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CMake: Suppress IBM XL optimization warning

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`xlC` now warns "Additional optimization may be attained by recompiling
and specifying MAXMEM option" on `cmExportPackageInfoGenerator`.
Add the suggested option.
This commit is contained in:
Matthew Woehlke 2024-08-21 14:46:42 -04:00 committed by Brad King
parent 1a846c8849
commit b2dc1bd149
1 changed files with 7 additions and 1 deletions
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8
CompileFlags.cmake
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@ -37,7 +37,13 @@ elseif(_CLANG_MSVC_WINDOWS AND "x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUA
string(APPEND CMAKE_EXE_LINKER_FLAGS " -Xlinker -stack:20000000")
endif()
#silence duplicate symbol warnings on AIX
# Silence "Additional optimization may be attained by recompiling and
# specifying MAXMEM option" warning on XLC (AIX)
if(CMAKE_CXX_COMPILER_ID MATCHES "^(XL|XLClang)$")
string(APPEND CMAKE_CXX_FLAGS " -qmaxmem=-1")
endif()
# Silence duplicate symbol warnings on AIX
if(CMAKE_SYSTEM_NAME MATCHES "AIX")
if(NOT CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -bhalt:5 ")