From 60ab090deed8213613643729a7921ef0915ac704 Mon Sep 17 00:00:00 2001 From: Chandler Carruth Date: Wed, 29 Aug 2012 00:13:11 +0000 Subject: Some flag cleanup for the sanitizer runtimes. This hoists most of the CFLAGS into a common variable. It also adds detection for -Wno-c99-extensions and uses it to silence a pile of warnings. Finally, it switches to the proper flag -rdynamic. With this, the cmake build is warning free on my bootstrap Linux build. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@162809 91177308-0d34-0410-b5e6-96231b3b80d8 --- CMakeLists.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'CMakeLists.txt') diff --git a/CMakeLists.txt b/CMakeLists.txt index fc0dd486..088a59aa 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -74,6 +74,22 @@ function(filter_available_targets out_var) set(${out_var} ${archs} PARENT_SCOPE) endfunction() +# Provide some common commmandline flags for Sanitizer runtimes. +set(SANITIZER_COMMON_CFLAGS + -fPIC + -fno-exceptions + -funwind-tables + -fvisibility=hidden + ) +if(SUPPORTS_NO_VARIADIC_MACROS_FLAG) + list(APPEND SANITIZER_COMMON_CFLAGS -Wno-variadic-macros) +endif() +check_cxx_compiler_flag(-Wno-c99-extensions + SUPPORTS_NO_C99_EXTENSIONS_FLAG) +if(SUPPORTS_NO_C99_EXTENSIONS_FLAG) + list(APPEND SANITIZER_COMMON_CFLAGS -Wno-c99-extensions) +endif() + # Because compiler-rt spends a lot of time setting up custom compile flags, # define a handy helper function for it. The compile flags setting in CMake # has serious issues that make its syntax challenging at best. -- cgit v1.2.3