116 lines
5.4 KiB
CMake
116 lines
5.4 KiB
CMake
# determine the compiler to use for C programs
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# NOTE, a generator may set CMAKE_C_COMPILER before
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# loading this file to force a compiler.
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# use environment variable CCC first if defined by user, next use
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# the cmake variable CMAKE_GENERATOR_CC which can be defined by a generator
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# as a default compiler
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IF(NOT CMAKE_Fortran_COMPILER)
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# prefer the environment variable CC
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IF($ENV{FC} MATCHES ".+")
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GET_FILENAME_COMPONENT(CMAKE_Fortran_COMPILER_INIT $ENV{FC} PROGRAM PROGRAM_ARGS CMAKE_Fortran_FLAGS_ENV_INIT)
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IF(CMAKE_Fortran_FLAGS_ENV_INIT)
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SET(CMAKE_Fortran_COMPILER_ARG1 ${CMAKE_Fortran_FLAGS_ENV_INIT} CACHE STRING "First argument to Fortran compiler")
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ENDIF(CMAKE_Fortran_FLAGS_ENV_INIT)
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IF(EXISTS ${CMAKE_Fortran_COMPILER_INIT})
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ELSE(EXISTS ${CMAKE_Fortran_COMPILER_INIT})
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MESSAGE(FATAL_ERROR "Could not find compiler set in environment variable FC:\n$ENV{FC}.")
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ENDIF(EXISTS ${CMAKE_Fortran_COMPILER_INIT})
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ENDIF($ENV{FC} MATCHES ".+")
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# next try prefer the compiler specified by the generator
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IF(CMAKE_GENERATOR_FC)
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IF(NOT CMAKE_Fortran_COMPILER_INIT)
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SET(CMAKE_Fortran_COMPILER_INIT ${CMAKE_GENERATOR_FC})
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ENDIF(NOT CMAKE_Fortran_COMPILER_INIT)
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ENDIF(CMAKE_GENERATOR_FC)
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# if no compiler has been specified yet, then look for one
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IF(NOT CMAKE_Fortran_COMPILER_INIT)
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# if not in the envionment then search for the compiler in the path
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# Known compilers:
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# f77/f90/f95: generic compiler names
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# g77: GNU Fortran 77 compiler
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# gfortran: putative GNU Fortran 95+ compiler (in progress)
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# fort77: native F77 compiler under HP-UX (and some older Crays)
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# frt: Fujitsu F77 compiler
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# pgf77/pgf90/pgf95: Portland Group F77/F90/F95 compilers
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# xlf/xlf90/xlf95: IBM (AIX) F77/F90/F95 compilers
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# lf95: Lahey-Fujitsu F95 compiler
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# fl32: Microsoft Fortran 77 "PowerStation" compiler
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# af77: Apogee F77 compiler for Intergraph hardware running CLIX
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# epcf90: "Edinburgh Portable Compiler" F90
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# fort: Compaq (now HP) Fortran 90/95 compiler for Tru64 and Linux/Alpha
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# ifc: Intel Fortran 95 compiler for Linux/x86
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# efc: Intel Fortran 95 compiler for IA64
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#
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# The order is 95 or newer compilers first, then 90,
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# then 77 or older compilers, gnu is always last in the group,
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# so if you paid for a compiler it is picked by default.
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# NOTE for testing purposes this list is DUPLICATED in
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# CMake/Source/CMakeLists.txt, IF YOU CHANGE THIS LIST,
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# PLEASE UPDATE THAT FILE AS WELL!
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SET(CMAKE_Fortran_COMPILER_LIST ifort ifc efc f95 pgf95
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lf95 xlf95 fort gfortran f90 pgf90 xlf90 epcf90 fort77 frt pgf77 xlf fl32 af77 g77 f77 )
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FIND_PROGRAM(CMAKE_Fortran_COMPILER_FULLPATH NAMES ${CMAKE_Fortran_COMPILER_LIST} )
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GET_FILENAME_COMPONENT(CMAKE_Fortran_COMPILER_INIT
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${CMAKE_Fortran_COMPILER_FULLPATH} NAME)
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SET(CMAKE_Fortran_COMPILER_FULLPATH "${CMAKE_Fortran_COMPILER_FULLPATH}"
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CACHE INTERNAL "full path to the compiler cmake found")
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ENDIF(NOT CMAKE_Fortran_COMPILER_INIT)
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SET(CMAKE_Fortran_COMPILER ${CMAKE_Fortran_COMPILER_INIT} CACHE STRING "Fortran compiler")
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ENDIF(NOT CMAKE_Fortran_COMPILER)
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MARK_AS_ADVANCED(CMAKE_Fortran_COMPILER)
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FIND_PROGRAM(CMAKE_AR NAMES ar )
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FIND_PROGRAM(CMAKE_RANLIB NAMES ranlib)
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IF(NOT CMAKE_RANLIB)
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SET(CMAKE_RANLIB : CACHE INTERNAL "noop for ranlib")
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ENDIF(NOT CMAKE_RANLIB)
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MARK_AS_ADVANCED(CMAKE_RANLIB)
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# do not test for GNU if the generator is visual studio
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IF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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SET(CMAKE_COMPILER_IS_GNUG77_RUN 1)
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ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
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IF(NOT CMAKE_COMPILER_IS_GNUG77_RUN)
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# test to see if the Fortran compiler is gnu
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IF(CMAKE_Fortran_FLAGS)
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SET(CMAKE_BOOT_Fortran_FLAGS ${CMAKE_Fortran_FLAGS})
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ELSE(CMAKE_Fortran_FLAGS)
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SET(CMAKE_BOOT_Fortran_FLAGS $ENV{FFLAGS})
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ENDIF(CMAKE_Fortran_FLAGS)
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EXEC_PROGRAM(${CMAKE_Fortran_COMPILER} ARGS ${CMAKE_BOOT_Fortran_FLAGS} -E "\"${CMAKE_ROOT}/Modules/CMakeTestGNU.c\"" OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN)
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SET(CMAKE_COMPILER_IS_GNUG77_RUN 1)
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IF(NOT CMAKE_COMPILER_RETURN)
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IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
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SET(CMAKE_COMPILER_IS_GNUG77 1)
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
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"Determining if the Fortran compiler is GNU succeeded with "
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"the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n")
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ELSE("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
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FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
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"Determining if the Fortran compiler is GNU failed with "
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"the following output:\n${CMAKE_COMPILER_OUTPUT}\n\n")
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ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_GNU.*" )
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IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" )
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SET(CMAKE_COMPILER_IS_MINGW 1)
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ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_MINGW.*" )
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IF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
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SET(CMAKE_COMPILER_IS_CYGWIN 1)
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ENDIF("${CMAKE_COMPILER_OUTPUT}" MATCHES ".*THIS_IS_CYGWIN.*" )
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ENDIF(NOT CMAKE_COMPILER_RETURN)
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ENDIF(NOT CMAKE_COMPILER_IS_GNUG77_RUN)
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# configure variables set in this file for fast reload later on
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CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CMakeFortranCompiler.cmake.in
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${CMAKE_BINARY_DIR}/CMakeFiles/CMakeFortranCompiler.cmake IMMEDIATE)
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MARK_AS_ADVANCED(CMAKE_AR)
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SET(CMAKE_Fortran_COMPILER_ENV_VAR "FC")
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