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Merge topic 'aix-gnu-no-lto'

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cff46f99ee AIX: Disable LTO/IPO with GCC, which does not support it

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !12430
This commit is contained in:
Brad King
2026-08-25 10:41:48 -04:00
committed by Kitware Robot
parent ccbe5eaeb7 cff46f99ee
commit 072038c191
1 changed files with 2 additions and 1 deletions
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Modules/Compiler/GNU.cmake
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@@ -77,7 +77,8 @@ macro(__compiler_gnu lang)
# '-flto' introduced since GCC 4.5:
# * https://gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/Option-Summary.html (no)
# * https://gcc.gnu.org/onlinedocs/gcc-4.5.4/gcc/Option-Summary.html (yes)
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.5)
# * It does not support AIX.
if(NOT CMAKE_${lang}_COMPILER_VERSION VERSION_LESS 4.5 AND NOT CMAKE_SYSTEM_NAME STREQUAL "AIX")
set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
set(__lto_flags "")