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This commit implements OAUTHBEARER, RFC 7628, and OAuth 2.0 Device
Authorization Grants, RFC 8628. In order to use this there is a
new pg_hba auth method called oauth. When speaking to a OAuth-
enabled server, it looks a bit like this:
$ psql 'host=example.org oauth_issuer=... oauth_client_id=...'
Visit https://oauth.example.org/login and enter the code: FPQ2-M4BG
Device authorization is currently the only supported flow so the
OAuth issuer must support that in order for users to authenticate.
Third-party clients may however extend this and provide their own
flows. The built-in device authorization flow is currently not
supported on Windows.
In order for validation to happen server side a new framework for
plugging in OAuth validation modules is added. As validation is
implementation specific, with no default specified in the standard,
PostgreSQL does not ship with one built-in. Each pg_hba entry can
specify a specific validator or be left blank for the validator
installed as default.
This adds a requirement on libcurl for the client side support,
which is optional to build, but the server side has no additional
build requirements. In order to run the tests, Python is required
as this adds a https server written in Python. Tests are gated
behind PG_TEST_EXTRA as they open ports.
This patch has been a multi-year project with many contributors
involved with reviews and in-depth discussions: Michael Paquier,
Heikki Linnakangas, Zhihong Yu, Mahendrakar Srinivasarao, Andrey
Chudnovsky and Stephen Frost to name a few. While Jacob Champion
is the main author there have been some levels of hacking by others.
Daniel Gustafsson contributed the validation module and various bits
and pieces; Thomas Munro wrote the client side support for kqueue.
Author: Jacob Champion <[email protected]>
Co-authored-by: Daniel Gustafsson <[email protected]>
Co-authored-by: Thomas Munro <[email protected]>
Reviewed-by: Daniel Gustafsson <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Reviewed-by: Antonin Houska <[email protected]>
Reviewed-by: Kashif Zeeshan <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Backpatch-through: 13
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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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Commit 99b937a44f introduced this warning when you run "meson setup":
Configuring Makefile.global using configuration
../src/meson.build:31: WARNING: The variable(s) 'PG_TEST_EXTRA' in the input file 'src/Makefile.global.in' are not present in the given configuration data.
To fix, add PG_TEST_EXTRA to the list of variables that are not needed
in the makefiles generated by meson. In meson builds, the makefiles
are only used for PGXS, not for building or testing the server itself.
Reported-by: Peter Eisentraut
Discussion: https://www.postgresql.org/message-id/[email protected]
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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 <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/[email protected]
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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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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/[email protected]
Reviewed-by: Andres Freund, Noah Misch, Thomas Munro
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Injection points are a new facility that makes possible for developers
to run custom code in pre-defined code paths. Its goal is to provide
ways to design and run advanced tests, for cases like:
- Race conditions, where processes need to do actions in a controlled
ordered manner.
- Forcing a state, like an ERROR, FATAL or even PANIC for OOM, to force
recovery, etc.
- Arbitrary sleeps.
This implements some basics, and there are plans to extend it more in
the future depending on what's required. Hence, this commit adds a set
of routines in the backend that allows developers to attach, detach and
run injection points:
- A code path calling an injection point can be declared with the macro
INJECTION_POINT(name).
- InjectionPointAttach() and InjectionPointDetach() to respectively
attach and detach a callback to/from an injection point. An injection
point name is registered in a shmem hash table with a library name and a
function name, which will be used to load the callback attached to an
injection point when its code path is run.
Injection point names are just strings, so as an injection point can be
declared and run by out-of-core extensions and modules, with callbacks
defined in external libraries.
This facility is hidden behind a dedicated switch for ./configure and
meson, disabled by default.
Note that backends use a local cache to store callbacks already loaded,
cleaning up their cache if a callback has found to be removed on a
best-effort basis. This could be refined further but any tests but what
we have here was fine with the tests I've written while implementing
these backend APIs.
Author: Michael Paquier, with doc suggestions from Ashutosh Bapat.
