mp_get_memory_functions.c | 14 ++++++++++++++
 4 files changed, 31 insertions(+)
 create mode 100644 source/mp_get_memory_functions.c

diff --git a/Makefile.am b/Makefile.am
index 2df7480..6e91cd5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -52,7 +52,12 @@ bin_PROGRAMS = cloog
 lib_LTLIBRARIES = @CLOOG_LIBRARIES@
 EXTRA_LTLIBRARIES = libcloog-polylib.la libcloog-isl.la
 
+if NEED_GET_MEMORY_FUNCTIONS
+GET_MEMORY_FUNCTIONS=source/mp_get_memory_functions.c
+endif
+
 SOURCES_CORE = \
+	$(GET_MEMORY_FUNCTIONS) \
 	source/block.c \
 	source/clast.c \
 	source/int.c \
diff --git a/configure.in b/configure.in
index 2066327..31f63f0 100644
--- a/configure.in
+++ b/configure.in
@@ -120,6 +120,12 @@ system)
                  __gmpz_init,
                  [LIBS="$LIBS -lgmp"],
                  [AC_MSG_ERROR(Can't find gmp library.)])
+    need_get_memory_functions=false
+    AC_CHECK_DECLS(mp_get_memory_functions,[],[
+	    need_get_memory_functions=true
+    ],[#include <gmp.h>])
+    AM_CONDITIONAL(NEED_GET_MEMORY_FUNCTIONS,
+		    test x$need_get_memory_functions = xtrue)
     ;;
 esac
 
diff --git a/include/cloog/int.h.in b/include/cloog/int.h.in
index 1879753..21b3091 100644
--- a/include/cloog/int.h.in
+++ b/include/cloog/int.h.in
@@ -11,6 +11,12 @@
 #if defined(CLOOG_INT_GMP)
 #include <string.h>
 #include <gmp.h>
+#ifndef mp_get_memory_functions
+void mp_get_memory_functions(
+		void *(**alloc_func_ptr) (size_t),
+		void *(**realloc_func_ptr) (void *, size_t, size_t),
+		void (**free_func_ptr) (void *, size_t));
+#endif
 #endif
 
 #if defined(__cplusplus)
diff --git a/source/mp_get_memory_functions.c b/source/mp_get_memory_functions.c
new file mode 100644
index 0000000..e14e336
--- /dev/null
+++ b/source/mp_get_memory_functions.c
@@ -0,0 +1,14 @@
+#include <gmp.h>
+
+void mp_get_memory_functions(
+		void *(**alloc_func_ptr) (size_t),
+		void *(**realloc_func_ptr) (void *, size_t, size_t),
+		void (**free_func_ptr) (void *, size_t))
+{
+	if (alloc_func_ptr)
+		*alloc_func_ptr = __gmp_allocate_func;
+	if (realloc_func_ptr)
+		*realloc_func_ptr = __gmp_reallocate_func;
+	if (free_func_ptr)
+		*free_func_ptr = __gmp_free_func;
+}
-- 
2.11.4.GIT