source: rtems/aclocal/check-posix.m4 @ 9608320

4.104.114.84.95
Last change on this file since 9608320 was 9608320, checked in by Joel Sherrill <joel.sherrill@…>, on 11/22/99 at 13:41:11

Patch rtems-rc-19991117-4.diff from Ralf Corsepius <corsepiu@…>:

.. a major configuration cleanup
... major enhancement of automake support.

... and it contains a *major* breakthough:

Automake support for libchip and libmisc *LEAF* directories.

To implement this I have used several nasty tricks

  • The basical trick is to wrap an old Makefile.in's contents into a Makefile.am and still continue to use (i.e include) the old *.cfg files.
  • Replaced each INSTALL_IF_CHANGE and INSTALL_VARIANT with make dependencies
  • Add a gnu-make ifdef AUTOMAKE to main.cfg to avoid conflicts between automake and RTEMS make rules
  • Replaced each install:: and preinstall:: rule with make dependencies
  • Replaced SUB_DIRS with SUBDIRS in all Makefile.ins (Automake convention)
  • Removed each manually added autoconf substitution which automake performs automatically.

This is not yet full automake support, because using the temporary
installation directory, preinstallation in general and building variants
are in contradiction to automake's basic working principles ...

... the new Makefile.ams work still somewhat clumsy
... nevertheless they work (quite well).

WARNING:

At first glance this patch is small, but

  • it affects the whole configuration system.
  • it opens the road to introducing automake to all Makefile.ins currently not being under automake control.

JOEL> Does this remove or add any files?

Both, all Makefile.ins below libchip and libmisc get replaced with
Makefile.ams.

  • Property mode set to 100644
File size: 628 bytes
Line 
1dnl $Id$
2dnl
3AC_DEFUN(RTEMS_CHECK_POSIX_API,
4[dnl
5AC_REQUIRE([RTEMS_ENV_RTEMSBSP])dnl
6AC_REQUIRE([RTEMS_CHECK_CPU])dnl
7AC_REQUIRE([RTEMS_ENABLE_POSIX])dnl
8
9AC_CACHE_CHECK([whether BSP supports libposix],
10  rtems_cv_HAS_POSIX_API,
11  [dnl
12    case "$RTEMS_CPU" in
13    unix*)
14      rtems_cv_HAS_POSIX_API="no"
15      ;;
16    *)
17      if test "${RTEMS_HAS_POSIX_API}" = "yes"; then
18        rtems_cv_HAS_POSIX_API="yes";
19      else
20        rtems_cv_HAS_POSIX_API="disabled";
21      fi
22      ;;
23    esac])
24if test "$rtems_cv_HAS_POSIX_API" = "yes"; then
25  HAS_POSIX_API="yes";
26else
27  HAS_POSIX_API="no";
28fi
29AC_SUBST(HAS_POSIX_API)dnl
30])
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