ii: simplify by using the gnu-makefile build_style

srcpkgs/ii/template

@@ -1,7 +1,9 @@
 # Template file for 'ii'
 pkgname=ii
 version=1.7
-revision=1
+revision=2
+build_style=gnu-makefile
+make_build_args="INCLUDES=-I. LIBS="
 short_desc="Minimalist FIFO IRC client"
 maintainer="Ypnose <linuxienATlegtuxDOTorg>"
 license="MIT"
@@ -9,18 +11,12 @@ homepage="http://tools.suckless.org/ii"
 distfiles="http://dl.suckless.org/tools/$pkgname-$version.tar.gz"
 checksum=3a72ac6606d5560b625c062c71f135820e2214fed098e6d624fc40632dc7cc9c
 
-do_build() {
-	sed -i 's/CFLAGS =/CFLAGS +=/g' config.mk
-	make CC=$CC
-}
-
-do_install() {
-	make PREFIX=/usr DESTDIR=$DESTDIR install
+post_install() {
 	vinstall LICENSE 644 usr/share/licenses/$pkgname
 }
 
 ii_package() {
 	pkg_install() {
-		vmove usr
+		vmove all
 	}
 }