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[Build, cmake] Add -Werror override option (#6429)

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* [Build, cmake] Add -Werror override option

This commit adds FLATBUFFERS_CXX_FLAGS cmake option.
This option allows override the -Werror flag (or any other flags).
Related issues:  #6337, #5930

* Remove CMAKE_CXX_FLAGS replace option
This commit is contained in:
Vladimir Glavnyy
2021-02-11 02:49:34 +07:00
committed by GitHub
parent 0b15916e50
commit 1b88655b00
2 changed files with 28 additions and 0 deletions
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7
CMakeLists.txt
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@@ -284,6 +284,13 @@ elseif(MSVC)
add_definitions("/MP")
endif()
# Append FLATBUFFERS_CXX_FLAGS to CMAKE_CXX_FLAGS.
if(DEFINED FLATBUFFERS_CXX_FLAGS AND NOT EXISTS "${CMAKE_TOOLCHAIN_FILE}")
message(STATUS "extend CXX_FLAGS with ${FLATBUFFERS_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLATBUFFERS_CXX_FLAGS}")
endif()
message(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
if(FLATBUFFERS_CODE_COVERAGE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -fprofile-arcs -ftest-coverage")
set(CMAKE_EXE_LINKER_FLAGS