* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
* build-aux/gendocs.sh (version):
* doc/gendocs_template:
* doc/gendocs_template_min:
* doc/gnulib.texi:
* lib/version-etc.c (COPYRIGHT_YEAR):
Update copyright dates by hand in templates and the like.
* all files: Run 'make update-copyright'.
It started like this when building coreutils' latest on OS X,
invoking ./configure with a nonempty --cache=.cache:
lib/linkat.c:46:42: error: operator '||' has no right operand
lib/linkat.c: In function 'rpl_linkat':
lib/linkat.c:330:27: error: #if with no expression
Here's linkat.c's line 46:
#if !HAVE_LINKAT || LINKAT_SYMLINK_NOTSUP
Here's some context:
$ grep linkat_nofoll .cache
gl_cv_func_linkat_nofollow=${gl_cv_func_linkat_nofollow=no}
$ grep LINKAT_SYM lib/config.h
#define LINKAT_SYMLINK_NOTSUP
The problem is that m4/linkat.m4's gl_FUNC_LINKAT
uses AC_CACHE_CHECK to set LINKAT_SYMLINK_NOTSUP,
but that violates a tenet of AC_CACHE_CHECK: it must
have no side effect other than setting its cache variable.
What happens is that when the cache is set, we'd skip the
code in that AC_CACHE_CHECK call, and leave LINKAT_SYMLINK_NOTSUP
defined to whatever value it happened to have in configure's
environment. In my case, it was not defined, so this later code:
AC_DEFINE_UNQUOTED([LINKAT_SYMLINK_NOTSUP], [$LINKAT_SYMLINK_NOTSUP],
[Define to 1 if linkat can create hardlinks to symlinks])
would emit code with an empty RHS.
* m4/linkat.m4 (gl_FUNC_LINKAT): Move the setting of
$LINKAT_SYMLINK_NOTSUP out of the AC_CACHE_CHECK code block.
On Darwin 14.3.0 linkat(,"path1",,"dangling_symlink/",)
causes the symlink to be dereferenced, and if it points
to a non existent file, that file will be created as
a hard link to "path1".
This fixes a test failure in test-linkat.c.
* m4/linkat.m4 (gl_FUNC_LINKAT): Augment the test with
this case. The existing workaround in linkat.c for
trailing slash issues, suffices for this case.
* doc/posix-functions/linkat.texi: Add OS X 10.10 to
the list of platforms with trailing slash issues.
* m4/linkat.m4 (gl_FUNC_LINKAT): The compile check for AT_SYMLINK_FOLLOW
was redundant for a few reasons. It was present to support compiling
on new systems but running on the old narrow window of Linux 2.6.1[67].
It setup and cleaned up test files which weren't actually used.
On non __linux__ it compile tested AT_SYMLINK_FOLLOW, but that is
implicit in the following check.
* m4/linkat.m4 (gl_FUNC_LINKAT): linkat() is available on Yosemite
but not usable because it doesn't support creating hardlinks
to symlinks. Therefore add a generic test for this capability
and fallback to our emulation if linkat() fails with ENOTSUP.
Paul Eggert