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cmake_minimum_required(VERSION 3.10)
if(POLICY CMP0092)
cmake_policy(SET CMP0092 NEW)
endif()
if(POLICY CMP0129)
cmake_policy(SET CMP0129 NEW)
endif()
get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
if(NOT _isMultiConfig AND NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build" FORCE)
endif()
project(CompileOptions)
add_library(testlib other.cpp)
if(TEST_FORTRAN)
enable_language(Fortran)
endif()
add_executable(CompileOptions main.cpp)
macro(get_compiler_test_genex lst lang)
list(APPEND ${lst} -DTEST_${lang}_COMPILER_VERSION="$<${lang}_COMPILER_VERSION>")
list(APPEND ${lst} -DTEST_${lang}_COMPILER_VERSION_EQUALITY=$<${lang}_COMPILER_VERSION:${CMAKE_${lang}_COMPILER_VERSION}>)
list(APPEND ${lst} -DTEST_${lang}_COMPILER_FRONTEND_VARIANT="$<${lang}_COMPILER_FRONTEND_VARIANT>")
list(APPEND ${lst} -DTEST_${lang}_COMPILER_FRONTEND_VARIANT_EQUALITY=$<${lang}_COMPILER_FRONTEND_VARIANT:${CMAKE_${lang}_COMPILER_FRONTEND_VARIANT}>)
endmacro()
get_compiler_test_genex(c_tests C)
get_compiler_test_genex(cxx_tests CXX)
if(TEST_FORTRAN)
get_compiler_test_genex(fortran_tests Fortran)
endif()
set_property(TARGET CompileOptions PROPERTY COMPILE_OPTIONS
"-DTEST_DEFINE"
"-DNEEDS_ESCAPE=\"E$CAPE\""
"$<$<CXX_COMPILER_ID:GNU,LCC>:-DTEST_DEFINE_GNU>"
"$<$<COMPILE_LANG_AND_ID:CXX,GNU,LCC>:-DTEST_DEFINE_CXX_AND_GNU>"
"SHELL:" # produces no options
${c_tests}
${cxx_tests}
${fortran_tests}
)
if(BORLAND OR WATCOM)
# these compilers do not support separate -D flags
target_compile_definitions(CompileOptions PRIVATE NO_DEF_TESTS)
else()
set_property(TARGET CompileOptions APPEND PROPERTY COMPILE_OPTIONS
"SHELL:-D DEF_A"
"$<1:SHELL:-D DEF_B>"
"SHELL:-D 'DEF_C' -D \"DEF_D\""
[[SHELL:-D "DEF_STR=\"string with spaces\""]]
)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|LCC|Clang|Borland|Embarcadero" AND NOT "${CMAKE_GENERATOR}" MATCHES "NMake Makefiles")
set_property(TARGET CompileOptions APPEND PROPERTY COMPILE_OPTIONS
"-DTEST_OCTOTHORPE=\"#\""
)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|LCC|AppleClang|MSVC)$")
target_compile_definitions(CompileOptions PRIVATE "DO_FLAG_TESTS")
if(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|LCC|AppleClang)$")
string(APPEND CMAKE_CXX_FLAGS " -w")
endif()
string(APPEND CMAKE_CXX_FLAGS " -DFLAG_A=1 -DFLAG_B=1")
string(APPEND CMAKE_CXX_FLAGS_DEBUG " -DFLAG_A=2 -DFLAG_C=1")
string(APPEND CMAKE_CXX_FLAGS_RELEASE " -DFLAG_A=2 -DFLAG_C=1")
string(APPEND CMAKE_CXX_FLAGS_RELWITHDEBINFO " -DFLAG_A=2 -DFLAG_C=1")
string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL " -DFLAG_A=2 -DFLAG_C=1")
string(TOUPPER "${CMAKE_BUILD_TYPE}" _xbuild_type)
if(NOT _xbuild_type MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
string(APPEND CMAKE_CXX_FLAGS_${_xbuild_type} " -DFLAG_A=2 -DFLAG_C=1")
endif()
set_property(TARGET CompileOptions APPEND PROPERTY COMPILE_OPTIONS "-DFLAG_B=2" "-DFLAG_C=2" "-DFLAG_D=1")
set_property(TARGET testlib APPEND PROPERTY INTERFACE_COMPILE_OPTIONS "-DFLAG_D=2")
set_property(TARGET testlib APPEND PROPERTY INTERFACE_COMPILE_OPTIONS "-DFLAG_E=1")
set_property(SOURCE main.cpp PROPERTY COMPILE_OPTIONS "-DFLAG_E=2")
endif()
target_link_libraries(CompileOptions testlib)
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|LCC")
target_compile_definitions(CompileOptions
PRIVATE
"DO_GNU_TESTS"
)
endif()
target_compile_definitions(CompileOptions
PRIVATE
"EXPECTED_C_COMPILER_VERSION=\"${CMAKE_C_COMPILER_VERSION}\""
"EXPECTED_CXX_COMPILER_VERSION=\"${CMAKE_CXX_COMPILER_VERSION}\""
"EXPECTED_C_COMPILER_FRONTEND_VARIANT=\"${CMAKE_C_COMPILER_FRONTEND_VARIANT}\""
"EXPECTED_CXX_COMPILER_FRONTEND_VARIANT=\"${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}\""
)
if(TEST_FORTRAN)
# Definitions for the C++ code to test the values
target_compile_definitions(CompileOptions
PRIVATE
"TEST_FORTRAN"
"EXPECTED_Fortran_COMPILER_VERSION=\"${CMAKE_Fortran_COMPILER_VERSION}\""
"EXPECTED_Fortran_COMPILER_FRONTEND_VARIANT=\"${CMAKE_Fortran_COMPILER_FRONTEND_VARIANT}\""
)
endif()