media-libs/gegl/files/gegl-0.1.2-backtrace.patch


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Not all platforms have backtrace() facility, such as Darwin <=10.4 and
Solaris.

See also
https://trac.macports.org/browser/trunk/dports/graphics/gegl/files/patch-gegl-buffer-gegl-buffer.c.diff?rev=71233

This patch uses a configure check to disable it based on existance of
execinfo.h instead of hardcoded knowledge about the target platforms.

https://bugzilla.gnome.org/show_bug.cgi?id=631183

--- gegl-0.1.2/configure.ac
+++ gegl-0.1.2/configure.ac
@@ -986,6 +986,7 @@
 
 AM_CONDITIONAL(ENABLE_WORKSHOP, test "x$enable_workshop" = "xyes")
 
+AC_CHECK_HEADERS([execinfo.h])
 
 dnl bin/node-editors/Makefile
 AC_OUTPUT([
--- gegl-0.1.2/gegl/buffer/gegl-buffer.c
+++ gegl-0.1.2/gegl/buffer/gegl-buffer.c
@@ -80,7 +80,7 @@
 /* #define GEGL_BUFFER_DEBUG_ALLOCATIONS to print allocation stack
  * traces for leaked GeglBuffers using GNU C libs backtrace_symbols()
  */
-#ifndef G_OS_WIN32
+#ifdef HAVE_EXECINFO_H
 #include <execinfo.h>
 #endif
 
@@ -876,8 +876,8 @@
 gegl_buffer_get_alloc_stack (void)
 {
   char  *result         = NULL;
-#ifdef G_OS_WIN32
-  result = g_strdup ("backtrack not available on win32\n");
+#ifndef HAVE_EXECINFO_H
+  result = g_strdup ("backtrack not available for this platform\n");
 #else
   void  *functions[MAX_N_FUNCTIONS];
   int    n_functions    = 0;