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Add LTO and gold plugin to the CMake build. Linux-only, support for

Browse Source 
other systems pending.

PR9456.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127466 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Oscar Fuentes 2011-03-11 15:44:24 +00:00
parent 2715a58149
commit 1dc550b383
3 changed files with 58 additions and 0 deletions
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8
tools/CMakeLists.txt
View File

@ -46,6 +46,14 @@ add_subdirectory(llvm-stub)
add_subdirectory(edis)
add_subdirectory(llvmc)
if( LLVM_ENABLE_PIC )
# TODO: support other systems:
if( CMAKE_SYSTEM_NAME STREQUAL "Linux" )
add_subdirectory(lto)
add_subdirectory(gold)
endif()
endif()
if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/clang/CMakeLists.txt )
add_subdirectory( ${CMAKE_CURRENT_SOURCE_DIR}/clang )
endif( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/clang/CMakeLists.txt )

37
tools/gold/CMakeLists.txt Normal file
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@ -0,0 +1,37 @@
set(LLVM_BINUTILS_INCDIR "/usr/include" CACHE PATH
"PATH to binutils/include containing plugin-api.h for gold plugin.")
if( NOT EXISTS "${LLVM_BINUTILS_INCDIR}/plugin-api.h" )
message(STATUS "plugin-api.h not found. gold plugin excluded from the build.")
else()
include_directories( ${LLVM_BINUTILS_INCDIR} )
# Because off_t is used in the public API, the largefile parts are required for
# ABI compatibility.
add_definitions( -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 )
set(LLVM_LINK_COMPONENTS support)
add_llvm_loadable_module(LLVMgold
gold-plugin.cpp
)
# Makefile.rules contains a special cases for OpenBSD, Darwin and
# Windows. We restrict ourselves to Linux for the time being.
set(srcexp ${CMAKE_CURRENT_SOURCE_DIR}/gold.exports)
add_custom_command(OUTPUT exportsfile
COMMAND echo "{" > exportsfile
COMMAND grep -q "\\<" ${srcexp} && echo " global:" >> exportsfile || :
COMMAND sed -e "s/\$\$/;/" -e "s/^/ /" < ${srcexp} >> exportsfile
COMMAND echo " local: *;" >> exportsfile
COMMAND echo "};" >> exportsfile
DEPENDS ${srcexp}
VERBATIM
COMMENT "Creating export file for gold plugin")
add_custom_target(gold_exports DEPENDS exportsfile)
set_property(DIRECTORY APPEND
PROPERTY ADDITIONAL_MAKE_CLEAN_FILES exportsfile)
target_link_libraries(LLVMgold LTO -Wl,--version-script,exportsfile)
add_dependencies(LLVMgold gold_exports)
endif()

13
tools/lto/CMakeLists.txt Normal file
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@ -0,0 +1,13 @@
set(LLVM_LINK_COMPONENTS ipo scalaropts linker bitreader bitwriter)
add_definitions( -DLLVM_VERSION_INFO=\"${PACKAGE_VERSION}\" )
# TODO: build a static library too.
set(BUILD_SHARED_LIBS ON)
add_llvm_library(LTO
LTOCodeGenerator.cpp
lto.cpp
LTOModule.cpp
)