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A couple of checks were missed by commit 962da900, so we would fail to
detect the features.
Reported-by: Юрий Соколов <y.sokolov@postgrespro.ru>
Discussion: https://postgr.es/m/42C25E2A-6519-4549-9F47-6B0686E83836%40postgrespro.ru
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The test for "decltype" as a variant of "typeof" apparently never
worked (see also commit 3582b223d49), so remove it.
Discussion: https://www.postgresql.org/message-id/flat/795b1c54-c64a-47f9-8fa3-880dcab59975%40eisentraut.org
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Without it, the check won't show up in the meson setup/configure
output.
Discussion: https://www.postgresql.org/message-id/flat/795b1c54-c64a-47f9-8fa3-880dcab59975%40eisentraut.org
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Backpatch-through: 13
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Redefine our exact width types with standard C99 types and macros,
including int64_t, INT64_MAX, INT64_C(), PRId64 etc. We were already
using <stdint.h> types in a few places.
One complication is that Windows' <inttypes.h> uses format strings like
"%I64d", "%I32", "%I" for PRI*64, PRI*32, PTR*PTR, instead of mapping to
other standardized format strings like "%lld" etc as seen on other known
systems. Teach our snprintf.c to understand them.
This removes a lot of configure clutter, and should also allow 64-bit
numbers and other standard types to be used in localized messages
without casting.
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/ME3P282MB3166F9D1F71F787929C0C7E7B6312%40ME3P282MB3166.AUSP282.PROD.OUTLOOK.COM
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Apparently, if you define _POSIX_C_SOURCE on Solaris,
that's interpreted as "you get ONLY what's defined by POSIX".
Results from BF member hake show that that breaks perl.h,
and doubtless it'd cause more problems if we got past that.
Adopt the suggestion from standards(7) that we also need to
define __EXTENSIONS__, in hopes of un-breaking things.
Discussion: https://postgr.es/m/1654508.1733162761@sss.pgh.pa.us
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This is an attempt to suppress some compiler warnings that appeared in
the wake of commit 7f798aca1: it seems that by default Solaris/illumos
declares shmdt() to take "char *" not "void *". We'd like the system
headers to provide modern POSIX APIs, and POSIX 2001 seems to be as
modern as is available there.
illumos' standards(7) man page suggests that we might also need to
define __EXTENSIONS__, but let's see what happens with just this.
Discussion: https://postgr.es/m/1654508.1733162761@sss.pgh.pa.us
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The C standard says that sizeof(bool) is implementation-defined, but we
know of no current systems where it is not 1. The last known systems
seem to have been Apple macOS/PowerPC 10.5 and Microsoft Visual C++ 4,
both long defunct.
PostgreSQL has always required sizeof(bool) == 1 for the definition of
bool that it used, but previously it would define its own type if the
system-provided bool had a different size. That was liable to cause
memory layout problems when interacting with system and third-party
libraries on (by now hypothetical) computers with wider _Bool, and now
C23 has introduced a new problem by making bool a built-in datatype
(like C++), so the fallback code doesn't even compile. We could
probably work around that, but then we'd be writing new untested code
for a computer that doesn't exist.
Instead, delete the unreachable and C23-uncompilable fallback code, and
let existing static assertions fail if the system-provided bool is too
wide. If we ever get a problem report from a real system, then it will
be time to figure out what to do about it in a way that also works on
modern compilers.
Note on C++: Previously we avoided including <stdbool.h> or trying to
define a new bool type in headers that might be included by C++ code.
These days we might as well just include <stdbool.h> unconditionally:
it should be visible to C++11 but do nothing, just as in C23. We
already include <stdint.h> without C++ guards in c.h, and that falls
under the same C99-compatibility section of the C++11 standard as
<stdbool.h>, so let's remove the guards here too.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/3198438.1731895163%40sss.pgh.pa.us
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Presently, we check for compiler support for the required
intrinsics both with and without the -msse4.2 compiler flag, and
then depending on the results of those checks, we pick which files
to compile with which flags. This is tedious and complicated, and
it results in unsustainable coding patterns such as separate files
for each portion of code that may need to be built with different
compiler flags.
