Index: Mk/Uses/go.mk
===================================================================
--- Mk/Uses/go.mk
+++ Mk/Uses/go.mk
@@ -20,23 +20,25 @@
 # You can set the following variables to control the process.
 #
 # GO_PKGNAME
-#	The name of the package. When building in GOPATH mode, this is
+#	The name of the package when building in GOPATH mode. This is
 #	the directory that will be created in GOPATH/src and seen by the
-#	`go` command. When building in modules-aware mode, no directories
-#	will be created and GO_PKGNAME value will be only used as a default
-#	for GO_TARGET. If not set explicitly and GH_SUBDIR is present,
+#	`go` command. If not set explicitly and GH_SUBDIR is present,
 #	GO_PKGNAME will be inferred from GH_SUBDIR.
+#	Not needed when building in modules-aware mode.
 #
 # GO_TARGET
 #	The names of the package(s) to build. If not set explicitly,
-#	defaults to GO_PKGNAME.
+#	defaults to GO_PKGNAME. GO_TARGET can also be a tuple in the form
+#	package:output which will instruct Go to write resulting executable
+#	to ${GO_WRKDIR_BIN}/${output} instead of the default behaviour of
+#	naming executable using the last component of the package name.
 #
 # CGO_CFLAGS
-#	Addional CFLAGS variables to be passed to the C compiler by the `go`
+#	Additional CFLAGS variables to be passed to the C compiler by the `go`
 #	command
 #
 # CGO_LDFLAGS
-#	Addional LDFLAGS variables to be passed to the C compiler by the `go`
+#	Additional LDFLAGS variables to be passed to the C compiler by the `go`
 #	command
 #
 # GO_BUILDFLAGS
@@ -61,6 +63,8 @@
 .if empty(GO_PKGNAME)
 .  if !empty(GH_SUBDIR)
 GO_PKGNAME=	${GH_SUBDIR:S|^src/||}
+.  elif !empty(GL_SUBDIR)
+GO_PKGNAME=	${GL_SUBDIR:S|^src/||}
 .  else
 GO_PKGNAME=	${PORTNAME}
 .  endif
@@ -116,14 +120,25 @@
 .if !target(do-build) && empty(go_ARGS:Mno_targets)
 do-build:
 	(cd ${GO_WRKSRC}; \
-		${SETENV} ${MAKE_ENV} ${GO_ENV} ${GO_CMD} install ${GO_BUILDFLAGS} ${GO_TARGET:S/^${PORTNAME}$/./})
+	for t in ${GO_TARGET}; do \
+		out=$$(${BASENAME} $$(echo $${t} | \
+			${SED} -Ee 's/^[^:]*:([^:]+).*$$/\1/' -e 's/^\.$$/${PORTNAME}/')); \
+		pkg=$$(echo $${t} | \
+			${SED} -Ee 's/^([^:]*).*$$/\1/' -e 's/^${PORTNAME}$$/./'); \
+		echo "===>  Building $${out} from $${pkg}"; \
+		${SETENV} ${MAKE_ENV} ${GO_ENV} ${GO_CMD} build ${GO_BUILDFLAGS} \
+			-o ${GO_WRKDIR_BIN}/$${out} \
+			$${pkg}; \
+	done)
 .endif
 
 .if !target(do-install) && empty(go_ARGS:Mno_targets)
 do-install:
-.for _TARGET in ${GO_TARGET}
-	${INSTALL_PROGRAM} ${GO_WRKDIR_BIN}/${_TARGET:T:S/^.$/${PORTNAME}/} ${STAGEDIR}${PREFIX}/bin
-.endfor
+	for t in ${GO_TARGET}; do \
+		out=$$(${BASENAME} $$(echo $${t} | \
+			${SED} -Ee 's/^[^:]*:([^:]+).*$$/\1/' -e 's/^\.$$/${PORTNAME}/')); \
+		${INSTALL_PROGRAM} ${GO_WRKDIR_BIN}/$${out} ${STAGEDIR}${PREFIX}/bin; \
+	done
 .endif
 
 # Helper targets for port maintainers