Reviewed-by: Ashutosh Bapat, Nathan Bossart, Álvaro Herrera, Dilip
Kumar, Amul Sul, Nazir Bilal Yavuz
Discussion: https://postgr.es/m/[email protected]
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Reported-by: Michael Paquier
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 12
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A PostgreSQL release tarball contains a number of prebuilt files, in
particular files produced by bison, flex, perl, and well as html and
man documentation. We have done this consistent with established
practice at the time to not require these tools for building from a
tarball. Some of these tools were hard to get, or get the right
version of, from time to time, and shipping the prebuilt output was a
convenience to users.
Now this has at least two problems:
One, we have to make the build system(s) work in two modes: Building
from a git checkout and building from a tarball. This is pretty
complicated, but it works so far for autoconf/make. It does not
currently work for meson; you can currently only build with meson from
a git checkout. Making meson builds work from a tarball seems very
difficult or impossible. One particular problem is that since meson
requires a separate build directory, we cannot make the build update
files like gram.h in the source tree. So if you were to build from a
tarball and update gram.y, you will have a gram.h in the source tree
and one in the build tree, but the way things work is that the
compiler will always use the one in the source tree. So you cannot,
for example, make any gram.y changes when building from a tarball.
This seems impossible to fix in a non-horrible way.
Second, there is increased interest nowadays in precisely tracking the
origin of software. We can reasonably track contributions into the
git tree, and users can reasonably track the path from a tarball to
packages and downloads and installs. But what happens between the git
tree and the tarball is obscure and in some cases non-reproducible.
The solution for both of these issues is to get rid of the step that
adds prebuilt files to the tarball. The tarball now only contains
what is in the git tree (*). Getting the additional build
dependencies is no longer a problem nowadays, and the complications to
keep these dual build modes working are significant. And of course we
want to get the meson build system working universally.
This commit removes the make distprep target altogether. The make
dist target continues to do its job, it just doesn't call distprep
anymore.
(*) - The tarball also contains the INSTALL file that is built at make
dist time, but not by distprep. This is unchanged for now.
The make maintainer-clean target, whose job it is to remove the
prebuilt files in addition to what make distclean does, is now just an
alias to make distprep. (In practice, it is probably obsolete given
that git clean is available.)
The following programs are now hard build requirements in configure
(they were already required by meson.build):
- bison
- flex
- perl
Reviewed-by: Michael Paquier <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/[email protected]
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All supported computers have either POSIX or Windows threads, and we no
longer have any automated testing of --disable-thread-safety. We define
a vestigial ENABLE_THREAD_SAFETY macro to 1 in ecpg_config.h in case it
is useful, but we no longer test it anywhere in PostgreSQL code, and
associated dead code paths are removed.
The Meson and perl-based Windows build scripts never had an equivalent
build option.
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Reviewed-by: Heikki Linnakangas <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKGLtmexrpMtxBRLCVePqV_dtWG-ZsEbyPrYc%2BNBB2TkNsw%40mail.gmail.com
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We've long used "--strip-unneeded" for shared libraries but plain
"-x" for static libraries when stripping symbols with GNU strip.
There doesn't seem to be any really good reason for that though,
since --strip-unneeded produces smaller output (as "-x" alone
does not remove debug symbols). Moreover it seems that
llvm-strip, although it identifies as GNU strip, misbehaves when
given "-x" for this purpose. It's unclear whether that's
intentional or a bug in llvm-strip, but in any case it seems like
changing to use --strip-unneeded in all cases should be a win.
Note that this doesn't change our behavior when dealing with
non-GNU strip.
Per gripes from Ed Maste and Palle Girgensohn. Back-patch,
in case anyone wants to use llvm-strip with stable branches.
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
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The 'ssl' option is of type 'combo', but we add a choice 'auto' that
simulates the behavior of a feature option. This way, openssl is used
automatically by default if present, but we retain the ability to
potentially select another ssl library.
Author: Nazir Bilal Yavuz <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/ad65ffd1-a9a7-fda1-59c6-f7dc763c3051%40enterprisedb.com
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Discussion: https://www.postgresql.org/message-id/flat/33e957e6-4b4e-b0ed-1cc1-6335a24543ff%40enterprisedb.com
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Backpatch-through: 11
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Discussion: https://postgr.es/m/[email protected]
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Generate a Makefile.global that's complete enough for PGXS to work for some
extensions. It is likely that this compatibility layer will not suffice for
every extension and not all platforms - we can expand it over time.
This allows extensions to use a single buildsystem across all the supported
postgres versions. Once all supported PG versions support meson, we can remove
the compatibility layer.
Reviewed-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Previously export_dynamic was set in src/makefiles/Makefile.$port. For solaris
this required exporting with_gnu_ld. The determination of with_gnu_ld would be
nontrivial to copy for meson PGXS compatibility. It's also nice to delete
libtool.m4.
This uses -Wl,--export-dynamic on all platforms, previously all platforms but
FreeBSD used -Wl,-E. The likelihood of a name conflict seems lower with the
longer spelling.
Discussion: https://postgr.es/m/[email protected]
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This way we don't need RANLIB anymore, making it a bit simpler for the meson
build to generate Makefile.global for PGXS compatibility.
FreeBSD, NetBSD, OpenBSD, the only platforms where we didn't use AROPT=crs,
all have supported the 's' option for a long time.
On macOS we ran ranlib after installing a static library. This was added a
long time ago, in 58ad65ec2def. I cannot reproduce an issue in more recent
macOS versions. This is removed now.
Based on discussion with Tom, I left the 'touch' at the end of static
libraries generation, added in 826eff57c4c, in place. While it looks like
current versions of Apple's ar/ranlib don't need it, it was needed not too
long ago.
Reviewed-by: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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This may have served a purpose at some point, but these days it just
contributes to a non-reproducible build.
Reviewed-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/[email protected]
Discussion: https://postgr.es/m/[email protected]
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When building a shared library with exports.txt there's no need to build an
intermediary static library, we can just pass -Wl,-bE:... when generating the
.so.
When building a shared library without exports.txt, there's no need to call
mkldexport.sh to export all symbols, because all symbols are exported anyway,
and we don't need the export file on the import side (like we do for
postgres.imp).
This makes building .so's on aix a lot more similar to building on other
platforms. In particular, we don't create and remove a .a of the same name but
different contents anymore.
Discussion: https://postgr.es/m/[email protected]
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Not passing -shared to gcc when building a shared library triggers linking to
the wrong libgcc (libgcc.a instead of libgcc_s.a) and prevents emitting
correct unwind information. It's somewhat surprising that this hasn't caused
known problems so far.
Doing so requires adding path to libgcc to libpath, or linking statically to
libgcc - as the latter increases .so size substantially (for not entirely
obvious reasons), shared linking seems preferrable. It likely is worth
building executables with -shared-libgcc too, but I've not done that here.
Discussion: https://postgr.es/m/[email protected]
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Unfortunately one with_gnu_ld reference remains, otherwise we could remove the
configure support for determining with_gnu_ld.
Reviewed-By: Thomas Munro <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Reviewed-By: Thomas Munro <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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Until now postgres built extension libraries with global visibility, i.e.
exporting all symbols. On the one platform where that behavior is not
natively available, namely windows, we emulate it by analyzing the input files
to the shared library and exporting all the symbols therein.
Not exporting all symbols is actually desirable, as it can improve loading
speed, reduces the likelihood of symbol conflicts and can improve intra
extension library function call performance. It also makes the non-windows
builds more similar to windows builds.
Additionally, with meson implementing the export-all-symbols behavior for
windows, turns out to be more verbose than desirable.
This patch adds support for hiding symbols by default and, to counteract that,
explicit symbol visibility annotation for compilers that support
__attribute__((visibility("default"))) and -fvisibility=hidden. That is
expected to be most, if not all, compilers except msvc (for which we already
support explicit symbol export annotations).
