1 files changed, 72 insertions, 0 deletions
diff --git a/t/subobjname.sh b/t/subobjname.sh
new file mode 100755
index 000000000..bef3bf0bd
--- /dev/null
+++ b/t/subobjname.sh
@@ -0,0 +1,72 @@
+#! /bin/sh
+# Copyright (C) 2002-2012 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/>.
+
+# Make sure we reuse variables whenever possible, to limit
+# combinational explosion.  (This test is named after the &subobjname
+# sub in Automake).
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_CC
+AM_CONDITIONAL([FOO1], [some test])
+AM_CONDITIONAL([FOO2], [some test])
+AM_CONDITIONAL([FOO3], [some test])
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+noinst_PROGRAMS = c d
+
+if FOO1
+A1=a1.c
+endif
+
+if FOO2
+A2=a2.c
+endif
+
+if FOO3
+A3=a3.c
+endif
+
+B=$(A1) $(A2) $(A3)
+
+c_SOURCES=$(B)
+d_SOURCES=$(B)
+END
+
+$ACLOCAL
+$AUTOMAKE -a
+
+# Sanity check: make sure am_c_OBJECTS and am_d_OBJECTS are used
+# in the Makefile.  (This is an internal detail, so better make
+# sure we update this test if the naming changes in the future.)
+grep '^am_c_OBJECTS = ' Makefile.in
+grep '^am_d_OBJECTS = ' Makefile.in
+
+# Now the actual test.  Are both values equal?
+cobj=`sed -n '/^am_c_OBJECTS = / {
+                s/.* = \(.*\)$/\1/
+                p
+              }' Makefile.in`
+dobj=`sed -n '/^am_d_OBJECTS = / {
+                s/^.* = \(.*\)$/\1/
+                p
+              }' Makefile.in`
+test "$cobj" = "$dobj"
+
+: