1 files changed, 73 insertions, 0 deletions
diff --git a/t/triplet.sh b/t/triplet.sh
new file mode 100644
index 000000000..88083a8f0
--- /dev/null
+++ b/t/triplet.sh
@@ -0,0 +1,73 @@
+#! /bin/sh
+# Copyright (C) 2012-2014 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# The $(host), $(build), $(target) variables, and their '*_alias'
+# and 'am.conf.*-triplet' counterparts.
+
+. test-init.sh
+
+: > config.guess
+: > config.sub
+: > Makefile.am
+
+$ACLOCAL
+$AUTOMAKE
+grep "^am\.conf\.host-triplet = *$" Makefile.in
+grep "^am\.conf\.build-triplet = *$" Makefile.in
+grep "^am\.conf\.target-triplet = *$" Makefile.in
+
+mv -f configure.ac configure.tmpl
+
+for M in HOST BUILD TARGET; do
+  m=$(echo $M | LC_ALL=C tr '[A-Z]' '[a-z]')
+  (cat configure.tmpl && echo AC_CANONICAL_$M) > configure.ac
+  rm -rf autom4te.cache
+  $AUTOMAKE
+  grep "^$m = @$m@$" Makefile.in
+  grep "^${m}_alias = @${m}_alias@$" Makefile.in
+  grep "^am\\.conf\\.${m}-triplet = \\\$(${m})$" Makefile.in
+  case $m in
+    build)
+      grep '^am\.conf\.host-triplet = *$' Makefile.in
+      grep '^am\.conf\.target-triplet = *$' Makefile.in
+      ;;
+    host)
+      grep '^am\.conf\.build-triplet = $(build)$' Makefile.in
+      grep '^am\.conf\.target-triplet = *$' Makefile.in
+      ;;
+    target)
+      grep '^am\.conf\.build-triplet = $(build)$' Makefile.in
+      grep '^am\.conf\.target-triplet = $(target)$' Makefile.in
+      ;;
+  esac
+done
+
+rm -rf autom4te.cache
+
+cat configure.tmpl - >configure.ac <<'END'
+AC_CANONICAL_HOST
+AC_CANONICAL_BUILD
+AC_CANONICAL_TARGET
+END
+
+$AUTOMAKE
+for m in host build target; do
+  grep "^$m = @$m@$" Makefile.in
+  grep "^${m}_alias = @${m}_alias@$" Makefile.in
+  grep "^am\.conf\.${m}-triplet = \$(${m})$" Makefile.in
+done
+
+: