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(AC_SYS_RESTARTABLE_SYSCALLS):

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Improve the accuracy of the wording about obsolescence.
This commit is contained in:
Paul Eggert 2003-09-08 00:55:50 +00:00
parent 5a157e6b6e
commit eb767047ca
1 changed files with 4 additions and 3 deletions
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7
lib/autoconf/specific.m4
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@ -252,9 +252,10 @@ fi
# interrupted by a signal, define `HAVE_RESTARTABLE_SYSCALLS'.
AC_DEFUN([AC_SYS_RESTARTABLE_SYSCALLS],
[AC_DIAGNOSE([obsolete],
[$0: System call restartability is now typically set at runtime.
Remove this `AC_SYS_RESTARTABLE_SYSCALLS'
and adjust your code to use `sigaction' with `SA_RESTART' instead.])dnl
[$0: AC_SYS_RESTARTABLE_SYSCALLS is useful only when supporting very
old systems that lack `sigaction' and `SA_RESTART'. Don't bother with
this macro unless you need to support very old systems like 4.2BSD and
SVR3.])dnl
AC_REQUIRE([AC_HEADER_SYS_WAIT])dnl
AC_CHECK_HEADERS(unistd.h)
AC_CACHE_CHECK(for restartable system calls, ac_cv_sys_restartable_syscalls,