diff '-bpurNx*~' a/libxml2-2.9.12-r3.ebuild b/libxml2-2.9.12-r3.ebuild
--- a/libxml2-2.9.12-r3.ebuild	2021-06-15 18:09:42.000000000 +0200
+++ b/libxml2-2.9.12-r3.ebuild	2021-07-16 00:35:37.000000000 +0200
@@ -57,6 +57,10 @@ MULTILIB_CHOST_TOOLS=(
 	/usr/bin/xml2-config
 )
 
+MULTILIB_WRAPPED_HEADERS=(
+        /usr/include/libxml2/libxml/xmlversion.h
+)
+
 DOCS=( AUTHORS ChangeLog NEWS README TODO TODO_SCHEMAS )
 
 PATCHES=(
diff '-bpurNx*~' a/libxml2-2.9.12-r4.ebuild b/libxml2-2.9.12-r4.ebuild
--- a/libxml2-2.9.12-r4.ebuild	2021-07-16 00:53:56.000000000 +0200
+++ b/libxml2-2.9.12-r4.ebuild	2021-07-16 00:55:42.000000000 +0200
@@ -59,6 +59,10 @@ MULTILIB_CHOST_TOOLS=(
 	/usr/bin/xml2-config
 )
 
+MULTILIB_WRAPPED_HEADERS=(
+	/usr/include/libxml2/libxml/xmlversion.h
+)
+
 DOCS=( AUTHORS ChangeLog NEWS README TODO TODO_SCHEMAS )
 
 PATCHES=(