This commit makes use of the newly-added support for
__attribute__((target(...))) in the SSE4.2 CRC-32C code. This
simplifies both the configure-time checks and the build scripts,
and it allows us to place the functions that use the intrinsics in
files that we otherwise do not want to build with special CPU
instructions (although this commit refrains from doing so). This
is also preparatory work for a proposed follow-up commit that will
further optimize the CRC-32C code with AVX-512 instructions.
While at it, this commit modifies meson's checks for SSE4.2 CRC
support to be the same as autoconf's. meson was choosing whether
to use a runtime check based purely on whether -msse4.2 is
required, while autoconf has long checked for the __SSE4_2__
preprocessor symbol to decide. meson's previous approach seems to
work just fine, but this change avoids needing to build multiple
test programs and to keep track of whether to actually use
pg_attribute_target().
Ideally we'd use __attribute__((target(...))) for ARMv8 CRC
support, too, but there's little point in doing so because until
clang 16, using the ARM intrinsics still requires special compiler
flags. Perhaps we can re-evaluate this decision after some time
has passed.
Author: Raghuveer Devulapalli
Discussion: https://postgr.es/m/PH8PR11MB8286BE735A463468415D46B5FB5C2%40PH8PR11MB8286.namprd11.prod.outlook.com
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All modern Windows systems have _configthreadlocale(). It was first
introduced in msvcr80.dll from Visual Studio 2005. Historically, MinGW
was stuck on even older msvcrt.dll, but added its own dummy
implementation of the function when using msvcrt.dll years ago anyway,
effectively rendering the configure test useless. In practice we don't
encounter the dummy anymore because modern MinGW uses ucrt.
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/CWZBBRR6YA8D.8EHMDRGLCKCD%40neon.tech
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Commit bc5a4dfc accidentally left a check for <stdbool.h> in
meson.build's header_checks. Synchronize with configure, which no
longer defines HAVE_STDBOOL_H.
There is still a reference to <stdbool.h> in an earlier test to see if
we need -std=c99 to get C99 features, like autoconf 2.69's
AC_PROG_CC_C99. (Therefore the test remove by this commit was
tautological since day one: you'd have copped "C compiler does not
support C99" before making it this far.)
Back-patch to 16, where meson begins.
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On ARM platforms where the baseline CPU target lacks CRC instructions,
we need to supply a -march flag to persuade the compiler to compile
such instructions. It turns out that our existing choice of
"-march=armv8-a+crc" has not worked for some time, because recent gcc
will interpret that as selecting software floating point, and then
will spit up if the platform requires hard-float ABI, as most do
nowadays. The end result was to silently fall back to software CRC,
which isn't very desirable since in practice almost all currently
produced ARM chips do have hardware CRC.
We can fix this by using "-march=armv8-a+crc+simd" to enable the
correct ABI choice. (This has no impact on the code actually
generated, since neither of the files we compile with this flag
does any floating-point stuff, let alone SIMD.) Keep the test for
"-march=armv8-a+crc" since that's required for soft-float ABI,
but try that second since most platforms we're likely to build on
use hard-float.
Since this isn't working as-intended on the last several years'
worth of gcc releases, back-patch to all supported branches.
Discussion: https://postgr.es/m/4496616.iHFcN1HehY@portable-bastien
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Previously we checked "for <stdbool.h> that conforms to C99" using
autoconf's AC_HEADER_STDBOOL macro. We've required C99 since PostgreSQL
12, so the test was redundant, and under C23 it was broken: autoconf
2.69's implementation doesn't understand C23's new empty header (the
macros it's looking for went away, replaced by language keywords).
Later autoconf versions fixed that, but let's just remove the
anachronistic test.
HAVE_STDBOOL_H and HAVE__BOOL will no longer be defined, but they
weren't directly tested in core or likely extensions (except in 11, see
below). PG_USE_STDBOOL (or USE_STDBOOL in 11 and 12) is still defined
when sizeof(bool) is 1, which should be true on all modern systems.
Otherwise we define our own bool type and values of size 1, which would
fail to compile under C23 as revealed by the broken test. (We'll
probably clean that dead code up in master, but here we want a minimal
back-patchable change.)
