Merge pull request #830 from rahul-bedarkar/build-fix-with-uClibc

add proper check for detecting header <execinfo.h>

Author: gizmocuz

CMakeLists.txt

@@ -61,6 +61,13 @@ SET(EXECUTABLE_OUTPUT_PATH "" CACHE INTERNAL
   "Where to put the executables for Domoticz"
   )
 
+INCLUDE(CheckIncludeFile)
+CHECK_INCLUDE_FILE (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:

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 :