post-install: clean reference to $XBPS_CROSS_BASE in pkgconfig

common/hooks/post-install/13-pkg-config-clean-xbps-cross-base-ref.sh

@@ -0,0 +1,22 @@
+# This hook removes reference to $XBPS_CROSS_BASE in
+# /usr/{lib,share}/pkgconfig/*.pc
+#
+# We don't touch /usr/bin/*-config since there're other information that
+# references $XBPS_CROSS_BASE
+
+hook() {
+	if [ -z "$CROSS_BUILD" ]; then
+		return 0
+	fi
+	for f in "$PKGDESTDIR"/usr/lib/pkgconfig/*.pc \
+		"$PKGDESTDIR"/usr/share/pkgconfig/*.pc
+	do
+		if [ -f "$f" ]; then
+			# Sample sed script
+			# s,/usr/armv7l-linux-musleabihf/usr,/usr,g
+			# trailing /usr to avoid clashing with
+			# other $XBPS_CROSS_BASE and $XBPS_CROSS_TRIPLET.
+			sed -i -e "s,$XBPS_CROSS_BASE/usr,/usr,g" "$f"
+		fi
+	done
+}