Now that extension library symbols are explicitly exported, we don't need to
export all symbols on windows anymore, hence remove that behavior from
src/tools/msvc. The supporting code can't be removed, as we still need to
export all symbols from the main postgres binary.
Author: Andres Freund <[email protected]>
Author: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/[email protected]
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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 <[email protected]>
Reviewed-by: Andres Freund <[email protected]>
Reviewed-by: Peter Eisentraut <[email protected]>
Discussion: https://postgr.es/m/1415825.1656893299%40sss.pgh.pa.us
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macOS has traditionally used extension .dylib for shared libraries
(used at build time) and .so for dynamically loaded modules (used by
dlopen()). This complicates the build system a bit. Also, Meson uses
.dylib for both, so it would be worth unifying this in order to be
able to get equal build output.
There doesn't appear to be any reason to use any particular extension
for dlopened modules, since dlopen() will accept anything and
PostgreSQL is well-factored to be able to deal with any extension.
Other software packages that I have handy appear to be about 50/50
split on which extension they use for their plugins. So it seems
possible to change this safely.
Discussion: https://www.postgresql.org/message-id/flat/bcc45f78-e3c3-8fb3-7c42-5371b48b5266%40enterprisedb.com
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Move DLSUFFIX from makefiles into header files for all platforms.
Move the DLSUFFIX assignment from src/makefiles/ to src/templates/,
have configure read it, and then substitute it into Makefile.global
and pg_config.h. This avoids the need for all makefile rules that
need it to locally set CPPFLAGS. It also resolves an inconsistent
setup between the two Windows build systems.
Reviewed-by: Andres Freund <[email protected]>
Discussion: https://www.postgresql.org/message-id/[email protected]
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Apply in libpq_pipeline test makefile, so that the test file is not
installed into tmp_install.
Reviewed-by: Alvaro Herrera <[email protected]>
Reviewed-by: Tom Lane <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/cb9d16a6-760f-cd44-28d6-b091d5fb6ca7%40enterprisedb.com
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For historical reasons, libpq used a separate libpq.rc file for the
Windows builds while all other components use a common file
win32ver.rc. With a bit of tweaking, the libpq build can also use the
win32ver.rc file. This removes a bit of duplicative code.
Reviewed-by: Kyotaro Horiguchi <[email protected]>
Reviewed-by: Michael Paquier <[email protected]>
Discussion: https://www.postgresql.org/message-id/flat/[email protected]
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Move the platform-dependent logic that sets CFLAGS_SL from
src/makefiles/Makefile.foo to src/template/foo, so that the value
is determined at configure time and thus is available while running
configure's tests.
On a couple of platforms this might save a few microseconds of build
time by eliminating a test that make otherwise has to do over and over.
Otherwise it's pretty much a wash for build purposes; in particular,
this makes no difference to anyone who might be overriding CFLAGS_SL
via a make option.
This patch in itself does nothing with the value and thus should not
change any behavior, though you'll probably have to re-run configure
to get a correctly updated Makefile.global. We'll use the new
configure variable in a follow-on patch.
Per gripe from Kyotaro Horiguchi. Back-patch to all supported branches,
because the follow-on patch is a portability bug fix.
Discussion: https://postgr.es/m/[email protected]
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This is long obsolete.
Discussion: https://www.postgresql.org/message-id/[email protected]
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The MSVC build system already did this, and commit
617dc6d299c957e2784320382b3277ede01d9c63 used it in a second file.
Back-patch to 9.4, like that commit.
Discussion: https://postgr.es/m/CAA8=A7_1SWc3+3Z=-utQrQFOtrj_DeohRVt7diA2tZozxsyUOQ@mail.gmail.com
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When $(MODULES) and $(MODULE_big) are empty, derive the database name
from the first element of $(REGRESS) instead of using a constant string.
