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#[===================================================================[
date library by Howard Hinnant
CMake projects that wish to use this library should consider
something like the following :
include( FetchContent )
FetchContent_Declare( date_src
GIT_REPOSITORY https://github.com/HowardHinnant/date.git
GIT_TAG v3.0.1 # adjust tag/branch/commit as needed
)
FetchContent_MakeAvailable(date_src)
...
target_link_libraries (my_target PRIVATE date::date)
#]===================================================================]
cmake_minimum_required( VERSION 3.7 )
project( date VERSION 3.0.3 )
set(ABI_VERSION 3) # used as SOVERSION, increment when ABI changes
get_directory_property( has_parent PARENT_DIRECTORY )
if (POLICY CMP0077)
# Allow CMake 3.13+ to override options when using FetchContent / add_subdirectory.
cmake_policy(SET CMP0077 NEW)
endif ()
# Override by setting on CMake command line.
set( CMAKE_CXX_STANDARD 17 CACHE STRING "The C++ standard whose features are requested." )
option( USE_SYSTEM_TZ_DB "Use the operating system's timezone database" OFF )
option( MANUAL_TZ_DB "User will set TZ DB manually by invoking set_install in their code" OFF )
option( USE_TZ_DB_IN_DOT "Save the timezone database in the current folder" OFF )
option( BUILD_SHARED_LIBS "Build a shared version of library" OFF )
option( ENABLE_DATE_TESTING "Enable unit tests" OFF )
option( DISABLE_STRING_VIEW "Disable string view" OFF )
option( COMPILE_WITH_C_LOCALE "define ONLY_C_LOCALE=1" OFF )
option( BUILD_TZ_LIB "build/install of TZ library" OFF )
option( ENABLE_DATE_INSTALL "Enable install" ON )
if( ENABLE_DATE_TESTING AND NOT BUILD_TZ_LIB )
message(WARNING "Testing requested, but BUILD_TZ_LIB not ON - forcing the latter")
set (BUILD_TZ_LIB ON CACHE BOOL "required for testing" FORCE)
endif( )
if( ENABLE_DATE_INSTALL )
include( GNUInstallDirs )
endif( )
function( print_option OPT )
if ( NOT DEFINED PRINT_OPTION_CURR_${OPT} OR ( NOT PRINT_OPTION_CURR_${OPT} STREQUAL ${OPT} ) )
set( PRINT_OPTION_CURR_${OPT} ${${OPT}} CACHE BOOL "" )
mark_as_advanced(PRINT_OPTION_CURR_${OPT})
message( "# date: ${OPT} ${${OPT}}" )
endif( )
endfunction( )
print_option( USE_SYSTEM_TZ_DB )
print_option( MANUAL_TZ_DB )
print_option( USE_TZ_DB_IN_DOT )
print_option( BUILD_SHARED_LIBS )
print_option( ENABLE_DATE_TESTING )
print_option( DISABLE_STRING_VIEW )
#[===================================================================[
date (header only) library
#]===================================================================]
add_library( date INTERFACE )
add_library( date::date ALIAS date )
target_include_directories( date INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> )
# adding header sources just helps IDEs
target_sources( date INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>/date/date.h
# the rest of these are not currently part of the public interface of the library:
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/date/solar_hijri.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/date/islamic.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/date/iso_week.h>
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include/date/julian.h>
)
if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.15)
# public headers will get installed:
set_property(TARGET date PROPERTY PUBLIC_HEADER
include/date/date.h
include/date/islamic.h
include/date/iso_week.h
include/date/julian.h
include/date/solar_hijri.h
)
endif ()
