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# Copyright (c) 2008-2010 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
#
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
# first try to find a f77 compiler, will be checked when f77 support is enabled.
# There might be a bug in CMake, the CMAKE_GENERATOR_FC is set to "ifort" by default,
# which causes CMake can't find the correct Fortran compiler.
# We have to set CMAKE_GENERATOR_FC empty.
SET(CMAKE_GENERATOR_FC "")
include(CMakeDetermineFortranCompiler)
include(CMakeFortranInformation)
IF(OMPI_WANT_F77_BINDINGS AND NOT F77_SETUP_DONE)
# Get the size of a C size_t; that's the size of the Fortran
# MPI_OFFSET_KIND
MESSAGE( STATUS "Checking size of C size_t...")
FILE (WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_sizeof_sizet.c"
"#include <stddef.h>
int main() {return sizeof(size_t);}
")
TRY_RUN(SIZEOF_C_SIZE_T COMPILE_RESULT "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/"
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/check_sizeof_sizet.c")
SET(OMPI_MPI_OFFSET_KIND ${SIZEOF_C_SIZE_T} CACHE INTERNAL "MPI_OFFSET_KIND")
# MPI_INTEGER_KIND is always 4
SET(OMPI_MPI_INTEGER_KIND 4 CACHE INTERNAL "MPI_INTEGER_KIND")
# MPI_ADDRESS_KIND is the size of a C (void*), which is built-in to
# Cmake.
SET(OMPI_MPI_ADDRESS_KIND ${CMAKE_SIZEOF_VOID_P} CACHE INTERNAL "MPI_ADDRESS_KIND")
# Finally, set the number of integers in MPI_STATUS_SIZE (it's 4
# integers plus 1 size_t).
MATH( EXPR __ompi_f_status "(4+(${SIZEOF_C_SIZE_T}/4))")
SET(OMPI_FORTRAN_STATUS_SIZE ${__ompi_f_status} CACHE INTERNAL "MPI_STATUS_SIZE")
GET_FILENAME_COMPONENT(F77_NAME ${CMAKE_Fortran_COMPILER} NAME)
GET_FILENAME_COMPONENT(F77_PATH ${CMAKE_Fortran_COMPILER} PATH)
SET(F77 ${F77_NAME} CACHE INTERNAL "Name of the fortran compiler.")
# Default compiler settings.
IF(${F77} STREQUAL "ifort.exe")
#settings for Intel Fortran
SET(F77_OPTION_COMPILE "/c" CACHE INTERNAL
"Fortran compiler option for compiling without linking.")
SET(F77_OUTPUT_OBJ "/Fo" CACHE INTERNAL
"Fortran compiler option for setting object file name.")
SET(F77_OUTPUT_EXE "/Fe" CACHE INTERNAL
"Fortran compiler option for setting executable file name.")
SET(F77_DYNAMIC_FLAG_DEBUG "/MDd" CACHE INTERNAL
"Compile flag for using dynamically-loaded, multithread C runtime (Debug).")
SET(F77_DYNAMIC_FLAG "/MD" CACHE INTERNAL
"Compile flag for using dynamically-loaded, multithread C runtime.")
IF(NOT "$ENV{IFORT_COMPILER11}" STREQUAL "")
SET(IFORT_LIB_PATH "$ENV{IFORT_COMPILER11}/lib/")
ELSEIF(NOT "$ENV{IFORT_COMPILER12}" STREQUAL "")
SET(IFORT_LIB_PATH "$ENV{IFORT_COMPILER12}/compiler/lib/")
ENDIF(NOT "$ENV{IFORT_COMPILER11}" STREQUAL "")
IF(CMAKE_CL_64)
SET(F77_LIB_PATH "${IFORT_LIB_PATH}/intel64")
ELSE(CMAKE_CL_64)
SET(F77_LIB_PATH "${IFORT_LIB_PATH}/ia32")
ENDIF(CMAKE_CL_64)
IF(NOT F77_LIB_PATH)
IF(CMAKE_CL_64)
FIND_LIBRARY(F77_IFCONSOL_LIB ifconsol.lib PATHS ${F77_PATH}/../../intel64)
ELSE(CMAKE_CL_64)
FIND_LIBRARY(F77_IFCONSOL_LIB ifconsol.lib PATHS ${F77_PATH}/../../ia32)
ENDIF(CMAKE_CL_64)
GET_FILENAME_COMPONENT(F77_LIB_PATH ${F77_IFCONSOL_LIB} PATH)
UNSET(F77_IFCONSOL_LIB CACHE)
ELSE(NOT F77_LIB_PATH)
STRING(REPLACE "\\" "/" F77_LIB_PATH ${F77_LIB_PATH})
ENDIF(NOT F77_LIB_PATH)
ELSEIF(${F77} STREQUAL "g95.exe")
#settings for G95
SET(F77_OPTION_COMPILE "-c" CACHE INTERNAL
"Fortran compiler option for compiling without linking.")
