From ff95dc7f449e31c7ccf789bdb1c8e903ed376561 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 26 Sep 2025 16:38:08 -0400
Subject: [PATCH] libarchive: Set build options the way we need for CMake

---
 Source/Modules/CMakeBuildUtilities.cmake | 1 +
 Utilities/cmlibarchive/CMakeLists.txt    | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Source/Modules/CMakeBuildUtilities.cmake b/Source/Modules/CMakeBuildUtilities.cmake
index 5c21fff8d8..da6781981c 100644
--- a/Source/Modules/CMakeBuildUtilities.cmake
+++ b/Source/Modules/CMakeBuildUtilities.cmake
@@ -290,6 +290,7 @@ else()
   set(ENABLE_CAT_SHARED OFF)
   set(ENABLE_UNZIP OFF)
   set(ENABLE_UNZIP_SHARED OFF)
+  set(ENABLE_WIN32_XMLLITE OFF)
   set(ENABLE_XATTR OFF)
   set(ENABLE_ACL OFF)
   set(ENABLE_ICONV OFF)
diff --git a/Utilities/cmlibarchive/CMakeLists.txt b/Utilities/cmlibarchive/CMakeLists.txt
index fd3314eb24..9957052dde 100644
--- a/Utilities/cmlibarchive/CMakeLists.txt
+++ b/Utilities/cmlibarchive/CMakeLists.txt
@@ -98,8 +98,10 @@ set(MACHO_CURRENT_VERSION "${MACHO_COMPATIBILITY_VERSION}.${_revision}")
 # saving and restoring the state of the variables.
 INCLUDE(${CMake_SOURCE_DIR}/Modules/CMakePushCheckState.cmake)
 
+if(0) # XXX(cmake): do not let pkg-config override our search paths
 # Enable the pkg-config helpers.
 INCLUDE(FindPkgConfig)
+endif() # XXX(cmake): end
 
 # Initialize the state of the variables. This initialization is not
 # necessary but this shows you what value the variables initially have.