# These used to be set with generator expressions,
#
# ONLY_C_LOCALE=$<IF:$<BOOL:${COMPILE_WITH_C_LOCALE}>,1,0>
#
# which expand in the output target file to, e.g.
#
# ONLY_C_LOCALE=$<IF:$<BOOL:FALSE>,1,0>
#
# This string is then (somtimes?) not correctly interpreted.
if ( COMPILE_WITH_C_LOCALE )
# To workaround libstdc++ issue https://github.com/HowardHinnant/date/issues/388
target_compile_definitions( date INTERFACE ONLY_C_LOCALE=1 )
else()
target_compile_definitions( date INTERFACE ONLY_C_LOCALE=0 )
endif()
if ( DISABLE_STRING_VIEW )
target_compile_definitions( date INTERFACE HAS_STRING_VIEW=0 -DHAS_DEDUCTION_GUIDES=0 )
else()
target_compile_definitions( date INTERFACE HAS_STRING_VIEW=1 )
endif()
#[===================================================================[
tz (compiled) library
#]===================================================================]
if( BUILD_TZ_LIB )
add_library( date-tz )
target_compile_definitions( date-tz PRIVATE BUILD_TZ_LIB=1 )
target_sources( date-tz
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>/date/tz.h
PRIVATE
include/date/tz_private.h
src/tz.cpp )
if ( IOS )
target_sources( date-tz
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>/date/ios.h
PRIVATE
src/ios.mm )
endif()
add_library( date::date-tz ALIAS date-tz )
target_link_libraries( date-tz PUBLIC date )
target_include_directories( date-tz PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> )
if ( USE_SYSTEM_TZ_DB OR MANUAL_TZ_DB )
target_compile_definitions( date-tz PRIVATE AUTO_DOWNLOAD=0 HAS_REMOTE_API=0 )
else()
target_compile_definitions( date-tz PRIVATE AUTO_DOWNLOAD=1 HAS_REMOTE_API=1 )
endif()
if ( USE_SYSTEM_TZ_DB AND NOT WIN32 AND NOT MANUAL_TZ_DB )
target_compile_definitions( date-tz PRIVATE INSTALL=. PUBLIC USE_OS_TZDB=1 )
else()
target_compile_definitions( date-tz PUBLIC USE_OS_TZDB=0 )
endif()
if ( WIN32 AND BUILD_SHARED_LIBS )
target_compile_definitions( date-tz PUBLIC DATE_BUILD_DLL=1 )
endif()
set(TZ_PUBLIC_HEADERS include/date/ptz.h include/date/tz.h)
set(TZ_PRIVATE_HEADERS include/date/tz_private.h)
if( IOS )
list(APPEND TZ_PRIVATE_HEADERS include/date/ios.h)
endif( )
set_target_properties( date-tz PROPERTIES
POSITION_INDEPENDENT_CODE ON
PUBLIC_HEADER "${TZ_PUBLIC_HEADERS}"
PRIVATE_HEADER "${TZ_PRIVATE_HEADERS}"
VERSION "${PROJECT_VERSION}"
SOVERSION "${ABI_VERSION}" )
if( NOT MSVC )
find_package( Threads )
target_link_libraries( date-tz PUBLIC Threads::Threads )
endif( )
if( NOT USE_SYSTEM_TZ_DB AND NOT MANUAL_TZ_DB )
find_package( CURL REQUIRED )
target_include_directories( date-tz SYSTEM PRIVATE ${CURL_INCLUDE_DIRS} )
target_link_libraries( date-tz PRIVATE ${CURL_LIBRARIES} )
endif( )
endif( )
#[===================================================================[
installation
#]===================================================================]
if( ENABLE_DATE_INSTALL )
set( version_config "${CMAKE_CURRENT_BINARY_DIR}/dateConfigVersion.cmake" )
include( CMakePackageConfigHelpers )
write_basic_package_version_file( "${version_config}"
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion )
install( TARGETS date
EXPORT dateConfig
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date
PRIVATE_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date )
