From ba8d547dfa81539f4e8474152d92e866ad89241b Mon Sep 17 00:00:00 2001
From: Nadia Holmquist Pedersen <nadia@nhp.sh>
Date: Thu, 18 Apr 2024 12:25:41 +0200
Subject: Windows: Work around CMake not finding libarchive's include directory
 because MSYS2 CMake doesn't like UNIX paths.

---
 cmake/FixInterfaceIncludes.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/FixInterfaceIncludes.cmake b/cmake/FixInterfaceIncludes.cmake
index 513c111..5c285d7 100644
--- a/cmake/FixInterfaceIncludes.cmake
+++ b/cmake/FixInterfaceIncludes.cmake
@@ -19,6 +19,13 @@ function(fix_interface_includes)
             if (PARENT_DIR MATCHES "include$")
                 list(APPEND NEW_DIRS "${PARENT_DIR}")
             endif()
+
+            # HACK
+            # The libarchive pkg-config file in MSYS2 seems to include a UNIX-style path for its
+            # include directory and CMake doesn't like that.
+            if (WIN32 AND MINGW AND target STREQUAL PkgConfig::LibArchive)
+                list(FILTER DIRS EXCLUDE REGEX "^/[^.]+64/.*")
+            endif()
         endforeach()
 
         list(APPEND DIRS ${NEW_DIRS})
-- 
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