fix ONLY_C_LOCALE export from cmake (#590)

* fix ONLY_C_LOCALE export from cmake

* add some comments

* remove all generator expressions for target output

* cmake: fewer variables, make it easier to read
This commit is contained in:
Nico Schlömer 2020-07-23 01:03:42 +02:00 committed by GitHub
parent 6952fb50a6
commit 9537addfc4
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@ -76,10 +76,25 @@ 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 ()
target_compile_definitions( date INTERFACE
#To workaround libstdc++ issue https://github.com/HowardHinnant/date/issues/388
ONLY_C_LOCALE=$<IF:$<BOOL:${COMPILE_WITH_C_LOCALE}>,1,0>
$<$<BOOL:${DISABLE_STRING_VIEW}>:HAS_STRING_VIEW=0> )
# These used to be set with generator expressions,
#
# ONLY_C_LOCALE=$<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 )
endif()
#[===================================================================[
tz (compiled) library
@ -89,27 +104,40 @@ if( BUILD_TZ_LIB )
target_sources( date-tz
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:include>/date/tz.h
$<$<BOOL:${IOS}>:$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>$<INSTALL_INTERFACE:include>/date/ios.h>
PRIVATE
include/date/tz_private.h
$<$<BOOL:${IOS}>:src/ios.mm>
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::tz ALIAS date-tz )
target_link_libraries( date-tz PUBLIC date )
target_include_directories( date-tz PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include> )
target_compile_definitions( date-tz
PRIVATE
AUTO_DOWNLOAD=$<IF:$<OR:$<BOOL:${USE_SYSTEM_TZ_DB}>,$<BOOL:${MANUAL_TZ_DB}>>,0,1>
HAS_REMOTE_API=$<IF:$<OR:$<BOOL:${USE_SYSTEM_TZ_DB}>,$<BOOL:${MANUAL_TZ_DB}>>,0,1>
$<$<AND:$<BOOL:${WIN32}>,$<BOOL:${BUILD_SHARED_LIBS}>>:DATE_BUILD_DLL=1>
$<$<BOOL:${USE_TZ_DB_IN_DOT}>:INSTALL=.>
PUBLIC
USE_OS_TZDB=$<IF:$<AND:$<BOOL:${USE_SYSTEM_TZ_DB}>,$<NOT:$<BOOL:${WIN32}>>,$<NOT:$<BOOL:${MANUAL_TZ_DB}>>>,1,0>
INTERFACE
$<$<AND:$<BOOL:${WIN32}>,$<BOOL:${BUILD_SHARED_LIBS}>>:DATE_USE_DLL=1> )
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( )