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dont ise -Wuninitialized on gcc 4.2 and older, it gives annoying warnings.

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Campbell Barton 2012-10-20 13:29:07 +00:00
parent d36dc6d8de
commit a9e2e22797
1 changed files with 10 additions and 2 deletions
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12
CMakeLists.txt
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@ -1857,12 +1857,16 @@ if(CMAKE_COMPILER_IS_GNUCC)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_WRITE_STRINGS -Wwrite-strings)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_LOGICAL_OP -Wlogical-op)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNDEF -Wundef)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_INIT_SELF -Winit-self) # needs -Wuninitialized
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_NULL -Wnonnull) # C only
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
# gcc 4.2 gives annoying warnings on every file with this
if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER "4.2")
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_UNINITIALIZED -Wuninitialized)
endif()
# disable because it gives warnings for printf() & friends.
# ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_DOUBLE_PROMOTION -Wdouble-promotion -Wno-error=double-promotion)
@ -1874,11 +1878,15 @@ if(CMAKE_COMPILER_IS_GNUCC)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_INVALID_OFFSETOF -Wno-invalid-offsetof)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_SIGN_COMPARE -Wno-sign-compare)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_LOGICAL_OP -Wlogical-op)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_INIT_SELF -Winit-self) # needs -Wuninitialized
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_MISSING_INCLUDE_DIRS -Wmissing-include-dirs)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_DIV_BY_ZERO -Wno-div-by-zero)
# gcc 4.2 gives annoying warnings on every file with this
if (${CMAKE_C_COMPILER_VERSION} VERSION_GREATER "4.2")
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNINITIALIZED -Wuninitialized)
endif()
# causes too many warnings
if(NOT APPLE)
ADD_CHECK_CXX_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_UNDEF -Wundef)