Reverts the changes introduced to `m4/ax_with_curses_extra.m4`
in 59b664806c,
which seem to make `cofigure` look only for `ncursesw/panel.h`
and not consider `panel.h` as a candidate,
thus causing `./configure` to fail with
"error: panel library not found" on systems
(such as Arch Linux) where ncurses headers
are not put under the `ncursesw/` directory.
Signed-off-by: Pavel Grigorenko <grigorenkopv@ya.ru>
... which fixes <panel.h> detection on Alpine Linux (which has ncursesw
but installs it into plain /usr/include).
Signed-off-by: Alexey Neyman <stilor@att.net>
... unless one retrofits it with a decent compiler instead of stock
GCC 4.4.
While here, sync up the ax_*.m4 with autoconf-archive.
Signed-off-by: Alexey Neyman <stilor@att.net>
- Force building make as a companion tool if host make is older than
4.0 (CentOS 7 currently has 3.82)
- Disable 2.29 as a choice if host python is older than 3.4
(CentOS 7 has 2.6 unless python from EPEL is installed)
- Python2 emits its version information to STDERR. Ugh.
While there, also use the detected host Python for GDB configuration.
Signed-off-by: Alexey Neyman <stilor@att.net>
... otherwise it fails for autoconf/automake; for some reason, newer
Ubuntu 18.10 adds extra quoting around '${SHELL}' in
$ac_cv_path_AUTOCONF.
Signed-off-by: Alexey Neyman <stilor@att.net>
