termbox: build with waf3

srcpkgs/termbox/template

@@ -2,8 +2,7 @@
 pkgname=termbox
 version=1.1.2
 revision=2
-build_style=waf
-hostmakedepends="python"
+build_style=waf3
 short_desc="Library for writing text-based user interfaces"
 maintainer="Diogo Leal <diogo@diogoleal.com>"
 license="MIT"
@@ -11,6 +10,17 @@ homepage="https://github.com/nsf/termbox/"
 distfiles="https://github.com/nsf/termbox/archive/v${version}.tar.gz"
 checksum=61c9940b42b3ac44bf0cba67eacba75e3c02088b8c695149528c77def04d69b1
 
+pre_configure() {
+	# waf file is self extracting archive written in python
+	# it self extracts in top level, then runs extracted module in __main__
+	# importing allows to patch contents of archive
+	mv waf waf.py
+	python3 -c 'import waf; print(waf.wafdir + "/waflib/Node.py")' > node
+	vsed -i "$(cat node)" -e '/raise StopIteration/d'
+	rm node
+	mv waf.py waf
+}
+
 post_install() {
 	vlicense COPYING
 }