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llvm-mirror/lib/Support/CMakeLists.txt
Tom Stellard 28bf7f3536 [cmake] Explicitly mark libraries defined in lib/ as "Component Libraries"
Summary:
Most libraries are defined in the lib/ directory but there are also a
few libraries defined in tools/ e.g. libLLVM, libLTO.  I'm defining
"Component Libraries" as libraries defined in lib/ that may be included in
libLLVM.so.  Explicitly marking the libraries in lib/ as component
libraries allows us to remove some fragile checks that attempt to
differentiate between lib/ libraries and tools/ libraires:

1. In tools/llvm-shlib, because
llvm_map_components_to_libnames(LIB_NAMES "all") returned a list of
all libraries defined in the whole project, there was custom code
needed to filter out libraries defined in tools/, none of which should
be included in libLLVM.so.  This code assumed that any library
defined as static was from lib/ and everything else should be
excluded.

With this change, llvm_map_components_to_libnames(LIB_NAMES, "all")
only returns libraries that have been added to the LLVM_COMPONENT_LIBS
global cmake property, so this custom filtering logic can be removed.
Doing this also fixes the build with BUILD_SHARED_LIBS=ON
and LLVM_BUILD_LLVM_DYLIB=ON.

2. There was some code in llvm_add_library that assumed that
libraries defined in lib/ would not have LLVM_LINK_COMPONENTS or
ARG_LINK_COMPONENTS set.  This is only true because libraries
defined lib lib/ use LLVMBuild.txt and don't set these values.
This code has been fixed now to check if the library has been
explicitly marked as a component library, which should now make it
easier to remove LLVMBuild at some point in the future.

I have tested this patch on Windows, MacOS and Linux with release builds
and the following combinations of CMake options:

- "" (No options)
- -DLLVM_BUILD_LLVM_DYLIB=ON
- -DLLVM_LINK_LLVM_DYLIB=ON
- -DBUILD_SHARED_LIBS=ON
- -DBUILD_SHARED_LIBS=ON -DLLVM_BUILD_LLVM_DYLIB=ON
- -DBUILD_SHARED_LIBS=ON -DLLVM_LINK_LLVM_DYLIB=ON

Reviewers: beanz, smeenai, compnerd, phosek

Reviewed By: beanz

Subscribers: wuzish, jholewinski, arsenm, dschuff, jyknight, dylanmckay, sdardis, nemanjai, jvesely, nhaehnle, mgorny, mehdi_amini, sbc100, jgravelle-google, hiraditya, aheejin, fedor.sergeev, asb, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, jrtc27, MaskRay, zzheng, edward-jones, atanasyan, steven_wu, rogfer01, MartinMosbeck, brucehoult, the_o, dexonsmith, PkmX, jocewei, jsji, dang, Jim, lenary, s.egerton, pzheng, sameer.abuasal, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70179
2019-11-21 10:48:08 -08:00