SET(F77_OUTPUT_OBJ "-o" CACHE INTERNAL
"Fortran compiler option for setting object file name.")
SET(F77_OUTPUT_EXE "-o" CACHE INTERNAL
"Fortran compiler option for setting executable file name.")
ELSE(${F77} STREQUAL "ifort.exe")
# in other case, let user specify their fortran configrations.
SET(F77_OPTION_COMPILE "-c" CACHE STRING
"Fortran compiler option for compiling without linking.")
SET(F77_OUTPUT_OBJ "-o" CACHE STRING
"Fortran compiler option for setting object file name.")
SET(F77_OUTPUT_EXE "-o" CACHE STRING
"Fortran compiler option for setting executable file name.")
SET(F77_LIB_PATH "" CACHE PATH
"Library path for the fortran compiler")
SET(F77_INCLUDE_PATH "" CACHE PATH
"Include path for the fortran compiler")
ENDIF(${F77} STREQUAL "ifort.exe")
# Export env variables for fortran compiler.
SET(ENV{PATH} "${C_COMPILER_PATH};${F77_PATH};$ENV{PATH}")
SET(ENV{LIB} "${C_COMPILER_LIB};${F77_LIB_PATH};$ENV{LIB}")
SET(ENV{INCLUDE} "${C_COMPILER_INCLUDE};${F77_INCLUDE_PATH};$ENV{INCLUDE}")
SET(ENV{LIBPATH} "${C_COMPILER_LIBPATH};$ENV{LIBPATH}")
# make sure the compiler actually works, if not cross-compiling
MESSAGE(STATUS "Checking for working Fortran compiler...")
FILE(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
"\t PROGRAM TESTFortran \n"
"\t PRINT *, 'Hello' \n"
"\t END \n")
# lets use execute_process to run the compile test
EXECUTE_PROCESS(COMMAND ${F77} testFortranCompiler.f
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp
OUTPUT_VARIABLE OUTPUT
RESULT_VARIABLE RESULT
ERROR_VARIABLE ERROR)
IF(RESULT)
SET(F77_SETUP_DONE FALSE CACHE INTERNAL "f77 setup done.")
MESSAGE(STATUS "${OUTPUT}\n${ERROR}")
MESSAGE(STATUS "Fortran compiler ${F77} can't compile a simple fortran program.")
MESSAGE(FATAL_ERROR "Cannot continue. Please check Fortran compiler installation, or disable Fortran 77 support.")
ELSE(RESULT)
MESSAGE(STATUS "Checking for working Fortran compiler...${F77}")
SET(F77_SETUP_DONE TRUE CACHE INTERNAL "f77 setup done.")
ENDIF(RESULT)
INCLUDE(F77_find_ext_symbol_convention)
# make sure we know the linking convention
# this macro will also test linking with C code
OMPI_F77_FIND_EXT_SYMBOL_CONVENTION()
ELSEIF(NOT OMPI_WANT_F77_BINDINGS)
SET(OMPI_F77_DOUBLE_UNDERSCORE 0
CACHE INTERNAL "external symbol convention - double underscore")
SET(OMPI_F77_SINGLE_UNDERSCORE 0
CACHE INTERNAL "external symbol convention - single underscore")
SET(OMPI_F77_CAPS 0
CACHE INTERNAL "external symbol convention - captital")
SET(OMPI_F77_PLAIN 0
CACHE INTERNAL "external symbol convention - plain")
UNSET(SYMBOL_CONVENTION_CHECK_DONE CACHE)
UNSET(F77_OPTION_COMPILE CACHE)
UNSET(F77_OUTPUT_OBJ CACHE)
UNSET(F77_OUTPUT_EXE CACHE)
UNSET(F77_LIB_PATH CACHE)
UNSET(F77_INCLUDE_PATH CACHE)
UNSET(F77_IFCONSOL_LIB CACHE)
UNSET(F77_SETUP_DONE CACHE)
ENDIF(OMPI_WANT_F77_BINDINGS AND NOT F77_SETUP_DONE)
# a few definitions needed by OMPI_F77_FIND_EXT_SYMBOL_CONVENTION check.
OMPI_DEF_VAR(OMPI_F77_DOUBLE_UNDERSCORE "Whether fortran symbols have a trailing double underscore or not." 0 1)
OMPI_DEF_VAR(OMPI_F77_SINGLE_UNDERSCORE "Whether fortran symbols have a trailing single underscore or not." 0 1)
OMPI_DEF_VAR(OMPI_F77_CAPS "Whether fortran symbols are all caps or not." 0 1)
OMPI_DEF_VAR(OMPI_F77_PLAIN "Whether fortran symbols have no trailing underscore or not." 0 1)
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