# library is enabled by setting LLVM_BUILD_LLVM_DYLIB=yes on the CMake
# commandline. By default the shared library only exports the LLVM C API.
-
-# You can configure which libraries from LLVM you want to include in the shared
-# library by setting LLVM_DYLIB_COMPONENTS to a semi-colon delimited list of
-# LLVM components. All compoenent names handled by llvm-config are valid.
-
-if(NOT DEFINED LLVM_DYLIB_COMPONENTS)
- set(LLVM_DYLIB_COMPONENTS
- ${LLVM_TARGETS_TO_BUILD}
- Analysis
- BitReader
- BitWriter
- CodeGen
- Core
- ExecutionEngine
- IPA
- IPO
- IRReader
- InstCombine
- Instrumentation
- Interpreter
- Linker
- MCDisassembler
- MCJIT
- ObjCARCOpts
- Object
- ScalarOpts
- Support
- Target
- TransformUtils
- Vectorize
- native
- )
-endif()
-
add_definitions( -DLLVM_VERSION_INFO=\"${PACKAGE_VERSION}\" )
set(SOURCES
libllvm.cpp
)
-if(NOT DEFINED LLVM_EXPORTED_SYMBOL_FILE)
+llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
+
+if(LLVM_LINK_LLVM_DYLIB)
+ if(NOT LLVM_DYLIB_EXPORT_ALL)
+ message(FATAL_ERROR "LLVM_DYLIB_EXPORT_ALL must be ON when LLVM_LINK_LLVM_DYLIB is ON")
+ endif()
+
+ # libLLVM.so should not have any dependencies on any other LLVM
+ # shared libraries. When using the "all" pseudo-component,
+ # LLVM_AVAILABLE_LIBS is added to the dependencies, which may
+ # contain shared libraries (e.g. libLTO).
+ #
+ # Also exclude libLLVMTableGen for the following reasons:
+ # - it is only used by internal *-tblgen utilities;
+ # - it pollutes the global options space.
+ foreach(lib ${LIB_NAMES})
+ get_target_property(t ${lib} TYPE)
+ if("${lib}" STREQUAL "LLVMTableGen")
+ elseif("x${t}" STREQUAL "xSTATIC_LIBRARY")
+ list(APPEND FILTERED_LIB_NAMES ${lib})
+ endif()
+ endforeach()
+ set(LIB_NAMES ${FILTERED_LIB_NAMES})
+endif()
+
+if(NOT DEFINED LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
if( WIN32 AND NOT CYGWIN )
message(FATAL_ERROR "Auto-generation not implemented for Win32 without GNU utils. Please specify LLVM_EXPORTED_SYMBOL_FILE.")
set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_BINARY_DIR}/libllvm.exports)
- llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
-
- foreach (lib ${LIB_NAMES})
-
- set(LIB_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
- set(LIB_NAME ${LIB_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${lib})
- set(LIB_PATH ${LIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX})
- set(LIB_EXPORTS_PATH ${LIB_NAME}.exports)
-
- list(APPEND LLVM_DYLIB_REQUIRED_EXPORTS ${LIB_EXPORTS_PATH})
+ if (NOT LLVM_DYLIB_EXPORT_ALL)
+ foreach (lib ${LIB_NAMES})
+ set(LIB_DIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
+ set(LIB_NAME ${LIB_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${lib})
+ set(LIB_PATH ${LIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX})
+ set(LIB_EXPORTS_PATH ${LIB_NAME}.exports)
+ list(APPEND LLVM_DYLIB_REQUIRED_EXPORTS ${LIB_EXPORTS_PATH})
+
+
+ add_custom_command(OUTPUT ${LIB_EXPORTS_PATH}
+ COMMAND nm ${LIB_PATH} | awk "/T _LLVM/ || /T LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_EXPORTS_PATH}
+ WORKING_DIRECTORY ${LIB_DIR}
+ DEPENDS ${lib}
+ COMMENT "Generating Export list for ${lib}..."
+ VERBATIM )
+ endforeach ()
+ endif()
- add_custom_command(OUTPUT ${LIB_EXPORTS_PATH}
- COMMAND nm ${LIB_PATH} | awk "/T _LLVM/ || /T LLVM/ { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_EXPORTS_PATH}
+ if (LLVM_DYLIB_EXPORT_ALL)
+ add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
+ COMMAND echo \"LLVM*\" > ${LLVM_EXPORTED_SYMBOL_FILE} && echo \"_Z*llvm*\" >> ${LLVM_EXPORTED_SYMBOL_FILE}
WORKING_DIRECTORY ${LIB_DIR}
- DEPENDS ${lib}
- COMMENT "Generating Export list for ${lib}..."
- VERBATIM )
- endforeach ()
-
- add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
- COMMAND cat ${LLVM_DYLIB_REQUIRED_EXPORTS} > ${LLVM_EXPORTED_SYMBOL_FILE}
- WORKING_DIRECTORY ${LIB_DIR}
- DEPENDS ${LLVM_DYLIB_REQUIRED_EXPORTS}
- COMMENT "Generating combined export list...")
+ DEPENDS ${LLVM_DYLIB_REQUIRED_EXPORTS}
+ COMMENT "Generating combined export list...")
+ else()
+ add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
+ COMMAND cat ${LLVM_DYLIB_REQUIRED_EXPORTS} > ${LLVM_EXPORTED_SYMBOL_FILE}
+ WORKING_DIRECTORY ${LIB_DIR}
+ DEPENDS ${LLVM_DYLIB_REQUIRED_EXPORTS}
+ COMMENT "Generating combined export list...")
+ endif()
add_custom_target(libLLVMExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
-
+else()
+ set(LLVM_EXPORTED_SYMBOL_FILE ${LLVM_DYLIB_EXPORTED_SYMBOL_FILE})
+ add_custom_target(libLLVMExports DEPENDS ${LLVM_EXPORTED_SYMBOL_FILE})
endif()
-add_llvm_library(LLVM SHARED ${SOURCES})
+add_llvm_library(LLVM SHARED DISABLE_LLVM_LINK_LLVM_DYLIB ${SOURCES})
+list(REMOVE_DUPLICATES LIB_NAMES)
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux") # FIXME: It should be "GNU ld for elf"
# GNU ld doesn't resolve symbols in the version script.
- list(REMOVE_DUPLICATES LIB_NAMES)
set(LIB_NAMES -Wl,--whole-archive ${LIB_NAMES} -Wl,--no-whole-archive)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+ set(LIB_NAMES -Wl,-all_load ${LIB_NAMES})
endif()
target_link_libraries(LLVM PRIVATE ${LIB_NAMES})