The logic for generating sysdeps/mach/hurd/bits/errno.h involves a
stamp file and $(move-if-change).
The temporary file (generated unconditionally) is generated in the
source directory. This means that even if
sysdeps/mach/hurd/bits/errno.h is up to date, and has an up to date
timestamp, the build will fail if the source directory is read-only.
Even with a writable source directory, multiple concurrent builds for
i686-gnu with the same source directory could race to access the
temporary file (which always has the same name).
This patch uses the build directory for the temporary file instead to
avoid those problems. (In the case where the file is out of date and
the temporary file does need to be moved to the source directory, if
there are multiple concurrent builds for i686-gnu with the same source
directory, and the source and build directories are on different
filesystems, it's possible there might still be races replacing the
file in the source directory, depending on exactly how mv handles such
cross-filesystem moves. This is certainly no worse than the present
situation, where such a case would have races regardless of whether
the file is out of date or whether different filesystems are in use.)
Tested with a build-many-glibcs.py build for i686-gnu.
* sysdeps/mach/hurd/Makefile ($(common-objpfx)stamp-errnos): Use
$(hurd-objpfx)bits/errno.h-tmp, not $(hurd)/bits/errno.h-tmp.
Generating errnos.d does not actually need libc-modules.h.
* sysdeps/mach/hurd/Makefile ($(common-objpfx)errnos.d): Strip
"-include $(common-objpfx)libc-modules.h" from CPPFLAGS, and do not
depend on libc-modules.h,
when initial make call has subdir= explicitly set.
* sysdeps/mach/Makefile ($(patsubst
mach%,m\%h%,$(mach-before-compile))): Force subdir to mach when
calling $(MAKE).
* sysdeps/mach/hurd/Makefile ($(patsubst %,$(hurd-objpfx)hurd/%.%,auth
io fs process)): Force subdir to hurd when calling $(MAKE).
($(common-objpfx)hurd/../mach/RPC_task_get_sampled_pcs.c): Force
subdir to mach when calling $(MAKE).
Add net/ethernet.h net/if_arp.h net/if_ether.h net/if_ppp.h
net/route.h.
* hurd/report-wait.c (describe_number): Use __stpcpy to prepend
flavor to description only when flavor is not NULL.
* hurd/hurdsig.c (signal_allowed): Unlock _hurd_dtable_lock
mutex after SIGIO/SIGURG lookup loop.
* sysdeps/mach/Makefile (mach-before-compile rule): Pass generating=t,
use target mach-before-compile instead of generated.
(mach-before-compile): New target.
* Makerules: Disable use of tls.make if $(generating) is set.
* mach/Makefile: Include mach-syscalls.mk even if no_deps=t.
* sysdeps/mach/hurd/Makefile: Make generated hurd headers depend on
mach-shortcuts.h so mach/ generation happens before hurd/.
* sysdeps/mach/powerpc/machine-sp.h: New file.
* sysdeps/mach/powerpc/sysdep.h: New file.
* sysdeps/mach/powerpc/thread_state.h: New file.
* sysdeps/mach/hurd/i386/Makefile: File removed; crt0.o rules moved ...
* sysdeps/mach/hurd/Makefile: ... to here. For the time being, we can
expect to need the same thing on every platform.
* sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: File moved ...
* sysdeps/generic/sys/ucontext.h: ... to replace this one.
* sysdeps/mach/hurd/Makefile: Add $(CFLAGS) for generation of
bits/errno.h
2001-10-07 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/setrlimit.c (__setrlimit): Never return ENOSYS.
2001-07-06 Paul Eggert <eggert@twinsun.com>
* manual/argp.texi: Remove ignored LGPL copyright notice; it's
not appropriate for documentation anyway.
* manual/libc-texinfo.sh: "Library General Public License" ->
"Lesser General Public License".
2001-07-06 Andreas Jaeger <aj@suse.de>
* All files under GPL/LGPL version 2: Place under LGPL version
2.1.
