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use lld instead of system linker
2017-03-13 11:54:56 -04:00
# Copyright (c) 2017 Andrew Kelley
# This file is MIT licensed.
# See http://opensource.org/licenses/MIT
# LLD_FOUND
# LLD_INCLUDE_DIRS
# LLD_LIBRARIES
update to llvm master
2017-10-23 21:43:18 -04:00
find_path(LLD_INCLUDE_DIRS NAMES lld/Common/Driver.h
CMake: Improve usage of `llvm-config`, esp. for consistent linking This commit reworks the LLVM/Clang/LLD discovery process for CMake. The biggest changes are that: 1. We search for LLVM from most preferred directory to least, skipping any `llvm-config` that is the wrong version, or that doesn't support the requested link mode ("static" or "shared"). 2. `ZIG_PREFER_CLANG_CPP_DYLIB` has been renamed to `ZIG_SHARED_LLVM`, to better align with `ZIG_STATIC_LLVM`. 3. We only search for LLVM in the same directory alongside LLVM. 4. LLVM's link mode is forwarded to Clang, so that we can look for the appropriate shared/static libraries. 5. We use `--link-static` when querying `--system-libs` from llvm-config, so that this will include libz and other dependencies for statically linking LLD
2022-07-15 18:51:41 -07:00
HINTS ${LLVM_INCLUDE_DIRS}
CMake: Search more permissively for LLD This change relaxes the restriction added in the prior commit that LLD should be alongside LLVM. This also leaves unresolved the issue of making sure the link mode (static or shared) of LLD matches that of LLVM/Clang. That would be an unfortunate restriction, since LLD seems to be provided only as a static lib on some distros.
2022-07-16 08:26:45 -07:00
PATHS
build: update to LLVM 21 Closes #20966.
2025-07-16 04:41:14 +02:00
/usr/lib/llvm-21/include
/usr/local/llvm210/include
/usr/local/llvm21/include
/usr/local/opt/lld@21/include
/opt/homebrew/opt/lld@21/include
/home/linuxbrew/.linuxbrew/opt/lld@21/include
CMake: Search more permissively for LLD This change relaxes the restriction added in the prior commit that LLD should be alongside LLVM. This also leaves unresolved the issue of making sure the link mode (static or shared) of LLD matches that of LLVM/Clang. That would be an unfortunate restriction, since LLD seems to be provided only as a static lib on some distros.
2022-07-16 08:26:45 -07:00
/mingw64/include)
use lld instead of system linker
2017-03-13 11:54:56 -04:00
build: update to LLVM 21 Closes #20966.
2025-07-16 04:41:14 +02:00
find_library(LLD_LIBRARY NAMES lld-21.0 lld210 lld NAMES_PER_DIR
CMake: Improve usage of `llvm-config`, esp. for consistent linking This commit reworks the LLVM/Clang/LLD discovery process for CMake. The biggest changes are that: 1. We search for LLVM from most preferred directory to least, skipping any `llvm-config` that is the wrong version, or that doesn't support the requested link mode ("static" or "shared"). 2. `ZIG_PREFER_CLANG_CPP_DYLIB` has been renamed to `ZIG_SHARED_LLVM`, to better align with `ZIG_STATIC_LLVM`. 3. We only search for LLVM in the same directory alongside LLVM. 4. LLVM's link mode is forwarded to Clang, so that we can look for the appropriate shared/static libraries. 5. We use `--link-static` when querying `--system-libs` from llvm-config, so that this will include libz and other dependencies for statically linking LLD
2022-07-15 18:51:41 -07:00
HINTS ${LLVM_LIBDIRS}
CMake: Search more permissively for LLD This change relaxes the restriction added in the prior commit that LLD should be alongside LLVM. This also leaves unresolved the issue of making sure the link mode (static or shared) of LLD matches that of LLVM/Clang. That would be an unfortunate restriction, since LLD seems to be provided only as a static lib on some distros.
2022-07-16 08:26:45 -07:00
PATHS
build: update to LLVM 21 Closes #20966.
2025-07-16 04:41:14 +02:00
/usr/lib/llvm-21/lib
/usr/local/llvm210/lib
/usr/local/llvm21/lib
/usr/local/opt/lld@21/lib
/opt/homebrew/opt/lld@21/lib
/home/linuxbrew/.linuxbrew/opt/lld@21/lib
Merge remote-tracking branch 'origin/master' into llvm8
2018-12-23 17:04:26 -05:00
)
build: ignore libLLD.so when it is a broken symlink closes #318
2017-04-13 00:12:44 -04:00
if(EXISTS ${LLD_LIBRARY})
try harder to find lld
2017-04-11 06:44:45 -04:00
set(LLD_LIBRARIES ${LLD_LIBRARY})
else()
use lld instead of system linker
2017-03-13 11:54:56 -04:00
macro(FIND_AND_ADD_LLD_LIB _libname_)
try harder to find lld
2017-04-11 06:44:45 -04:00
string(TOUPPER ${_libname_} _prettylibname_)
CMake: Use NAMES_PER_DIR in all lookups CMake has a surprising default behavior where looking up a library by multiple names gives the name order higher priority than the directory search order. For example, if your system provides "llvm-config-14" and CMAKE_PREFIX_PATH includes "llvm-config", CMake will always end up choosing the system-provided llvm-config-14. This change add NAMES_PER_DIR to request the more sensible behavior: directory search order has higher priority than name order, so CMAKE_PREFIX_PATH always wins over system-provided tools/libraries.
