Index: head/lang/go/Makefile
===================================================================
--- head/lang/go/Makefile	(revision 499796)
+++ head/lang/go/Makefile	(revision 499797)
@@ -1,86 +1,98 @@
 # Created by: Devon H. O'Dell <devon.odell@gmail.com>
 # $FreeBSD$
 
 PORTNAME=	go
-PORTVERSION=	1.12.2
+PORTVERSION=	1.12.4
 PORTEPOCH=	1
 CATEGORIES=	lang
 MASTER_SITES=	https://golang.org/dl/
 DISTNAME=	go${PORTVERSION}.src
 
+PATCH_SITES=	https://github.com/golang/go/commit/
+# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221297#c23
+PATCHFILES=	3b6216ed0601c81fe42c2a4738d419afccb62163.patch:-p1 \
+		0bd101cecc5458a8463b8d672bf1745c3cbb7c02.patch:-p1 \
+		a6e892d26d6ee59799f55bc50521605ebf75ea67.patch:-p1
+
 MAINTAINER=	jlaffaye@FreeBSD.org
 COMMENT=	Go programming language
 
 LICENSE=	BSD3CLAUSE
 
 BUILD_DEPENDS=	go14>=1.4:lang/go14
 
 USES=		shebangfix
 SHEBANG_LANG=	sh perl
 SHEBANG_FILES=	misc/benchcmp \
 		misc/nacl/go_nacl_*_exec \
 		misc/wasm/go_js_wasm_exec \
 		src/net/http/cgi/testdata/test.cgi
 SHEBANG_GLOB=	*.bash *.pl *.sh
 
 sh_OLD_CMD=	/bin/bash "/usr/bin/env bash"
 sh_CMD=		${SH}
 
 WRKSRC=		${WRKDIR}/go
 ONLY_FOR_ARCHS=	i386 amd64 armv6 armv7
 
 OPTIONS_DEFINE_i386=	GO387
 GO387_DESC=	Do not generate code with SSE2 (for old x86 CPU)
 
 .include <bsd.port.pre.mk>
 
 .if ${ARCH} == i386
 GOARCH=386
 .elif ${ARCH} == "amd64"
 GOARCH=amd64
 .elif ${ARCH} == armv6 || ${ARCH} == armv7
 GOARCH=arm
+GOARM=${ARCH:C/armv//}
 .else
 IGNORE=		unknown arch ${ARCH}
 .endif
 
+.ifdef QEMU_EMULATING
+IGNORE=		fails to build with qemu-user-static
+.endif
+
 .if ${PORT_OPTIONS:MGO387}
 GO386=387
 .endif
 
 PLIST_SUB+=	opsys_ARCH=${OPSYS:tl}_${GOARCH}
 
 post-patch:
 	@cd ${WRKSRC} && ${FIND} . -name '*.orig' -delete
+	@${REINPLACE_CMD} -e 's|^if ulimit -T|false \&\& &|' ${WRKSRC}/src/run.bash
 
 do-build:
 	cd ${WRKSRC}/src && \
 		GOROOT=${WRKSRC} GOROOT_FINAL=${PREFIX}/go \
 		GOROOT_BOOTSTRAP=${LOCALBASE}/go14 \
 		GOBIN= GOARCH=${GOARCH} GOOS=${OPSYS:tl} \
-		GO386=${GO386} \
+		GO386=${GO386} GOARM=${GOARM} CGO_ENABLED=1 \
 		${SH} make.bash -v
 	${RM} -r ${WRKSRC}/pkg/obj \
 	    ${WRKSRC}/pkg/bootstrap \
 	    ${WRKSRC}/pkg/${OPSYS:tl}_${GOARCH}/cmd
 
 do-install:
 	@${CP} -a ${WRKSRC} ${STAGEDIR}${PREFIX}
 .for f in go gofmt
 	@${LN} -sf ../go/bin/${f} ${STAGEDIR}${PREFIX}/bin/${f}
 .endfor
 
 do-test:
-	cd ${WRKSRC}/src && GOROOT=${WRKSRC} PATH=${WRKSRC}/bin:${PATH} ${SH} run.bash --no-rebuild --banner
+	cd ${WRKSRC}/src && GOROOT=${WRKSRC} PATH=${WRKSRC}/bin:${PATH} ${SH} run.bash -no-rebuild -banner ""
 
 pkg-plist: stage
 	${RM} ${WRKDIR}/pkg-plist
 .for command in go gofmt
 	${ECHO_CMD} bin/${command} >> ${WRKDIR}/pkg-plist
 .endfor
 	cd ${WRKDIR} && ${FIND} go -type f | \
 		${SED} -e "s/\/${OPSYS:tl}_${GOARCH}\//\/%%opsys_ARCH%%\//g" | \
 		${SORT} >> ${WRKDIR}/pkg-plist
 	${CP} ${WRKDIR}/pkg-plist ${.CURDIR}/pkg-plist
 
 .include <bsd.port.post.mk>
Index: head/lang/go/distinfo
===================================================================
--- head/lang/go/distinfo	(revision 499796)
+++ head/lang/go/distinfo	(revision 499797)
@@ -1,3 +1,9 @@
-TIMESTAMP = 1554573274
-SHA256 (go1.12.2.src.tar.gz) = af992580a4a609309c734d46fd4374fe3095961263e609d9b017e2dffc3b7b58
-SIZE (go1.12.2.src.tar.gz) = 21965624
+TIMESTAMP = 1556053889
+SHA256 (go1.12.4.src.tar.gz) = 4affc3e610cd8182c47abbc5b0c0e4e3c6a2b945b55aaa2ba952964ad9df1467
+SIZE (go1.12.4.src.tar.gz) = 21965966
+SHA256 (3b6216ed0601c81fe42c2a4738d419afccb62163.patch) = 87ccfc01b285ba5c4913f91e8b475b0a0ae713cc569746461c14bf37300dae5b
+SIZE (3b6216ed0601c81fe42c2a4738d419afccb62163.patch) = 2293
+SHA256 (0bd101cecc5458a8463b8d672bf1745c3cbb7c02.patch) = e4459691f5536497945534a7b9575f3c47a619bf569c32dda2dd92fe23c67792
+SIZE (0bd101cecc5458a8463b8d672bf1745c3cbb7c02.patch) = 939
+SHA256 (a6e892d26d6ee59799f55bc50521605ebf75ea67.patch) = 5588690dffa1915c30fb8f35b0e76e3d1454f1658748b0b9e6f5e17dd0b8b5fd
+SIZE (a6e892d26d6ee59799f55bc50521605ebf75ea67.patch) = 1117