200 lines
4.4 KiB
CMake

set(system_libs)
if ( LLVM_ENABLE_ZLIB AND HAVE_LIBZ )
set(system_libs ${system_libs} ${ZLIB_LIBRARIES})
endif()
if( MSVC OR MINGW )
# libuuid required for FOLDERID_Profile usage in lib/Support/Windows/Path.inc.
# advapi32 required for CryptAcquireContextW in lib/Support/Windows/Path.inc.
set(system_libs ${system_libs} psapi shell32 ole32 uuid advapi32)
elseif( CMAKE_HOST_UNIX )
if( HAVE_LIBRT )
set(system_libs ${system_libs} rt)
endif()
if( HAVE_LIBDL )
set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
endif()
if( HAVE_BACKTRACE AND NOT "${Backtrace_LIBRARIES}" STREQUAL "" )
# On BSDs, CMake returns a fully qualified path to the backtrace library.
# We need to remove the path and the 'lib' prefix, to make it look like a
# regular short library name, suitable for appending to a -l link flag.
get_filename_component(Backtrace_LIBFILE ${Backtrace_LIBRARIES} NAME_WE)
STRING(REGEX REPLACE "^lib" "" Backtrace_LIBFILE ${Backtrace_LIBFILE})
set(system_libs ${system_libs} ${Backtrace_LIBFILE})
endif()
if(LLVM_ENABLE_TERMINFO)
if(HAVE_TERMINFO)
set(system_libs ${system_libs} ${TERMINFO_LIBS})
endif()
endif()
if( LLVM_ENABLE_THREADS AND HAVE_LIBATOMIC )
set(system_libs ${system_libs} atomic)
endif()
set(system_libs ${system_libs} ${LLVM_PTHREAD_LIB})
if( UNIX AND NOT (BEOS OR HAIKU) )
set(system_libs ${system_libs} m)
endif()
if( FUCHSIA )
set(system_libs ${system_libs} zircon)
endif()
endif( MSVC OR MINGW )
# Delay load shell32.dll if possible to speed up process startup.
set (delayload_flags)
if (MSVC)
set (delayload_flags delayimp -delayload:shell32.dll -delayload:ole32.dll)
endif()
# Link Z3 if the user wants to build it.
if(LLVM_WITH_Z3)
set(Z3_LINK_FILES ${Z3_LIBRARIES})
else()
set(Z3_LINK_FILES "")
endif()
add_llvm_component_library(LLVMSupport
AArch64TargetParser.cpp
ABIBreak.cpp
ARMTargetParser.cpp
AMDGPUMetadata.cpp
APFloat.cpp
APInt.cpp
APSInt.cpp
ARMBuildAttrs.cpp
ARMAttributeParser.cpp
ARMWinEH.cpp
Allocator.cpp
BinaryStreamError.cpp
BinaryStreamReader.cpp
BinaryStreamRef.cpp
BinaryStreamWriter.cpp
BlockFrequency.cpp
BranchProbability.cpp
BuryPointer.cpp
CachePruning.cpp
circular_raw_ostream.cpp
Chrono.cpp
COM.cpp
CodeGenCoverage.cpp
CommandLine.cpp
Compression.cpp
CRC.cpp
ConvertUTF.cpp
ConvertUTFWrapper.cpp
CrashRecoveryContext.cpp
DataExtractor.cpp
Debug.cpp
DebugCounter.cpp
DeltaAlgorithm.cpp
DAGDeltaAlgorithm.cpp
DJB.cpp
Error.cpp
ErrorHandling.cpp
FileCheck.cpp
FileCollector.cpp
FileUtilities.cpp
FileOutputBuffer.cpp
FoldingSet.cpp
FormattedStream.cpp
FormatVariadic.cpp
GlobPattern.cpp
GraphWriter.cpp
Hashing.cpp
InitLLVM.cpp
IntEqClasses.cpp
IntervalMap.cpp
ItaniumManglingCanonicalizer.cpp
JSON.cpp
KnownBits.cpp
LEB128.cpp
LineIterator.cpp
Locale.cpp
LockFileManager.cpp
LowLevelType.cpp
ManagedStatic.cpp
MathExtras.cpp
MemoryBuffer.cpp
MD5.cpp
NativeFormatting.cpp
Optional.cpp
Parallel.cpp
PluginLoader.cpp
PrettyStackTrace.cpp
RandomNumberGenerator.cpp
Regex.cpp
ScaledNumber.cpp
ScopedPrinter.cpp
SHA1.cpp
Signposts.cpp
SmallPtrSet.cpp
SmallVector.cpp
SourceMgr.cpp
SpecialCaseList.cpp
Statistic.cpp
StringExtras.cpp
StringMap.cpp
StringPool.cpp
StringSaver.cpp
StringRef.cpp
SymbolRemappingReader.cpp
SystemUtils.cpp
TarWriter.cpp
TargetParser.cpp
ThreadPool.cpp
TimeProfiler.cpp
Timer.cpp
ToolOutputFile.cpp
TrigramIndex.cpp
Triple.cpp
Twine.cpp
Unicode.cpp
UnicodeCaseFold.cpp
VersionTuple.cpp
VirtualFileSystem.cpp
WithColor.cpp
YAMLParser.cpp
YAMLTraits.cpp
raw_os_ostream.cpp
raw_ostream.cpp
regcomp.c
regerror.c
regexec.c
regfree.c
regstrlcpy.c
xxhash.cpp
Z3Solver.cpp
# System
Atomic.cpp
DynamicLibrary.cpp
Errno.cpp
Host.cpp
Memory.cpp
Path.cpp
Process.cpp
Program.cpp
RWMutex.cpp
Signals.cpp
TargetRegistry.cpp
ThreadLocal.cpp
Threading.cpp
Valgrind.cpp
Watchdog.cpp
ADDITIONAL_HEADER_DIRS
Unix
Windows
${LLVM_MAIN_INCLUDE_DIR}/llvm/ADT
${LLVM_MAIN_INCLUDE_DIR}/llvm/Support
${Backtrace_INCLUDE_DIRS}
LINK_LIBS ${system_libs} ${delayload_flags} ${Z3_LINK_FILES}
)
set_property(TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS "${system_libs}")
if(LLVM_WITH_Z3)
target_include_directories(LLVMSupport SYSTEM
PRIVATE
${Z3_INCLUDE_DIR}
)
endif()