This came to our attention when GCC 15 recently started using using C23
by default and failed to compile the replacement code, as reported by
Sam James and build farm animal alligator.
Back-patch to all supported releases, and then two older versions that
also know about <stdbool.h>, per the recently-out-of-support policy[1].
12 requires C99 so it's much like the supported releases, but 11 only
assumes C89 so it now uses AC_CHECK_HEADERS instead of the overly picky
AC_HEADER_STDBOOL. (I could find no discussion of which historical
systems had <stdbool.h> but failed the conformance test; if they ever
existed, they surely aren't relevant to that policy's goals.)
[1] https://wiki.postgresql.org/wiki/Committing_checklist#Policies
Reported-by: Sam James <sam@gentoo.org>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org> (master version)
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> (approach)
Discussion: https://www.postgresql.org/message-id/flat/87o72eo9iu.fsf%40gentoo.org
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Previously we probed for CRC32 instructions by testing if they caused
SIGILL. Some have expressed doubts about that technique, the Linux
documentation advises not to use it, and it's not exactly beautiful.
Now that more operating systems expose CPU features to userspace via the
ELF loader in approximately the same way, let's use that instead.
This is expected to work on Linux, FreeBSD and recent OpenBSD.
OpenBSD/ARM has not been tested and is not present in our build farm,
but the API matches FreeBSD.
On macOS, compilers use a more recent baseline ISA so the runtime test
mechanism isn't reached. (A similar situation is expected for
Windows/ARM when that port lands.)
On NetBSD, runtime feature probing is lost for armv8-a builds. It looks
potentially doable with sysctl following the example of the cpuctl
program; patches are welcome.
No back-patch for now, since we don't have any evidence of actual
breakage from the previous technique.
Suggested-by: Bastien Roucariès <rouca@debian.org>
Discussion: https://postgr.es/m/4496616.iHFcN1HehY%40portable-bastien
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The commonly supported way to specify multiple target options is to
surround the entire list with quotes and to use a comma (with no
extra spaces) as the delimiter.
Oversight in commit f78667bd91.
Discussion: https://postgr.es/m/Zy0jya8nF8CPpv3B%40nathan
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Presently, we check for compiler support for the required
intrinsics both with and without extra compiler flags (e.g.,
-mxsave), and then depending on the results of those checks, we
pick which files to compile with which flags. This is tedious and
complicated, and it results in unsustainable coding patterns such
as separate files for each portion of code may need to be built
with different compiler flags.
This commit introduces support for __attribute__((target(...))) and
uses it for the AVX-512 code. This simplifies both the
configure-time checks and the build scripts, and it allows us to
place the functions that use the intrinsics in files that we
otherwise do not want to build with special CPU instructions. We
are careful to avoid using __attribute__((target(...))) on
compilers that do not understand it, but we still perform the
configure-time checks in case the compiler allows using the
intrinsics without it (e.g., MSVC).
A similar change could likely be made for some of the CRC-32C code,
but that is left as a future exercise.
Suggested-by: Andres Freund
Reviewed-by: Raghuveer Devulapalli, Andres Freund
Discussion: https://postgr.es/m/20240731205254.vfpap7uxwmebqeaf%40awork3.anarazel.de
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"meson test" used to ignore the PG_TEST_EXTRA environment variable,
which meant that in order to run additional tests, you had to run
"meson setup -DPG_TEST_EXTRA=...". That's somewhat expensive, and not
consistent with autoconf builds. Allow PG_TEST_EXTRA environment
variable to override the setup-time option at run time, so that you
can do "PG_TEST_EXTRA=... meson test".
To implement this, the configuration time value is passed as an extra
"--pg-test-extra" argument to testwrap instead of adding it to the
test environment. If the environment variable is set at the time of
running test, testwrap uses the value from the environment variable
and ignores the --pg-test-extra option.
Now that "meson test" obeys the environment variable, we can remove it
from the "meson setup" steps in the CI script. It will now be picked
up from the environment variable like with "make check".
Author: Nazir Bilal Yavuzk, Ashutosh Bapat
Reviewed-by: Ashutosh Bapat with inputs from Tom Lane and Andrew Dunstan
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Commit a70e01d4306fdbcd retired support for OpenSSL 1.0.2 in order to get
rid of the need for manual initialization of the library. This left our
API usage compatible with 1.1.0 which was defined as the minimum required
version. Also mention that 3.4 is the minimum version required when using
LibreSSL.
An upcoming commit will introduce support for configuring TLSv1.3 cipher
suites which require an API call in OpenSSL 1.1.1 and onwards. In order
to support this setting this commit will set v1.1.1 as the new minimum
required version. The version-specific call for randomness init added
in commit c3333dbc0c0 is removed as it's no longer needed.
Author: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/909A668B-06AD-47D1-B8EB-A164211AAD16@yesql.se
Discussion: https://postgr.es/m/tencent_063F89FA72CCF2E48A0DF5338841988E9809@qq.com
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Instead of XXX_IN_XLOCALE_H for several features XXX, let's just
include <xlocale.h> if HAVE_XLOCALE_H. The reason for the extra
complication was apparently that some old glibc systems also had an
<xlocale.h>, and you weren't supposed to include it directly, but it's
gone now (as far as I can tell it was harmless to do so anyway).
Author: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://postgr.es/m/CWZBBRR6YA8D.8EHMDRGLCKCD%40neon.tech
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Remove support for LLVM versions 10-13. The default on all non-EOL'd
OSes represented in our build farm will be at least LLVM 14 when
PostgreSQL 18 ships.
Author: Thomas Munro <thomas.munro@gmail.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Discussion: https://postgr.es/m/CA%2BhUKGLhNs5geZaVNj2EJ79Dx9W8fyWUU3HxcpZy55sMGcY%3DiA%40mail.gmail.com
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The current method of detecting perl build flags breaks if the path to
perl contains a space. This change makes two improvements. First,
instead of getting a list of ldflags and ccdlflags and then trying to
filter those out of the reported ldopts, we tell perl to suppress
reporting those in the first instance. Second, it tells perl to parse
those and output them, one per line. Thus any space on the option in a
file name, for example, is preserved.
Issue reported off-list by Muralikrishna Bandaru
Discussion: https://postgr.es/01117f88-f465-bf6c-9362-083bd72ca305@dunslane.net
Backpatch to release 16.
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Latest versions of Strawberry Perl define USE_THREAD_SAFE_LOCALE, and we
therefore get a handshake error when building against such instances.
The solution is to perform a test to see if USE_THREAD_SAFE_LOCALE is
defined and only define NO_THREAD_SAFE_LOCALE if it isn't.
Backpatch the meson.build fix back to release 16 and apply the same
logic to Mkvcbuild.pm in releases 12 through 16.
Original report of the issue from Muralikrishna Bandaru.
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OpenSSL 1.0.2 has been EOL from the upstream OpenSSL project for
some time, and is no longer the default OpenSSL version with any
vendor which package PostgreSQL. By retiring support for OpenSSL
1.0.2 we can remove a lot of no longer required complexity for
managing state within libcrypto which is now handled by OpenSSL.
Reviewed-by: Jacob Champion <jacob.champion@enterprisedb.com>
Reviewed-by: Peter Eisentraut <peter@eisentraut.org>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/ZG3JNursG69dz1lr@paquier.xyz
Discussion: https://postgr.es/m/CA+hUKGKh7QrYzu=8yWEUJvXtMVm_CNWH1L_TLWCbZMwbi1XP2Q@mail.gmail.com
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Use gmtime_r() and localtime_r() instead of gmtime() and localtime(),
for thread-safety.
There are a few affected calls in libpq and ecpg's libpgtypes, which
are probably effectively bugs, because those libraries already claim
to be thread-safe.
There is one affected call in the backend. Most of the backend
otherwise uses the custom functions pg_gmtime() and pg_localtime(),
which are implemented differently.
While we're here, change the call in the backend to gmtime*() instead
of localtime*(), since for that use time zone behavior is irrelevant,
and this side-steps any questions about when time zones are
initialized by localtime_r() vs localtime().
Portability: gmtime_r() and localtime_r() are in POSIX but are not
available on Windows. Windows has functions gmtime_s() and
localtime_s() that can fulfill the same purpose, so we add some small
wrappers around them. (Note that these *_s() functions are also
different from the *_s() functions in the bounds-checking extension of
C11. We are not using those here.)
On MinGW, you can get the POSIX-style *_r() functions by defining
_POSIX_C_SOURCE appropriately before including <time.h>. This leads
to a conflict at least in plpython because apparently _POSIX_C_SOURCE
gets defined in some header there, and then our replacement
definitions conflict with the system definitions. To avoid that sort
of thing, we now always define _POSIX_C_SOURCE on MinGW and use the
POSIX-style functions here.
Reviewed-by: Stepan Neretin <sncfmgg@gmail.com>
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reviewed-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/eba1dc75-298e-4c46-8869-48ba8aad7d70@eisentraut.org
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We don't need configure probes for HAVE_LANGINFO_H (it is implied by
!WIN32), and we don't need to consider systems that have it but don't
define CODESET (that was for OpenBSD in commit 81cca218, but it has now
had it for 19 years).
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://postgr.es/m/CA%2BhUKGJqVe0%2BPv9dvC9dSums_PXxGo9SWcxYAMBguWJUGbWz-A%40mail.gmail.com
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This allows the code to be used by other frontend applications.
Amul Sul, reviewed by Sravan Kumar, Andres Freund (whose input
I specifically solicited regarding the meson.build changes),
and me.
Discussion: http://postgr.es/m/CAAJ_b94StvLWrc_p4q-f7n3OPfr6GhL8_XuAg2aAaYZp1tF-nw@mail.gmail.com
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This warning flag detects global variables not declared in header
files. This is similar to what -Wmissing-prototypes does for
functions. (More correctly, it is similar to what
-Wmissing-declarations does for functions, but -Wmissing-prototypes is
a superset of that in C.)
This flag is new in GCC 14. Clang has supported it for a while.
Several recent commits have cleaned up warnings triggered by this, so
it should now be clean.
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/e0a62134-83da-4ba4-8cdb-ceb0111c95ce@eisentraut.org
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Modern versions of all relevant architectures and tool chains have
atomics support. Since edadeb07, there is no remaining reason to carry
code that simulates atomic flags and uint32 imperfectly with spinlocks.
64 bit atomics are still emulated with spinlocks, if needed, for now.
Any modern compiler capable of implementing C11 <stdatomic.h> must have
the underlying operations we need, though we don't require C11 yet. We
detect certain compilers and architectures, so hypothetical new systems
might need adjustments here.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> (concept, not the patch)
Reviewed-by: Andres Freund <andres@anarazel.de> (concept, not the patch)
Discussion: https://postgr.es/m/3351991.1697728588%40sss.pgh.pa.us
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A later change will require atomic support, so it wouldn't make sense
for a hypothetical new system not to be able to implement spinlocks.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> (concept, not the patch)
Reviewed-by: Andres Freund <andres@anarazel.de> (concept, not the patch)
Discussion: https://postgr.es/m/3351991.1697728588%40sss.pgh.pa.us
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To build with -Dreadline=enabled one can use either readline or
libedit. The -Dlibedit_preferred flag is supposed to control the order
of names to lookup. This works fine when either both libraries are
present or -Dreadline is set to auto. However, explicitly enabling
readline with only libedit present, but not setting libedit_preferred,
or alternatively enabling readline with only readline present, but
setting libedit_preferred, too, are both broken. This is because
cc.find_library will throw an error for a not found dependency as soon
as the first required dependency is checked, thus it's impossible to
fallback to the alternative.
Here we only check the second of the two dependencies for
requiredness, thus we only fail when none of the two can be found.
Author: Wolfgang Walther
Reviewed-by: Nazir Bilal Yavuz, Alvaro Herrera, Peter Eisentraut
Reviewed-by: Tristan Partin
Discussion: https://www.postgresql.org/message-id/ca8f37e1-a2c3-40e2-91f6-59c3d3652ad4@technowledgy.de
Backpatch: 16-, where meson support was added
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Passing an absolute bindir/libdir will install the binaries and
libraries to <build>/tmp_install/<bindir> and
<build>/tmp_install/<libdir> respectively.
