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Merge topic 'link-dependency-file'

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dc013be1fb Link Step: linker depfile configuration: bug fix

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !8915
This commit is contained in:
Brad King
2023-10-26 13:43:29 +00:00
committed by Kitware Robot
parent 91e4d86df3 dc013be1fb
commit 0715b17ddd
1 changed files with 6 additions and 5 deletions
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Modules/Compiler/GNU.cmake
+6 -5
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@@ -75,7 +75,7 @@ macro(__compiler_gnu lang)
if (NOT DEFINED CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED)
## check if this feature is supported by the linker
if (CMAKE_${lang}_COMPILER_LINKER AND CMAKE_${lang}_COMPILER_LINKER_ID MATCHES "GNU|LLD")
execute_process(COMMAND "${CMAKE_${lang}_COMPILER}" --help
execute_process(COMMAND "${CMAKE_${lang}_COMPILER_LINKER}" --help
OUTPUT_VARIABLE _linker_capabilities
ERROR_VARIABLE _linker_capabilities)
if(_linker_capabilities MATCHES "--dependency-file")
@@ -92,16 +92,17 @@ macro(__compiler_gnu lang)
if (CMAKE_${lang}_LINKER_DEPFILE_SUPPORTED)
set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER TRUE)
else()
unset(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER)
set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER FALSE)
endif()
# Due to GNU binutils ld bug when LTO is enabled (see GNU bug
# `30568 <https://sourceware.org/bugzilla/show_bug.cgi?id=30568>`_),
# deactivate this feature if the version is less than 2.41.
# For now, all known versions of gold linker have also this bug.
if (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNUgold"
OR (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNU"
AND CMAKE_${lang}_COMPILER_LINKER_VERSION VERSION_LESS "2.41"))
if (CMAKE_${lang}_COMPILER_LINKER_ID
AND (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNUgold"
OR (CMAKE_${lang}_COMPILER_LINKER_ID STREQUAL "GNU"
AND CMAKE_${lang}_COMPILER_LINKER_VERSION VERSION_LESS "2.41")))
set(CMAKE_${lang}_LINK_DEPENDS_USE_LINKER FALSE)
endif()