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They are mostly the same, and it is tedious to maintain two copies of
essentially the same exclude list. headerscheck now has a new option
--cplusplus to select the cpluspluscheck functionality. The top-level
make targets are still the same.
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://www.postgresql.org/message-id/flat/4754a5b0-a32b-4036-a99a-6de14cf9fd72@eisentraut.org
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There isn't a lot of user demand for AIX support, we have a bunch of
hacks to work around AIX-specific compiler bugs and idiosyncrasies,
and no one has stepped up to the plate to properly maintain it.
Remove support for AIX to get rid of that maintenance overhead. It's
still supported for stable versions.
The acute issue that triggered this decision was that after commit
8af2565248, the AIX buildfarm members have been hitting this
assertion:
TRAP: failed Assert("(uintptr_t) buffer == TYPEALIGN(PG_IO_ALIGN_SIZE, buffer)"), File: "md.c", Line: 472, PID: 2949728
Apperently the "pg_attribute_aligned(a)" attribute doesn't work on AIX
for values larger than PG_IO_ALIGN_SIZE, for a static const variable.
That could be worked around, but we decided to just drop the AIX support
instead.
Discussion: https://www.postgresql.org/message-id/20240224172345.32@rfd.leadboat.com
Reviewed-by: Andres Freund, Noah Misch, Thomas Munro
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Add a new genbki macros MAKE_SYSCACHE that specifies the syscache ID
macro, the underlying index, and the number of buckets. From that, we
can generate the existing tables in syscache.h and syscache.c via
genbki.pl.
Reviewed-by: John Naylor <johncnaylorls@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/75ae5875-3abc-dafc-8aec-73247ed41cde@eisentraut.org
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Reported-by: Michael Paquier
Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz
Backpatch-through: 12
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Allow pg_dump to use the zstd compression, in addition to gzip/lz4. Bulk
of the new compression method is implemented in compress_zstd.{c,h},
covering the pg_dump compression APIs. The rest of the patch adds test
and makes various places aware of the new compression method.
The zstd library (which this patch relies on) supports multithreaded
compression since version 1.5. We however disallow that feature for now,
as it might interfere with parallel backups on platforms that rely on
threads (e.g. Windows). This can be improved / relaxed in the future.
This also fixes a minor issue in InitDiscoverCompressFileHandle(), which
was not updated to check if the file already has the .lz4 extension.
Adding zstd compression was originally proposed in 2020 (see the second
thread), but then was reworked to use the new compression API introduced
in e9960732a9. I've considered both threads when compiling the list of
reviewers.
Author: Justin Pryzby
Reviewed-by: Tomas Vondra, Jacob Champion, Andreas Karlsson
Discussion: https://postgr.es/m/20230224191840.GD1653@telsasoft.com
Discussion: https://postgr.es/m/20201221194924.GI30237@telsasoft.com
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We allow our header files to depend on the appropriate one of
postgres.h, postgres_fe.h, or c.h having already been included.
However, there are a few headers such as libpq-fe.h that are
meant to be used by client applications and therefore must
compile without any assumptions about previous inclusions.
These test scripts failed to consider that, which seems quite
hazardous since we might not immediately notice such a problem
otherwise. Hence, adjust these scripts to test relevant libpq
and ecpg headers with no prior inclusion.
While at it, we can also make an effort to actually use the
relevant one of postgres.h, postgres_fe.h, or c.h. I added
some rules that guess which one to use based on the first-level
src subdirectory, e.g. use postgres_fe.h under src/bin/.
These rules are hardly water-tight but they seem to work today,
and we can always refine them in the future.
These changes don't reveal any live problems today, which is good,
but they should make these scripts more able to catch future bugs.
Discussion: https://postgr.es/m/2488193.1677863247@sss.pgh.pa.us
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Expand pg_dump's compression streaming and file APIs to support the lz4
algorithm. The newly added compress_lz4.{c,h} files cover all the
functionality of the aforementioned APIs. Minor changes were necessary
in various pg_backup_* files, where code for the 'lz4' file suffix has
been added, as well as pg_dump's compression option parsing.
Author: Georgios Kokolatos
Reviewed-by: Michael Paquier, Rachel Heaton, Justin Pryzby, Shi Yu, Tomas Vondra
Discussion: https://postgr.es/m/faUNEOpts9vunEaLnmxmG-DldLSg_ql137OC3JYDmgrOMHm1RvvWY2IdBkv_CRxm5spCCb_OmKNk2T03TMm0fBEWveFF9wA1WizPuAgB7Ss%3D%40protonmail.com
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Switch pg_dump to use the Compression API, implemented by bf9aa490db.
