Index: server/buildpkgs/tls/build.sh
==================================================================
--- server/buildpkgs/tls/build.sh
+++ server/buildpkgs/tls/build.sh
@@ -40,11 +40,11 @@
 	for patchfile in "${PATCHDIR}"/all/*.diff "${PATCHDIR}/${VERS}"/*.diff; do
 		if [ ! -f "${patchfile}" ]; then
 			continue
 		fi
 
-		patch -p1 < "${patchfile}"
+		"${PATCH:-patch}" -p1 < "${patchfile}"
 	done
 
 	for chkssldir in $(pkg-config openssl --cflags | sed 's@ *-I *@|@g' | tr '|' "\n" | grep '^/'); do
 		if [ -f "${chkssldir}/openssl/opensslv.h" -o -f "${chkssldir}/opensslv.h" ]; then
 			SSLDIR=$(echo "${chkssldir}" | sed 's@/[^/]*/*$@@')