export( TARGETS date NAMESPACE date:: FILE dateTargets.cmake )
if (CMAKE_VERSION VERSION_LESS 3.15)
install(
FILES include/date/date.h
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date )
endif ()
if( BUILD_TZ_LIB )
install( TARGETS date-tz
EXPORT dateConfig
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date
PRIVATE_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/date
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} ) # This is for Windows
export( TARGETS date-tz NAMESPACE date:: APPEND FILE dateTargets.cmake )
endif( )
if( WIN32 AND NOT CYGWIN)
set( CONFIG_LOC CMake )
else( )
set( CONFIG_LOC "${CMAKE_INSTALL_LIBDIR}/cmake/date" )
endif( )
install( EXPORT dateConfig
FILE dateTargets.cmake
NAMESPACE date::
DESTINATION ${CONFIG_LOC} )
install (
FILES cmake/dateConfig.cmake "${version_config}"
DESTINATION ${CONFIG_LOC})
endif( )
#[===================================================================[
testing
#]===================================================================]
if( ENABLE_DATE_TESTING )
enable_testing( )
add_custom_target( testit COMMAND ${CMAKE_CTEST_COMMAND} )
add_dependencies( testit date-tz )
function( add_pass_tests TEST_GLOB TEST_PREFIX )
file( GLOB_RECURSE FILENAMES ${TEST_GLOB} )
foreach( TEST_FILE ${FILENAMES} )
get_filename_component( TEST_NAME ${TEST_FILE} NAME_WE )
get_filename_component( TEST_EXT ${TEST_FILE} EXT )
if( NOT ${TEST_EXT} STREQUAL ".fail.cpp" )
set( PREFIX "${TEST_PREFIX}_pass_${TEST_NAME}" )
set( BIN_NAME ${PREFIX}_bin )
set( TST_NAME ${PREFIX}_test )
add_executable( ${BIN_NAME} EXCLUDE_FROM_ALL ${TEST_FILE} )
add_test( ${TST_NAME} ${BIN_NAME} )
target_link_libraries( ${BIN_NAME} date-tz )
# HACK: because the test files don't use FQ includes:
target_include_directories( ${BIN_NAME} PRIVATE include/date )
add_dependencies( testit ${BIN_NAME} )
endif( )
endforeach( )
endfunction( )
function( add_fail_tests TEST_GLOB TEST_PREFIX )
file( GLOB_RECURSE FILENAMES ${TEST_GLOB} )
foreach( TEST_FILE ${FILENAMES} )
get_filename_component( TEST_NAME ${TEST_FILE} NAME_WE )
get_filename_component( TEST_EXT ${TEST_FILE} EXT )
set( TEST_TYPE "_fail" )
set( PREFIX "${TEST_PREFIX}_fail_${TEST_NAME}" )
set( BIN_NAME ${PREFIX}_bin )
set( TST_NAME ${PREFIX}_test )
set( TEST_BIN_NAME ${CMAKE_BINARY_DIR}/${BIN_NAME} )
add_custom_target( ${BIN_NAME}
COMMAND
${PROJECT_SOURCE_DIR}/compile_fail.sh
${TEST_BIN_NAME}
${CMAKE_CXX_COMPILER}
-std=c++14
-L${CMAKE_BINARY_DIR}/
-ldate-tz
-I${PROJECT_SOURCE_DIR}/include
-I${PROJECT_SOURCE_DIR}/include/date
-o ${BIN_NAME}
${TEST_FILE}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT ${TST_NAME} )
add_test( ${TST_NAME} "${PROJECT_SOURCE_DIR}/test_fail.sh" ${CMAKE_BINARY_DIR}/${BIN_NAME} WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}/" )
#set_tests_properties( ${TST_NAME} PROPERTIES WILL_FAIL TRUE)
add_dependencies( testit ${BIN_NAME} )
endforeach( )
endfunction( )
file( GLOB children RELATIVE "${PROJECT_SOURCE_DIR}/test" "${PROJECT_SOURCE_DIR}/test/*" )
foreach( child ${children} )
if( IS_DIRECTORY "${PROJECT_SOURCE_DIR}/test/${child}" )
set( CUR_FOLDER "${PROJECT_SOURCE_DIR}/test/${child}" )
add_pass_tests( "${CUR_FOLDER}/*.cpp" ${child} )
if( NOT WIN32 )
add_fail_tests( "${CUR_FOLDER}/*.fail.cpp" ${child} )
endif( )
endif( )
endforeach( )
endif( )
|
