sys-apps/dchroot: drop Werror

Bug: https://bugs.gentoo.org/824542
Closes: https://bugs.gentoo.org/722920
Signed-off-by: Sam James <sam@gentoo.org>

sys-apps/dchroot/dchroot-0.12.1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
@@ -17,13 +17,18 @@ IUSE=""
 DEPEND="sys-apps/help2man"
 RDEPEND="!dev-util/schroot[dchroot]"
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.12.1-no-werror.patch
+)
+
 src_prepare() {
-	default
 	sed -i \
 		-e '/^all:/s:$: docs:' \
 		-e '/^CFLAGS/s:-O2:@CFLAGS@:' \
 		-e '/@CFLAGS@/ s:@CFLAGS@:@CFLAGS@ @LDFLAGS@:' \
 		Makefile.in || die "sed failed"
+
+	default
 }
 
 src_compile() {

sys-apps/dchroot/files/dchroot-0.12.1-no-werror.patch

@@ -0,0 +1,13 @@
+https://bugs.gentoo.org/824542
+https://bugs.gentoo.org/722920
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -3,7 +3,7 @@ mandir = ${prefix}/share/man
+ sysconfdir = $(DESTDIR)/etc
+ 
+ INSTALL=install
+-CFLAGS=-Wl,-z,now @CFLAGS@ @LDFLAGS@ -Wall -Wstrict-prototypes -Werror -g \
++CFLAGS=-Wl,-z,now @CFLAGS@ @LDFLAGS@ -Wall -Wstrict-prototypes \
+ 	-DDCHROOT_VERSION="\"@DCHROOT_VERSION@\""
+ 
+ all: dchroot docs