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Commit07cb297

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meson: Document build targets, add 'help' target
Currently important build targets are somewhat hard to discover. This commitdocuments important meson build targets in the sgml documentation. But it'sawkward to have to lookup build targets in the docs when hacking, so this alsoadds a 'help' target, printing out the same information. To avoid having toduplicate information in two places, generate both docbook and interactivedocs from a single source.Reviewed-by: Peter Eisentraut <peter@eisentraut.org>Discussion:https://postgr.es/m/20231108232121.ww542mt6lfo6f26f@awork3.anarazel.de
1 parent6614cfb commit07cb297

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8 files changed

+148
-8
lines changed

8 files changed

+148
-8
lines changed

‎doc/src/sgml/Makefile

Lines changed: 4 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -55,7 +55,7 @@ override XSLTPROCFLAGS += --stringparam pg.version '$(VERSION)'
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5656
GENERATED_SGML = version.sgml\
5757
features-supported.sgml features-unsupported.sgml errcodes-table.sgml\
58-
keywords-table.sgml wait_event_types.sgml
58+
keywords-table.sgmltargets-meson.sgmlwait_event_types.sgml
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ALLSGML :=$(wildcard$(srcdir)/*.sgml$(srcdir)/ref/*.sgml)$(GENERATED_SGML)
6161

@@ -110,6 +110,9 @@ keywords-table.sgml: $(top_srcdir)/src/include/parser/kwlist.h $(wildcard $(srcd
110110
wait_event_types.sgml:$(top_srcdir)/src/backend/utils/activity/wait_event_names.txt$(top_srcdir)/src/backend/utils/activity/generate-wait_event_types.pl
111111
$(PERL)$(top_srcdir)/src/backend/utils/activity/generate-wait_event_types.pl --docs$<
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113+
targets-meson.sgml: targets-meson.txt$(srcdir)/generate-targets-meson.pl
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$(PERL)$(srcdir)/generate-targets-meson.pl$^>$@
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113116
##
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## Generation of some text files.
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##

‎doc/src/sgml/docguide.sgml

Lines changed: 6 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -434,20 +434,19 @@ LOGLEVEL=-Dorg.apache.commons.logging.simplelog.defaultlog=WARN
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<title>Building the Documentation with Meson</title>
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436436
<para>
437-
Two options are provided for buildingthe documentation using Meson.
438-
Change to the<filename>build</filename> directory before running
439-
one of these commands,or add <option>-C build</option> to the command.
437+
To buildthe documentation using Meson, change to the
438+
<filename>build</filename> directory before running one of these commands,
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or add <option>-C build</option> to the command.
440440
</para>
441441

442442
<para>
443443
To build just the <acronym>HTML</acronym> version of the documentation:
444444
<screen>
445445
<prompt>build$ </prompt><userinput>ninja html</userinput>
446446
</screen>
447-
To build all forms of the documentation:
448-
<screen>
449-
<prompt>build$ </prompt><userinput>ninja alldocs</userinput>
450-
</screen>
447+
For a list of other documentation targets see
448+
<xref linkend="targets-meson-documentation"/>.
449+
451450
The output appears in the
452451
subdirectory <filename>build/doc/src/sgml</filename>.
453452
</para>

