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From f0da50118f7bd01ed7fa97e75b790a8232d8d4dc Mon Sep 17 00:00:00 2001
From: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
Date: Thu, 25 Aug 2016 17:23:38 +0530
Subject: [PATCH] add proper check for detecting header <execinfo.h>
domoticz.cpp currently assumes that on GNU/Linux systems header
<execinfo.h> is available. But that is not true. Since it provided by
C library and uClibc can be built without backtrace support. And in
such cases we get following build error.
domoticz-3.4834/main/domoticz.cpp:48:22: fatal error: execinfo.h: No such file or directory
#include <execinfo.h>
^
compilation terminated.
Instead of depending on __gnu_linux__, add check for detecting
presence of <execinfo.h> and guard code for dumpstack accordingly.
This build failure is detected by Buildroot autobuilder.
http://autobuild.buildroot.net/results/393/393f839e160b51ca12ac36058718ad2f0c1b50a6/
Signed-off-by: Rahul Bedarkar <rahul.bedarkar@imgtec.com>
---
CMakeLists.txt | 7 +++++++
main/domoticz.cpp | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
Index: b/CMakeLists.txt
===================================================================
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,6 +61,13 @@
"Where to put the executables for Domoticz"
)
+INCLUDE(CheckIncludeFiles)
+CHECK_INCLUDE_FILES (execinfo.h HAVE_EXECINFO_H)
+
+IF(HAVE_EXECINFO_H)
+ ADD_DEFINITIONS(-DHAVE_EXECINFO_H)
+ENDIF(HAVE_EXECINFO_H)
+
#set(CMAKE_EXE_LINKER_FLAGS "-static")
# Macro for setting up precompiled headers. Usage:
Index: b/main/domoticz.cpp
===================================================================
--- a/main/domoticz.cpp
+++ b/main/domoticz.cpp
@@ -44,7 +44,7 @@
#include <string.h>
#endif
-#ifdef __gnu_linux__
+#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
static void dumpstack(void) {
// Notes :
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