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Add GCC/clang-specific CMake options: ASAN, UBSAN, FORCE_COLORED_OUTPUT

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-DASAN=ON   enables the Address Sanitizer (ASan), if supported
-DUBSAN=ON  same for Undefined Behavior Sanitizer (UBSan)
-DFORCE_COLORED_OUTPUT=ON  forces GCC or Clang to use colors in their
                           messages, useful when building with ninja

All three options default to OFF (though when building with make in a
suitable terminal, GCC and clang automatically use colors)

Also modified the cmake_minimum_required() line to shut up deprecation
warnings (though TBH I have no idea if this really still works with
CMake 2.6)
This commit is contained in:
Daniel Gibson 2022-12-29 01:40:20 +01:00
parent 4567f26539
commit a6ba6cb5e5
1 changed files with 30 additions and 5 deletions
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35
neo/CMakeLists.txt
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@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
cmake_minimum_required(VERSION 2.6...3.22 FATAL_ERROR)
project(dhewm3)
# TODO
@ -60,6 +60,17 @@ option(REPRODUCIBLE_BUILD "Replace __DATE__ and __TIME__ by hardcoded values for
option(HARDLINK_GAME "Compile gamecode into executable (no game DLLs)" OFF)
if(NOT MSVC) # GCC/clang or compatible, hopefully
option(FORCE_COLORED_OUTPUT "Always produce ANSI-colored compiler warnings/errors (GCC/Clang only; esp. useful with ninja)." OFF)
option(ASAN "Enable GCC/Clang Adress Sanitizer (ASan)" OFF) # TODO: MSVC might also support this, somehow?
option(UBSAN "Enable GCC/Clang Undefined Behavior Sanitizer (UBSan), implies HARDLINK_GAME" OFF)
if(UBSAN AND NOT HARDLINK_GAME)
message(STATUS "UBSAN requires linking the gamecode into the executable, will enable HARDLINK_GAME")
set(HARDLINK_GAME ON)
endif()
endif()
if(NOT CMAKE_SYSTEM_PROCESSOR)
message(FATAL_ERROR "No target CPU architecture set")
endif()
@ -266,6 +277,14 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
add_compile_options(-march=pentium3)
endif()
if(FORCE_COLORED_OUTPUT)
if(CMAKE_COMPILER_IS_GNUCC)
add_compile_options (-fdiagnostics-color=always)
elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
add_compile_options (-fcolor-diagnostics)
endif ()
endif ()
set(CMAKE_C_FLAGS_DEBUG "-g -ggdb -D_DEBUG -O0")
set(CMAKE_C_FLAGS_DEBUGALL "-g -ggdb -D_DEBUG")
set(CMAKE_C_FLAGS_PROFILE "-g -ggdb -D_DEBUG -O1 -fno-omit-frame-pointer")
@ -281,10 +300,16 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100839)
add_compile_options(-ffp-contract=off)
# uncomment/edit for ASan/UBsan or similar
#add_compile_options(-fsanitize=undefined -fsanitize=address)
#set(sys_libs ${sys_libs} -fsanitize=undefined -fsanitize=address)
if(ASAN)
# if this doesn't work, ASan might not be available on your platform, don't set ASAN then..
add_compile_options(-fsanitize=address)
set(sys_libs ${sys_libs} -fsanitize=address)
endif()
if(UBSAN)
# if this doesn't work, UBSan might not be available on your platform, don't set UBSAN then..
add_compile_options(-fsanitize=undefined)
set(sys_libs ${sys_libs} -fsanitize=undefined)
endif()
if(NOT AROS)
CHECK_CXX_COMPILER_FLAG("-fvisibility=hidden" cxx_has_fvisibility)