Fixes automake bug#14517.
* t/tags-pr12372.sh: If the 'etags' program in use supports the
'--langmap' option, use it. That is required to avoid spurious
failures with Exuberant Ctags (at least version 5.8), which by
default do not generate any tags for file extensions it doesn't
recognize.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
./configure
-$MAKE
+# Exuberant Ctags (at least version 5.8) do not generate any tags
+# for file extensions it doesn't recognize. This can be fixed by
+# using the '--langmap' option. But we must be careful, because
+# etags from Emacs (at least version 23.4) doesn't recognize that
+# option.
+if etags --help | grep '.*--langmap'; then
+ run_make ETAGSFLAGS="--langmap=c:+.pc"
+else
+ $MAKE
+fi
+
cat TAGS
cat sub/TAGS
$FGREP foo-main.pc TAGS