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fix

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Signed-off-by: Lloyd-Pottiger <yan1579196623@gmail.com>
This commit is contained in:
Lloyd-Pottiger 2022-10-29 18:58:11 +08:00
parent 4bd30c4fa6
commit 7419a3bd58
2 changed files with 10 additions and 5 deletions
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4
CMakeLists.txt
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@ -202,7 +202,7 @@ option(ADD_GDB_INDEX_FOR_GOLD "Add .gdb-index to resulting binaries for gold lin
if (NOT CMAKE_BUILD_TYPE_UC STREQUAL "RELEASE")
# Can be lld or ld-lld or lld-13 or /path/to/lld.
if (LINKER_NAME MATCHES "lld")
if (LINKER_NAME MATCHES "lld" AND OS_LINUX)
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--gdb-index")
message (STATUS "Adding .gdb-index via --gdb-index linker option.")
@ -248,7 +248,7 @@ endif ()
# Create BuildID when using lld. For other linkers it is created by default.
# (NOTE: LINKER_NAME can be either path or name, and in different variants)
if (LINKER_NAME MATCHES "lld")
if (LINKER_NAME MATCHES "lld" AND OS_LINUX)
# SHA1 is not cryptographically secure but it is the best what lld is offering.
set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--build-id=sha1")
endif ()

11
cmake/tools.cmake
View File

@ -57,14 +57,19 @@ if (NOT LINKER_NAME)
if (COMPILER_GCC)
find_program (LLD_PATH NAMES "ld.lld")
find_program (GOLD_PATH NAMES "ld.gold")
elseif (COMPILER_CLANG)
# llvm lld is a generic driver.
# Invoke ld.lld (Unix), ld64.lld (macOS), lld-link (Windows), wasm-ld (WebAssembly) instead
elseif (COMPILER_CLANG AND OS_LINUX)
find_program (LLD_PATH NAMES "ld.lld-${COMPILER_VERSION_MAJOR}" "lld-${COMPILER_VERSION_MAJOR}" "ld.lld" "lld")
find_program (GOLD_PATH NAMES "ld.gold" "gold")
elseif (COMPILER_CLANG AND OS_DARWIN)
find_program (LLD_PATH NAMES "ld64.lld-${COMPILER_VERSION_MAJOR}" "lld-${COMPILER_VERSION_MAJOR}" "ld64.lld" "lld")
find_program (GOLD_PATH NAMES "ld.gold" "gold")
endif ()
endif()
if (OS_LINUX AND NOT LINKER_NAME)
# prefer lld linker over gold or ld on linux
if ((OS_LINUX OR OS_DARWIN) AND NOT LINKER_NAME)
# prefer lld linker over gold or ld on linux and macos
if (LLD_PATH)
if (COMPILER_GCC)
# GCC driver requires one of supported linker names like "lld".