xbps: use -Wno-error for gcc7

srcpkgs/xbps/template

@@ -11,11 +11,7 @@ license="2-clause-BSD"
 distfiles="https://github.com/voidlinux/xbps/archive/$version.tar.gz"
 checksum=fb97f78a2d1e78ca7fb74426bbc7edac7af36366491dbcf3b97db3aa1b20a8b7
 
-# readdir_r is deprecated
-CFLAGS="-Wno-error=deprecated-declarations"
-if [ "$XBPS_GCC_VERSION_MAJOR" -ge 7 ]; then
-	CFLAGS+=" -Wno-format-truncation -Wno-implicit-fallthrough -Wno-unsafe-loop-optimizations"
-fi
+CFLAGS="-Wno-error"
 
 hostmakedepends="pkg-config"
 makedepends="zlib-devel libressl-devel libarchive-devel"
@@ -39,7 +35,6 @@ if [ "$CHROOT_READY" ]; then
 fi
 
 do_configure() {
-	CFLAGS+=" -Wno-error=redundant-decls"
 	HAVE_VASPRINTF=1 ./configure --prefix=/usr --sysconfdir=/etc --enable-debug \
 		--bindir=/usr/bin ${CHROOT_READY:+--enable-tests}
 }