--- /dev/null
+#! /bin/sh
+# Copyright (C) 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 tags are processed also for files with non-standard
+# extensions. See automake bug#12372.
+
+required='cc etags'
+. ./defs || exit 1
+
+cat >> configure.ac <<'END'
+AC_PROG_CC
+AC_OUTPUT
+END
+
+cat > Makefile.am <<'END'
+all-local: tags
+.pc.o:
+ sed -e 's/\[/{/' -e 's/\]/}/' $(srcdir)/$*.pc >$*.c
+ $(CC) $(DEFS) $(CPPFLAGS) $(CFLAGS) -c $*.c
+ rm -f $*.c
+
+LINK = $(CCLD) $(CFLAGS) $(LDFLAGS) -o $@
+noinst_PROGRAMS = foo
+foo_SOURCES = foo-main.pc barbar.c
+END
+
+echo 'int main(void) [ return bar(1); ]' > foo-main.pc
+echo 'int bar(int x) { return !x; }' > barbar.c
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+
+./configure
+
+$MAKE
+cat TAGS
+$FGREP foo-main.pc TAGS
+$FGREP barbar.c TAGS
+
+$MAKE distcheck
+
+: