CLI11Warnings.cmake
1.17 KB
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# Special target that adds warnings. Is not exported.
add_library(CLI11_warnings INTERFACE)
set(unix-warnings -Wall -Wextra -pedantic -Wshadow -Wsign-conversion -Wswitch-enum)
# Clang warnings
# -Wfloat-equal could be added with Catch::literals and _a usage
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
list(
APPEND
unix-warnings
-Wcast-align
-Wimplicit-atomic-properties
-Wmissing-declarations
-Woverlength-strings
-Wshadow
-Wstrict-selector-match
-Wundeclared-selector)
# -Wunreachable-code Doesn't work on Clang 3.4
endif()
# Buggy in GCC 4.8
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
list(APPEND unix-warnings -Weffc++)
endif()
target_compile_options(
CLI11_warnings
INTERFACE $<$<BOOL:${CLI11_FORCE_LIBCXX}>:-stdlib=libc++>
$<$<CXX_COMPILER_ID:MSVC>:/W4
$<$<BOOL:${CLI11_WARNINGS_AS_ERRORS}>:/WX>>
$<$<NOT:$<CXX_COMPILER_ID:MSVC>>:${unix-warnings}
$<$<BOOL:${CLI11_WARNINGS_AS_ERRORS}>:-Werror>>)
if(NOT CMAKE_VERSION VERSION_LESS 3.13)
target_link_options(CLI11_warnings INTERFACE $<$<BOOL:${CLI11_FORCE_LIBCXX}>:-stdlib=libc++>)
endif()