-# serial 23
+# serial 26
-# Copyright (C) 2001, 2003, 2005-2006, 2009-2011 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2005-2006, 2009-2014 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
[gl_cv_func_rename_slash_dst_works=yes],
[gl_cv_func_rename_slash_dst_works=no],
dnl When crosscompiling, assume rename is broken.
- [gl_cv_func_rename_slash_dst_works="guessing no"])
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_rename_slash_dst_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_rename_slash_dst_works="guessing no" ;;
+ esac
+ ])
rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk
])
- if test "x$gl_cv_func_rename_slash_dst_works" != xyes; then
- AC_LIBOBJ([rename])
- REPLACE_RENAME=1
- AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1],
- [Define if rename does not correctly handle slashes on the destination
- argument, such as on Solaris 10 or NetBSD 1.6.])
- fi
+ case "$gl_cv_func_rename_slash_dst_works" in
+ *yes) ;;
+ *)
+ REPLACE_RENAME=1
+ AC_DEFINE([RENAME_TRAILING_SLASH_DEST_BUG], [1],
+ [Define if rename does not correctly handle slashes on the destination
+ argument, such as on Solaris 10 or NetBSD 1.6.])
+ ;;
+ esac
dnl SunOS 4.1.1_U1 mistakenly forbids rename("dir/","name").
dnl Solaris 9 mistakenly allows rename("file/","name").
[gl_cv_func_rename_slash_src_works=yes],
[gl_cv_func_rename_slash_src_works=no],
dnl When crosscompiling, assume rename is broken.
- [gl_cv_func_rename_slash_src_works="guessing no"])
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_rename_slash_src_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_rename_slash_src_works="guessing no" ;;
+ esac
+ ])
rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk
])
- if test "x$gl_cv_func_rename_slash_src_works" != xyes; then
- AC_LIBOBJ([rename])
- REPLACE_RENAME=1
- AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1],
- [Define if rename does not correctly handle slashes on the source
- argument, such as on Solaris 9 or cygwin 1.5.])
- fi
+ case "$gl_cv_func_rename_slash_src_works" in
+ *yes) ;;
+ *)
+ REPLACE_RENAME=1
+ AC_DEFINE([RENAME_TRAILING_SLASH_SOURCE_BUG], [1],
+ [Define if rename does not correctly handle slashes on the source
+ argument, such as on Solaris 9 or cygwin 1.5.])
+ ;;
+ esac
dnl NetBSD 1.6 and cygwin 1.5.x mistakenly reduce hard link count
dnl on rename("h1","h2").
dnl This bug requires stat'ting targets prior to attempting rename.
+ AC_CHECK_FUNCS_ONCE([link])
AC_CACHE_CHECK([whether rename manages hard links correctly],
[gl_cv_func_rename_link_works],
- [rm -rf conftest.f conftest.f1
- if touch conftest.f && ln conftest.f conftest.f1 &&
- set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then
- AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([[
-# include <stdio.h>
-# include <stdlib.h>
-# include <unistd.h>
- ]],
- [[int result = 0;
- if (rename ("conftest.f", "conftest.f1"))
- result |= 1;
- if (unlink ("conftest.f1"))
- result |= 2;
- if (rename ("conftest.f", "conftest.f"))
- result |= 4;
- if (rename ("conftest.f1", "conftest.f1") == 0)
- result |= 8;
- return result;
- ]])],
- [gl_cv_func_rename_link_works=yes],
- [gl_cv_func_rename_link_works=no],
- dnl When crosscompiling, assume rename is broken.
- [gl_cv_func_rename_link_works="guessing no"])
- else
- gl_cv_func_rename_link_works="guessing no"
- fi
- rm -rf conftest.f conftest.f1
- ])
- if test "x$gl_cv_func_rename_link_works" != xyes; then
- AC_LIBOBJ([rename])
- REPLACE_RENAME=1
- AC_DEFINE([RENAME_HARD_LINK_BUG], [1],
- [Define if rename fails to leave hard links alone, as on NetBSD 1.6
- or Cygwin 1.5.])
- fi
+ [if test $ac_cv_func_link = yes; then
+ rm -rf conftest.f conftest.f1
+ if touch conftest.f && ln conftest.f conftest.f1 &&
+ set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[
+# include <stdio.h>
+# include <stdlib.h>
+# include <unistd.h>
+ ]],
+ [[int result = 0;
+ if (rename ("conftest.f", "conftest.f1"))
+ result |= 1;
+ if (unlink ("conftest.f1"))
+ result |= 2;
+ if (rename ("conftest.f", "conftest.f"))
+ result |= 4;
+ if (rename ("conftest.f1", "conftest.f1") == 0)
+ result |= 8;
+ return result;
+ ]])],
+ [gl_cv_func_rename_link_works=yes],
+ [gl_cv_func_rename_link_works=no],
+ dnl When crosscompiling, assume rename is broken.
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_rename_link_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_rename_link_works="guessing no" ;;
+ esac
+ ])
+ else
+ gl_cv_func_rename_link_works="guessing no"
+ fi
+ rm -rf conftest.f conftest.f1
+ else
+ gl_cv_func_rename_link_works=yes
+ fi
+ ])
+ case "$gl_cv_func_rename_link_works" in
+ *yes) ;;
+ *)
+ REPLACE_RENAME=1
+ AC_DEFINE([RENAME_HARD_LINK_BUG], [1],
+ [Define if rename fails to leave hard links alone, as on NetBSD 1.6
+ or Cygwin 1.5.])
+ ;;
+ esac
dnl Cygwin 1.5.x mistakenly allows rename("dir","file").
dnl mingw mistakenly forbids rename("dir1","dir2").
[gl_cv_func_rename_dest_works=yes],
[gl_cv_func_rename_dest_works=no],
dnl When crosscompiling, assume rename is broken.
- [gl_cv_func_rename_dest_works="guessing no"])
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_rename_dest_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_rename_dest_works="guessing no" ;;
+ esac
+ ])
rm -rf conftest.f conftest.d1 conftest.d2
])
- if test "x$gl_cv_func_rename_dest_works" != xyes; then
- AC_LIBOBJ([rename])
- REPLACE_RENAME=1
- AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1],
- [Define if rename does not work when the destination file exists,
- as on Cygwin 1.5 or Windows.])
- fi
+ case "$gl_cv_func_rename_dest_works" in
+ *yes) ;;
+ *)
+ REPLACE_RENAME=1
+ AC_DEFINE([RENAME_DEST_EXISTS_BUG], [1],
+ [Define if rename does not work when the destination file exists,
+ as on Cygwin 1.5 or Windows.])
+ ;;
+ esac
])