llvm-project/lldb/cmake/modules/AddLLDB.cmake

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CMake
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function(lldb_link_common_libs name targetkind)
if (NOT LLDB_USED_LIBS)
return()
endif()
if(${targetkind} MATCHES "SHARED")
set(LINK_KEYWORD ${cmake_2_8_12_PUBLIC})
endif()
if(${targetkind} MATCHES "SHARED" OR ${targetkind} MATCHES "EXE")
if (LLDB_LINKER_SUPPORTS_GROUPS)
target_link_libraries(${name} ${LINK_KEYWORD}
-Wl,--start-group ${LLDB_USED_LIBS} -Wl,--end-group)
else()
target_link_libraries(${name} ${LINK_KEYWORD} ${LLDB_USED_LIBS})
endif()
endif()
endfunction(lldb_link_common_libs)
macro(add_lldb_library name)
# only supported parameters to this macro are the optional
# MODULE;SHARED;STATIC library type and source files
cmake_parse_arguments(PARAM
"MODULE;SHARED;STATIC;OBJECT"
""
""
${ARGN})
llvm_process_sources(srcs ${PARAM_UNPARSED_ARGUMENTS})
if (MSVC_IDE OR XCODE)
string(REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
list(GET split_path -1 dir)
file(GLOB_RECURSE headers
../../include/lldb${dir}/*.h)
set(srcs ${srcs} ${headers})
endif()
if (PARAM_MODULE)
set(libkind MODULE)
elseif (PARAM_SHARED)
set(libkind SHARED)
elseif (PARAM_OBJECT)
set(libkind OBJECT)
else ()
# PARAM_STATIC or library type unspecified. BUILD_SHARED_LIBS
# does not control the kind of libraries created for LLDB,
# only whether or not they link to shared/static LLVM/Clang
# libraries.
set(libkind STATIC)
endif()
#PIC not needed on Win
if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
endif()
if (PARAM_OBJECT)
add_library(${name} ${libkind} ${srcs})
else()
llvm_add_library(${name} ${libkind} DISABLE_LLVM_LINK_LLVM_DYLIB ${srcs})
lldb_link_common_libs(${name} "${libkind}")
if (PARAM_SHARED)
if (LLDB_LINKER_SUPPORTS_GROUPS)
target_link_libraries(${name} ${cmake_2_8_12_PUBLIC}
-Wl,--start-group ${CLANG_USED_LIBS} -Wl,--end-group)
else()
target_link_libraries(${name} ${cmake_2_8_12_PUBLIC} ${CLANG_USED_LIBS})
endif()
endif()
llvm_config(${name} ${LLVM_LINK_COMPONENTS} ${LLVM_PRIVATE_LINK_COMPONENTS})
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "liblldb")
if (PARAM_SHARED)
install(TARGETS ${name}
RUNTIME DESTINATION bin
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
else()
install(TARGETS ${name}
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
endif()
endif()
endif()
# Hack: only some LLDB libraries depend on the clang autogenerated headers,
# but it is simple enough to make all of LLDB depend on some of those
# headers without negatively impacting much of anything.
add_dependencies(${name} libclang)
set_target_properties(${name} PROPERTIES FOLDER "lldb libraries")
endmacro(add_lldb_library)
macro(add_lldb_executable name)
add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
set_target_properties(${name} PROPERTIES FOLDER "lldb executables")
endmacro(add_lldb_executable)
# Support appending linker flags to an existing target.
# This will preserve the existing linker flags on the
# target, if there are any.
function(lldb_append_link_flags target_name new_link_flags)
# Retrieve existing linker flags.
get_target_property(current_link_flags ${target_name} LINK_FLAGS)
# If we had any linker flags, include them first in the new linker flags.
if(current_link_flags)
set(new_link_flags "${current_link_flags} ${new_link_flags}")
endif()
# Now set them onto the target.
set_target_properties(${target_name} PROPERTIES LINK_FLAGS ${new_link_flags})
endfunction()