From: Antonio Ospite Date: Sat, 29 Jun 2013 22:12:59 +0000 (+0200) Subject: CMakeLists.txt: add support for clang and isolate gcc-only options X-Git-Tag: v0.1.4~26 X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/3c1290c4aa1bb9cc5e964b014cee8b6c4034983d?ds=inline;hp=-c CMakeLists.txt: add support for clang and isolate gcc-only options --- 3c1290c4aa1bb9cc5e964b014cee8b6c4034983d diff --git a/CMakeLists.txt b/CMakeLists.txt index 8264845..d908f1c 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -31,7 +31,9 @@ macro(add_flags var) set(${var} "${${var}} ${_flags}") endmacro(add_flags) -if (CMAKE_COMPILER_IS_GNUCC) +string(REGEX MATCH "clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER}") + +if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG) add_definitions(-Wall) # let CFLAGS env override this @@ -63,10 +65,8 @@ if (CMAKE_COMPILER_IS_GNUCC) -Wswitch-enum -Wundef -Wunreachable-code - -Wunsafe-loop-optimizations -Wwrite-strings - -fstack-protector - --param=ssp-buffer-size=4) + -fstack-protector) add_flags(DEBUG_FLAGS -ggdb @@ -79,10 +79,20 @@ if (CMAKE_COMPILER_IS_GNUCC) add_flags(STRICT_FLAGS -Werror # NOTE: Vanilla libusb-1.0.8 can't live with -pedantic-errors - -pedantic-errors + -pedantic-errors) + + endif() +endif() + +if (CMAKE_COMPILER_IS_GNUCC) + add_flags(CMAKE_C_FLAGS + -Wunsafe-loop-optimizations + --param=ssp-buffer-size=4) + + if (STRICT_COMPILATION_CHECKS) + add_flags(STRICT_FLAGS # NOTE: GCC >= 4.6 is needed for -Wunused-but-set-variable -Wunused-but-set-variable) - endif() endif()