[gimp] Bug 704980 - uclibc - base-utils.c: execinfo.h: No such file or directory

[Michael Natterer <mitch src gnome org>]

commit 98cef1273b9e6f71ef47b1828d627ec1b010fcb9
Author: Michael Natterer <mitch gimp org>
Date:   Sun Nov 10 22:09:54 2013 +0100

    Bug 704980 - uclibc - base-utils.c: execinfo.h: No such file or directory
    
    Forgot to apply the same fix to master.

 app/core/gimp-utils.c |    4 ++--
 configure.ac          |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/app/core/gimp-utils.c b/app/core/gimp-utils.c
index c33958c..5a958a6 100644
--- a/app/core/gimp-utils.c
+++ b/app/core/gimp-utils.c
@@ -38,7 +38,7 @@
 #include <process.h>
 #endif
 
-#ifdef G_OS_UNIX
+#if defined(G_OS_UNIX) && defined(HAVE_EXECINFO_H)
 /* For get_backtrace() */
 #include <stdlib.h>
 #include <string.h>
@@ -369,7 +369,7 @@ gimp_get_physical_memory_size (void)
 gchar *
 gimp_get_backtrace (void)
 {
-#ifdef G_OS_UNIX
+#if defined(G_OS_UNIX) && defined(HAVE_EXECINFO_H)
   void     *functions[MAX_FUNC];
   char    **function_names;
   int       n_functions;
diff --git a/configure.ac b/configure.ac
index 9a31f7f..6eb0e07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -422,7 +422,7 @@ AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
-AC_CHECK_HEADERS(sys/param.h sys/time.h sys/times.h sys/wait.h unistd.h)
+AC_CHECK_HEADERS(execinfo.h sys/param.h sys/time.h sys/times.h sys/wait.h unistd.h)
 
 AC_TYPE_PID_T
 AC_FUNC_VPRINTF