re PR go/56017 (libgo testsuite does not support cross testing)

	PR go/56017
libgo: Use DejaGNU when testing a cross-compiler.

From-SVN: r195766

libgo/Makefile.am

@@ -1991,12 +1991,6 @@ BUILDPACKAGE = \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
 	$(LTGOCOMPILE) -I . -c -fgo-pkgpath=`echo $@ | sed -e 's/.lo$$//' -e 's/-go$$//'` -o $@ $$files
 
-if LIBGO_IS_RTEMS
-use_dejagnu = yes
-else
-use_dejagnu = no
-endif
-
 GOTESTFLAGS =
 
 # Check a package.
@@ -2015,7 +2009,7 @@ CHECK = \
 	export LD_LIBRARY_PATH; \
 	$(MKDIR_P) $(@D); \
 	rm -f $@-testsum $@-testlog; \
-	if test "$(use_dejagnu)" = "yes"; then \
+	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) $(go_$(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) $(go_$(subst /,_,$(@D))_test_files) >>$@-testlog 2>&1; then \

libgo/Makefile.in

@@ -359,6 +359,7 @@ SPLIT_STACK = @SPLIT_STACK@
 STRINGOPS_FLAG = @STRINGOPS_FLAG@
 STRIP = @STRIP@
 STRUCT_EPOLL_EVENT_FD_OFFSET = @STRUCT_EPOLL_EVENT_FD_OFFSET@
+USE_DEJAGNU = @USE_DEJAGNU@
 VERSION = @VERSION@
 WARN_FLAGS = @WARN_FLAGS@
 WERROR = @WERROR@
@@ -2107,8 +2108,6 @@ BUILDPACKAGE = \
 	files=`echo $^ | sed -e 's/[^ ]*\.gox//g'`; \
 	$(LTGOCOMPILE) -I . -c -fgo-pkgpath=`echo $@ | sed -e 's/.lo$$//' -e 's/-go$$//'` -o $@ $$files
 
-@LIBGO_IS_RTEMS_FALSE@use_dejagnu = no
-@LIBGO_IS_RTEMS_TRUE@use_dejagnu = yes
 GOTESTFLAGS = 
 
 # Check a package.
@@ -2127,7 +2126,7 @@ CHECK = \
 	export LD_LIBRARY_PATH; \
 	$(MKDIR_P) $(@D); \
 	rm -f $@-testsum $@-testlog; \
-	if test "$(use_dejagnu)" = "yes"; then \
+	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) $(go_$(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) $(go_$(subst /,_,$(@D))_test_files) >>$@-testlog 2>&1; then \

libgo/configure

@@ -653,6 +653,7 @@ LIBGO_IS_ALPHA_FALSE
 LIBGO_IS_ALPHA_TRUE
 LIBGO_IS_386_FALSE
 LIBGO_IS_386_TRUE
+USE_DEJAGNU
 GOOS
 LIBGO_IS_SOLARIS_FALSE
 LIBGO_IS_SOLARIS_TRUE
@@ -11104,7 +11105,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11107 "configure"
+#line 11108 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11210,7 +11211,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11213 "configure"
+#line 11214 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -13562,6 +13563,14 @@ fi
 
 
 
+USE_DEJAGNU=no
+case ${host} in
+  *-*-rtems*) USE_DEJAGNU=yes ;;
+  ${target}) ;;
+  *) USE_DEJAGNU=yes ;;
+esac
+
+
 is_386=no
 is_alpha=no
 is_arm=no

libgo/configure.ac

@@ -156,6 +156,17 @@ AM_CONDITIONAL(LIBGO_IS_RTEMS, test $is_rtems = yes)
 AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes)
 AC_SUBST(GOOS)
 
+dnl Test whether we need to use DejaGNU or whether we can use the
+dnl simpler gotest approach.  We can only use gotest for a native
+dnl build.
+USE_DEJAGNU=no
+case ${host} in
+  *-*-rtems*) USE_DEJAGNU=yes ;;
+  ${target}) ;;
+  *) USE_DEJAGNU=yes ;;
+esac
+AC_SUBST(USE_DEJAGNU)
+
 dnl N.B. Keep in sync with gcc/testsuite/go.test/go-test.exp (go-set-goarch).
 is_386=no
 is_alpha=no

libgo/testsuite/Makefile.in

@@ -137,6 +137,7 @@ SPLIT_STACK = @SPLIT_STACK@
 STRINGOPS_FLAG = @STRINGOPS_FLAG@
 STRIP = @STRIP@
 STRUCT_EPOLL_EVENT_FD_OFFSET = @STRUCT_EPOLL_EVENT_FD_OFFSET@
+USE_DEJAGNU = @USE_DEJAGNU@
 VERSION = @VERSION@
 WARN_FLAGS = @WARN_FLAGS@
 WERROR = @WERROR@