This path is correctly passed to the regression test suite via
configure/make, but not via meson, yet. This is because the "/"
operator in the following expression throws away the whole left side
when the right side is an absolute path:
test_install_location / get_option('libdir')
This was already correctly handled for dir_prefix, which is likely
absolute as well. This patch handles both bindir and libdir in the
same way - prefixing absolute paths with the tmp_install path
correctly.
Author: Wolfgang Walther
Reviewed-by: Nazir Bilal Yavuz, Alvaro Herrera, Peter Eisentraut
Reviewed-by: Tristan Partin
Discussion: https://www.postgresql.org/message-id/ca8f37e1-a2c3-40e2-91f6-59c3d3652ad4@technowledgy.de
Backpatch: 16-, where meson support was added
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Some distributions put clang into a different path than the llvm
binary path.
For example, this is the case on NixOS / nixpkgs, which failed to find
clang with meson before this patch.
Author: Wolfgang Walther
Reviewed-by: Nazir Bilal Yavuz, Alvaro Herrera, Peter Eisentraut
Reviewed-by: Tristan Partin
Discussion: https://www.postgresql.org/message-id/ca8f37e1-a2c3-40e2-91f6-59c3d3652ad4@technowledgy.de
Backpatch: 16-, where meson support was added
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The upstream name for the ossp-uuid package / pkg-config file is
"uuid". Many distributions change this to be "ossp-uuid" to not
conflict with e2fsprogs.
This lookup fails on distributions which don't change this name, for
example NixOS / nixpkgs. Both "ossp-uuid" and "uuid" are also checked
in configure.ac.
Author: Wolfgang Walther
Reviewed-by: Nazir Bilal Yavuz, Alvaro Herrera, Peter Eisentraut
Reviewed-by: Tristan Partin
Discussion: https://www.postgresql.org/message-id/ca8f37e1-a2c3-40e2-91f6-59c3d3652ad4@technowledgy.de
Backpatch: 16-, where meson support was added
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OpenSSL supports two types of session tickets for TLSv1.3, stateless
and stateful. The option we've used only turns off stateless tickets
leaving stateful tickets active. Use the new API introduced in 1.1.1
to disable all types of tickets.
Backpatch to all supported versions.
Reviewed-by: Heikki Linnakangas <hlinnaka@iki.fi>
Reported-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/20240617173803.6alnafnxpiqvlh3g@awork3.anarazel.de
Backpatch-through: v12
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from OpenBSD, similar to strlcat, strlcpy
There are currently no uses, but some will be added soon.
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: David Steele <david@pgmasters.net>
Discussion: https://www.postgresql.org/message-id/flat/79692bf9-17d3-41e6-b9c9-fc8c3944222a@eisentraut.org
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Particularly on windows it's useful to look up dependencies via cmake, instead
of pkg-config. Meson supports doing so. Unfortunately the dependency names
used by various projects often differs between their pkg-config and cmake
files.
This would look a lot neater if we could rely on meson >= 0.60.0...
Reviewed-by: Tristan Partin <tristan@partin.io>
Discussion: https://postgr.es/m/20240709065101.xhc74r3mdg2lmn4w@awork3.anarazel.de
Backpatch: 16-, where meson support was added
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This is necessary as ossp-uuid on windows installs neither a pkg-config nor a
cmake dependency information. Nor is there another supported uuid
implementation available on windows.
Reported-by: Dave Page <dpage@pgadmin.org>
Reviewed-by: Tristan Partin <tristan@partin.io>
Discussion: https://postgr.es/m/20240709065101.xhc74r3mdg2lmn4w@awork3.anarazel.de
Backpatch: 16-, where meson support was added
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This is required as MIT Kerberos does provide neither pkg-config nor cmake
dependency information on windows.
