diff --git a/math/reduce/Makefile b/math/reduce/Makefile
index e598f3d2edac..1dda4866d5f4 100644
--- a/math/reduce/Makefile
+++ b/math/reduce/Makefile
@@ -1,62 +1,60 @@
 PORTNAME=	reduce
 PORTVERSION=	${SFSUBDIR:S/snapshot_//:S/-//g}
 CATEGORIES=	math lang
 MASTER_SITES=	SF/${PORTNAME}-algebra/${SFSUBDIR}/
 DISTNAME=	Reduce-svn6339-src
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Codemist Standard Lisp REDUCE general-purpose computer system
 
 LICENSE=	BSD2CLAUSE
 
-BROKEN_armv6=		fails to compile: redfront.h:118:12: conflicting types for '__wcwidth'
 BROKEN_i386=		fails to compile: sysv.S:832:1: changed section flags for .eh_frame, expected: 0x2
-BROKEN_powerpc64=	fails to compile: arith01.cpp: 'statuc' does not name a type
 
 BUILD_DEPENDS=	gnuplot:math/gnuplot
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2 \
 		libpng.so:graphics/png \
 		libtiff.so:graphics/tiff
 
 USES=		autoreconf:build libtool gmake ncurses jpeg xorg
 USE_XORG=	x11 xcursor xext xorgproto xft xrandr xrender
 
 SFSUBDIR=	snapshot_2022-06-17
 
 TARGET_SDIR=	${ARCH:S/amd64/x86_64/}-unknown-${OPSYS:tl}${OSREL}
 CPPFLAGS+=	-I${NCURSESINC}
 
 # Avoid GNU_CONFIGURE as it breaks staging
 HAS_CONFIGURE=	yes
 ALL_TARGET=
 
 MAKE_JOBS_UNSAFE=	yes
 
 CONFIGURE_ARGS=	--with-csl
 CPPFLAGS+=	`freetype-config --cflags`
 LDFLAGS+=	`freetype-config --libs`
 
 REDUCE_BINS=	${WRKSRC}/cslbuild/${TARGET_SDIR}
 
 OPTIONS_DEFINE=	DOCS
 
 do-install:
 	${MKDIR} ${STAGEDIR}${DATADIR}
 	${INSTALL_DATA} ${REDUCE_BINS}/csl/reduce.img ${STAGEDIR}${DATADIR}
 	${INSTALL_PROGRAM} ${REDUCE_BINS}/csl/reduce ${STAGEDIR}${DATADIR}
 	${INSTALL_SCRIPT} ${FILESDIR}/runcsl.sh ${STAGEDIR}${PREFIX}/bin/redcsl
 	${INSTALL_MAN} ${FILESDIR}/redcsl.1 ${STAGEDIR}${MANPREFIX}/man/man1/
 	${MKDIR} ${STAGEDIR}${DATADIR}/reduce.doc
 	(cd ${REDUCE_BINS}/csl/reduce.doc && ${COPYTREE_SHARE} . \
 	    ${STAGEDIR}${DATADIR}/reduce.doc)
 	${MKDIR} ${STAGEDIR}${PREFIX}/${FONTDIR}
 	(cd ${REDUCE_BINS}/csl/reduce.fonts && ${COPYTREE_SHARE} . \
 	    ${STAGEDIR}${DATADIR}/reduce.fonts)
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/manual/manual.pdf\
 	    ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/primers/*.pdf \
 	    ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/math/reduce/files/patch-generic_newfront_redfront.h b/math/reduce/files/patch-generic_newfront_redfront.h
new file mode 100644
index 000000000000..83ed9bd1f793
--- /dev/null
+++ b/math/reduce/files/patch-generic_newfront_redfront.h
@@ -0,0 +1,26 @@
+- fix of this failure on arm64:
+-
+- In file included from /wrkdirs/usr/ports/math/reduce/work/Reduce-svn6339-src/generic/newfront/redchild.c:31:
+- /wrkdirs/usr/ports/math/reduce/work/Reduce-svn6339-src/generic/newfront/redfront.h:118:12: error: conflicting types for '__wcwidth'
+- extern int wcwidth(wchar_t c);
+-            ^
+- /usr/include/wchar.h:213:21: note: expanded from macro 'wcwidth'
+- #define wcwidth(_c)     __wcwidth(_c)
+-                         ^
+- /usr/include/_ctype.h:161:1: note: previous definition is here
+- __wcwidth(__ct_rune_t _c)
+- ^
+- 1 error generated.
+
+--- generic/newfront/redfront.h.orig	2021-03-16 10:41:22 UTC
++++ generic/newfront/redfront.h
+@@ -115,7 +115,9 @@ typedef void (*sig_t)(int);
+  */
+ #ifndef NATIVE_WINDOWS
+ #include "sys.h"
++#  if !defined(__FreeBSD__)
+ extern int wcwidth(wchar_t c);
++#  endif
+ #include "chartype.h"
+ #endif
+