diff options
Diffstat (limited to 'final/runtime/cmake/LibompGetArchitecture.cmake')
| -rw-r--r-- | final/runtime/cmake/LibompGetArchitecture.cmake | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/final/runtime/cmake/LibompGetArchitecture.cmake b/final/runtime/cmake/LibompGetArchitecture.cmake new file mode 100644 index 0000000..536b488 --- /dev/null +++ b/final/runtime/cmake/LibompGetArchitecture.cmake @@ -0,0 +1,70 @@ +# +#//===----------------------------------------------------------------------===// +#// +#// The LLVM Compiler Infrastructure +#// +#// This file is dual licensed under the MIT and the University of Illinois Open +#// Source Licenses. See LICENSE.txt for details. +#// +#//===----------------------------------------------------------------------===// +# + +# Determine the architecture from predefined compiler macros +# The architecture name can only contain alphanumeric characters and underscores (i.e., C identifier) + +# void get_architecture(string* return_arch) +# - Returns the architecture in return_arch +function(libomp_get_architecture return_arch) + set(detect_arch_src_txt " + #if defined(__KNC__) + #error ARCHITECTURE=mic + #elif defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) + #error ARCHITECTURE=x86_64 + #elif defined(__i386) || defined(__i386__) || defined(__IA32__) || defined(_M_I86) || defined(_M_IX86) || defined(__X86__) || defined(_X86_) + #error ARCHITECTURE=i386 + #elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) + #error ARCHITECTURE=arm + #elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6ZK__) + #error ARCHITECTURE=arm + #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__) + #error ARCHITECTURE=arm + #elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) + #error ARCHITECTURE=arm + #elif defined(__ARM_ARCH_3__) || defined(__ARM_ARCH_3M__) + #error ARCHITECTURE=arm + #elif defined(__ARM_ARCH_2__) + #error ARCHITECTURE=arm + #elif defined(__arm__) || defined(_M_ARM) || defined(_ARM) + #error ARCHITECTURE=arm + #elif defined(__aarch64__) + #error ARCHITECTURE=aarch64 + #elif defined(__powerpc64__) && defined(__LITTLE_ENDIAN__) + #error ARCHITECTURE=ppc64le + #elif defined(__powerpc64__) + #error ARCHITECTURE=ppc64 + #elif defined(__mips__) && defined(__mips64) + #error ARCHITECTURE=mips64 + #elif defined(__mips__) && !defined(__mips64) + #error ARCHITECTURE=mips + #else + #error ARCHITECTURE=UnknownArchitecture + #endif + ") + # Write out ${detect_arch_src_txt} to a file within the cmake/ subdirectory + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/libomp_detect_arch.c" ${detect_arch_src_txt}) + + # Try to compile using the C Compiler. It will always error out with an #error directive, so store error output to ${local_architecture} + try_run(run_dummy compile_dummy "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/libomp_detect_arch.c" COMPILE_OUTPUT_VARIABLE local_architecture) + + # Match the important architecture line and store only that matching string in ${local_architecture} + string(REGEX MATCH "ARCHITECTURE=([a-zA-Z0-9_]+)" local_architecture "${local_architecture}") + + # Get rid of the ARCHITECTURE= part of the string + string(REPLACE "ARCHITECTURE=" "" local_architecture "${local_architecture}") + + # set the return value to the architecture detected (e.g., 32e, 32, arm, ppc64, etc.) + set(${return_arch} "${local_architecture}" PARENT_SCOPE) + + # Remove ${detect_arch_src_txt} from cmake/ subdirectory + file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/libomp_detect_arch.c") +endfunction() |