From 3dd776ccfdd52271dc32db2b7495ec3c7449aa22 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 3 May 2021 14:35:54 -0400
Subject: Windows-Clang: Support duplicate object names in LTO archives

Update the archive rules added by commit 6e3655db2c (Clang: add LTO
support for GNU-command line clang on windows, 2019-07-08,
v3.16.0-rc1~161^2~3) to match the `ar` convention we use for normal
archives.

Issue: #21988
---
 Modules/Platform/Windows-Clang.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Modules/Platform/Windows-Clang.cmake b/Modules/Platform/Windows-Clang.cmake
index 7365ff5..373be76 100644
--- a/Modules/Platform/Windows-Clang.cmake
+++ b/Modules/Platform/Windows-Clang.cmake
@@ -57,8 +57,8 @@ macro(__windows_compiler_clang_gnu lang)
   set(CMAKE_${lang}_COMPILE_OPTIONS_IPO "-flto")
   set(_CMAKE_${lang}_IPO_SUPPORTED_BY_CMAKE YES)
   set(_CMAKE_${lang}_IPO_MAY_BE_SUPPORTED_BY_COMPILER YES)
-  set(CMAKE_${lang}_ARCHIVE_CREATE_IPO "<CMAKE_AR> cr <TARGET> <LINK_FLAGS> <OBJECTS>")
-  set(CMAKE_${lang}_ARCHIVE_APPEND_IPO "<CMAKE_AR> r <TARGET> <LINK_FLAGS> <OBJECTS>")
+  set(CMAKE_${lang}_ARCHIVE_CREATE_IPO "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>")
+  set(CMAKE_${lang}_ARCHIVE_APPEND_IPO "<CMAKE_AR> q <TARGET> <LINK_FLAGS> <OBJECTS>")
   set(CMAKE_${lang}_ARCHIVE_FINISH_IPO "<CMAKE_RANLIB> <TARGET>")
 
   # Create archiving rules to support large object file lists for static libraries.
-- 
cgit v0.12