-# open.m4 serial 7
-dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
+# open.m4 serial 8
+dnl Copyright (C) 2007-2010 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.
;;
*)
dnl open("foo/") should not create a file when the file name has a
- dnl trailing slash.
+ dnl trailing slash. FreeBSD only has the problem on symlinks.
+ AC_CHECK_FUNCS_ONCE([lstat])
AC_CACHE_CHECK([whether open recognizes a trailing slash],
[gl_cv_func_open_slash],
- [
+ [# Assume that if we have lstat, we can also check symlinks.
+ if test $ac_cv_func_lstat = yes; then
+ touch conftest.tmp
+ ln -s conftest.tmp conftest.lnk
+ fi
AC_TRY_RUN([
#include <fcntl.h>
#if HAVE_UNISTD_H
#endif
int main ()
{
+#if HAVE_LSTAT
+ if (open ("conftest.lnk/", O_RDONLY) != -1) return 2;
+#endif
return open ("conftest.sl/", O_CREAT, 0600) >= 0;
}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
[
changequote(,)dnl
case "$host_os" in
+ freebsd*) gl_cv_func_open_slash="guessing no" ;;
solaris2.[0-9]*) gl_cv_func_open_slash="guessing no" ;;
hpux*) gl_cv_func_open_slash="guessing no" ;;
*) gl_cv_func_open_slash="guessing yes" ;;
esac
changequote([,])dnl
])
- rm -f conftest.sl
+ rm -f conftest.sl conftest.tmp conftest.lnk
])
case "$gl_cv_func_open_slash" in
*no)