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GNU ld and gold have supported --print-output-format since 2011. glibc
requires binutils>=2.25 (2015), so if LD is GNU ld or gold, we can
assume the option is supported.
lld is by default a cross linker supporting multiple targets. It auto
detects the file format and does not need OUTPUT_FORMAT. It does not
support --print-output-format.
By parsing objdump -f, we can support all the three linkers.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This alters move-if-change so that its --version option outputs
the correct copyright date automatically. One less thing
to update by hand.
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I've updated copyright dates in glibc for 2021. This is the patch for
the changes not generated by scripts/update-copyrights and subsequent
build / regeneration of generated files. As well as the usual annual
updates, mainly dates in --version output (minus csu/version.c which
previously had to be handled manually but is now successfully updated
by update-copyrights), there is a small change to the copyright notice
in NEWS which should let NEWS get updated automatically next year.
Please remember to include 2021 in the dates for any new files added
in future (which means updating any existing uncommitted patches you
have that add new files to use the new copyright dates in them).
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I used these shell commands:
../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright
(cd ../glibc && git commit -am"[this commit message]")
and then ignored the output, which consisted lines saying "FOO: warning:
copyright statement not found" for each of 6694 files FOO.
I then removed trailing white space from benchtests/bench-pthread-locks.c
and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this
diagnostic from Savannah:
remote: *** pre-commit check failed ...
remote: *** error: lines with trailing whitespace found
remote: error: hook declined to update refs/heads/master
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We need it to get the RPC API version.
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This patch makes build-many-glibcs.py use Linux 5.10.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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This patch makes build-many-glibcs.py use the recent GMP 6.2.1
release.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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This helper script can be used to move symbols to libc.abilist across
all architectures, while preserving their symbol version.
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Libc has actually been using mach's lock-internal.h mutex for a long
time already.
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This patch makes build-many-glibcs.py use the new MPC 1.2.1 release.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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This patch makes build-many-glibcs.py use Linux 5.9.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The inner loop is called thousands of times per "make check" even
if there's otherwise nothing to do. Avoid calling /bin/head all
those times when a builtin will do.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Support building three variants of 32-bit RISC-V glibc as follows:
- riscv32-linux-gnu-rv32imac-ilp32
- riscv32-linux-gnu-rv32imafdc-ilp32
- riscv32-linux-gnu-rv32imafdc-ilp32d
Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
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ProjectQuirks moved into its own file in gnulib because one cannot
import modules with hyphens in them. Adjust the quirks file to
reflect this reality.
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On s390x, gcc inlines more aggresive compared to other architectures.
This occaisionally leads to build warnings / errors.
Therefore this patch adds a s390x glibc variant with optimization.
There is the ccopts field which contain ABI options which are passed
to configure as CC / CXX. Now there is also the cflags field which
contains non-ABI options like -g or -O. Those are passed to configure
as CFLAGS / CXXFLAGS.
Currently CC is passed to conformtest.py or linknamespace.py but not
the CFLAGS.
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This patch makes build-many-glibcs.py use the new MPC 1.2.0 release.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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Since binutils has obsoleted ia64 support, use --enable-obsolete for
now when configuring binutils for ia64 in build-many-glibcs.py (which
requires adding support for architecture-specific binutils configure
options there). As with other obsoletions, the removal of support for
ia64 in any of (binutils, GCC, Linux kernel) should imply its removal
from glibc.
Tested with build-many-glibcs.py for ia64-linux-gnu (compilers and
glibcs build).
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This patch makes build-many-glibcs.py use Linux 5.8.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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This patch makes build-many-glibcs.py use binutils 2.35 branch.
Tested with build-many-glibcs.py (compilers and glibcs builds).
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This patch makes build-many-glibcs.py use the new MPFR 4.1.0 release.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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Sun RPC was removed from glibc. This includes rpcgen program, librpcsvc,
and Sun RPC headers. Also test for bug #20790 was removed
(test for rpcgen).
Backward compatibility for old programs is kept only for architectures
and ABIs that have been added in or before version 2.28.
libtirpc is mature enough, librpcsvc and rpcgen are provided in
rpcsvc-proto project.
NOTE: libnsl code depends on Sun RPC (installed libnsl headers use
installed Sun RPC headers), thus --enable-obsolete-rpc was a dependency
for --enable-obsolete-nsl (removed in a previous commit).
The arc ABI list file has to be updated because the port was added
with the sunrpc symbols
Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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this means that *always* libnsl is only built as shared library for
backward compatibility and the NSS modules libnss_nis and libnss_nisplus
are not built at all, libnsl's headers aren't installed.
This compatibility is kept only for architectures and ABIs that have
been added in or before version 2.28.
Replacement implementations based on TIRPC, which additionally support
IPv6, are available from <https://github.com/thkukuk/>.
This change does not affect libnss_compat which does not depended
on libnsl since 2.27 and thus can be used without NIS.
libnsl code depends on Sun RPC, e.g. on --enable-obsolete-rpc (installed
libnsl headers use installed Sun RPC headers), which will be removed in
the following commit.
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The symbol is deprecated by strerror since its usage imposes some issues
such as copy relocations.
Its internal name is also changed to _sys_errlist_internal to avoid
static linking usage. The compat code is also refactored by removing
the over enginered errlist-compat.c generation from manual entried and
extra comment token in linker script file. It disantangle the code
generation from manual and simplify both Linux and Hurd compat code.
The definitions from errlist.c are moved to errlist.h and a new test
is added to avoid a new errno entry without an associated one in manual.
Checked on x86_64-linux-gnu and i686-linux-gnu. I also run a check-abi
on all affected platforms.
Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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This patch makes build-many-glibcs.py use Linux 5.7.
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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This updates the default GCC version used in build-many-glibcs.py when
no version is specified explicitly. I'm replacing my bot using GCC 8
with one using GCC 10 (leaving the GCC 9 and GCC mainline bots running
as at present).
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Linux 5.5 remove the system call in commit
61a47c1ad3a4dc6882f01ebdc88138ac62d0df03 ("Linux: Remove
<sys/sysctl.h>"). Therefore, the compat function is just a stub that
sets ENOSYS.
Due to SHLIB_COMPAT, new ports will not add the sysctl function anymore
automatically.
x32 already lacks the sysctl function, so an empty sysctl.c file is
used to suppress it. Otherwise, a new compat symbol would be added.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch makes build-many-glibcs.py use the current versions of
Linux (5.6) and GMP (6.2.0).
Tested with build-many-glibcs.py (host-libraries, compilers and glibcs
builds).
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These commands are helpful for scripting the distribution of
build-many-glibcs.py runs across multiple builders.
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The history is not used by build-many-glibcs.py itself.
--replace-sources deletes an existing source tree before switching
the version. But some users prefer to have the full history
available, therefore make shallow clones optional with the --shallow
option.
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Writable, executable segments defeat security hardening. The
existing check for DT_TEXTREL does not catch this.
hppa and SPARC currently keep the PLT in an RWX load segment.
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A non-ascii character in the installed headers leads now to:
error: failure to convert ascii to UTF-8
Such a finding in s390 specific fenv.h leads to fails in GCC testsuite.
See glibc commit 08aea89ef67c5780ae734073494df0a451bce20f.
Adding this gcc option also to our tests was proposed by Florian Weimer.
This change also found a hit in resource.h where now "microseconds" is used.
I've adjusted all the resource.h files.
I've used the following command to check for further hits in headers.
LC_ALL=C find -name "*.h" -exec grep -PHn "[\x80-\xFF]" {} \;
Tested on s390x and x86_64.
Reviewed-by: Zack Weinberg <zackw@panix.com>
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Now that binutils-gdb has gdbserver at top level, an extra
--disable-gdbserver configure option is needed when configuring
binutils from a git checkout to avoid it also building gdbserver
unnecessarily (although fairly harmlessly). This patch updates the
options used in build-many-glibcs.py accordingly (although this might
end up not being needed depending on what happens regarding whether
gdbserver gets built for host != target).
Tested with a build-many-glibcs.py compilers build for
aarch64-linux-gnu using binutils-gdb master.
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This patch makes build-many-glibcs.py use binutils 2.34 branch.
Tested with build-many-glibcs.py (compilers and glibcs builds).
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This patch makes build-many-glibcs.py use Linux 5.5.
Tested with build-many-glibcs.py (compilers and glibcs builds).
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Wrap the bug list output at 72 chars to make it easy to paste into
emails.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The ChangeLog automation scripts were incorporated in gnulib as
vcs-to-changelog for a while now since other projects expressed the
desire to use and extend this script. In the interest of avoiding
duplication of code, drop the glibc version of gitlog-to-changelog and
use the gnulib one directly.
The only file that remains is vcstocl_quirks.py, which specifies
properties and quirks of the glibc project source code. This patch
also drops the shebang at the start of vcstocl_quirks.py since the
file is not intended to be directly executable.
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The parser cannot identify the __nonnull off the bat and confuses
__typeof in the change db25266c9 to be a function declaration.
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This patch updates build-many-glibcs.py for the move of GCC to git,
teaching it to do the initial checkout from git, to replace an SVN
checkout with a git one if --replace-sources is used, and to get the
commit identifier from a git checkout after updating it.
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Add another newline when the number of files differing is too large.
This is typical for across-the-board changes such as the copyright
year update that happened recently.
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Hurd uses an empty prefix, so the linker scripts end up in /lib, the
find command picked them up, and stripping them failed because they
are not ELF files.
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This command uses pre-built compilers to re-install the Linux headers
from the current sources into a temporary location and runs glibc's
“make update-syscalls-lists” against that. This updates the glibc
source tree with the current system call numbers.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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The new classes GlibcPolicyForCompiler and GlibcPolicyForBuild allow
customization of the Glibc.build_glibc method, replacing the existing
for_compiler flag.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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And move install_linux_headers to the top level.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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I've updated copyright dates in glibc for 2020. This is the patch for
the changes not generated by scripts/update-copyrights and subsequent
build / regeneration of generated files. As well as the usual annual
updates, mainly dates in --version output (minus libc.texinfo which
previously had to be handled manually but is now successfully updated
by update-copyrights), there is a fix to
sysdeps/unix/sysv/linux/powerpc/bits/termios-c_lflag.h where a typo in
the copyright notice meant it failed to be updated automatically.
Please remember to include 2020 in the dates for any new files added
in future (which means updating any existing uncommitted patches you
have that add new files to use the new copyright dates in them).
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They are not used during the subsequent glibc build, so creating them
merely wastes time.
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This patch enables building mips/r6 isa/little-endian/hard-float configuration in
o32, n32, and n64 variants.
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It also fixes the sparcv9-linux-gnu-disable-multi-arch configuration.
The resulting sparc possible build permutations are:
- sparc64-linux-gnu
- sparcv9-linux-gnu
- sparcv8-linux-gnu-leon3 (from extra_glibcs)
- sparc64-linux-gnu-disable-multi-arch (from extra_glibcs)
- sparcv9-linux-gnu-disable-multi-arch (from extra_glibcs)
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