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Allow building with cmake --compile-no-warning-as-error. (#2401)

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In CMake 3.24+, there is built-in support for adding -Werror that does
not require adding -Werror explicitly, and allows it to be downgraded to
a warning if the user wants that. Use this, to account for warnings that
have false positives.
This commit is contained in:
Harald van Dijk
2025-07-01 21:00:34 +01:00
committed by GitHub
parent 9265cbb2c2
commit 73f22aa23f
4 changed files with 8 additions and 1 deletions
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6
CMakeLists.txt
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@@ -100,7 +100,11 @@ if(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?Clang"
add_cxx_flag_if_supported(-Wmisleading-indentation)
add_cxx_flag_if_supported(-Wunused-function)
add_cxx_flag_if_supported(-Wunused-variable)
add_cxx_flag_if_supported(-Werror)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.24")
set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
else()
add_cxx_flag_if_supported(-Werror)
endif()
if(NOT CMAKE_BUILD_TYPE MATCHES "Release|RelWithDebInfo|MinSizeRel")
# Enable more warnings if not doing a release build.
add_cxx_flag_if_supported(-Wall)