diff -r a20ef2465f30 libgo/Makefile.am
--- a/libgo/Makefile.am	Sat Feb 02 07:10:22 2013 -0800
+++ b/libgo/Makefile.am	Sat Feb 02 07:29:12 2013 -0800
@@ -1696,6 +1696,13 @@
 syscall_utimesnano_file = go/syscall/libcall_posix_utimesnano.go
 endif
 
+# Test files.
+if LIBGO_IS_LINUX
+syscall_creds_test_file = go/syscall/creds_test.go
+else
+syscall_creds_test_file =
+endif
+
 go_base_syscall_files = \
 	go/syscall/env_unix.go \
 	go/syscall/syscall_errno.go \
@@ -1734,6 +1741,10 @@
 	go/syscall/signame.c \
 	$(syscall_wait_c_file)
 
+go_syscall_test_files = \
+	$(syscall_creds_test_file) \
+	go/syscall/passfd_test.go
+
 libcalls.go: s-libcalls; @true
 s-libcalls: Makefile go/syscall/mksyscall.awk $(go_base_syscall_files)
 	rm -f libcalls.go.tmp
@@ -2005,9 +2016,9 @@
 	$(MKDIR_P) $(@D); \
 	rm -f $@-testsum $@-testlog; \
 	if test "$(use_dejagnu)" = "yes"; then \
-	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS); \
+	  $(SHELL) $(srcdir)/testsuite/gotest --dejagnu=yes --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --testname="$(@D)" --goarch="$(GOARCH)" $(GOTESTFLAGS) $(go_$(subst /,_,$(@D))_test_files); \
 	else \
-	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) >>$@-testlog 2>&1; then \
+	  if $(SHELL) $(srcdir)/testsuite/gotest --basedir=$(srcdir) --srcdir=$(srcdir)/go/$(@D) --pkgpath="$(@D)" --pkgfiles="$(go_$(subst /,_,$(@D))_files)" --goarch="$(GOARCH)" $(GOTESTFLAGS) $(go_$(subst /,_,$(@D))_test_files) >>$@-testlog 2>&1; then \
 	    echo "PASS: $(@D)" >> $@-testlog; \
 	    echo "PASS: $(@D)"; \
 	    echo "PASS: $(@D)" > $@-testsum; \
diff -r a20ef2465f30 libgo/testsuite/gotest
--- a/libgo/testsuite/gotest	Sat Feb 02 07:10:22 2013 -0800
+++ b/libgo/testsuite/gotest	Sat Feb 02 07:29:12 2013 -0800
@@ -259,12 +259,20 @@
 case "x$gofiles" in
 x)
 	gofiles=`ls *_test.go 2>/dev/null`
+	;;
+*)
+	xgofiles=$gofiles
+	gofiles=
+	for f in $xgofiles; do
+	    gofiles="$gofiles `basename $f`"
+	done
 esac
 
 case "x$gofiles" in
 x)
 	echo 'no test files found' 1>&2
 	exit 1
+	;;
 esac
 
 # Run any commands given in sources, like
@@ -295,6 +303,7 @@
 
 # Split $gofiles into external gofiles (those in *_test packages)
 # and internal ones (those in the main package).
+xgofiles=
 for f in $gofiles; do
     package=`grep '^package[ 	]' $f | sed 1q`
     case "$package" in