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Allow building with llvm-clang in macOS

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Supressing the linking warnings on macOS are relevant when we are
using AppleClang and not upstream Clang.

The provided arguments do not apply to llvm-ar and llvm-ranlib.

Change-Id: I8b664c01802b47077eb0ab80dab7681ee0bfcaa9
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
(cherry picked from commit 05a7cbef5b6a32edd31f42da4ace2e7ab1fd35da)
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
This commit is contained in:
Kuntal Majumder 2023-02-18 14:18:33 +01:00 committed by Alexandru Croitor
parent ffbb003eae
commit 821c95d88d
1 changed files with 1 additions and 1 deletions
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cmake/QtBuild.cmake
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@ -434,7 +434,7 @@ set(QT_TOP_LEVEL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
# Prevent warnings about object files without any symbols. This is a common
# thing in Qt as we tend to build files unconditionally, and then use ifdefs
# to compile out parts that are not relevant.
if(CMAKE_HOST_APPLE AND APPLE)
if(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
foreach(lang ASM C CXX)
# We have to tell 'ar' to not run ranlib by itself, by passing the 'S' option
set(CMAKE_${lang}_ARCHIVE_CREATE "<CMAKE_AR> qcS <TARGET> <LINK_FLAGS> <OBJECTS>")