diff options
Diffstat (limited to 'share/cmake-3.16/Modules/CMakeDetermineFortranCompiler.cmake')
-rw-r--r-- | share/cmake-3.16/Modules/CMakeDetermineFortranCompiler.cmake | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/share/cmake-3.16/Modules/CMakeDetermineFortranCompiler.cmake b/share/cmake-3.16/Modules/CMakeDetermineFortranCompiler.cmake new file mode 100644 index 0000000..5ddd64f --- /dev/null +++ b/share/cmake-3.16/Modules/CMakeDetermineFortranCompiler.cmake @@ -0,0 +1,290 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + + +# determine the compiler to use for Fortran programs +# NOTE, a generator may set CMAKE_Fortran_COMPILER before +# loading this file to force a compiler. +# use environment variable FC first if defined by user, next use +# the cmake variable CMAKE_GENERATOR_FC which can be defined by a generator +# as a default compiler + +include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake) +include(Platform/${CMAKE_SYSTEM_NAME}-Determine-Fortran OPTIONAL) +include(Platform/${CMAKE_SYSTEM_NAME}-Fortran OPTIONAL) +if(NOT CMAKE_Fortran_COMPILER_NAMES) + set(CMAKE_Fortran_COMPILER_NAMES f95) +endif() + +if(${CMAKE_GENERATOR} MATCHES "Visual Studio") +elseif("${CMAKE_GENERATOR}" MATCHES "Xcode") + set(CMAKE_Fortran_COMPILER_XCODE_TYPE sourcecode.fortran.f90) + _cmake_find_compiler_path(Fortran) +else() + if(NOT CMAKE_Fortran_COMPILER) + # prefer the environment variable CC + if(NOT $ENV{FC} STREQUAL "") + get_filename_component(CMAKE_Fortran_COMPILER_INIT $ENV{FC} PROGRAM PROGRAM_ARGS CMAKE_Fortran_FLAGS_ENV_INIT) + if(CMAKE_Fortran_FLAGS_ENV_INIT) + set(CMAKE_Fortran_COMPILER_ARG1 "${CMAKE_Fortran_FLAGS_ENV_INIT}" CACHE STRING "First argument to Fortran compiler") + endif() + if(EXISTS ${CMAKE_Fortran_COMPILER_INIT}) + else() + message(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.") + endif() + endif() + + # next try prefer the compiler specified by the generator + if(CMAKE_GENERATOR_FC) + if(NOT CMAKE_Fortran_COMPILER_INIT) + set(CMAKE_Fortran_COMPILER_INIT ${CMAKE_GENERATOR_FC}) + endif() + endif() + + # finally list compilers to try + if(NOT CMAKE_Fortran_COMPILER_INIT) + # Known compilers: + # f77/f90/f95: generic compiler names + # ftn: Cray fortran compiler wrapper + # g77: GNU Fortran 77 compiler + # gfortran: putative GNU Fortran 95+ compiler (in progress) + # fort77: native F77 compiler under HP-UX (and some older Crays) + # frt: Fujitsu F77 compiler + # pathf90/pathf95/pathf2003: PathScale Fortran compiler + # pgf77/pgf90/pgf95/pgfortran: Portland Group F77/F90/F95 compilers + # flang: Flang Fortran compiler + # xlf/xlf90/xlf95: IBM (AIX) F77/F90/F95 compilers + # lf95: Lahey-Fujitsu F95 compiler + # fl32: Microsoft Fortran 77 "PowerStation" compiler + # af77: Apogee F77 compiler for Intergraph hardware running CLIX + # epcf90: "Edinburgh Portable Compiler" F90 + # fort: Compaq (now HP) Fortran 90/95 compiler for Tru64 and Linux/Alpha + # ifc: Intel Fortran 95 compiler for Linux/x86 + # efc: Intel Fortran 95 compiler for IA64 + # nagfor: NAG Fortran compiler + # + # The order is 95 or newer compilers first, then 90, + # then 77 or older compilers, gnu is always last in the group, + # so if you paid for a compiler it is picked by default. + if(CMAKE_HOST_WIN32) + set(CMAKE_Fortran_COMPILER_LIST + ifort pgf95 pgfortran lf95 fort + flang gfortran gfortran-4 g95 f90 pgf90 + pgf77 g77 f77 nag + ) + else() + set(CMAKE_Fortran_COMPILER_LIST + ftn + ifort ifc efc pgf95 pgfortran lf95 xlf95 fort + flang gfortran gfortran-4 g95 f90 pgf90 + frt pgf77 xlf g77 f77 nag + ) + endif() + + # Vendor-specific compiler names. + set(_Fortran_COMPILER_NAMES_GNU gfortran gfortran-4 g95 g77) + set(_Fortran_COMPILER_NAMES_Intel ifort ifc efc) + set(_Fortran_COMPILER_NAMES_Absoft af95 af90 af77) + set(_Fortran_COMPILER_NAMES_PGI pgf95 pgfortran pgf90 pgf77) + set(_Fortran_COMPILER_NAMES_Flang flang) + set(_Fortran_COMPILER_NAMES_PathScale pathf2003 pathf95 pathf90) + set(_Fortran_COMPILER_NAMES_XL