diff --git a/textproc/diffutils/Makefile b/textproc/diffutils/Makefile
index 5d9d980030fa..85fc0a7cf7b5 100644
--- a/textproc/diffutils/Makefile
+++ b/textproc/diffutils/Makefile
@@ -1,30 +1,31 @@
 # Created by: Garrett Rooney <rooneg@electricjellyfish.net>
 
 PORTNAME=	diffutils
-PORTVERSION=	3.7
+PORTVERSION=	3.8
 CATEGORIES=	textproc
 MASTER_SITES=	GNU
 
 LICENSE=	GPLv3+
 
 MAINTAINER=	schaiba@gmail.com
 COMMENT=	GNU differential compare utilities
 
 LIB_DEPENDS=	libsigsegv.so:devel/libsigsegv
 
 USES=		charsetfix tar:xz
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--program-prefix=g
+TEST_TARGET=	check
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes
 NLS_USES=	gettext iconv
 NLS_CONFIGURE_ENABLE=nls
 
 INFO=		diffutils
 
 post-patch:
 	@${REINPLACE_CMD} -e '/^mkdir/s:@mkdir_p@:${MKDIR}:' \
 		${WRKSRC}/po/Makefile.in.in
 
 .include <bsd.port.mk>
diff --git a/textproc/diffutils/distinfo b/textproc/diffutils/distinfo
index ebfe0a513348..710397db25b8 100644
--- a/textproc/diffutils/distinfo
+++ b/textproc/diffutils/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1546308188
-SHA256 (diffutils-3.7.tar.xz) = b3a7a6221c3dc916085f0d205abf6b8e1ba443d4dd965118da364a1dc1cb3a26
-SIZE (diffutils-3.7.tar.xz) = 1448828
+TIMESTAMP = 1627869571
+SHA256 (diffutils-3.8.tar.xz) = a6bdd7d1b31266d11c4f4de6c1b748d4607ab0231af5188fc2533d0ae2438fec
+SIZE (diffutils-3.8.tar.xz) = 1585120
diff --git a/textproc/diffutils/files/patch-configure b/textproc/diffutils/files/patch-configure
new file mode 100644
index 000000000000..02d8ce285d16
--- /dev/null
+++ b/textproc/diffutils/files/patch-configure
@@ -0,0 +1,20 @@
+--- configure.orig	2021-08-02 01:56:20 UTC
++++ configure
+@@ -34085,7 +34085,7 @@ else $as_nop
+       elxsi | \
+       fr30 | \
+       h8300 | \
+-      i?86 | x86_64 | \
++      i?86 | x86_64 | amd64 | \
+       i860 | \
+       ia64 | \
+       m32r | \
+@@ -34134,7 +34134,7 @@ find_stack_direction (int *addr, int depth)
+   return dir + dummy;
+ }
+ int
+-main (int argc, char *argv)
++main (int argc, char *argv[])
+ {
+   printf ("%d\n", find_stack_direction (NULL, argc + 20));
+   return 0;