python3-reportlab: reall fix cross build

srcpkgs/python3-reportlab/template

@@ -4,6 +4,7 @@ version=3.6.11
 revision=1
 wrksrc="reportlab-${version}"
 build_style=python3-module
+make_build_args="--use-system-libart"
 hostmakedepends="python3-setuptools"
 makedepends="python3-devel freetype-devel libart-devel"
 depends="python3-Pillow"
@@ -14,7 +15,13 @@ homepage="https://www.reportlab.com/"
 distfiles="${PYPI_SITE}/r/reportlab/reportlab-${version}.tar.gz"
 checksum=04fc4420f0548815d0623e031c86a1f7f3f3003e699d9af7148742e2d72b024a
 
-CFLAGS="-I${XBPS_CROSS_BASE}/usr/include/freetype2"
+do_configure() {
+	cat <<-EOF >local-setup.cfg
+	[FREETYPE_PATHS]
+	lib = ${XBPS_CROSS_BASE}/usr/lib
+	inc = ${XBPS_CROSS_BASE}/usr/include/freetype2
+	EOF
+}
 
 post_install() {
 	vlicense LICENSE.txt