xlf) + set(_Fortran_COMPILER_NAMES_VisualAge xlf95 xlf90 xlf) + set(_Fortran_COMPILER_NAMES_NAG nagfor) + endif() + + _cmake_find_compiler(Fortran) + + else() + _cmake_find_compiler_path(Fortran) + endif() + mark_as_advanced(CMAKE_Fortran_COMPILER) + + # Each entry in this list is a set of extra flags to try + # adding to the compile line to see if it helps produce + # a valid identification executable. + set(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS_FIRST + # Get verbose output to help distinguish compilers. + "-v" + ) + set(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS + # Try compiling to an object file only. + "-c" + + # Intel on windows does not preprocess by default. + "-fpp" + ) +endif() + +# Build a small source file to identify the compiler. +if(NOT CMAKE_Fortran_COMPILER_ID_RUN) + set(CMAKE_Fortran_COMPILER_ID_RUN 1) + + # Table of per-vendor compiler output regular expressions. + list(APPEND CMAKE_Fortran_COMPILER_ID_MATCH_VENDORS CCur) + set(CMAKE_Fortran_COMPILER_ID_MATCH_VENDOR_REGEX_CCur "Concurrent Fortran [0-9]+ Compiler") + + # Table of per-vendor compiler id flags with expected output. + list(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS Compaq) + set(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_Compaq "-what") + set(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_Compaq "Compaq Visual Fortran") + list(APPEND CMAKE_Fortran_COMPILER_ID_VENDORS NAG) # Numerical Algorithms Group + set(CMAKE_Fortran_COMPILER_ID_VENDOR_FLAGS_NAG "-V") + set(CMAKE_Fortran_COMPILER_ID_VENDOR_REGEX_NAG "NAG Fortran Compiler") + + # Match the link line from xcodebuild output of the form + # Ld ... + # ... + # /path/to/cc ...CompilerIdFortran/... + # to extract the compiler front-end for the language. + set(CMAKE_Fortran_COMPILER_ID_TOOL_MATCH_REGEX "\nLd[^\n]*(\n[ \t]+[^\n]*)*\n[ \t]+([^ \t\r\n]+)[^\r\n]*-o[^\r\n]*CompilerIdFortran/(\\./)?(CompilerIdFortran.xctest/)?CompilerIdFortran[ \t\n\\\"]") + set(CMAKE_Fortran_COMPILER_ID_TOOL_MATCH_INDEX 2) + + set(_version_info "") + foreach(m MAJOR MINOR PATCH TWEAK) + set(_COMP "_${m}") + string(APPEND _version_info " +#if defined(COMPILER_VERSION${_COMP})") + foreach(d 1 2 3 4 5 6 7 8) + string(APPEND _version_info " +# undef DEC +# undef HEX +# define DEC(n) DEC_${d}(n) +# define HEX(n) HEX_${d}(n) +# if COMPILER_VERSION${_COMP} == 0 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[0]' +# elif COMPILER_VERSION${_COMP} == 1 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[1]' +# elif COMPILER_VERSION${_COMP} == 2 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[2]' +# elif COMPILER_VERSION${_COMP} == 3 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[3]' +# elif COMPILER_VERSION${_COMP} == 4 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[4]' +# elif COMPILER_VERSION${_COMP} == 5 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[5]' +# elif COMPILER_VERSION${_COMP} == 6 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[6]' +# elif COMPILER_VERSION${_COMP} == 7 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[7]' +# elif COMPILER_VERSION${_COMP} == 8 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[8]' +# elif COMPILER_VERSION${_COMP} == 9 + PRINT *, 'INFO:compiler_version${_COMP}_digit_${d}[9]' +# endif +") + endforeach() + string(APPEND _version_info " +#endif") + endforeach() + set(CMAKE_Fortran_COMPILER_ID_VERSION_INFO "${_version_info}") + unset(_version_info) + unset(_COMP) + + # Try to identify the compiler. + set(CMAKE_Fortran_COMPILER_ID) + include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake) + CMAKE_DETERMINE_COMPILER_ID(Fortran FFLAGS CMakeFortranCompilerId.F) + + # Fall back to old is-GNU test. + if(NOT CMAKE_Fortran_COMPILER_ID) + execute_process(COMMAND ${CMAKE_Fortran_COMPILER} ${CMAKE_Fortran_COMPILER_ID_FLAGS_LIST} -E "${CMAKE_ROOT}/Modules/CMakeTestGNU.c" + OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RESULT_VARIABLE CMAKE_COMPILER_RETURN) + if(NOT