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quiet -Wmissing-prototypes warnings, and enable this warning by default for C with gcc.

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helps for finding unused functions and making functions static, also did some minor code cleanup.
This commit is contained in:
Campbell Barton
2012-09-15 01:52:28 +00:00
parent 37748b1e08
commit e75f5c8208
87 changed files with 251 additions and 217 deletions
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8
CMakeLists.txt
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@@ -1673,9 +1673,10 @@ if(CMAKE_COMPILER_IS_GNUCC)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_CAST_ALIGN -Wcast-align)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_DECLARATION_AFTER_STATEMENT -Werror=declaration-after-statement)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_IMPLICIT_FUNCTION_DECLARATION -Werror=implicit-function-declaration)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE -Werror=return-type)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ERROR_RETURN_TYPE -Werror=return-type)
# system headers sometimes do this, disable for now, was: -Werror=strict-prototypes
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES -Wstrict-prototypes)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES -Wstrict-prototypes)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_POINTER_ARITH -Wpointer-arith)
@@ -1709,10 +1710,13 @@ if(CMAKE_COMPILER_IS_GNUCC)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# strange, clang complains these are not supported, but then yses them.
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_ALL -Wall)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_UNKNOWN_PRAGMAS -Wno-unknown-pragmas)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_NO_CHAR_SUBSCRIPTS -Wno-char-subscripts)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_STRICT_PROTOTYPES -Wstrict-prototypes)
ADD_CHECK_C_COMPILER_FLAG(C_WARNINGS C_WARN_MISSING_PROTOTYPES -Wmissing-prototypes)
ADD_CHECK_C_COMPILER_FLAG(CXX_WARNINGS C_WARN_ALL -Wall)
ADD_CHECK_C_COMPILER_FLAG(CXX_WARNINGS CXX_WARN_NO_AUTOLOGICAL_COMPARE -Wno-tautological-compare)