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Fixing llvm-shlib's LLVM_DYLIB_EXPORT_ALL to work with Darwin fat binaries. 

llvm-svn: 235114
This commit is contained in:
Chris Bieneman 2015-04-16 16:56:22 +00:00
parent 8427169642
commit 3ee81964ea
1 changed files with 26 additions and 24 deletions
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50
llvm/tools/llvm-shlib/CMakeLists.txt
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@ -55,37 +55,37 @@ if(NOT DEFINED LLVM_DYLIB_EXPORTED_SYMBOL_FILE)
set(LLVM_EXPORTED_SYMBOL_FILE ${CMAKE_BINARY_DIR}/libllvm.exports)
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)
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})
list(APPEND LLVM_DYLIB_REQUIRED_EXPORTS ${LIB_EXPORTS_PATH})
if (LLVM_DYLIB_EXPORT_ALL)
add_custom_command(OUTPUT ${LIB_EXPORTS_PATH}
COMMAND nm ${LIB_PATH} | awk "/T / { print $3 }" | sort -u | sed -e "s/^_//g" > ${LIB_EXPORTS_PATH}
WORKING_DIRECTORY ${LIB_DIR}
DEPENDS ${lib}
COMMENT "Generating Export list for ${lib}..."
VERBATIM )
else()
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 )
endif()
endforeach ()
endforeach ()
endif()
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...")
if (LLVM_DYLIB_EXPORT_ALL)
add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
COMMAND echo "LLVM*" > ${LLVM_EXPORTED_SYMBOL_FILE} && echo "_ZN4llvm*" >> ${LLVM_EXPORTED_SYMBOL_FILE}
WORKING_DIRECTORY ${LIB_DIR}
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()
@ -95,10 +95,12 @@ endif()
add_llvm_library(LLVM SHARED ${SOURCES})
list(REMOVE_DUPLICATES LIB_NAMES)
if("${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})