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Meta: Enable -Wmissing-declarations

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Concludes #3096.

Phew! From here on, build system and CI will ensure that all new code
defines compilation-unit-only code as 'static', and that dead code can
be found more easily. Also, this style encourages type checking
by suggesting that you put a proper declaration in a shared header.
This commit is contained in:
Ben Wiederhake 2020-08-12 02:21:30 +02:00 • committed by Andreas Kling
parent d063dc1e71
commit 1d638c6a78
1 changed files with 1 additions and 1 deletions
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2
CMakeLists.txt
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@ -40,7 +40,7 @@ add_custom_target(check-style
USES_TERMINAL
)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -std=c++2a -fdiagnostics-color=always")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -Wmissing-declarations -std=c++2a -fdiagnostics-color=always")
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fconcepts")
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")