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[CMake] Updates to llvm-shlib to support overriding exports list and added an option to export all symbols.

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llvm-svn: 234798
This commit is contained in:
Chris Bieneman 2015-04-13 21:29:46 +00:00
parent ef47e64c07
commit aa3b63f479
2 changed files with 22 additions and 10 deletions
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1
CMakeLists.txt
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@ -333,6 +333,7 @@ option (LLVM_BUILD_EXTERNAL_COMPILER_RT
"Build compiler-rt as an external project." OFF)
option(LLVM_BUILD_LLVM_DYLIB "Build libllvm dynamic library" OFF)
option(LLVM_DYLIB_EXPORT_ALL "Export all symbols from libLLVM.dylib (default is C API only" OFF)
option(LLVM_DISABLE_LLVM_DYLIB_ATEXIT "Disable llvm-shlib's atexit destructors." ON)
if(LLVM_DISABLE_LLVM_DYLIB_ATEXIT)
set(DISABLE_LLVM_DYLIB_ATEXIT 1)

31
tools/llvm-shlib/CMakeLists.txt
View File

@ -42,7 +42,9 @@ set(SOURCES
libllvm.cpp
)
if(NOT DEFINED LLVM_EXPORTED_SYMBOL_FILE)
llvm_map_components_to_libnames(LIB_NAMES ${LLVM_DYLIB_COMPONENTS})
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.")
@ -53,8 +55,6 @@ if(NOT DEFINED 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})
@ -64,12 +64,21 @@ if(NOT DEFINED LLVM_EXPORTED_SYMBOL_FILE)
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 )
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 ()
add_custom_command(OUTPUT ${LLVM_EXPORTED_SYMBOL_FILE}
@ -79,7 +88,9 @@ if(NOT DEFINED LLVM_EXPORTED_SYMBOL_FILE)
COMMENT "Generating combined export list...")
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})