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Support for the mold linker #4807

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merged 1 commit into from
Nov 13, 2023
Merged

Support for the mold linker #4807

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16 changes: 12 additions & 4 deletions Builds/CMake/RippledCompiler.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -131,7 +131,16 @@ else ()
>)
endif ()

if (use_gold AND is_gcc)
if (use_mold)
# use mold linker if available
execute_process (
COMMAND ${CMAKE_CXX_COMPILER} -fuse-ld=mold -Wl,--version
ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
if ("${LD_VERSION}" MATCHES "mold")
target_link_libraries (common INTERFACE -fuse-ld=mold)
endif ()
unset (LD_VERSION)
elseif (use_gold AND is_gcc)
# use gold linker if available
execute_process (
COMMAND ${CMAKE_CXX_COMPILER} -fuse-ld=gold -Wl,--version
Expand Down Expand Up @@ -163,9 +172,7 @@ if (use_gold AND is_gcc)
$<$<NOT:$<BOOL:${static}>>:-Wl,--disable-new-dtags>)
endif ()
unset (LD_VERSION)
endif ()

if (use_lld)
elseif (use_lld)
# use lld linker if available
execute_process (
COMMAND ${CMAKE_CXX_COMPILER} -fuse-ld=lld -Wl,--version
Expand All @@ -176,6 +183,7 @@ if (use_lld)
unset (LD_VERSION)
endif()


if (assert)
foreach (var_ CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
STRING (REGEX REPLACE "[-/]DNDEBUG" "" ${var_} "${${var_}}")
Expand Down
2 changes: 2 additions & 0 deletions Builds/CMake/RippledSettings.cmake
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Expand Up @@ -37,6 +37,7 @@ if (is_linux)
option (static "link protobuf, openssl, libc++, and boost statically" ON)
option (perf "Enables flags that assist with perf recording" OFF)
option (use_gold "enables detection of gold (binutils) linker" ON)
option (use_mold "enables detection of mold (binutils) linker" ON)
else ()
# we are not ready to allow shared-libs on windows because it would require
# export declarations. On macos it's more feasible, but static openssl
Expand All @@ -45,6 +46,7 @@ else ()
set (static ON CACHE BOOL "static link, linux only. ON for WIN/macos" FORCE)
set (perf OFF CACHE BOOL "perf flags, linux only" FORCE)
set (use_gold OFF CACHE BOOL "gold linker, linux only" FORCE)
set (use_mold OFF CACHE BOOL "mold linker, linux only" FORCE)
endif ()
if (is_clang)
option (use_lld "enables detection of lld linker" ON)
Expand Down
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