Enable warnings iff enable_compile_warnings=ON.

[simgrid.git] / buildtools / Cmake / Flags.cmake

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 41e84a0..c954d2e 100644 (file)
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -10,15 +10,17 @@ else(NOT __VISUALC__ AND NOT __BORLANDC__)
 endif(NOT __VISUALC__ AND NOT __BORLANDC__)
 
 if(enable_compile_warnings)
-       set(warnCFLAGS "-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
+       set(warnCFLAGS "-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Werror=clobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
+    if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
+        set(warnCFLAGS "${warnCFLAGS} -Wno-error=unused-but-set-variable ")
+    endif(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
 endif(enable_compile_warnings)
 
-if(enable_compile_warnings AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
-    set(warnCFLAGS "${warnCFLAGS} -Wno-error=unused-but-set-variable ")
-endif(enable_compile_warnings AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
-
 if(enable_compile_optimizations)
        set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
+       if(${COMPILER_C_VERSION_MAJOR_MINOR} STRGREATER "4.5")
+           set(optCFLAGS "${optCFLAGS}-flto ")
+       endif(${COMPILER_C_VERSION_MAJOR_MINOR} STRGREATER "4.5")
 else(enable_compile_optimizations)
         set(optCFLAGS "-O0 ")
 endif(enable_compile_optimizations)
@@ -51,6 +53,6 @@ if(enable_coverage)
                set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
                set(TESH_OPTION --enable-coverage)
                add_definitions(-fprofile-arcs -ftest-coverage)
-               endif(GCOV_PATH)
+       endif(GCOV_PATH)
 endif(enable_coverage)