mirror of https://github.com/libsdl-org/SDL.git
cmake: fall back to per-cpu test when all-in-one test fails
The 'all-in-one' test fails for Emscripten because try_compile does not copy back the actual binary: the wasm file contains the machine parseable strings, not the html or js file(s).
This commit is contained in:
Anonymous Maarten
parent
8f88c32ca6
commit
4b0f52b04e
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@ -1,10 +1,10 @@
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function(SDL_DetectTargetCPUArchitectures DETECTED_ARCHS)
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set(DETECTABLE_ARCHS ARM32 ARM64 EMSCRIPTEN LOONGARCH64 POWERPC32 POWERPC64 X86 X64)
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set(known_archs EMSCRIPTEN ARM32 ARM64 LOONGARCH64 POWERPC32 POWERPC64 X86 X64)
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if(APPLE AND CMAKE_OSX_ARCHITECTURES)
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foreach(arch IN LISTS DETECTABLE_ARCHS)
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set(SDL_CPU_${arch} "0")
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foreach(known_arch IN LISTS known_archs)
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set(SDL_CPU_${known_arch} "0")
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endforeach()
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set(detected_archs)
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foreach(osx_arch IN LISTS CMAKE_OSX_ARCHITECTURES)
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@ -21,9 +21,9 @@ function(SDL_DetectTargetCPUArchitectures DETECTED_ARCHS)
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endif()
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set(detected_archs)
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foreach(arch IN LISTS DETECTABLE_ARCHS)
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if(SDL_CPU_${arch})
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list(APPEND detected_archs "${arch}")
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foreach(known_arch IN LISTS known_archs)
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if(SDL_CPU_${known_arch})
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list(APPEND detected_archs "${known_arch}")
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endif()
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endforeach()
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@ -32,118 +32,114 @@ function(SDL_DetectTargetCPUArchitectures DETECTED_ARCHS)
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return()
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endif()
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set(src_arch_detect [=====[
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set(arch_check_ARM32 "defined(__arm__) || defined(_M_ARM)")
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set(arch_check_ARM64 "defined(__aarch64__) || defined(_M_ARM64)")
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set(arch_check_EMSCRIPTEN "defined(__EMSCRIPTEN__)")
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set(arch_check_LOONGARCH64 "defined(__loongarch64)")
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set(arch_check_POWERPC32 "(defined(__PPC__) || defined(__powerpc__)) && !defined(__powerpc64__)")
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set(arch_check_POWERPC64 "defined(__PPC64__) || defined(__powerpc64__)")
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set(arch_check_X86 "defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)")
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set(arch_check_X64 "defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)")
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#if defined(__arm__) || defined(_M_ARM)
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#define ARCH_ARM32 "1"
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set(src_vars "")
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set(src_main "")
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foreach(known_arch IN LISTS known_archs)
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set(detected_${known_arch} "0")
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string(APPEND src_vars "
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#if ${arch_check_${known_arch}}
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#define ARCH_${known_arch} \"1\"
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#else
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#define ARCH_ARM32 "0"
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#define ARCH_${known_arch} \"0\"
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#endif
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const char *arch_arm32 = "INFO<ARM32=" ARCH_ARM32 ">";
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#if defined(__aarch64__) || defined(_M_ARM64)
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#define ARCH_ARM64 "1"
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#else
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#define ARCH_ARM64 "0"
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#endif
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const char *arch_arm64 = "INFO<ARM64=" ARCH_ARM64 ">";
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#if defined(__EMSCRIPTEN__)
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#define ARCH_EMSCRIPTEN "1"
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#else
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#define ARCH_EMSCRIPTEN "0"
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#endif
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const char *arch_emscripten = "INFO<EMSCRIPTEN=" ARCH_EMSCRIPTEN ">";
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#if defined(__loongarch64)
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#define ARCH_LOONGARCH64 "1"
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#else
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#define ARCH_LOONGARCH64 "0"
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#endif
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const char *arch_loongarch64 = "INFO<LOONGARCH64=" ARCH_LOONGARCH64 ">";
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#if (defined(__PPC__) || defined(__powerpc__)) && !defined(__powerpc64__)
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#define ARCH_POWERPC32 "1"
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#else
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#define ARCH_POWERPC32 "0"
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#endif
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const char *arch_powerpc32 = "INFO<ARCH_POWERPC32=" ARCH_POWERPC32 ">";
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#if defined(__PPC64__) || defined(__powerpc64__)
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#define ARCH_POWERPC64 "1"
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#else
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#define ARCH_POWERPC64 "0"
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#endif
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const char *arch_powerpc64 = "INFO<POWERPC64=" ARCH_POWERPC64 ">";
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#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
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#define ARCH_X86 "1"
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#else
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#define ARCH_X86 "0"
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#endif
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const char *arch_x86 = "INFO<X86=" ARCH_X86 ">";
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#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
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#define ARCH_X64 "1"
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#else
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#define ARCH_X64 "0"
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#endif
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const char *arch_x64 = "INFO<X64=" ARCH_X64 ">";
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const char *arch_${known_arch} = \"INFO<${known_arch}=\" ARCH_${known_arch} \">\";