When deriving the database name from $(MODULES), use its first element
instead of the entire list; the earlier approach would fail if any
multi-module directory had $(REGRESS) tests. Treat isolation suites and
src/pl correspondingly. Under USE_MODULE_DB=1, installcheck-world and
check-world no longer reuse any database name in a given postmaster.
Buildfarm members axolotl, mandrill and frogfish saw spurious "is being
accessed by other users" failures that would not have happened without
database name reuse. (The CountOtherDBBackends() 5s deadline expired
during DROP DATABASE; a backend for an earlier test suite had used the
same database name and had not yet exited.) Back-patch to 9.4 (all
supported versions), except bits pertaining to isolation suites.
Concept reviewed by Andrew Dunstan, Andres Freund and Tom Lane.
Discussion: https://postgr.es/m/[email protected]
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Rather than define ld_library_path_ver with a big nested $(if), just
put the overriding values in the makefiles for the relevant ports.
Also add a variable for port makefiles to append their own stuff to
with_temp_install, and use it to set LD_LIBRARY_PATH_RPATH=1 on
FreeBSD which is needed to make LD_LIBRARY_PATH override DT_RPATH
if DT_RUNPATH is not set (which seems to depend in unpredictable ways
on the choice of compiler, at least on my system).
Backpatch for the benefit of anyone doing regression tests on FreeBSD.
(For other platforms there should be no functional change.)
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Add PG_CFLAGS, PG_CXXFLAGS, and PG_LDFLAGS variables to pgxs.mk which
will be appended or prepended to the corresponding make variables.
Notably, there was previously no way to pass custom CXXFLAGS to third
party extension module builds, COPT and PROFILE supporting only CFLAGS
and LDFLAGS.
Backpatch all the way down to ease integration with existing
extensions.
Author: Christoph Berg
Reviewed-by: Andres Freund, Tom Lane, Michael Paquier
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 9.4
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It's important for link commands to list *.o input files before -l
switches for libraries, as library code may not get pulled into the link
unless referenced by an earlier command-line entry. This is certainly
necessary for static libraries (.a style). Apparently on some platforms
it is also necessary for shared libraries, as reported by Donald Dong.
We often put -l switches for within-tree libraries into LDFLAGS, meaning
that link commands that list *.o files after LDFLAGS are hazardous.
Most of our link commands got this right, but a few did not. In
particular, places that relied on gmake's default implicit link rule
failed, because that puts LDFLAGS first. Fix that by overriding the
built-in rule with our own. The implicit link rules in
src/makefiles/Makefile.* for single-.o-file shared libraries mostly
got this wrong too, so fix them. I also changed the link rules for the
backend and a couple of other places for consistency, even though they
are not (currently) at risk because they aren't adding any -l switches
to LDFLAGS.
Arguably, the real problem here is that we're abusing LDFLAGS by
putting -l switches in it and we should stop doing that. But changing
that would be quite invasive, so I'm not eager to do so.
Perhaps this is a candidate for back-patching, but so far it seems
that problems can only be exhibited in test code we don't normally
build, and at least some of the problems are new in HEAD anyway.
So I'll refrain for now.
Donald Dong and Tom Lane
Discussion: https://postgr.es/m/CAKABAquXn-BF-vBeRZxhzvPyfMqgGuc74p8BmQZyCFDpyROBJQ@mail.gmail.com
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This closes a race condition in "make -j check-world"; the symptom was
EEXIST errors. Back-patch to v10, before which parallel check-world had
worse problems.
Discussion: https://postgr.es/m/[email protected]
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The following options are added for extensions:
- TAP_TESTS, to allow an extention to run TAP tests which are the ones
present in t/*.pl. A subset of tests can always be run with the
existing PROVE_TESTS for developers.
- ISOLATION, to define a list of isolation tests.
- ISOLATION_OPTS, to pass custom options to isolation_tester.
A couple of custom Makefile rules have been accumulated across the tree
to cover the lack of facility in PGXS for a couple of releases when
using those test suites, which are all now replaced with the new flags,
without reducing the test coverage. Note that tests of contrib/bloom/
are not enabled yet, as those are proving unstable in the buildfarm.
