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Add support for tcc to cmake (#14464)

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This PR adds support to the cmake build scripts so to allow building SDL with the Tiny C Compiler (tcc).

TinyCC supports the subset of C99 used by SDL and will complete the build once the --version-script linker flag is removed. The changes have been tested with various build configurations, including X11 and Wayland, and using tcc version 0.9.28rc 2025-10-27 mob@f4e01bfc on x86_64 Linux.
This commit is contained in:
tsst-tsst
2025-11-15 20:24:15 +01:00
committed by GitHub
parent 005cb20e67
commit d4bef0d5ba
4 changed files with 23 additions and 8 deletions
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9
cmake/sdlcompilers.cmake
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@@ -3,6 +3,7 @@ macro(SDL_DetectCompiler)
set(USE_GCC FALSE)
set(USE_INTELCC FALSE)
set(USE_QCC FALSE)
set(USE_TCC FALSE)
if(CMAKE_C_COMPILER_ID MATCHES "Clang|IntelLLVM")
set(USE_CLANG TRUE)
# Visual Studio 2019 v16.2 added support for Clang/LLVM.
@@ -16,6 +17,8 @@ macro(SDL_DetectCompiler)
set(USE_INTELCC TRUE)
elseif(CMAKE_C_COMPILER_ID MATCHES "QCC")
set(USE_QCC TRUE)
elseif(CMAKE_C_COMPILER_ID MATCHES "TinyCC")
set(USE_TCC TRUE)
endif()
endmacro()
@@ -39,7 +42,7 @@ function(SDL_AddCommonCompilerFlags TARGET)
cmake_pop_check_state()
endif()
if(USE_GCC OR USE_CLANG OR USE_INTELCC OR USE_QCC)
if(USE_GCC OR USE_CLANG OR USE_INTELCC OR USE_QCC OR USE_TCC)
if(MINGW)
# See if GCC's -gdwarf-4 is supported
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101377 for why this is needed on Windows
@@ -159,6 +162,10 @@ function(SDL_AddCommonCompilerFlags TARGET)
sdl_target_compile_option_all_languages(${TARGET} "-fdiagnostics-color=always")
endif()
endif()
if(USE_TCC)
sdl_target_compile_option_all_languages(${TARGET} "-DSTBI_NO_SIMD")
endif()
endfunction()
function(check_x86_source_compiles BODY VAR)