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")
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string(APPEND src_main "
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result += arch_${known_arch}[argc];")
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endforeach()
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set(src_arch_detect "${src_vars}
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int main(int argc, char *argv[]) {
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(void)argv;
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int result = argc;
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result += arch_arm32[argc];
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result += arch_arm64[argc];
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result += arch_emscripten[argc];
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result += arch_loongarch64[argc];
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result += arch_powerpc32[argc];
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result += arch_powerpc64[argc];
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result += arch_x86[argc];
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result += arch_x64[argc];
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int result = 0;
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${src_main}
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return result;
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}
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]=====])
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}")
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set(path_src_arch_detect "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CMakeTmp/SDL_detect_arch.c")
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file(WRITE "${path_src_arch_detect}" "${src_arch_detect}")
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set(path_dir_arch_detect "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CMakeTmp/SDL_detect_arch")
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set(path_bin_arch_detect "${path_dir_arch_detect}/bin")
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set(detected_archs)
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set(msg "Detecting Target CPU Architecture")
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message(STATUS "${msg}")
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try_compile(COMPILED_RES
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include(CMakePushCheckState)
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cmake_push_check_state(RESET)
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try_compile(SDL_CPU_CHECK_ALL
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"${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/CMakeTmp/SDL_detect_arch"
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SOURCES "${path_src_arch_detect}"
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COPY_FILE "${path_bin_arch_detect}"
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)
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if(NOT COMPILED_RES)
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cmake_pop_check_state()
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if(NOT SDL_CPU_CHECK_ALL)
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message(STATUS "${msg} - <ERROR>")
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message(WARNING "Failed to compile source detecting the target CPU architecture")
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endif()
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else()
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set(re "INFO<([A-Z0-9]+)=([01])>")
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file(STRINGS "${path_bin_arch_detect}" infos REGEX "${re}")
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set(detected_archs)
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foreach(info_arch_01 IN LISTS infos)
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string(REGEX MATCH "${re}" A "${info_arch_01}")
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if(NOT "${CMAKE_MATCH_1}" IN_LIST DETECTABLE_ARCHS)
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if(NOT "${CMAKE_MATCH_1}" IN_LIST known_archs)
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message(WARNING "Unknown architecture: \"${CMAKE_MATCH_1}\"")
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continue()
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endif()
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set(arch "${CMAKE_MATCH_1}")
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set(arch_01 "${CMAKE_MATCH_2}")
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if(arch_01)
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list(APPEND detected_archs "${arch}")
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endif()
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set("SDL_CPU_${arch}" "${arch_01}" CACHE BOOL "Detected architecture ${arch}")
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set(detected_${arch} "${arch_01}")
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endforeach()
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foreach(known_arch IN LISTS known_archs)
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if(detected_${known_arch})
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list(APPEND detected_archs ${known_arch})
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endif()
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endforeach()
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endif()
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if(detected_archs)
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foreach(known_arch IN LISTS known_archs)
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set("SDL_CPU_${known_arch}" "${detected_${known_arch}}" CACHE BOOL "Detected architecture ${known_arch}")
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endforeach()
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message(STATUS "${msg} - ${detected_archs}")
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else()
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include(CheckCSourceCompiles)
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cmake_push_check_state(RESET)
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foreach(known_arch IN LISTS known_archs)
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if(NOT detected_archs)
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set(cache_variable "SDL_CPU_${known_arch}")
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set(test_src "
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int main(int argc, char *argv[]) {
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#if ${arch_check_${known_arch}}
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return 0;
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#else
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choke
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#endif
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}
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")
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check_c_source_compiles("${test_src}" "${cache_variable}")
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if(${cache_variable})
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set(SDL_CPU_${known_arch} "1" CACHE BOOL "Detected architecture ${known_arch}")
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set(detected_archs ${known_arch})
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else()
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set(SDL_CPU_${known_arch} "0" CACHE BOOL "Detected architecture ${known_arch}")
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endif()
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endif()
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endforeach()
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cmake_pop_check_state()
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endif()
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set("${DETECTED_ARCHS}" "${detected_archs}" PARENT_SCOPE)
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endfunction()
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