-# open.m4 serial 9
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# open.m4 serial 12
+dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
touch conftest.tmp
ln -s conftest.tmp conftest.lnk
fi
- AC_TRY_RUN([
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
#include <fcntl.h>
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
int main ()
{
+ int result = 0;
#if HAVE_LSTAT
- if (open ("conftest.lnk/", O_RDONLY) != -1) return 2;
+ if (open ("conftest.lnk/", O_RDONLY) != -1)
+ result |= 1;
#endif
- return open ("conftest.sl/", O_CREAT, 0600) >= 0;
-}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
+ if (open ("conftest.sl/", O_CREAT, 0600) >= 0)
+ result |= 2;
+ return result;
+}]])],
+ [gl_cv_func_open_slash=yes],
+ [gl_cv_func_open_slash=no],
[
changequote(,)dnl
case "$host_os" in
- freebsd* | aix* | hpux* | solaris2.[0-9]*)
+ freebsd* | aix* | hpux* | solaris2.[0-9] | solaris2.[0-9].*)
gl_cv_func_open_slash="guessing no" ;;
*)
gl_cv_func_open_slash="guessing yes" ;;
esac
;;
esac
+ dnl Replace open() for supporting the gnulib-defined O_NONBLOCK flag.
+ m4_ifdef([gl_NONBLOCKING_IO], [
+ if test $REPLACE_OPEN = 0; then
+ gl_NONBLOCKING_IO
+ if test $gl_cv_have_open_O_NONBLOCK != yes; then
+ gl_REPLACE_OPEN
+ fi
+ fi
+ ])
])
AC_DEFUN([gl_REPLACE_OPEN],