gentoo-overlay/net-misc/connman/files/connman-1.32-execinfo-assumptions.patch

diff -uNr a/config.h.in b/config.h.in
--- a/config.h.in	2013-07-02 17:41:03.715261748 +0000
+++ b/config.h.in	2013-07-02 17:41:21.707260667 +0000
@@ -3,6 +3,9 @@
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #undef HAVE_DLFCN_H
 
+/* Define to 1 if you have the <execinfo.h> header file. */
+#undef HAVE_EXECINFO_H
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
diff -uNr a/configure.ac b/configure.ac
--- a/configure.ac	2013-07-02 17:41:03.715261748 +0000
+++ b/configure.ac	2013-07-02 17:41:21.719260666 +0000
@@ -181,6 +181,8 @@
 AC_CHECK_FUNC(signalfd, dummy=yes,
 			AC_MSG_ERROR(signalfd support is required))
 
+AC_CHECK_HEADERS([execinfo.h], [], [])
+
 AC_CHECK_LIB(dl, dlopen, dummy=yes,
 			AC_MSG_ERROR(dynamic linking loader is required))
 
diff -uNr a/src/backtrace.c b/src/backtrace.c
--- a/src/backtrace.c	2013-07-02 17:41:03.727261747 +0000
+++ b/src/backtrace.c	2013-07-02 17:42:12.717257603 +0000
@@ -30,7 +30,9 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
+#ifdef HAVE_EXECINFO_H
 #include <execinfo.h>
+#endif
 #include <dlfcn.h>
 
 #include "connman.h"
@@ -37,6 +38,7 @@
 void print_backtrace(const char* program_path, const char* program_exec,
 		unsigned int offset)
 {
+#ifdef HAVE_EXECINFO_H
 	void *frames[99];
 	size_t n_ptrs;
 	unsigned int i;
@@ -135,6 +138,7 @@
 
 	close(outfd[1]);
 	close(infd[0]);
+#endif
 }
 
 static void signal_handler(int signo)