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llvm-openmp: match the output of FindOpenMP.cmake
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| # Loosely based on https://github.com/Kitware/CMake/blob/69b562c/Modules/FindOpenMP.cmake | ||
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| set(OpenMP_C_FLAGS "@OpenMP_FLAGS@") | ||
| set(OpenMP_C_INCLUDE_DIR "${OpenMP_INCLUDE_DIR}") | ||
| set(OpenMP_C_INCLUDE_DIRS "${OpenMP_INCLUDE_DIRS}") | ||
| set(OpenMP_C_LIB_NAMES "@OpenMP_LIB_NAMES@") | ||
| set(OpenMP_C_LIBRARIES "${OpenMP_LIBRARIES}") | ||
| set(OpenMP_C_DEFINITIONS "${OpenMP_DEFINITIONS}") | ||
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| set(OpenMP_CXX_FLAGS "@OpenMP_FLAGS@") | ||
| set(OpenMP_CXX_INCLUDE_DIR "${OpenMP_INCLUDE_DIR}") | ||
| set(OpenMP_CXX_INCLUDE_DIRS "${OpenMP_INCLUDE_DIRS}") | ||
| set(OpenMP_CXX_LIB_NAMES "@OpenMP_LIB_NAMES@") | ||
| set(OpenMP_CXX_LIBRARIES "${OpenMP_LIBRARIES}") | ||
| set(OpenMP_CXX_DEFINITIONS "${OpenMP_DEFINITIONS}") | ||
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| set(OpenMP_omp_LIBRARY "${OpenMP_LIBRARIES}") | ||
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| set(OpenMP_FOUND FALSE) | ||
| set(OPENMP_FOUND FALSE) | ||
| set(OPENMP_FOUND FALSE) | ||
| set(OpenMP_C_FOUND FALSE) | ||
| set(OpenMP_CXX_FOUND FALSE) | ||
| set(OpenMP_Fortran_FOUND FALSE) | ||
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| # Determine OpenMP specification date and version | ||
| function(_openmp_get_spec_date) | ||
| set(SRC_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindOpenMP/ompver.c") | ||
| set(BIN_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/FindOpenMP/ompver.bin") | ||
| file(WRITE "${SRC_FILE}" " | ||
| #include <stdio.h> | ||
| #include <omp.h> | ||
| #define STRINGIFY(x) #x | ||
| #define TO_STRING(x) STRINGIFY(x) | ||
| const char ompver_str[] = \"INFO:OpenMP-date[\" TO_STRING(_OPENMP) \"]\"; | ||
| int main(void) | ||
| { | ||
| puts(ompver_str); | ||
| return 0; | ||
| } | ||
| ") | ||
| try_compile(OpenMP_SPECTEST | ||
| SOURCES "${SRC_FILE}" | ||
| LOG_DESCRIPTION "Detecting OpenMP version" | ||
| CMAKE_FLAGS | ||
| "-DCOMPILE_DEFINITIONS:STRING=${OpenMP_C_FLAGS}" | ||
| "-DINCLUDE_DIRECTORIES:STRING=${OpenMP_INCLUDE_DIR}" | ||
| "-DLINK_DIRECTORIES:STRING=${OpenMP_INCLUDE_DIR}/../lib" | ||
| "-DLINK_LIBRARIES:STRING=${OpenMP_C_LIB_NAMES}" | ||
| COPY_FILE "${BIN_FILE}" | ||
| ) | ||
| file(STRINGS ${BIN_FILE} specstr LIMIT_COUNT 1 REGEX "INFO:OpenMP-date") | ||
| if(specstr MATCHES ".*INFO:OpenMP-date\\[0*([^]]*)\\].*") | ||
| set(OpenMP_SPEC_DATE ${CMAKE_MATCH_1} PARENT_SCOPE) | ||
| else() | ||
| if(OpenMP_FIND_REQUIRED) | ||
| message(FATAL_ERROR "Failed to detect OpenMP specification date") | ||
| elseif(NOT OpenMP_FIND_QUIETLY) | ||
| message(SEND_ERROR "Failed to detect OpenMP specification date") | ||
| endif() | ||
| return() | ||
| endif() | ||
| endfunction() | ||
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| function(_openmp_set_version_by_spec_date) | ||
| set(OpenMP_SPEC_DATE_MAP | ||
| "202111=5.2" | ||
| "202011=5.1" | ||
| "201811=5.0" | ||
| "201511=4.5" | ||
| "201307=4.0" | ||
| "201107=3.1" | ||
| "200805=3.0" | ||
| "200505=2.5" | ||
| "200203=2.0" | ||
| "200011=2.0" | ||
| "199911=1.1" | ||
| ) | ||
| if(OpenMP_SPEC_DATE_MAP MATCHES "${OpenMP_SPEC_DATE}=([0-9]+)\\.([0-9]+)") | ||
| set(major "${CMAKE_MATCH_1}") | ||
| set(minor "${CMAKE_MATCH_2}") | ||
| else() | ||
| if(OpenMP_FIND_REQUIRED) | ||
| message(FATAL_ERROR "Failed to detect OpenMP specification version") | ||
| elseif(NOT OpenMP_FIND_QUIETLY) | ||
| message(SEND_ERROR "Failed to detect OpenMP specification version") | ||
| endif() | ||
| return() | ||
| endif() | ||
| set(OpenMP_VERSION_MAJOR "${major}" PARENT_SCOPE) | ||
| set(OpenMP_VERSION_MINOR "${minor}" PARENT_SCOPE) | ||
| set(OpenMP_VERSION "${major}.${minor}" PARENT_SCOPE) | ||
| endfunction() | ||
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| _openmp_get_spec_date() | ||
| _openmp_set_version_by_spec_date() | ||
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| set(OpenMP_C_FOUND TRUE) | ||
| set(OpenMP_C_SPEC_DATE "${OpenMP_SPEC_DATE}") | ||
| set(OpenMP_C_VERSION_MAJOR "${OpenMP_VERSION_MAJOR}") | ||
| set(OpenMP_C_VERSION_MINOR "${OpenMP_VERSION_MINOR}") | ||
| set(OpenMP_C_VERSION "${OpenMP_VERSION}") | ||
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| set(OpenMP_CXX_FOUND TRUE) | ||
| set(OpenMP_CXX_SPEC_DATE "${OpenMP_SPEC_DATE}") | ||
| set(OpenMP_CXX_VERSION_MAJOR "${OpenMP_VERSION_MAJOR}") | ||
| set(OpenMP_CXX_VERSION_MINOR "${OpenMP_VERSION_MINOR}") | ||
| set(OpenMP_CXX_VERSION "${OpenMP_VERSION}") | ||
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| # Check specification version against the requested min version, validate components | ||
| include(FindPackageHandleStandardArgs) | ||
| find_package_handle_standard_args(OpenMP | ||
| VERSION_VAR OpenMP_C_VERSION | ||
| REQUIRED_VARS | ||
| OpenMP_C_FLAGS | ||
| OpenMP_C_LIB_NAMES | ||
| OpenMP_C_SPEC_DATE | ||
| OpenMP_C_VERSION | ||
| OpenMP_CXX_FLAGS | ||
| OpenMP_CXX_LIB_NAMES | ||
| OpenMP_CXX_SPEC_DATE | ||
| OpenMP_CXX_VERSION | ||
| HANDLE_COMPONENTS | ||
| ) | ||
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| set(OPENMP_FOUND ${OpenMP_FOUND}) | ||
| set(OpenMP_C_FOUND ${OpenMP_FOUND}) | ||
| set(OpenMP_CXX_FOUND ${OpenMP_FOUND}) |
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