The CompressFileHandle replaces the cfp* family of functions with a
struct of callbacks for accessing (compressed) files. This allows adding
new compression methods simply by introducing a new struct instance with
appropriate implementation of the callbacks.
Archives compressed using custom compression methods store an identifier
of the compression algorithm in their header instead of the compression
level. The header version is bumped.
Author: Georgios Kokolatos
Reviewed-by: Michael Paquier, Rachel Heaton, Justin Pryzby, Tomas Vondra
Discussion: https://postgr.es/m/faUNEOpts9vunEaLnmxmG-DldLSg_ql137OC3JYDmgrOMHm1RvvWY2IdBkv_CRxm5spCCb_OmKNk2T03TMm0fBEWveFF9wA1WizPuAgB7Ss%3D%40protonmail.com
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Backpatch-through: 11
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The original `trap` lines in these scripts are incomplete: in case of
any signal, they delete the working directory but let the script run to
completion, which is useless because it will only proceed to complain
about the working directory being removed. Add `exit` there, with the
original exit value (not rm's).
Since this is mostly just cosmetic, no backpatch.
Discussion: https://postgr.es/m/20220913181002.hzsosy7qkemb7ky7@alvherre.pgsql
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Add include directory in a similar fashion as 829906fb6c.
Per buildfarm animal crake
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This header is semi-private, being used only in files related to
raw parsing, so move to the backend directory where those files
live. This allows removal of Makefile rules that symlink gram.h to
src/include/parser, since gramparse.h can now include gram.h from
within the same directory. This has the side-effect of no longer
installing gram.h and gramparse.h, but there doesn't seem to be a
good reason to continue doing so.
Per suggestion from Andres Freund and Peter Eisentraut
Discussion: https://www.postgresql.org/message-id/20220904181759.px6uosll6zbxcum5%40awork3.anarazel.de
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Per buildfarm animal crake
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Same solution as 829906fb6.
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dac048f71 added exceptions to headerscheck but failed to do the
same for cpluspluscheck
Per report from Andres Freund regarding CI
Discussion:https://www.postgresql.org/message-id/20220904205743.y3ntq6ij3aibmxvy%40awork3.anarazel.de
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For the benefit of CI, which started running these header check scripts
in its CompilerWarnings task in commit 81b9f23c9c8, they should report
failure if any individual header failed to compile.
Reviewed-by: Andrew Dunstan <andrew@dunslane.net>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA%2BhUKGKtDwPo9wzKgbStDwfOhEpywMc6PQofio8fAHR7yUjgxw%40mail.gmail.com
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Commit 5579388d added src/include/port/win32/netdb.h but forgot to
filter it out in the header checking scripts. Per build farm animal
crake.
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<sys/resource.h> is in SUSv2 and is on all targeted Unix systems. We
have a replacement for getrusage() on Windows, so let's just move its
declarations into src/include/port/win32/sys/resource.h so that we can
use a standard-looking #include. Also remove an obsolete reference to
CLK_TCK. Also rename src/port/getrusage.c to win32getrusage.c,
following the convention for Windows-only fallback code.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CA%2BhUKG%2BL_3brvh%3D8e0BW_VfX9h7MtwgN%3DnFHP5o7X2oZucY9dg%40mail.gmail.com
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Since this file contains just a fragment of an enum declaration,
it can't be compiled on its own.
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This CPU architecture has been discontinued. We already removed HP-UX
support, we never supported Windows/Itanium, and the open source
operating systems that a vintage hardware owner might hope to run have
all either ended Itanium support or never fully released support (NetBSD
may eventually). The extra code we carry for this rare ISA is now
untested. It seems like a good time to remove it.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/1415825.1656893299%40sss.pgh.pa.us
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HP-UX hardware is no longer produced, build farm coverage recently
ended, and there are no known active maintainers targeting this OS.
Since there is a major rewrite of the build system in the pipeline for
PostgreSQL 16, and that requires development, testing and maintainance
for each OS and tool chain, it seems like a good time to drop support
for:
* HP-UX, the operating system.
* HP aCC, the HP-UX native compiler.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Discussion: https://postgr.es/m/1415825.1656893299%40sss.pgh.pa.us
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Oversight in commit e2f0f8ed. Also add this file to the exclusion lists
in headerscheck and cpluscpluscheck, because Unix systems don't have a
header it includes.
Reported-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/2760528.1641929756%40sss.pgh.pa.us
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Backpatch-through: 10
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unicode_east_asian_fw_table.h should not be compiled standalone, similarly
to unicode_combining_table.h, but cpluspluscheck did not get the memo.
Oversight in bab982161.
