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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")
if(XCODE_VERSION VERSION_GREATER_EQUAL 15)
# Xcode 15+ enforces '-Xlinker -no_adhoc_codesign' after user flags,
# so we cannot convince the linker to add an adhoc signature.
add_custom_command(TARGET LinkObjLHSShared POST_BUILD COMMAND codesign --sign - --force "$<TARGET_FILE:LinkObjLHSShared>")
else()
# 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()
endif()
add_custom_command(TARGET LinkObjLHSShared POST_BUILD COMMAND LinkObjLHSShared)
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