From 41a9cf5528032dcd598b3760442dab1559b31278 Mon Sep 17 00:00:00 2001
From: Mathieu Faverge <mathieu.faverge@inria.fr>
Date: Mon, 23 Apr 2018 17:32:22 +0200
Subject: [PATCH] Add block to define compilation flags
---
CMakeLists.txt | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 471495fe..debc99e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,6 +33,29 @@ if ( ${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
enable_testing()
include(CTest)
+ include (CheckCCompilerFlag)
+
+ # Set warnings for debug builds
+ check_c_compiler_flag( "-Wall" HAVE_WALL )
+ if( HAVE_WALL )
+ set( C_WFLAGS "${C_WFLAGS} -Wall" )
+ endif( HAVE_WALL )
+ check_c_compiler_flag( "-Wextra" HAVE_WEXTRA )
+ if( HAVE_WEXTRA )
+ set( C_WFLAGS "${C_WFLAGS} -Wextra" )
+ endif( HAVE_WEXTRA )
+
+ set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_WFLAGS}" )
+
+ # add gdb symbols in debug and relwithdebinfo
+ check_c_compiler_flag( "-g3" HAVE_G3 )
+ if( HAVE_G3 )
+ set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g3" )
+ set( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -g3" )
+ else()
+ set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0" )
+ endif( HAVE_G3 )
+
else()
set( BUILD_AS_SUBPROJECT ON )
--
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