Author: Michael Paquier
Reviewed-by: Adam Berlin, Álvaro Herrera, Tom Lane, Nikolay Shaplov,
Arthur Zakirov
Discussion: https://postgr.es/m/[email protected]
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A set of failures in buildfarm machines are proving that this is not
quite ready yet because of another set of issues:
- MSVC scripts assume that REGRESS_OPTS can only use top_builddir. Some
test suites actually finish by using top_srcdir, like pg_stat_statements
which cause the regression tests to never run.
- Trying to enforce top_builddir does not work either when using VPATH
as this is not recognized properly.
- TAP tests of bloom are unstable on various platforms, causing various
failures.
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The following options are added for extensions:
- TAP_TESTS, to allow an extention to run TAP tests which are the ones
present in t/*.pl. A subset of tests can always be run with the
existing PROVE_TESTS for developers.
- ISOLATION, to define a list of isolation tests.
- ISOLATION_OPTS, to pass custom options to isolation_tester.
A couple of custom Makefile targets have been accumulated across the
tree to cover the lack of facility in PGXS for a couple of releases when
using those test suites, which are all now replaced with the new flags,
without reducing the test coverage. This also fixes an issue with
contrib/bloom/, which had a custom target to trigger its TAP tests of
its own not part of the main check runs.
Author: Michael Paquier
Reviewed-by: Adam Berlin, Álvaro Herrera, Tom Lane, Nikolay Shaplov,
Arthur Zakirov
Discussion: https://postgr.es/m/[email protected]
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Commit be54b3777 failed on gmake 3.80 due to a chained conditional,
which on closer examination could be removed entirely with some
refactoring elsewhere for a net simplification and more robustness
against empty expansions. Along the way, add some more comments.
Also make explicit in the documentation and comments that built
headers are not removed by 'make clean', since we don't typically want
that for headers generated by a separate ./configure step, and it's
much easier to add your own 'distclean' rule or use EXTRA_CLEAN than
to try and override a deletion rule in pgxs.mk.
Per buildfarm member prariedog and comments by Michael Paquier, though
all the actual changes are my fault.
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Commit df163230b overlooked the case that an out-of-tree extension
might need to build its header files (e.g. via ./configure). If it is
also doing a VPATH build, the HEADERS_* rules in the original commit
would then fail to find the files, since they would be looking only
under $(srcdir) and not in the build directory.
Fix by adding HEADERS_built and HEADERS_built_$(MODULE) which behave
like DATA_built in that they look in the build dir rather than the
source dir (and also make the files dependencies of the "all" target).
No Windows support appears to be needed for this, since it is only
relevant to out-of-tree builds (no support exists in Mkvcbuild.pm to
build extension header files in any case).
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Now that we have TAP tests, a contrib module may have something useful
to do in "make check" even if it has no pg_regress-style regression
scripts, and hence no REGRESS setting. But the TAP tests will fail,
or else test the wrong installed files, unless we install the contrib
module into the temp installation. So move the bit about adding to
EXTRA_INSTALL so that it applies regardless.
We might want this in back branches in future, but for the moment
I only risked adding it to v11.
Discussion: https://postgr.es/m/[email protected]
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This allows out-of-tree PLs and similar code to get access to
definitions needed to work with extension data types.
The following existing modules now install headers: contrib/cube,
contrib/hstore, contrib/isn, contrib/ltree, contrib/seg.
Discussion: https://postgr.es/m/87y3euomjh.fsf%40news-spur.riddles.org.uk
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This code is evidently allocating memory and thus confusing matters
even more. Let's see whether we can learn anything with
just VirtualQuery.
Discussion: https://postgr.es/m/[email protected]
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This morning's results from buildfarm member dory make it pretty
clear that something is getting mapped into the just-freed space,
but not what that something is. Replace my minimalistic probes
with a full dump of the process address space and module space,
based on Noah's work at
<20170403065106.GA2624300%40tornado.leadboat.com>
This is all (probably) to get reverted once we have fixed the
problem, but for now we need information.
