C++23 enable in CMakeLists.txt

Add linux build support

CMakeLists.txt

@@ -1,277 +1,23 @@
-#[===================================================================[
-   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        v3.0.0  # 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 3.0.0 )
-set(ABI_VERSION 3) # used as SOVERSION, increment when ABI changes
-
-include( GNUInstallDirs )
-
-get_directory_property( has_parent PARENT_DIRECTORY )
-
-# 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 )
-
-if( ENABLE_DATE_TESTING AND NOT BUILD_TZ_LIB )
-    message(WARNING "Testing requested, bug BUILD_TZ_LIB not ON - forcing the latter")
-    set (BUILD_TZ_LIB ON CACHE BOOL "required for testing" FORCE)
-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:include> )
-# adding header sources just helps IDEs
-target_sources( date INTERFACE
-    $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:include>/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_target_properties( date PROPERTIES PUBLIC_HEADER include/date/date.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 )
+if(DEFINED IDF_TARGET)
+  idf_component_register(INCLUDE_DIRS include)
+  set_property(TARGET ${COMPONENT_LIB} PROPERTY CXX_STANDARD 23)
+  target_compile_definitions(${COMPONENT_TARGET} INTERFACE HAS_UNCAUGHT_EXCEPTIONS=1)
 else()
-  target_compile_definitions( date INTERFACE ONLY_C_LOCALE=0 )
+  add_library(date
+      include/date/chrono_io.h
+      include/date/date.h
+      include/date/ios.h
+      include/date/islamic.h
+      include/date/iso_week.h
+      include/date/julian.h
+      include/date/ptz.h
+      include/date/solar_hijri.h
+      include/date/tz.h
+      include/date/tz_private.h
+      src/tz.cpp
+  )
+
+  target_include_directories(date PUBLIC
+      include/
+  )
 endif()
-if ( DISABLE_STRING_VIEW )
-  target_compile_definitions( date INTERFACE HAS_STRING_VIEW=0 -DHAS_DEDUCTION_GUIDES=0 )
-endif()
-
-#[===================================================================[
-   tz (compiled) library
-#]===================================================================]
-if( BUILD_TZ_LIB )
-    add_library( date-tz )
-    target_sources( date-tz
-      PUBLIC
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:include>/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:include>/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>
-        $<INSTALL_INTERFACE:include> )
-
-    if ( USE_SYSTEM_TZ_DB OR MANUAL_TZ_DB )
-      target_compile_definitions( date-tz PRIVATE AUTO_DOWNLOAD=0 HAS_REMOTE_API=0 )
-    else()
-      target_compile_definitions( date-tz PRIVATE AUTO_DOWNLOAD=1 HAS_REMOTE_API=1 )
-    endif()
-
-    if ( USE_SYSTEM_TZ_DB AND NOT WIN32 AND NOT MANUAL_TZ_DB )
-      target_compile_definitions( date-tz PRIVATE INSTALL=. PUBLIC USE_OS_TZDB=1 )
-    else()
-      target_compile_definitions( date-tz PUBLIC USE_OS_TZDB=0 )
-    endif()
-
-    if ( WIN32 AND BUILD_SHARED_LIBS )
-      target_compile_definitions( date-tz PUBLIC DATE_BUILD_DLL=1 )
-    endif()
-
-    set(TZ_HEADERS include/date/tz.h)
-
-    if( IOS )
-        list(APPEND TZ_HEADERS include/date/ios.h)
-    endif( )
-    set_target_properties( date-tz PROPERTIES
-        POSITION_INDEPENDENT_CODE ON
-        PUBLIC_HEADER "${TZ_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 ${CURL_LIBRARIES} )
-    endif( )
-endif( )
-
-#[===================================================================[
-   installation
-#]===================================================================]
-set( version_config "${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 )
-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
-        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})
-
-#[===================================================================[
-   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( )

date.pri

@@ -0,0 +1 @@
+QMAKE_CXXFLAGS += -isystem $$PWD/include

library.json

@@ -0,0 +1,11 @@
+{
+    "name": "date",
+    "version": "1.0.0",
+    "build": {
+        "includeDir": "include",
+        "srcFilter":
+        [
+            "+<->"
+        ]
+    }
+}