Initial commit.

1 files changed, 42 insertions, 0 deletions

diff --git a/src/contrib/SDL-2.30.2/cmake/CheckCPUArchitecture.cmake b/src/contrib/SDL-2.30.2/cmake/CheckCPUArchitecture.cmake
new file mode 100644
index 0000000..7e3e459
--- /dev/null
+++ b/src/contrib/SDL-2.30.2/cmake/CheckCPUArchitecture.cmake
@@ -0,0 +1,42 @@
+include(CheckCSourceCompiles)

+include(CMakePushCheckState)

+

+function(_internal_check_cpu_architecture macro_check NAME VARIABLE)

+  cmake_push_check_state(RESET)

+  string(TOUPPER "${NAME}" UPPER_NAME)

+  set(CACHE_VARIABLE "CHECK_CPU_ARCHITECTURE_${UPPER_NAME}")

+  set(test_src "

+int main(int argc, char *argv[]) {

+#if ${macro_check}

+  return 0;

+#else

+  choke

+#endif

+}

+")

+  check_c_source_compiles("${test_src}" "${CACHE_VARIABLE}")

+  cmake_pop_check_state()

+  if(${CACHE_VARIABLE})

+    set(${VARIABLE} "TRUE" PARENT_SCOPE)

+  else()

+    set(${VARIABLE} "FALSE" PARENT_SCOPE)

+  endif()

+endfunction()

+

+function(check_cpu_architecture ARCH VARIABLE)

+  if(ARCH STREQUAL "x86")

+    _internal_check_cpu_architecture("defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)" x86 ${VARIABLE})

+  elseif(ARCH STREQUAL "x64")

+    _internal_check_cpu_architecture("defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)" x64 ${VARIABLE})

+  elseif(ARCH STREQUAL "arm32")

+    _internal_check_cpu_architecture("defined(__arm__) || defined(_M_ARM)" arm32 ${VARIABLE})

+  elseif(ARCH STREQUAL "arm64")

+    _internal_check_cpu_architecture("defined(__aarch64__) || defined(_M_ARM64)" arm64 ${VARIABLE})

+  elseif(ARCH STREQUAL "loongarch64")

+    _internal_check_cpu_architecture("defined(__loongarch64)" loongarch64 ${VARIABLE})

+  else()

+    message(WARNING "Unknown CPU architectures (${ARCH}).")

+    set(${VARIABLE} FALSE)

+  endif()

+  set("${VARIABLE}" "${${VARIABLE}}" PARENT_SCOPE)

+endfunction()