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cmake_minimum_required (VERSION 3.1)
if(POLICY CMP0129)
cmake_policy(SET CMP0129 NEW)
endif()
project(testf C CXX Fortran)
message("CTEST_FULL_OUTPUT ")
set(CMAKE_VERBOSE_MAKEFILE 1)
message("ENV_FLAGS = $ENV{FFLAGS}")
message("CMAKE_Fortran_COMPILER_INIT = ${CMAKE_Fortran_COMPILER_INIT}")
message("CMAKE_Fortran_COMPILER_FULLPATH = ${CMAKE_Fortran_COMPILER_FULLPATH}")
message("CMAKE_Fortran_COMPILER = ${CMAKE_Fortran_COMPILER}")
message("CMAKE_Fortran_FLAGS = ${CMAKE_Fortran_FLAGS}")
set(_SHARED SHARED)
if(CMAKE_Fortran_COMPILER_ID MATCHES "^(XL|VisualAge)$")
# We do not implement SHARED Fortran libs on AIX yet!
# Workaround: Set LINKER_LANGUAGE to C, which uses 'xlc' and Fortran implicits.
set(_SHARED STATIC)
elseif(CMAKE_Fortran_COMPILER_ID MATCHES "GNU|LCC")
# g77 2.96 does not support shared libs on Itanium because g2c is not -fPIC
execute_process(COMMAND ${CMAKE_Fortran_COMPILER} --version
OUTPUT_VARIABLE output ERROR_VARIABLE output)
if("${output}" MATCHES "Red Hat .* 2\\.96")
set(_SHARED STATIC)
endif()
endif()
# Pick a module .def file with the properly mangled symbol name.
set(world_def "")
if(WIN32 AND NOT CYGWIN)
if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU|LCC")
set(world_def world_gnu.def)
elseif(CMAKE_Fortran_COMPILER_ID MATCHES "Intel" OR
CMAKE_GENERATOR MATCHES "Visual Studio") # Intel plugin
set(world_def world_icl.def)
endif()
endif()
add_library(hello STATIC hello.f)
add_library(world ${_SHARED} world.f ${world_def})
add_executable(testf testf.f)
target_link_libraries(testf hello world)
function(test_fortran_c_interface_module)
message(STATUS "Testing FortranCInterface module")
# test the C to Fortran interface module
include(FortranCInterface)
FortranCInterface_VERIFY()
FortranCInterface_VERIFY(CXX)
if(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
if(NOT CMAKE_Fortran_COMPILER_ID MATCHES "SunPro|PathScale|Absoft|Fujitsu")
set(module_expected 1)
endif()
if(FortranCInterface_MODULE_FOUND OR module_expected)
set(srcs foo.f)
set(FORTRAN_FUNCTIONS test_mod:sub)
set(MYC_DEFS TEST_MOD)
else()
message("${CMAKE_Fortran_COMPILER_ID} compilers do not support"
" linking Fortran module procedures from C")
endif()
endif()
list(APPEND FORTRAN_FUNCTIONS my_sub mysub)
FortranCInterface_HEADER(foo.h
MACRO_NAMESPACE "FC_"
SYMBOL_NAMESPACE "F_"
SYMBOLS ${FORTRAN_FUNCTIONS}
)
include_directories("${CMAKE_CURRENT_BINARY_DIR}")
# if the name mangling is not found for a F90 compiler
# print out some diagnostic stuff for the dashboard
if(NOT FortranCInterface_GLOBAL_FOUND OR
(NOT FortranCInterface_MODULE_FOUND AND module_expected) )
find_program(FortranCInterface_EXE
NAMES FortranCInterface
PATHS ${FortranCInterface_BINARY_DIR} ${FortranCInterface_BINARY_DIR}/Debug
NO_DEFAULT_PATH
)
find_program(DUMPBIN dumpbin)
find_program(NM nm)
if(FortranCInterface_EXE)
if(DEPENDS)
execute_process(COMMAND ${DUMPBIN} /symbols "${FortranCInterface_EXE}"
OUTPUT_VARIABLE out)
message("symbols in ${FortranCInterface_EXE}:\n${out}")
endif()
if(NM)
execute_process(COMMAND ${NM} "${FortranCInterface_EXE}"
OUTPUT_VARIABLE out)
message("symbols in ${FortranCInterface_EXE}:\n${out}")
endif()
endif()
endif()
message("Fortran = ${CMAKE_Fortran_COMPILER_ID}")
message("C = ${CMAKE_C_COMPILER_ID}")
add_library(myfort mysub.f ${srcs})
add_library(myc myc.c)
target_link_libraries(myc myfort)
set_property(TARGET myc PROPERTY COMPILE_DEFINITIONS ${MYC_DEFS})
add_library(myfort_obj OBJECT mysub.f)
add_library(myc_use_obj myc.c $<TARGET_OBJECTS:myfort_obj>)
add_executable(mainc_use_obj mainc.c)
target_link_libraries(mainc_use_obj myc_use_obj)
add_library(mycxx mycxx.cxx)
target_link_libraries(mycxx myc)
add_executable(mainc mainc.c)
target_link_libraries(mainc myc)
add_executable(maincxx maincxx.c)
target_link_libraries(maincxx mycxx)
# print out some stuff to help debug on machines via cdash
file(READ "${CMAKE_CURRENT_BINARY_DIR}/foo.h" fooh)
message("foo.h contents:\n${fooh}")
endfunction()
# if the id's match or the compilers are compatible, then
# call the test_fortran_c_interface_module function
if("${CMAKE_Fortran_COMPILER_ID}:${CMAKE_C_COMPILER_ID}" MATCHES
"(Intel(LLVM)?:MSVC|Absoft:GNU|LLVMFlang:(GNU|Clang))"
OR ("${CMAKE_Fortran_COMPILER_ID}" STREQUAL "${CMAKE_C_COMPILER_ID}" ))
test_fortran_c_interface_module()
else()
message("Fortran does not match c compiler")
message("Fortran = ${CMAKE_Fortran_COMPILER_ID}")
message("C = ${CMAKE_C_COMPILER_ID}")
# hack to make g77 work after CL has been enabled
# as a language, cmake needs language specific versions
# of these variables....
if(WIN32 AND CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
set(CMAKE_Fortran_CREATE_CONSOLE_EXE )
set(CMAKE_LIBRARY_PATH_FLAG "-L")
set(CMAKE_LINK_LIBRARY_FLAG "-l")
set(CMAKE_LINK_LIBRARY_SUFFIX )
endif()
# gnu and sunpro do not use the same flags here...
# however if LDFLAGS is used to set -m64 it causes odd stuf
# with the fortran build
if( (CMAKE_C_COMPILER_ID MATCHES "GNU")
AND (CMAKE_Fortran_COMPILER_ID MATCHES "SunPro"))
set(CMAKE_EXE_LINKER_FLAGS "")
set(CMAKE_Fortran_FLAGS "")
endif()
endif()
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