Per report from Tom Lane
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Backpatch-through: 9.5
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headerscheck and cpluspluscheck should skip the recently-added
cmdtaglist.h header, since (like kwlist.h and some other similarly-
designed headers) it's not meant to be included standalone.
evtcache.h was missing an #include to support its usage of Bitmapset.
typecmds.h was missing an #include to support its usage of ParseState.
The first two of these were evidently oversights in commit 2f9661311.
I didn't track down exactly which change broke typecmds.h, but it
must have been some rearrangement in one of its existing inclusions,
because it's referenced ParseState for quite a long time and there
were not complaints from these checking programs before.
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Since commit 481c8e923 it tends to produce "error: sys/utime.h: No such
file or directory" on non-Windows platforms.
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src/include/common/unicode_combining_table.h is currently not meant to
be included standalone. Things could be refactored to allow it, but
that would be beyond the present purpose. So adding an exclusion here
seems best.
Discussion: https://www.postgresql.org/message-id/10754.1579535012@sss.pgh.pa.us
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Backpatch-through: update all files in master, backpatch legal files through 9.4
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This is more like how we handle s_lock.h and arch-x86.h.
Reviewed by Tom Lane.
Discussion: https://postgr.es/m/20191005173400.GA3979129@rfd.leadboat.com
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We already had "cpluspluscheck", which served the dual purposes of
verifying that headers compile standalone and that they compile as C++.
However, C++ compilers don't have the exact same set of error conditions
as C compilers, so this doesn't really prove that a header will compile
standalone as C.
Hence, add a second script that's largely similar but runs the C
compiler not C++.
Also add a bit more documentation than the none-at-all we had before.
Discussion: https://postgr.es/m/14803.1566175851@sss.pgh.pa.us
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Teach it to scrape -I and -D switches from CPPFLAGS in Makefile.global.
This is useful for testing on, eg, FreeBSD, where you won't get far
without "-I/usr/local/include".
Also, expand the set of blacklisted-for-unportability atomics headers,
based on noting that arch-x86.h fails to compile on an ARM box. The
other ones I'd omitted seem to compile all right on architectures they
don't belong to, but that's surely too shaky to rely on. Let's do
like we did for the src/include/port/ headers, and ignore all except
the variant that's pulled in by the arch-independent header.
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Declaring a function "inline" still doesn't work with Windows compilers
(C99? what's that?), unless the macro provided by pg_config.h is
in-scope, which it is not in our ECPG test programs. So the workaround
I tried to use in commit 7640f9312 doesn't work for Windows. Revert
the change in printf_hack.h, and instead just blacklist that file
in cpluspluscheck --- since it's a not-installed test file, we don't
really need to verify its C++ cleanliness anyway.
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Formerly, cpluspluscheck was only meant to examine headers that
we thought of as exported --- but its notion of what we export
was well behind the times. Let's just make it check *all* .h
files, except for a well-defined blacklist, instead.
While at it, improve its ability to use a C++ compiler other than g++,
by scraping the CXX setting from Makefile.global and making it possible
to override the warning options used (per suggestion from Andres Freund).
Discussion: https://postgr.es/m/b517ec3918d645eb950505eac8dd434e@gaz-is.ru
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Previously cpluspluscheck wouldn't work in vpath builds, this commit
fixes that. To make it easier to invoke, there's a top-level
cpluspluscheck target.
Discussion: https://postgr.es/20190530220244.kiputcbl4gkl2oo6@alap3.anarazel.de
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Some things in src/include/fe_utils require libpq headers, so add
libpq's include path to the command line used here.
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They can include sys/sdt.h from SystemTap, which itself contains C++
code and so won't compile with a C++ compiler under extern "C" linkage.
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It is not meant to be included standalone.
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Error exposed by recent Assert changes.
Complaint from Peter Eisentraut.
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No longer needed now that bitand() and bitor() have been renamed.
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This is slower than the original coding but avoids the problem of
including files in an unpredictable order. Aside from being more
trustworthy, we can get rid of some exclusions that were formerly
made for what turn out to be ordering or re-inclusion problems.
I also modified it to include libpq's exported files in the check.
ecpg should be included as well, but I'm unclear on which ecpg .h
files are meant to be included by clients.
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gram.h has ordering dependencies, which are satisfied when it's included
from gramparse.h, but might not be if it's pulled in directly.
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This alters various incidental uses of C++ key words to use other similar
identifiers, so that a C++ compiler won't choke outright. You still
(probably) need extern "C" { }; around the inclusion of backend headers.
based on a patch by Kurt Harriman <harriman@acm.org>
Also add a script cpluspluscheck to check for C++ compatibility in the
future. As of right now, this passes without error for me.
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