project(LinkObjLHSShared C) # Create a versioned shared library that does not build as part of "all". add_library(OtherLib SHARED a.c) target_compile_definitions(OtherLib INTERFACE REQUIRED PRIVATE COMPILE_FOR_SHARED_LIB) set_target_properties(OtherLib PROPERTIES SOVERSION 0 VERSION 0.0.0 EXCLUDE_FROM_ALL ON) add_library(AnObjLib OBJECT requires.c) target_link_libraries(AnObjLib PUBLIC OtherLib) add_executable(LinkObjLHSShared LinkObjLHSShared.c) target_link_libraries(LinkObjLHSShared AnObjLib) # Verify that our dependency on OtherLib generated its versioning symlinks. if(CMAKE_GENERATOR STREQUAL "Xcode" AND "${CMAKE_SYSTEM_NAME};${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "Darwin;arm64") # Xcode runs POST_BUILD before signing, so let the linker use ad-hoc signing. # See CMake Issue 21845. target_link_options(LinkObjLHSShared PRIVATE LINKER:-adhoc_codesign) endif() add_custom_command(TARGET LinkObjLHSShared POST_BUILD COMMAND LinkObjLHSShared)