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WIP: after cleaning up the code, remove the warnings from compilation flags

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This commit is contained in:
Konstantinos Margaritis 2024-01-18 00:47:44 +02:00
parent b106c10b4d
commit b6e3c66015
1 changed files with 29 additions and 53 deletions
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80
cmake/cflags-generic.cmake
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@ -1,13 +1,13 @@
# set compiler flags - more are tested and added later
set(EXTRA_C_FLAGS "${OPT_C_FLAG} -std=c17 -Wall -Wextra ")#-Wshadow -Wcast-qual -fno-strict-aliasing")
set(EXTRA_CXX_FLAGS "${OPT_CXX_FLAG} -std=c++17 -Wall -Wextra ")# -Wshadow -Wswitch -Wreturn-type -Wcast-qual -Wno-deprecated -Wnon-virtual-dtor -fno-strict-aliasing")
set(EXTRA_C_FLAGS "${OPT_C_FLAG} -std=c17 -Wall -Wextra ")
set(EXTRA_CXX_FLAGS "${OPT_CXX_FLAG} -std=c++17 -Wall -Wextra ")
if (NOT CMAKE_COMPILER_IS_CLANG)
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-new-ttp-matching")
endif()
# Always use -Werror *also during release builds
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wall -Werror -fno-inline")
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wall -Werror -fno-inline")
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wall -Werror")
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wall -Werror")
#if (CMAKE_COMPILER_IS_CLANG)
# if (CMAKE_C_COMPILER_VERSION VERSION_GREATER "13.0")
# set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-unused-but-set-variable")
@ -25,20 +25,9 @@ if(CMAKE_COMPILER_IS_GNUCC)
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-array-bounds ") #-Wno-maybe-uninitialized")
endif()
#if(CMAKE_COMPILER_IS_GNUCXX)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-maybe-uninitialized")
# if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fabi-version=0")
# endif ()
# # don't complain about abi
# set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-abi")
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-abi")
#endif()
#if (NOT(ARCH_IA32 AND RELEASE_BUILD))
# set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -fno-omit-frame-pointer")
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-omit-frame-pointer")
#endif()
if(CMAKE_COMPILER_IS_GNUCXX)
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-maybe-uninitialized -Wno-uninitialized")
endif()
CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
CHECK_FUNCTION_EXISTS(posix_memalign HAVE_POSIX_MEMALIGN)
@ -114,48 +103,35 @@ if (CXX_UNUSED_BUT_SET_VAR)
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-unused-but-set-variable")
endif()
# clang-14 complains about using bitwise operator instead of logical ones.
#CHECK_CXX_COMPILER_FLAG("-Wbitwise-instead-of-logical" CXX_BITWISE_INSTEAD_OF_LOGICAL)
#if (CXX_BITWISE_INSTEAD_OF_LOGICAL)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-bitwise-instead-of-logical")
#endif()
# clang-14 complains about using bitwise operator instead of logical ones.
#CHECK_CXX_COMPILER_FLAG("-Wbitwise-instead-of-logical" CXX_BITWISE_INSTEAD_OF_LOGICAL)
#if (CXX_BITWISE_INSTEAD_OF_LOGICAL)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-bitwise-instead-of-logical")
#endif()
CHECK_CXX_COMPILER_FLAG("-Wignored-attributes" CXX_IGNORED_ATTR)
if (CXX_IGNORED_ATTR)
if(CMAKE_COMPILER_IS_GNUCC)
if (CXX_IGNORED_ATTR)
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-ignored-attributes")
endif()
endif()
# gcc 9 complains about redundant move for returned variable
#CHECK_CXX_COMPILER_FLAG("-Wredundant-move" CXX_REDUNDANT_MOVE)
#if (CXX_REDUNDANT_MOVE)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-redundant-move")
#endif()
CHECK_CXX_COMPILER_FLAG("-Wignored-attributes" CXX_NON_NULL)
if(CMAKE_COMPILER_IS_GNUCC)
if (CXX_NON_NULL)
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-nonnull")
endif()
endif()
# note this for later, g++ doesn't have this flag but clang does
#CHECK_CXX_COMPILER_FLAG("-Wweak-vtables" CXX_WEAK_VTABLES)
#if (CXX_WEAK_VTABLES)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wweak-vtables")
#endif()
CHECK_CXX_COMPILER_FLAG("-Wweak-vtables" CXX_WEAK_VTABLES)
#CHECK_CXX_COMPILER_FLAG("-Wmissing-declarations" CXX_MISSING_DECLARATIONS)
#if (CXX_MISSING_DECLARATIONS)
# set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wmissing-declarations")
#endif()
CHECK_CXX_COMPILER_FLAG("-Wmissing-declarations" CXX_MISSING_DECLARATIONS)
#CHECK_CXX_COMPILER_FLAG("-Wunused-local-typedefs" CXX_UNUSED_LOCAL_TYPEDEFS)
CHECK_CXX_COMPILER_FLAG("-Wunused-local-typedefs" CXX_UNUSED_LOCAL_TYPEDEFS)
#CHECK_CXX_COMPILER_FLAG("-Wunused-variable" CXX_WUNUSED_VARIABLE)
CHECK_CXX_COMPILER_FLAG("-Wunused-variable" CXX_WUNUSED_VARIABLE)
# gcc 10 complains about this
CHECK_C_COMPILER_FLAG("-Wstringop-overflow" CC_STRINGOP_OVERFLOW)
CHECK_CXX_COMPILER_FLAG("-Wstringop-overflow" CXX_STRINGOP_OVERFLOW)
if(CC_STRINGOP_OVERFLOW OR CXX_STRINGOP_OVERFLOW)
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-stringop-overflow")
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-stringop-overflow")
# gcc complains about this
if(CMAKE_COMPILER_IS_GNUCC)
CHECK_C_COMPILER_FLAG("-Wstringop-overflow" CC_STRINGOP_OVERFLOW)
CHECK_CXX_COMPILER_FLAG("-Wstringop-overflow" CXX_STRINGOP_OVERFLOW)
if(CC_STRINGOP_OVERFLOW OR CXX_STRINGOP_OVERFLOW)
set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-stringop-overflow -Wno-stringop-overread")
set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-stringop-overflow -Wno-stringop-overread")
endif()
endif()