For linux I use find_package(ICU 57.1 COMPONENTS uc i18n data REQUIRED) all works fine. But for other platforms I want build icu package included as submodule.
Again all works fine:
target_include_directories(icuuc PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/common")
target_compile_definitions(icuuc PUBLIC ${DEFS})
target_link_libraries(app PRIVATE icuuc)
All works fine again, but now I want merge code for linux and other platforms.
On linux the name is ICU::uc and in other cases icuuc.
I try to add add_library(ICU::uc ALIAS icuuc) but looks like
target_include_directories and target_compile_definitions are lost in case of alias usage. I got error:
file not found
#include <unicode/uversion.h>
But if replace target_link_libraries(app PRIVATE ICU::uc) with target_link_libraries(app PRIVATE icuuc) all build just fine.
So at least larget_include_directories doesn’t work for ALIAS,
is it the bug or I missed something?
I test on Linux/Makefile and macOS/Makefile