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Add FORCE_COLORED_OUTPUT option (for GCC and Clang) to CMakeLists.txt

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To enforce colorful compiler warnings when building with Ninja
(and GCC/Clang) on Linux and similar platforms.

Taken from dhewm3 (where I implemented it).
This commit is contained in:
Daniel Gibson 2024-04-21 18:21:42 +02:00
parent 84938fc52f
commit f61f34971d
1 changed files with 26 additions and 0 deletions
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26
CMakeLists.txt
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@ -2,11 +2,37 @@ cmake_minimum_required(VERSION 3.19)
project(Descent3 VERSION 1.5.500) project(Descent3 VERSION 1.5.500)
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)
endif()
set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON) set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_CXX_EXTENSIONS OFF)
if(NOT MSVC)
# check if this is some kind of clang (Clang, AppleClang, whatever)
# (convert compiler ID to lowercase so we match Clang, clang, AppleClang etc, regardless of case)
string(TOLOWER ${CMAKE_CXX_COMPILER_ID} compiler_id_lower)
if(compiler_id_lower MATCHES ".*clang.*")
message(STATUS "Compiler \"${CMAKE_CXX_COMPILER_ID}\" detected as some kind of clang")
set(D3_COMPILER_IS_CLANG TRUE)
set(D3_COMPILER_IS_GCC_OR_CLANG TRUE)
elseif(CMAKE_COMPILER_IS_GNUCC)
set(D3_COMPILER_IS_GCC_OR_CLANG TRUE)
endif()
unset(compiler_id_lower)
if(FORCE_COLORED_OUTPUT)
if(CMAKE_COMPILER_IS_GNUCC)
add_compile_options (-fdiagnostics-color=always)
elseif(D3_COMPILER_IS_CLANG)
add_compile_options (-fcolor-diagnostics)
endif ()
endif ()
endif()
if(UNIX) if(UNIX)
set(D3_GAMEDIR "~/Descent3/") set(D3_GAMEDIR "~/Descent3/")