CMAKE_COMPILER_RETURN) + if(CMAKE_COMPILER_OUTPUT MATCHES "THIS_IS_GNU") + set(CMAKE_Fortran_COMPILER_ID "GNU") + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Determining if the Fortran compiler is GNU succeeded with " + "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") + else() + file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log + "Determining if the Fortran compiler is GNU failed with " + "the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n") + endif() + if(NOT CMAKE_Fortran_PLATFORM_ID) + if(CMAKE_COMPILER_OUTPUT MATCHES "THIS_IS_MINGW") + set(CMAKE_Fortran_PLATFORM_ID "MinGW") + endif() + if(CMAKE_COMPILER_OUTPUT MATCHES "THIS_IS_CYGWIN") + set(CMAKE_Fortran_PLATFORM_ID "Cygwin") + endif() + endif() + endif() + endif() + + # Fall back for GNU MINGW, which is not always detected correctly + # (__MINGW32__ is defined for the C language, but perhaps not for Fortran!) + if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU" AND NOT CMAKE_Fortran_PLATFORM_ID) + execute_process(COMMAND ${CMAKE_Fortran_COMPILER} ${CMAKE_Fortran_COMPILER_ID_FLAGS_LIST} -E "${CMAKE_ROOT}/Modules/CMakeTestGNU.c" + OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RESULT_VARIABLE CMAKE_COMPILER_RETURN) + if(NOT CMAKE_COMPILER_RETURN) + if(CMAKE_COMPILER_OUTPUT MATCHES "THIS_IS_MINGW") + set(CMAKE_Fortran_PLATFORM_ID "MinGW") + endif() + if(CMAKE_COMPILER_OUTPUT MATCHES "THIS_IS_CYGWIN") + set(CMAKE_Fortran_PLATFORM_ID "Cygwin") + endif() + endif() + endif() + + # Set old compiler and platform id variables. + if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU") + set(CMAKE_COMPILER_IS_GNUG77 1) + endif() + if(CMAKE_Fortran_PLATFORM_ID MATCHES "MinGW") + set(CMAKE_COMPILER_IS_MINGW 1) + elseif(CMAKE_Fortran_PLATFORM_ID MATCHES "Cygwin") + set(CMAKE_COMPILER_IS_CYGWIN 1) + endif() +endif() + +if (NOT _CMAKE_TOOLCHAIN_LOCATION) + get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_Fortran_COMPILER}" PATH) +endif () + +# if we have a fortran cross compiler, they have usually some prefix, like +# e.g. powerpc-linux-gfortran, arm-elf-gfortran or i586-mingw32msvc-gfortran , optionally +# with a 3-component version number at the end (e.g. arm-eabi-gcc-4.5.2). +# The other tools of the toolchain usually have the same prefix +# NAME_WE cannot be used since then this test will fail for names like +# "arm-unknown-nto-qnx6.3.0-gcc.exe", where BASENAME would be +# "arm-unknown-nto-qnx6" instead of the correct "arm-unknown-nto-qnx6.3.0-" +if (CMAKE_CROSSCOMPILING AND NOT _CMAKE_TOOLCHAIN_PREFIX) + + if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU") + get_filename_component(COMPILER_BASENAME "${CMAKE_Fortran_COMPILER}" NAME) + if (COMPILER_BASENAME MATCHES "^(.+-)g?fortran(-[0-9]+\\.[0-9]+\\.[0-9]+)?(\\.exe)?$") + set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) + endif () + + # if "llvm-" is part of the prefix, remove it, since llvm doesn't have its own binutils + # but uses the regular ar, objcopy, etc. (instead of llvm-objcopy etc.) + if ("${_CMAKE_TOOLCHAIN_PREFIX}" MATCHES "(.+-)?llvm-$") + set(_CMAKE_TOOLCHAIN_PREFIX ${CMAKE_MATCH_1}) + endif () + endif() + +endif () + +set(_CMAKE_PROCESSING_LANGUAGE "Fortran") +include(CMakeFindBinUtils) +include(Compiler/${CMAKE_Fortran_COMPILER_ID}-FindBinUtils OPTIONAL) +unset(_CMAKE_PROCESSING_LANGUAGE) + +if(CMAKE_Fortran_COMPILER_ARCHITECTURE_ID) + set(_SET_CMAKE_Fortran_COMPILER_ARCHITECTURE_ID + "set(CMAKE_Fortran_COMPILER_ARCHITECTURE_ID ${CMAKE_Fortran_COMPILER_ARCHITECTURE_ID})") +else() + set(_SET_CMAKE_Fortran_COMPILER_ARCHITECTURE_ID "") +endif() + +if(MSVC_Fortran_ARCHITECTURE_ID) + set(SET_MSVC_Fortran_ARCHITECTURE_ID + "set(MSVC_Fortran_ARCHITECTURE_ID ${MSVC_Fortran_ARCHITECTURE_ID})") +endif() +# configure variables set in this file for fast reload later on +configure_file(${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in + ${CMAKE_PLATFORM_INFO_DIR}/CMakeFortranCompiler.cmake + @ONLY + ) +set(CMAKE_Fortran_COMPILER_ENV_VAR "FC") |