2022-07-13 10:36:25 -07:00
find_library(LLD_${_prettylibname_}_LIB NAMES ${_libname_} NAMES_PER_DIR
CMake: Improve usage of `llvm-config`, esp. for consistent linking This commit reworks the LLVM/Clang/LLD discovery process for CMake. The biggest changes are that: 1. We search for LLVM from most preferred directory to least, skipping any `llvm-config` that is the wrong version, or that doesn't support the requested link mode ("static" or "shared"). 2. `ZIG_PREFER_CLANG_CPP_DYLIB` has been renamed to `ZIG_SHARED_LLVM`, to better align with `ZIG_STATIC_LLVM`. 3. We only search for LLVM in the same directory alongside LLVM. 4. LLVM's link mode is forwarded to Clang, so that we can look for the appropriate shared/static libraries. 5. We use `--link-static` when querying `--system-libs` from llvm-config, so that this will include libz and other dependencies for statically linking LLD
2022-07-15 18:51:41 -07:00
HINTS ${LLVM_LIBDIRS}
CMake: Search more permissively for LLD This change relaxes the restriction added in the prior commit that LLD should be alongside LLVM. This also leaves unresolved the issue of making sure the link mode (static or shared) of LLD matches that of LLVM/Clang. That would be an unfortunate restriction, since LLD seems to be provided only as a static lib on some distros.
2022-07-16 08:26:45 -07:00
PATHS
${LLD_LIBDIRS}
build: update to LLVM 21 Closes #20966.
2025-07-16 04:41:14 +02:00
/usr/lib/llvm-21/lib
/usr/local/llvm210/lib
/usr/local/llvm21/lib
/usr/local/opt/lld@21/lib
/opt/homebrew/opt/lld@21/lib
/home/linuxbrew/.linuxbrew/opt/lld@21/lib
CMake: Search more permissively for LLD This change relaxes the restriction added in the prior commit that LLD should be alongside LLVM. This also leaves unresolved the issue of making sure the link mode (static or shared) of LLD matches that of LLVM/Clang. That would be an unfortunate restriction, since LLD seems to be provided only as a static lib on some distros.
2022-07-16 08:26:45 -07:00
/mingw64/lib
/c/msys64/mingw64/lib
c:/msys64/mingw64/lib)
CMake: Improve usage of `llvm-config`, esp. for consistent linking This commit reworks the LLVM/Clang/LLD discovery process for CMake. The biggest changes are that: 1. We search for LLVM from most preferred directory to least, skipping any `llvm-config` that is the wrong version, or that doesn't support the requested link mode ("static" or "shared"). 2. `ZIG_PREFER_CLANG_CPP_DYLIB` has been renamed to `ZIG_SHARED_LLVM`, to better align with `ZIG_STATIC_LLVM`. 3. We only search for LLVM in the same directory alongside LLVM. 4. LLVM's link mode is forwarded to Clang, so that we can look for the appropriate shared/static libraries. 5. We use `--link-static` when querying `--system-libs` from llvm-config, so that this will include libz and other dependencies for statically linking LLD
2022-07-15 18:51:41 -07:00
if(LLD_${_prettylibname_}_LIB)
set(LLD_LIBRARIES ${LLD_LIBRARIES} ${LLD_${_prettylibname_}_LIB})
try harder to find lld
2017-04-11 06:44:45 -04:00
endif()
endmacro(FIND_AND_ADD_LLD_LIB)
use lld instead of system linker
2017-03-13 11:54:56 -04:00
update to llvm master
2017-10-23 21:43:18 -04:00
FIND_AND_ADD_LLD_LIB(lldMinGW)
try harder to find lld
2017-04-11 06:44:45 -04:00
FIND_AND_ADD_LLD_LIB(lldELF)
FIND_AND_ADD_LLD_LIB(lldCOFF)
llvm7: find external liblldWasm and update for newest lld macho API
2018-06-14 18:28:42 -04:00
FIND_AND_ADD_LLD_LIB(lldWasm)
stage1: Fix missing LLD library
2022-02-03 21:12:36 -08:00
FIND_AND_ADD_LLD_LIB(lldMachO)
update to llvm master
2017-10-23 21:43:18 -04:00
FIND_AND_ADD_LLD_LIB(lldCommon)
try harder to find lld
2017-04-11 06:44:45 -04:00
endif()
use lld instead of system linker
2017-03-13 11:54:56 -04:00
include(FindPackageHandleStandardArgs)
cmake: address new warnings from cmake-3.17 Match package-name case from CMakeLists.txt . New warning sample: The package name passed to `find_package_handle_standard_args` (LLVM) does not match the name of the calling package (llvm). This can lead to problems in calling code that expects `find_package` result variables (e.g., `_FOUND`) to follow a certain pattern.
2020-03-25 18:43:28 -04:00
find_package_handle_standard_args(lld DEFAULT_MSG LLD_LIBRARIES LLD_INCLUDE_DIRS)
use lld instead of system linker
2017-03-13 11:54:56 -04:00
mark_as_advanced(LLD_INCLUDE_DIRS LLD_LIBRARIES)
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