Maelstrom: update to 3.0.6a

srcpkgs/Maelstrom/patches/fix-ptrdiff.patch

@@ -1,13 +0,0 @@
---- screenlib/SDL_FrameBuf.cpp	2001-07-22 23:03:13.000000000 +0200
-+++ screenlib/SDL_FrameBuf.cpp	2015-10-09 10:49:12.066602207 +0200
-@@ -848,8 +848,8 @@
- 			for ( i=0; i<dirtymaplen; ++i ) {
- 				if ( dirtymap[i] != NULL ) {
- 					dirtymap[i] = (SDL_Rect *)(
--					((int)dirtymap[i]-(int)updatelist) +
--								(int)newlist
-+					((ptrdiff_t)dirtymap[i]-(ptrdiff_t)updatelist) +
-+								(ptrdiff_t)newlist
- 					);
- 				}
- 			}

srcpkgs/Maelstrom/template

@@ -1,15 +1,22 @@
 # Template file for 'Maelstrom'
 pkgname=Maelstrom
-version=3.0.6
+version=3.0.6a
 revision=1
+wrksrc="${pkgname}-${version%a}"
 build_style=gnu-configure
+hostmakedepends="automake libtool SDL_net-devel"
 makedepends="SDL_net-devel"
 short_desc="Guide your ship through the Maelstrom asteroid belt"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="GPL-2"
 homepage="https://www.libsdl.org/projects/${pkgname}/"
 distfiles="${homepage}/src/${pkgname}-${version}.tar.gz"
-checksum=e7983c2c7376cdcca1944db1706d92aedd529638cf13358c88a60df982ba7b46
+checksum=342557bcc89eea57af4272778d3511be95fe46cf75e291298a15caa49a2f0e29
+
+pre_configure() {
+	mv configure.{in,ac}
+	./autogen.sh
+}
 
 post_install() {
 	make target=${DESTDIR}/usr/share/doc/$pkgname install_gamedocs