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Linker: Detect GNU push-state/pop-state flags more robustly

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Try actually passing them to the linker to see whether it complains.

Fixes: #26766
This commit is contained in:
Marc Chevrier
2025-03-13 16:14:15 +01:00
committed by Brad King
parent 7b552b9a64
commit d5be7c7f31
1 changed files with 5 additions and 4 deletions
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9
Modules/Platform/Linker/GNU.cmake
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@@ -21,10 +21,11 @@ function(__cmake_set_whole_archive_feature __linker)
endif() endif()
if(NOT DEFINED CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED) if(NOT DEFINED CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED)
execute_process(COMMAND "${__linker}" --help # launch linker to check if push_state/pop_state options are supported
OUTPUT_VARIABLE __linker_help execute_process(COMMAND "${__linker}" --push-state --pop-state
ERROR_VARIABLE __linker_help) OUTPUT_VARIABLE __linker_log
if(__linker_help MATCHES "--push-state" AND __linker_help MATCHES "--pop-state") ERROR_VARIABLE __linker_log)
if(__linker_log MATCHES "--push-state" OR __linker_log MATCHES "--pop-state")
set(CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED FALSE) set(CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED FALSE)
else() else()
set(CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED TRUE) set(CMAKE_${__lang}LINKER_PUSHPOP_STATE_SUPPORTED TRUE)