textproc/xenv: the port had been updated to version 4.0

Requires GNU configure now; drop no longer useful knobs
and `post-patch' target.

Requested by:	maintainer

textproc/xenv/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	xenv
-PORTVERSION=	3.2
+PORTVERSION=	4.0
 CATEGORIES=	textproc
 MASTER_SITES=	https://download.gnu.org.ua/release/xenv/
 
@@ -8,21 +8,15 @@ COMMENT=	Text preprocessor for environment variable expansion
 
 LICENSE=	GPLv3+
 
-USES=		makeinfo
-MAKE_ARGS=	CFLAGS="${CFLAGS} -Wall"
-ALL_TARGET=	${PORTNAME}
+GNU_CONFIGURE=	yes
 TEST_TARGET=	check
 
-PLIST_FILES=	bin/xenv share/man/man1/xenv.1.gz
+PLIST_FILES=	bin/xenv man/man1/xenv.1.gz
 PORTDOCS=	NEWS README
 INFO=		${PORTNAME}
 
 OPTIONS_DEFINE=	DOCS
 
-post-patch:
-	@${REINPLACE_CMD} -e '/^%{/ { x; s/^/#include <signal.h>/; \
-		H; x; }' ${WRKSRC}/xenv.l
-
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${PORTDOCS:S,^,${WRKSRC}/,} ${STAGEDIR}${DOCSDIR}

textproc/xenv/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1660376518
-SHA256 (xenv-3.2.tar.gz) = 5c2290dfe567bbe609f68597608012126a1f43e5ea6c5386d94ccdb0b2c23072
-SIZE (xenv-3.2.tar.gz) = 134038
+TIMESTAMP = 1661433912
+SHA256 (xenv-4.0.tar.gz) = b51c71bd9003ee6b9f508ef911d6ceb9eb44411ebf03a97be47d0260f8c5dcab
+SIZE (xenv-4.0.tar.gz) = 356071