Need only this flag with the library libpcre.dll.a

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

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 6d0cc56..278388c 100644 (file)
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -12,8 +12,14 @@ 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 ")
 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 ")
+else(enable_compile_optimizations)
+        set(optCFLAGS "-O0 ")
 endif(enable_compile_optimizations)
 
 if(NOT enable_debug)
@@ -24,6 +30,11 @@ set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
 
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${custom_flags}")
 
+# Try to make Mac a bit more complient to open source standards
+if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
+endif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+
 if(enable_coverage)
        find_program(GCOV_PATH gcov)
        if(GCOV_PATH)