flac/cmake/CheckCPUArch.cmake
Martijn van Beurden ba5172e554
Remove all PPC-specific code (and a mention of SPARC)
As it turns out that the PPC-specific code provides no benefit with
modern, autovectorizing compilers, and given that there is a lot of
cruft surrounding the PPC-specific parts, remove all of it.

See also https://lists.xiph.org/pipermail/flac-dev/2022-December/006620.html
2023-01-27 19:02:36 +01:00

28 lines
1.4 KiB
CMake

macro(_CHECK_CPU_ARCH ARCH ARCH_DEFINES VARIABLE)
if(NOT DEFINED HAVE_${VARIABLE})
message(STATUS "Check CPU architecture is ${ARCH}")
set(CHECK_CPU_ARCH_DEFINES ${ARCH_DEFINES})
configure_file(${PROJECT_SOURCE_DIR}/cmake/CheckCPUArch.c.in ${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckCPUArch.c @ONLY)
try_compile(HAVE_${VARIABLE} "${PROJECT_BINARY_DIR}"
"${PROJECT_BINARY_DIR}/CMakeFiles/CMakeTmp/CheckCPUArch.c")
if(HAVE_${VARIABLE})
message(STATUS "Check CPU architecture is ${ARCH} - yes")
set(${VARIABLE} 1 CACHE INTERNAL "Result of CHECK_CPU_ARCH" FORCE)
else ()
message(STATUS "Check CPU architecture is ${ARCH} - no")
endif()
endif ()
endmacro(_CHECK_CPU_ARCH)
macro(CHECK_CPU_ARCH_X64 VARIABLE)
_CHECK_CPU_ARCH(x64 "defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)" ${VARIABLE})
endmacro(CHECK_CPU_ARCH_X64)
macro(CHECK_CPU_ARCH_X86 VARIABLE)
_CHECK_CPU_ARCH(x86 "defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)" ${VARIABLE})
endmacro(CHECK_CPU_ARCH_X86)
macro(CHECK_CPU_ARCH_ARM64 VARIABLE)
_CHECK_CPU_ARCH(arm64 "defined(__aarch64__) || defined(__arm64__)" ${VARIABLE})
endmacro(CHECK_CPU_ARCH_ARM64)