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Imported Upstream version 1.4.15

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This commit is contained in:
Jan Wagner 2013-11-26 23:57:29 +01:00
parent 882cdeecca
commit 047baae1ca
386 changed files with 60019 additions and 38317 deletions
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26
gl/m4/open.m4
View file

@ -1,5 +1,5 @@
# open.m4 serial 5
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.
@ -13,10 +13,15 @@ AC_DEFUN([gl_FUNC_OPEN],
;;
*)
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 $ac_cv_func_lstat = yes; then
touch conftest.tmp
ln -s conftest.tmp conftest.lnk
fi
AC_TRY_RUN([
#include <fcntl.h>
#if HAVE_UNISTD_H
@ -24,18 +29,22 @@ AC_DEFUN([gl_FUNC_OPEN],
#endif
int main ()
{
#if HAVE_LSTAT
if (open ("conftest.lnk/", O_RDONLY) != -1) return 2;
#endif
return open ("conftest.sl/", O_CREAT, 0600) >= 0;
}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
[
changequote(,)dnl
case "$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)
@ -51,16 +60,15 @@ changequote([,])dnl
AC_DEFUN([gl_REPLACE_OPEN],
[
AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
if test $REPLACE_OPEN != 1; then
AC_LIBOBJ([open])
gl_PREREQ_OPEN
fi
REPLACE_OPEN=1
AC_LIBOBJ([open])
gl_PREREQ_OPEN
])
# Prerequisites of lib/open.c.
AC_DEFUN([gl_PREREQ_OPEN],
[
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
:
])