Declare these without `static', to avoid warning that we haven't
defined them.
* Makerules (build-module-helper-objlist): New variable,
broken out of build-module. Insert --whole-archive/--no-whole-archive
immediately each *_pic.a file in the link object list.
(whole-archive): New variable, used by that.
(build-module-objlist): New variable using build-module-helper-objlist.
(build-module, build-module-helper): Use it.
(build-shlib-objlist): New variable using build-module-helper-objlist.
(build-shlib): Use that.
* sysdeps/mach/hurd/Makefile ($(link-rpcuserlibs)): Likewise.
* sysdeps/mach/hurd/Makefile ($(link-rpcuserlibs)): Don't use
$(build-module) here, since we don't need the full magilla.
Just use $(build-module-helper) and append our special options.
options after $(build-module), which is no longer a single command.
(LDFLAGS-link-rpcuserlibs): New variable to hold those options.
(LDFLAGS-libmachuser-link.so, LDFLAGS-libhurduser-link.so): New
variables using it. Reported by Mark Kettenis <kettenis@gnu.org>.
2001-03-11 Roland McGrath <roland@frob.com>
* elf/rtld.c (dl_main): Add cast to quiet warning.
* elf/dl-load.c (_dl_map_object_from_fd): Likewise.
* iconv/gconv_conf.c (__gconv_get_path): Likewise.
(__gconv_read_conf): Likewise.
* iconv/gconv_db.c (gen_steps): Likewise.
(__gconv_find_transform): Likewise.
* locale/programs/charmap-dir.c (fopen_uncompressed): Likewise.
(fopen_uncompressed): Use const in second argument's type.
2001-03-11 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/dl-sysdep.c (__writev): New function.
* mach/mach_error.h: Fix ancient #endif syntax.
* hurd/hurdmalloc.c: Likewise.
* sysdeps/generic/atomicity.h (exchange_and_add, atomic_add,
compare_and_swap): Add volatile qualifier to first arg, to bring
these prototypes in line with all the other implementations.
Add a #warning to remind the builder that these are not atomic.
2001-03-04 Roland McGrath <roland@frob.com>
* hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Use innermore first
member of TEMP_F so its type is _IO_FILE * as expected.
* hurd/fopenport.c (seekio): Conditionalize type of POS argument
on [USE_IN_LIBIO]. Check the value for overflow, since for libio
it might exceed off_t's range.
2001-02-25 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/sysd-stdio.c (__stdio_reopen): Use prototype.
* sysdeps/unix/bsd/getpt.c (__posix_openpt): Likewise.
* sysdeps/mach/hurd/i386/intr-msg.h (SYSCALL_EXAMINE): Make this a
macro instead of an inline function,
(MSG_EXAMINE): Likewise.
* hurd/hurd/ioctl.h (_HURD_HANDLE_IOCTLS_1): Remove extraneous ##.
* hurd/get-host.c: Include <string.h> for decls of built-ins.
* hurd/hurdchdir.c: Likewise.
* sysdeps/mach/hurd/i386/sigreturn.c: Likweise.
* sysdeps/mach/hurd/opendir.c: Likewise.
* mach/mach_init.c: Include <unistd.h> for _exit decl.
* mach/errsystems.awk: Give output file a trailing newline.
* mach/Machrules (MIG): Prepend CC='${CC}' to the mig command, so that
the script will use our compiler for the cpp stage.
With --enable-all-warnings we get a whole bunch of warnings,
and these are just a few fixes; there are more needed to silence it.
* mach/mach/mig_support.h (__mig_strncpy, mig_strncpy): Add extern
decls before extern inline defns to quiet gcc warning.
* hurd/hurd/threadvar.h (__hurd_threadvar_location_from_sp): Likewise.
* sysdeps/mach/i386/machine-sp.h (__thread_stack_pointer): Likewise.
argument type, for 2000-02-22 change in signal/signal.h declaration.
