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cmake: gcc: allow build with GCC < 4.4

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Prior to 4.4, -Wuninitialized could only be used with -O.
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Orgad Shaneh 2020-08-30 09:28:35 +03:00 • committed by Andy Green
parent 87c83ab129
commit a74e4bcc78
1 changed files with 8 additions and 5 deletions
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13
CMakeLists.txt
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@ -1755,11 +1755,14 @@ if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS "-Wtype-limits ${CMAKE_C_FLAGS}" )
endif()
if (UNIX AND NOT LWS_PLAT_FREERTOS)
set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wstrict-aliasing -Wuninitialized -Werror ${VISIBILITY_FLAG} -Wundef ${GCOV_FLAGS} ${CMAKE_C_FLAGS} ${ASAN_FLAGS}" )
else()
set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wuninitialized -Werror ${VISIBILITY_FLAG} ${GCOV_FLAGS} ${CMAKE_C_FLAGS}" )
endif()
if (CMAKE_COMPILER_IS_CLANG OR CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.3)
set(CMAKE_C_FLAGS "-Wuninitialized ${CMAKE_C_FLAGS}")
endif()
if (UNIX AND NOT LWS_PLAT_FREERTOS)
set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Wstrict-aliasing -Werror ${VISIBILITY_FLAG} -Wundef ${GCOV_FLAGS} ${CMAKE_C_FLAGS} ${ASAN_FLAGS}" )
else()
set(CMAKE_C_FLAGS "-Wall -Wsign-compare -Werror ${VISIBILITY_FLAG} ${GCOV_FLAGS} ${CMAKE_C_FLAGS}" )
endif()
endif ()
if (LWS_PLAT_OPTEE)