Synopsis:
"configure --help=recursive" does not run the --help parts of the
directories included via AC_CONFIG_SUBDIR when called as
$ /path/to/top_srcdir/configure --help=recursive
or
$ ../configure --help=recursive
Versions affected:
autoconf (GNU Autoconf) 2.61 and probably earlier
Steps to reproduce:
1. Create directory structure with the two configure files below:
+-+ ac-help-recursive-bug/
+-- configure.ac
+-+ direct-sub/
+-- configure.ac
2. Initialize autoconf build system:
$ autoreconf -vis ac-help-recursive-bug
3. Try getting the recursive help from the outside:
$ ./ac-help-recursive-bug/configure --help=recursive"
This will only show the top level help, not that of AC_SUBDIR
4. For comparison, get the recursive help from top_srcdir:
$ cd ac-help-recursive-bug
$ ./configure --help=recursive
Suggested fix:
Add the equivalent of a "cd ${top_srcdir}" at the appropriate place
the configure script.
However, make sure that configure.ac files stored in a subdirectory
of their respective ${top_srcdir} also must be handled properly.
Test case files:
dnl File ac-help-recursive-bug/configure.ac
AC_INIT([autoconf --help=recursive bug demo], [1.0],
[EMAIL PROTECTED], [ac-recursive-help-bug])
AC_CONFIG_AUX_DIR([auto-aux])
AC_CONFIG_SUBDIRS([direct-sub])
AC_OUTPUT
dnl File ac-help-recursive-bug/direct-sub/configure.ac
AC_INIT([direct-sub subproject], [1.0], [EMAIL PROTECTED],
[direct-sub])
AC_CONFIG_AUX_DIR([auto-aux])
AC_OUTPUT
signature.asc
Description: OpenPGP digital signature
