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Re: [RFC] building postgres with meson

Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>

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From: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
To: Josef Šimánek <josef.simanek@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2021-10-14T13:32:49Z
Lists: pgsql-hackers 
Josef Šimánek <josef.simanek@gmail.com> writes:

> čt 14. 10. 2021 v 15:14 odesílatel Dagfinn Ilmari Mannsåker
> <ilmari@ilmari.org> napsal:
>>
>> Josef Šimánek <josef.simanek@gmail.com> writes:
>>
>> > The only problem I do have currently is auto-detection of perl. I'm
>> > getting error related to missing "Opcode.pm". PERL is autodetected and
>> > enabled (https://pastebin.com/xfRRrDcU).
>>
>> Your Perl (not PERL) installation seems to be incomplete. Opcode.pm is a
>> core module, and should be in /usr/lib64/perl5, judging by the paths in
>> the error message.
>>
>> Which OS is this?  Some Linux distributions have separate packages for
>> the interpreter itself and the included modules, and the packages can be
>> named confusingly.  E.g. on older Redhat/Fedora versions you have to
>> install the 'perl-core' package to get all the modules, 'perl' is just
>> the interpreter and the bare minimum set of strictily necessary modules.
>>
>> They've fixed this in recent versions (Fedora 34 and Redhat 8, IIRC), so
>> that 'perl' gives you the hole bundle, and 'perl-interpeter' is the
>> minimal one.
>
> I'm using Fedora 34 and I still see perl-Opcode.x86_64 as a separate
> package.`

Yes, it's a separate package, but the 'perl' package depends on all the
core module packages, so installing that should fix things.  You appear
to only have 'perl-interpreter' installed.

> Anyway it behaves differently with autoconf tools and the meson build
> system. Is perl disabled by default in the current build system?

configure doesn't auto-detect any optional features, they have to be
explicitly enabled using --with-foo switches.

- ilmari

Commits

  1. meson: Add 'running' test setup, as a replacement for installcheck

  2. meson: Add support for building with precompiled headers

  3. windows: Adjust FD_SETSIZE via commandline define

  4. meson: docs: Add xml{lint,proc} wrapper to collect dependencies

  5. meson: ecpg: Split definition of static and shared libraries

  6. windows: Set UMDF_USING_NTSTATUS globally, include ntstatus.h

  7. ci: Add hint about downloadable logs to README

  8. meson: Set up absolute rpaths to libdir

  9. meson: Include CFLAGS/c_args in summary and pg_config output

  10. windows: remove date from version number in win32ver.rc

  11. meson: Add initial version of meson based build system

  12. ci: windows: set error mode to not include SEM_NOGPFAULTERRORBOX

  13. Refactor PG_TEST_EXTRA logic in autoconf build

  14. Split TESTDIR into TESTLOGDIR and TESTDATADIR

  15. Don't hardcode tmp_check/ as test directory for tap tests

  16. Extend gendef.pl in preparation for meson

  17. Include c.h instead of postgres.h in src/port/*p{read,write}*.c

  18. Remove DLLTOOL, DLLWRAP from configure / Makefile.global.in

  19. Run xmllint validation only once

  20. Bump minimum Perl version to 5.14

  21. Move gramparse.h to src/backend/parser

  22. Run perltidy over Catalog.pm

  23. Parse catalog .dat files as a whole when compiling the backend

  24. Build all Flex files standalone

  25. Move private declarations shared between guc.c and guc-file.l to new header

  26. Preparatory refactoring for compiling guc-file.c standalone

  27. Move darwin sysroot determination into separate file

  28. Fix MSVC warning in compat_informix/rnull.pgc

  29. solaris: Use versioning scripts instead of -Bsymbolic

  30. Change shared library installation naming on macOS

  31. regress: allow to specify directory containing expected files, for ecpg

  32. Don't add HAVE_LDAP_H HAVE_WINLDAP_H to pg_config.h

  33. Refactor dtrace postprocessing make rules

  34. Add output directory option to gen_node_support.pl

  35. Add output directory argument to generate-unicode_norm_table.pl

  36. Add output file argument to generate-errcodes.pl

  37. Add output path arg in generate-lwlocknames.pl

  38. Move snowball_create.sql creation into perl file

  39. ecpg: Output dir, source dir, stamp file argument for preproc/*.pl

  40. psql: Output dir and dependency generation for sql_help

  41. Deal with paths containing \ and spaces in basebackup_to_shell tests

  42. Remove LLVM_CONFIG from Makefile.global.in

  43. Make update-unicode target work in vpath builds

  44. Refactor DLSUFFIX handling

  45. ldap tests: Add paths for openbsd.

  46. ldap tests: Don't run on unsupported operating systems.

  47. Remove check for accept() argument types

  48. Move our p{read,write}v replacements into their own files.

  49. Adjust yywrap macro for non-reentrant scanners for MSVC.

  50. Remove any -arch switches given in ExtUtils::Embed's ldopts from our

  51. Change PL/Perl and Pg interface build to use configured compiler and

  52. Apparently, on some systems, ExtUtils::Embed and MakeMaker are slightly