Install all packages via DESTDIR var and not prefix.

This removes many assignments that were needed before, and fixes
some packages to install its manpage/info files.

--HG--
extra : convert_revision : 5422f921ef81d089ed95ce0c52e5106ea10b2165

templates/gdbm/template

@@ -4,6 +4,7 @@ sourcepkg=gdbm
 version=1.8.3
 distfiles="http://ftp.gnu.org/gnu/$pkgname/$pkgname-$version.tar.gz"
 build_style=gnu_configure
+make_install_args="INSTALL_ROOT=$XBPS_DESTDIR/$pkgname-$version"
 short_desc="GNU database routines"
 maintainer="Juan RP <xtraeme@gmail.com>"
 checksum=cc340338a2e28b40058ab9eb5354a21d53f88a1582ea21ba0bb185c37a281dc9
@@ -12,5 +13,10 @@ long_desc="
  It works similar to the standard Unix dbm routines."
 
 subpackages="devel"
-
 Add_dependency full glibc
+
+post_build()
+{
+	mkdir -p ${DESTDIR}/usr/share/info
+	touch -f ${DESTDIR}/usr/share/info/dir
+}