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build: enable more warnings for gcc

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Enable implicit-function-declaration and redundant-decls warnings when
compiling with gcc. redundant-decl useful for exported headers.
This commit is contained in:
Bernhard Miklautz 2015-03-03 19:25:42 +01:00
parent b33bba0428
commit 02e6c3932b
1 changed files with 8 additions and 0 deletions
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8
CMakeLists.txt
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@ -175,6 +175,14 @@ if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-format")
endif()
endif()
CHECK_C_COMPILER_FLAG (-Wimplicit-function-declaration Wimplicit-function-declaration)
if(Wimplicit-function-declaration)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wimplicit-function-declaration")
endif()
CHECK_C_COMPILER_FLAG (-Wredundant-decls Wredundant-decls)
if(Wredundant-decls)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wredundant-decls")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Release")
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG")