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Improve CMakeLists.txt

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* manage warning flags in a variable, they're reused for
  each profile anyway (but this way profile-specific flags can
  still be added before or after the generic ones)
* added some disable-warning flags specifically for clang
This commit is contained in:
Daniel Gibson 2012-12-23 06:01:06 +01:00
parent cca3053069
commit 7cfe7dd69a
1 changed files with 15 additions and 6 deletions
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21
neo/CMakeLists.txt
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@ -35,12 +35,21 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
add_definitions(-DUSE_EXCEPTIONS)
#endif()
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG -O0 -ggdb -Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
#set(CMAKE_C_FLAGS_DEBUGALL "${CMAKE_C_FLAGS_DEBUGALL} -g -ggdb -D_DEBUG -Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
#set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_PROFILE} -g -ggdb -D_DEBUG -O1 -fno-omit-frame-pointer -Wunknown-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -g -O3 -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -Os -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch")
# the warnings are used for every profile anyway, so put them in a variable
set(my_warn_flags "-Wno-pragmas -fno-strict-aliasing -Wno-unused-variable -Wno-unused-but-set-variable -Wno-switch -Wno-unused-value")
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
# append clang-specific settings for warnings (the second one make sure clang doesn't complain
# about unknown -W flags, like -Wno-unused-but-set-variable)
set(my_warn_flags "${my_warn_flags} -Wno-local-type-template-args -Wno-unknown-warning-option")
endif()
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG -O0 -ggdb -fno-strict-aliasing ${my_warn_flags}")
#set(CMAKE_C_FLAGS_DEBUGALL "${CMAKE_C_FLAGS_DEBUGALL} -g -ggdb -D_DEBUG -fno-strict-aliasing ${my_warn_flags}")
#set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_PROFILE} -g -ggdb -D_DEBUG -O1 -fno-omit-frame-pointer -fno-strict-aliasing ${my_warn_flags}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -fno-strict-aliasing ${my_warn_flags}")
set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -g -O3 -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -fno-strict-aliasing ${my_warn_flags}")
set(CMAKE_C_FLAGS_MINSIZEREL "${CMAKE_C_FLAGS_MINSIZEREL} -Os -ffast-math -fno-unsafe-math-optimizations -fomit-frame-pointer -fno-strict-aliasing ${my_warn_flags}")
set(CMAKE_CXX_FLAGS_DEBUG ${CMAKE_C_FLAGS_DEBUG})
#set(CMAKE_CXX_FLAGS_DEBUGALL ${CMAKE_C_FLAGS_DEBUGALL})