1 files changed, 45 insertions, 0 deletions
diff --git a/t/ext.sh b/t/ext.sh
new file mode 100755
index 000000000..dd92e8555
--- /dev/null
+++ b/t/ext.sh
@@ -0,0 +1,45 @@
+#! /bin/sh
+# Copyright (C) 1999-2012 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/>.
+
+# Test to make sure extensions are set correctly for various languages.
+
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_F77
+AC_PROG_FC
+AC_PROG_OBJC
+AM_PROG_UPC
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo
+foo_SOURCES = 1.f 2.for 3.f90 4.f95 5.F 6.F90 7.F95 8.r 9.m 10.upc
+END
+
+$ACLOCAL
+$AUTOMAKE
+
+for ext in f for f90 f95 F F90 F95 r m upc
+do
+   # Some versions of the BSD shell wrongly exit when 'set -e' is active
+   # if the last command within a compound statement fails and is guarded
+   # by an && only.  So we play safe and use the following idiom, instead
+   # of the apparently simpler 'grep ... && Exit 1'.
+   if grep "^$ext\.o:" Makefile.in; then Exit 1; else :; fi
+   grep "^\.$ext\.o:" Makefile.in
+done
+Exit 0