freetype: create legacy freetype-config script

Some packages (e.g. ttfautohint) rely on freetype-config for
their configuration, so create a wrapper using pkg-config.

Signed-off-by: Jürgen Buchmüller <pullmoll@t-online.de>

srcpkgs/freetype/template

@@ -1,7 +1,7 @@
 # Template file for 'freetype'
 pkgname=freetype
 version=2.9.1
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="pkg-config"
 makedepends="bzip2-devel libpng-devel"
@@ -32,11 +32,21 @@ pre_configure() {
 	fi
 }
 
+post_build() {
+	# Create a legacy /usr/bin/freetype-config script
+	vmkdir usr/bin
+	cat >> "${DESTDIR}"/usr/bin/freetype-config <<EOF
+#!/bin/sh
+pkg-config "\$@" freetype2
+EOF
+	chmod 755 "${DESTDIR}"/usr/bin/freetype-config
+}
+
 freetype-devel_package() {
 	depends="${makedepends} ${sourcepkg}>=${version}_${revision}"
 	short_desc+=" - development files"
 	pkg_install() {
-		for f in include share; do
+		for f in bin include share; do
 			vmove usr/${f}
 		done
 		vmove "usr/lib/*.a"