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[debian/tar]
/
m4
/
fcntl.m4
diff --git
a/m4/fcntl.m4
b/m4/fcntl.m4
index fcb5f4471114d81b238c81083bc835a93a302d08..4a2771fae35f2a50ef1aa1193faad1515d9748db 100644
(file)
--- a/
m4/fcntl.m4
+++ b/
m4/fcntl.m4
@@
-1,5
+1,5
@@
-# fcntl.m4 serial
3
-dnl Copyright (C) 2009
, 2010
Free Software Foundation, Inc.
+# fcntl.m4 serial
5
+dnl Copyright (C) 2009
-2014
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 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.
@@
-24,11
+24,16
@@
AC_DEFUN([gl_FUNC_FCNTL],
gl_REPLACE_FCNTL
else
dnl cygwin 1.5.x F_DUPFD has wrong errno, and allows negative target
gl_REPLACE_FCNTL
else
dnl cygwin 1.5.x F_DUPFD has wrong errno, and allows negative target
+ dnl haiku alpha 2 F_DUPFD has wrong errno
AC_CACHE_CHECK([whether fcntl handles F_DUPFD correctly],
[gl_cv_func_fcntl_f_dupfd_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <fcntl.h>
AC_CACHE_CHECK([whether fcntl handles F_DUPFD correctly],
[gl_cv_func_fcntl_f_dupfd_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <fcntl.h>
-]], [[return fcntl (0, F_DUPFD, -1) != -1;
+#include <errno.h>
+]], [[int result = 0;
+ if (fcntl (0, F_DUPFD, -1) != -1) result |= 1;
+ if (errno != EINVAL) result |= 2;
+ return result;
]])],
[gl_cv_func_fcntl_f_dupfd_works=yes],
[gl_cv_func_fcntl_f_dupfd_works=no],
]])],
[gl_cv_func_fcntl_f_dupfd_works=yes],
[gl_cv_func_fcntl_f_dupfd_works=no],
@@
-68,6
+73,14
@@
choke me
dnl No witness macro needed for this bug.
fi
fi
dnl No witness macro needed for this bug.
fi
fi
+ dnl Replace fcntl() for supporting the gnulib-defined fchdir() function,
+ dnl to keep fchdir's bookkeeping up-to-date.
+ m4_ifdef([gl_FUNC_FCHDIR], [
+ gl_TEST_FCHDIR
+ if test $HAVE_FCHDIR = 0; then
+ gl_REPLACE_FCNTL
+ fi
+ ])
])
AC_DEFUN([gl_REPLACE_FCNTL],
])
AC_DEFUN([gl_REPLACE_FCNTL],
@@
-79,5
+92,4
@@
AC_DEFUN([gl_REPLACE_FCNTL],
else
REPLACE_FCNTL=1
fi
else
REPLACE_FCNTL=1
fi
- AC_LIBOBJ([fcntl])
])
])