added detection of execinfo.h to CMake / prefer HAVE_EXECINFO_H instead of platform checks in config.h

Author: firewave

CMakeLists.txt

@@ -17,6 +17,7 @@ include(cmake/compilerCheck.cmake)
 include(cmake/versions.cmake)
 include(cmake/findDependencies.cmake)
 include(cmake/compileroptions.cmake)
+include(cmake/includechecks.cmake)
 include(cmake/compilerDefinitions.cmake)
 include(cmake/buildFiles.cmake)
 if(BUILD_GUI)

cli/CMakeLists.txt

@@ -1,4 +1,3 @@
-
 file(GLOB hdrs "*.h")
 file(GLOB srcs "*.cpp")
 file(GLOB mainfile "main.cpp")

cmake/compilerDefinitions.cmake

@@ -66,6 +66,10 @@ if(NO_WINDOWS_SEH)
     add_definitions(-DNO_WINDOWS_SEH)
 endif()
 
+if(NOT MSVC)
+    add_definitions(-DHAVE_EXECINFO_H=${HAVE_EXECINFO_H})
+endif()
+
 if(FILESDIR_DEF)
     file(TO_CMAKE_PATH "${FILESDIR_DEF}" _filesdir)
     add_definitions(-DFILESDIR="${_filesdir}")

cmake/includechecks.cmake

@@ -0,0 +1,8 @@
+include(CheckIncludeFileCXX)
+
+if(NOT MSVC)
+    check_include_file_cxx(execinfo.h HAVE_EXECINFO_H)
+    if(NOT HAVE_EXECINFO_H)
+        set(HAVE_EXECINFO_H 0)
+    endif()
+endif()

cmake/printInfo.cmake

@@ -15,6 +15,9 @@ message(STATUS "C++ flags (RelWithDebInfo) = ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
 message(STATUS "C++ flags (Debug) =     ${CMAKE_CXX_FLAGS_DEBUG}")
 message(STATUS "CMAKE_EXE_LINKER_FLAGS = ${CMAKE_EXE_LINKER_FLAGS}")
 message(STATUS "CPPCHK_GLIBCXX_DEBUG =  ${CPPCHK_GLIBCXX_DEBUG}")
+if(DEFINED HAVE_EXECINFO_H)
+    message(STATUS "HAVE_EXECINFO_H =       ${HAVE_EXECINFO_H}")
+endif()
 get_directory_property(DirCompileDefs DIRECTORY ${CMAKE_SOURCE_DIR} COMPILE_DEFINITIONS)
 message(STATUS "COMPILE_DEFINITIONS (global) =  ${DirCompileDefs}")
 get_directory_property(DirCompileOptions DIRECTORY ${CMAKE_SOURCE_DIR} COMPILE_OPTIONS)

lib/config.h

@@ -206,9 +206,15 @@
 #define USE_WINDOWS_SEH
 #endif
 
-#if !defined(NO_UNIX_BACKTRACE_SUPPORT) && defined(__GNUC__) && !defined(__APPLE__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__SVR4) && !defined(__QNX__) && !defined(_AIX)
+#if !defined(NO_UNIX_BACKTRACE_SUPPORT)
+#if defined(HAVE_EXECINFO_H)
+#if HAVE_EXECINFO_H
 #define USE_UNIX_BACKTRACE_SUPPORT
 #endif
+#elif defined(__GNUC__) && !defined(__APPLE__) && !defined(__CYGWIN__) && !defined(__MINGW32__) && !defined(__NetBSD__) && !defined(__OpenBSD__) && !defined(__SVR4) && !defined(__QNX__) && !defined(_AIX)
+#define USE_UNIX_BACKTRACE_SUPPORT
+#endif
+#endif
 
 #if !defined(NO_UNIX_SIGNAL_HANDLING) && defined(__GNUC__) && !defined(__MINGW32__) && !defined(__OS2__)
 #define USE_UNIX_SIGNAL_HANDLING