libcap: update to 2.28

Update to 2.28 and some template cleanup

Signed-off-by: Nathan Owens <ndowens04@gmail.com>

srcpkgs/libcap/template

@@ -1,15 +1,19 @@
 # Template file for 'libcap'
 pkgname=libcap
-version=2.27
+version=2.28
 revision=1
 bootstrap=yes
+build_style=gnu-makefile
+make_install_args="SBINDIR=/usr/bin exec_prefix=/usr
+ LIBDIR=/usr/lib PKGCONFIGDIR=/usr/lib/pkgconfig RAISE_SETFCAP=no"
+make_use_env=yes
 makedepends="attr-devel"
 short_desc="POSIX.1e capabilities suite"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="GPL-2.0-only"
 homepage="http://sites.google.com/site/fullycapable/"
 distfiles="${KERNEL_SITE}/libs/security/linux-privs/libcap2/${pkgname}-${version}.tar.xz"
-checksum=dac1792d0118bee6aae6ba7fb93ff1602c6a9bda812fd63916eee1435b9c486a
+checksum=c0e70c3bcce288ada2bfe8d748e816b601590495312222e92e307cf18d6a38aa
 
 if [ "$CHROOT_READY" ]; then
 	hostmakedepends="perl"
@@ -18,20 +22,10 @@ if [ "$CHROOT_READY" ]; then
 	fi
 fi
 
-do_configure() {
-	sed -i 's/CFLAGS :=/CFLAGS +=/g' Make.Rules
-	sed -i 's/LDFLAGS :=/LDFLAGS +=/g' Make.Rules
-	sed -i '/BUILD_CFLAGS/s/$(CFLAGS)//' Make.Rules
-}
-
-do_build() {
-	make CC="$CC" BUILD_CC=cc
-}
-
-do_install() {
-	make DESTDIR=${DESTDIR} MANDIR=/usr/share/man \
-		SBINDIR=/usr/bin LIBDIR=/usr/lib \
-		RAISE_SETFCAP=no PKGCONFIGDIR=/usr/lib/pkgconfig install
+pre_build() {
+	vsed -e 's,CC :=,CC ?=,' -i Make.Rules
+	# Disable tests, as they cause cross-build failure
+	vsed -e '/test:/,/.sh/d' -e '/tests/d' -i Makefile
 }
 
 libcap-devel_package() {