* sysdeps/generic/getdents64.c (__getdirentries64): Renamed
to getdirentries64 (no __), since the Linux implementation
has no __ name, and there is no declaration for the __ name.
* sysdeps/mach/bits/libc-lock.h (__libc_cleanup_end): New macro.
* sysdeps/mach/hurd/Makefile ($(common-objpfx)errnos.d): Tighten up
sed regexp so as not to break directory names including /../ within.
* sysdeps/unix/bsd/bits/waitflags.h: File removed.
The sysdeps/generic file is right for BSD. This file was in fact the
Hurd file, but the only difference was the WNOREAP flag that was never
actually implemented or used anywhere.
* sysdeps/mach/hurd/nfs/nfs.h: New file, empty but for comments.
Its presence lets librpcsvc compile ok. This from Mark Kettenis.
We don't install this file for users.
* sysdeps/mach/hurd/Dist: Add it.
* sysdeps/mach/hurd/Makefile [$(subdir) = sunrpc] (sysdep_headers):
Append nfs/nfs.h here.
* sysdeps/mach/hurd/Makefile: Undo last change.
[$(subdir) = mach] (lib-noranlib): Depend on libmachuser-link.so.
[$(subdir) = hurd] (lib-noranlib): Depend on libhurduser-link.so.
* mach/Machrules (+preinit, +postinit, +interp,
LDFLAGS-$(interface.so)): Variables removed. Interface libraries get
linked just like other shared libraries.
(interface.so): Fix typo in defn, so it works.
($(objpfx)$(interface.so)): Make it depend on libc.so.
* sysdeps/mach/hurd/fcntl.c (__fcntl: case F_GETLK,F_SETLK,F_SETLKW):
Support whole-file locking (only) by using the file_lock RPC. This
has very wrong semantics, but is better than nothing for the time
being. (Correct POSIX.1 locking will require new RPCs in the Hurd
protocols that will be somewhat hairy to specify.)
* sunrpc/svc_unix.c, sunrpc/clnt_unix.c: Avoid using `struct cmsghdr'
and `struct ucred' #ifndef SCM_CREDENTIALS.
* sunrpc/publickey.c (getsecretkey): Use `&errno' instead of
`__errno_location ()'; means the same, works for Hurd.
* sysdeps/mach/hurd/Makefile (subdirs): Don't elide sunrpc.
1998-08-27 19:42 Ulrich Drepper <drepper@cygnus.com>
* elf/Makefile (distribute): Add dl-origin.h.
* sysdeps/generic/dl-origin.h: New file.
* sysdeps/unix/sysv/linux/dl-origin.h: New file.
* elf/link.h (struct link_map): Add l_origin field.
* elf/dl-load.c (expand_dynamic_string_token): New function.
(decompose_path): Remove WHERE argument, take link map pointer instead.
Call expand_dynamic_string_token instead of local_strdup to make copy
of rpath.
(_dl_init_paths): Call decompose_path with correct argument.
(_dl_map_object_from_fd): Define static is EXTERNAL_MAP_FROM_FD is
not defined.
Check EI_OSABI and EI_ABIVERSION fields in header.
(_dl_map_object): Call decompose_path with correct argument.
Call expand_dynamic_string_token instead of local_strdup to also
expand DST.
* elf/dl-object.c (_dl_new_object): Determine l_origin for all maps
but the main one.
* elf/dl-support.c: Define _dl_origin_path.
* elf/rtld.c: Likewise. Set _dl_origin_path based on LD_ORIGIN_PATH.
* elf/dl-close (_dl_close): Free l_name and l_origin.
* sysdeps/i386/useldt.h (THREAD_GETMEM, THREAD_SETMEM): Use P
modifier in asm, not c.
* sysdeps/mach/hurd/Makefile [subdirs==elf]: Define CFLAGS-dl-load.c
to -DEXTERNAL_MAP_FROM_FD to make _dl_map_object_from_fd extern.
