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Disable exceptions and RTTI in CMakeLists

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These are two C++ features that we don't need, don't use, and will never
use in the future. Apparently the best way of doing this in CMake is to
fiddle with the CXX_FLAGS using regex.

Now this is one less flag I need to supply myself when I invoke CMake...
This commit is contained in:
Misa 2021-04-16 19:42:26 -07:00 committed by Ethan Lee
parent 83f438d694
commit 390720dacc
1 changed files with 18 additions and 0 deletions
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18
desktop_version/CMakeLists.txt
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@ -250,6 +250,24 @@ if(MSVC)
target_compile_options(VVVVVV PRIVATE /wd4244)
endif()
if(MSVC)
# Disable exceptions
string(REGEX REPLACE "/EH[a-z]+" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHsc")
# Disable RTTI
string(REGEX REPLACE "/GR" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR-")
else()
# Disable exceptions
string(REGEX REPLACE "-fexceptions" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
# Disable RTTI
string(REGEX REPLACE "-frtti" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
endif()
# Unfortunately, it doesn't seem like distros package LodePNG
add_library(lodepng-static STATIC ${PNG_SRC})