--- a/compression/zlib/zlib.sh	Thu Sep 30 09:05:45 2021 +0200
+++ b/compression/zlib/zlib.sh	Thu Sep 30 09:26:38 2021 +0200
@@ -15,18 +15,13 @@
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #
 
-PKGNAME=zlib
-PKGVERSION=1.2.11
-PKGREVISION=1
-PKGLICENSE="CUSTOM"
-PKGSUMMARY="zlib compression library"
-PKGDOWNLOAD="http://www.zlib.net/$PKGNAME-$PKGVERSION.tar.gz"
+. ./zlib.info
 
 : ${CC:=clang}
 : ${CFLAGS:=-O2}
 
 rm -rf $PKGNAME-$PKGVERSION
-tar xvf $PKGNAME-$PKGVERSION.tar.gz
+tar -xvf $PKGNAME-$PKGVERSION.tar.gz
 cd $PKGNAME-$PKGVERSION
 
 # custom configure script.