Discussion: https://postgr.es/m/[email protected]
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Per Julien Rouhaud and the buildfarm. This is not quite Julien's
patch: there's no need to lobotomize this build rule when building
contrib modules in-tree, so set NO_GENERATED_HEADERS only if PGXS.
In passing, also set NO_TEMP_INSTALL in external builds. This doesn't
seem to be fixing any live bug, because "make check" in an external
build just produces the expected error message without first trying to
make a temp install ... but it's far from obvious why it doesn't, so
this change seems like good future-proofing.
Julien Rouhaud and Tom Lane
Discussion: https://postgr.es/m/CAOBaU_YH=g68opbbMk8is3jNwhoXGa8ckRSre1nx0Obe1C7i-Q@mail.gmail.com
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We were being careless in some places about the order of -L switches in
link command lines, such that -L switches referring to external directories
could come before those referring to directories within the build tree.
This made it possible to accidentally link a system-supplied library, for
example /usr/lib/libpq.so, in place of the one built in the build tree.
Hilarity ensued, the more so the older the system-supplied library is.
To fix, break LDFLAGS into two parts, a sub-variable LDFLAGS_INTERNAL
and the main LDFLAGS variable, both of which are "recursively expanded"
so that they can be incrementally adjusted by different makefiles.
Establish a policy that -L switches for directories in the build tree
must always be added to LDFLAGS_INTERNAL, while -L switches for external
directories must always be added to LDFLAGS. This is sufficient to
ensure a safe search order. For simplicity, we typically also put -l
switches for the respective libraries into those same variables.
(Traditional make usage would have us put -l switches into LIBS, but
cleaning that up is a project for another day, as there's no clear
need for it.)
This turns out to also require separating SHLIB_LINK into two variables,
SHLIB_LINK and SHLIB_LINK_INTERNAL, with a similar rule about which
switches go into which variable. And likewise for PG_LIBS.
Although this change might appear to affect external users of pgxs.mk,
I think it doesn't; they shouldn't have any need to touch the _INTERNAL
variables.
In passing, tweak src/common/Makefile so that the value of CPPFLAGS
recorded in pg_config lacks "-DFRONTEND" and the recorded value of
LDFLAGS lacks "-L../../../src/common". Both of those things are
mistakes, apparently introduced during prior code rearrangements,
as old versions of pg_config don't print them. In general we don't
want anything that's specific to the src/common subdirectory to
appear in those outputs.
This is certainly a bug fix, but in view of the lack of field
complaints, I'm unsure whether it's worth the risk of back-patching.
In any case it seems wise to see what the buildfarm makes of it first.
Discussion: https://postgr.es/m/[email protected]
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This provides infrastructure to allow JITed code to inline code
implemented in C. This e.g. can be postgres internal functions or
extension code.
This already speeds up long running queries, by allowing the LLVM
optimizer to optimize across function boundaries. The optimization
potential currently doesn't reach its full potential because LLVM
cannot optimize the FunctionCallInfoData argument fully away, because
it's allocated on the heap rather than the stack. Fixing that is
beyond what's realistic for v11.
To be able to do that, use CLANG to convert C code to LLVM bitcode,
and have LLVM build a summary for it. That bitcode can then be used to
to inline functions at runtime. For that the bitcode needs to be
installed. Postgres bitcode goes into $pkglibdir/bitcode/postgres,
extensions go into equivalent directories. PGXS has been modified so
that happens automatically if postgres has been compiled with LLVM
support.
Currently this isn't the fastest inline implementation, modules are
reloaded from disk during inlining. That's to work around an apparent
LLVM bug, triggering an apparently spurious error in LLVM assertion
enabled builds. Once that is resolved we can remove the superfluous
read from disk.
Docs will follow in a later commit containing docs for the whole JIT
feature.
Author: Andres Freund
Discussion: https://postgr.es/m/[email protected]
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