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|
# cmake/modules/language_support.cmake
#
# Temporary additional general language support is contained within this
# file.
# This additional function definition is needed to provide a workaround for
# CMake bug 9220.
function(workaround_9220 language language_works)
#message("DEBUG: language = ${language}")
set(text
"project(test NONE)
# Location where PLplot cmake build system first looks for cmake modules.
set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
cmake_minimum_required(VERSION 2.6.0)
message(STATUS \"CMAKE_GENERATOR = ${CMAKE_GENERATOR}\")
#enable_language(${language} OPTIONAL)
enable_language(${language})
"
)
file(REMOVE_RECURSE ${CMAKE_BINARY_DIR}/language_tests/${language})
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/language_tests/${language})
file(WRITE ${CMAKE_BINARY_DIR}/language_tests/${language}/CMakeLists.txt
${text})
# Special language support files for various languages:
# N.B. This list of files has to be maintained to be consistent
# with anything special we do in terms of language support.
if(language STREQUAL "Ada")
set(language_special ON)
set(language_files
CMakeAdaCompiler.cmake.in
CMakeAdaInformation.cmake
CMakeDetermineAdaCompiler.cmake
CMakeTestAdaCompiler.cmake
)
elseif(language STREQUAL "D")
set(language_special ON)
set(language_files
CMakeDCompiler.cmake.in
CMakeDInformation.cmake
CMakeDetermineDCompiler.cmake
CMakeTestDCompiler.cmake
Platform/Linux-dmd.cmake
Platform/Linux-gdc.cmake
Platform/Windows-dmd.cmake
Platform/Windows-gdc.cmake
)
elseif(language STREQUAL "Fortran")
set(language_special ON)
set(language_files
CMakeFortranInformation.cmake
Platform/Cygwin-GNU-Fortran.cmake
Platform/Windows-GNU-Fortran.cmake
Platform/Windows-df.cmake
Platform/Windows-f90.cmake
)
else(language STREQUAL "Ada")
set(language_special OFF)
endif(language STREQUAL "Ada")
if(language_special)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/language_tests/${language}/cmake/modules/Platform)
foreach(file ${language_files})
configure_file(
${CMAKE_SOURCE_DIR}/cmake/modules/${file}
${CMAKE_BINARY_DIR}/language_tests/${language}/cmake/modules/${file}
COPYONLY
)
endforeach(file ${language_files})
endif(language_special)
execute_process(
COMMAND ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR} .
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/language_tests/${language}
RESULT_VARIABLE return_code
#OUTPUT_VARIABLE output
#ERROR_VARIABLE error
#OUTPUT_STRIP_TRAILING_WHITESPACE
#ERROR_STRIP_TRAILING_WHITESPACE
)
if(return_code EQUAL 0)
set(${language_works} ON CACHE INTERNAL "")
else(return_code EQUAL 0)
set(${language_works} OFF CACHE INTERNAL "")
#message(STATUS "A test cmake run with language = ${language} enabled failed with the following stdout and stderr:")
#message(STATUS "stdout = ${output}")
#message(STATUS "stderr = ${error}")
endif(return_code EQUAL 0)
endfunction(workaround_9220)
# Temporary tests of the above function.
#workaround_9220(CXX CXX_language_works)
#message("CXX_language_works = ${CXX_language_works}")
#workaround_9220(CXXp CXXp_language_works)
#message("CXXp_language_works = ${CXXp_language_works}")
#workaround_9220(Ada Ada_language_works)
#message("Ada_language_works = ${Ada_language_works}")
#workaround_9220(D D_language_works)
#message("D_language_works = ${D_language_works}")
#workaround_9220(Fortran Fortran_language_works)
#message("Fortran_language_works = ${Fortran_language_works}")
#workaround_9220(Java Java_language_works)
#message("Java_language_works = ${Java_language_works}")
# Just to terminate temporary test for convenience.
#message(FATAL_ERROR "")
|
