From 8222bfe56d4dabe8d92fc4b25ea1b0163b16f3e1 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 4 May 2024 16:51:29 -0700
Subject: Initial commit.
---
.../SDL-2.30.2/cmake/CheckCPUArchitecture.cmake | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 src/contrib/SDL-2.30.2/cmake/CheckCPUArchitecture.cmake
(limited to 'src/contrib/SDL-2.30.2/cmake/CheckCPUArchitecture.cmake')
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()
--
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