Reported-by: Dave Page <dpage@pgadmin.org>
Reviewed-by: Tristan Partin <tristan@partin.io>
Discussion: https://postgr.es/m/20240709065101.xhc74r3mdg2lmn4w@awork3.anarazel.de
Backpatch: 16-, where meson support was added
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These were missing since the initial introduction of the meson based build, in
e6927270cd18. As-is this is unlikely to cause an issue, but a future commit
will add support for detecting gssapi without use of dependency(), which could
fail due to this.
Discussion: https://postgr.es/m/20240708225659.gmyqoosi7km6ysgn@awork3.anarazel.de
Backpatch: 16-, where the meson based build was added
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Let the hacking begin ...
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This changes the import library name from 'postgres.exe.lib' to
'postgres.lib', which is what it was with the old MSVC build system.
Extension builds use that name.
Bug: #18513
Reported-by: Muralikrishna Bandaru <muralikrishna.bandaru@enterprisedb.com>
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Required for Cygwin.
Backpatch to release 16.
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Meson uses warning/debug/optimize flags such as "-Wall", "-g", and
"-O2" automatically based on "--warnlevel" and "--buildtype" options.
And we use "--warning_level=1" and "--buildtype=debugoptimized" by
default.
But we need these flags for Makefile.global (for extensions) and
pg_config, so we need to compute them manually based on the
higher-level options.
Without this change, extensions building using pgxs wouldn't get -Wall
or optimization options.
Author: Sutou Kouhei <kou@clear-code.com>
Discussion: https://www.postgresql.org/message-id/flat/20240122.141139.931086145628347157.kou%40clear-code.com
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The OSSP uuid.h file includes unistd.h, so to use it with MSVC we need to
include the postgres include directories so it picks up our version of
that in src/include/port/win32_msvc. Adjust the meson test accordingly.
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Commit 619bc23a1 changed "make dist" to invoke "git archive",
but hard-wired the call to specify that the HEAD revision should
be packaged. Our tarball building process needs to be able to
specify which git commit to package (notably, for packaging
back branches). While we could make that work with some hackery
to operate in detached-HEAD state, it's a lot nicer just to expose
git archive's ability to specify what to package. Hence, invent
a new make variable PG_GIT_REVISION. This is undocumented, but
so is "make dist".
Also make corresponding changes in the meson scripts. We have no
near-term intention of using that for package building, but it
will likely happen eventually, so stay prepared.
Discussion: https://postgr.es/m/3552543.1713909947@sss.pgh.pa.us
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The checks for
HAVE_DECL_LLVMCREATEGDBREGISTRATIONLISTENER and
HAVE_DECL_LLVMCREATEPERFJITEVENTLISTENER
are in configure but are missing on the meson side. This adds those.
Reported-by: Heikki Linnakangas <hlinnaka@iki.fi>
Discussion: https://www.postgresql.org/message-id/5539b16c-cff7-46d5-9621-c3fb6b549e9e@iki.fi
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The test for pstat was removed from configure by 9db300ce6e3 but not
from meson.build. Do that now.
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Presently, pg_popcount() processes data in 32-bit or 64-bit chunks
when possible. Newer hardware that supports AVX-512 instructions
can use 512-bit chunks, which provides a nice speedup, especially
for larger buffers. This commit introduces the infrastructure
required to detect compiler and CPU support for the required
AVX-512 intrinsic functions, and it adds a new pg_popcount()
implementation that uses these functions. If CPU support for this
optimized implementation is detected at runtime, a function pointer
is updated so that it is used by subsequent calls to pg_popcount().
Most of the existing in-tree calls to pg_popcount() should benefit
from these instructions, and calls with smaller buffers should at
least not regress compared to v16. The new infrastructure
introduced by this commit can also be used to optimize
visibilitymap_count(), but that is left for a follow-up commit.
Co-authored-by: Paul Amonson, Ants Aasma
Reviewed-by: Matthias van de Meent, Tom Lane, Noah Misch, Akash Shankaran, Alvaro Herrera, Andres Freund, David Rowley
Discussion: https://postgr.es/m/BL1PR11MB5304097DF7EA81D04C33F3D1DCA6A%40BL1PR11MB5304.namprd11.prod.outlook.com
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