‎doc/src/sgml/filelist.sgml

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Original file line numberDiff line numberDiff line change
@@ -38,6 +38,7 @@
3838
<!ENTITY high-availability SYSTEM "high-availability.sgml">
3939
<!ENTITY installbin SYSTEM "install-binaries.sgml">
4040
<!ENTITY installation SYSTEM "installation.sgml">
41+
<!ENTITY targets-meson SYSTEM "targets-meson.sgml">
4142
<!ENTITY installw SYSTEM "install-windows.sgml">
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<!ENTITY maintenance SYSTEM "maintenance.sgml">
4344
<!ENTITY manage-ag SYSTEM "manage-ag.sgml">
Lines changed: 63 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,63 @@
1+
#!/usr/bin/perl
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#
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# Generate the targets-meson.sgml file from targets-meson.txt
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# Copyright (c) 2000-2023, PostgreSQL Global Development Group
5+
6+
use strict;
7+
use warnings;
8+
9+
my$targets_meson_file =$ARGV[0];
10+
openmy$targets_meson,'<',$targets_meson_fileordie;
11+
12+
print
13+
"<!-- autogenerated from doc/src/sgml/targets-meson.txt, do not edit -->\n";
14+
15+
# Find the start of each group of targets
16+
while (<$targets_meson>)
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{
18+
nextif/^#/;
19+
20+
if (/^(.*) Targets:$/)
21+
{
22+
my$targets =$1;
23+
my$targets_id =lc$targets;
24+
25+
printqq(
26+
<sect3 id="targets-meson-$targets_id">
27+
<title>$targets Targets</title>
28+
29+
<variablelist>
30+
);
31+
32+
# Each target in the group
33+
while (<$targets_meson>)
34+
{
35+
nextif/^#/;
36+
lastif !/^\s+([^ ]+)\s+(.+)/;
37+
38+
my$target =$1;
39+
my$desc =$2;
40+
my$target_id =$1;
41+
42+
$target_id =~ s/\//-/g;
43+
44+
print qq(
45+
<varlistentry id="meson-target-${target_id}">
46+
<term><option>${target}</option></term>
47+
<listitem>
48+
<para>
49+
${desc}
50+
</para>
51+
</listitem>
52+
</varlistentry>
53+
);
54+
}
55+
56+
print qq(
57+
</variablelist>
58+
</sect3>
59+
);
60+
}
61+
}
62+
63+
close$targets_meson;

‎doc/src/sgml/installation.sgml

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -3200,6 +3200,21 @@ ninja install
32003200
</variablelist>
32013201
</sect3>
32023202
</sect2>
3203+
3204+
<sect2 id="targets-meson">
3205+
<title><literal>meson</literal> Build Targets</title>
3206+
3207+
<para>
3208+
Individual build targets can be built using <command>ninja</command> <replaceable>target</replaceable>.
3209+
3210+
When no target is specified, everything except documentation is
3211+
built. Individual build products can be built using the path/filename as
3212+
<replaceable>target</replaceable>.
3213+
</para>
3214+
3215+
&targets-meson;
3216+
</sect2>
3217+
32033218
</sect1>
32043219

32053220
<sect1 id="install-post">

‎doc/src/sgml/meson.build

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Original file line numberDiff line numberDiff line change
@@ -71,6 +71,15 @@ doc_generated += custom_target('keywords-table.sgml',
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capture:true,
7272
)
7373

74+
doc_generated+=custom_target('targets-meson.sgml',
75+
input:files('targets-meson.txt'),
76+
output:'targets-meson.sgml',
77+
command: [perl,files('generate-targets-meson.pl'),'@INPUT@'],
78+
build_by_default:false,
79+
install:false,
80+
capture:true,
81+
)
82+
7483
# For everything else we need at least xmllint
7584
ifnot xmllint_bin.found()
7685
subdir_done()

‎doc/src/sgml/targets-meson.txt

Lines changed: 43 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,43 @@
1+
# Copyright (c) 2023, PostgreSQL Global Development Group
2+
#
3+
# Description of important meson targets, used for the 'help' target and
4+
# installation.sgml (via generate-targets-meson.pl). Right now the parsers are
5+
# extremely simple. Both parsers ignore comments. The help target prints
6+
# everything else. For xml everything without a leading newline is a group,
7+
# remaining lines are target separated by whitespace from their description
8+
#
9+
Code Targets:
10+
all Build everything other than documentation
11+
backend Build backend and related modules
12+
bin Build frontend binaries
13+
contrib Build contrib modules
14+
pl Build procedual languages
15+
16+
Developer Targets:
17+
reformat-dat-files Rewrite catalog data files into standard format
18+
expand-dat-files Expand all data files to include defaults
19+
update-unicode Update unicode data to new version
20+
21+
Documentation Targets:
22+
html Build documentation in multi-page HTML format
23+
man Build documentation in man page format
24+
docs Build documentation in multi-page HTML and man page format
25+
doc/src/sgml/postgres-A4.pdf Build documentation in PDF format, with A4 pages
26+
doc/src/sgml/postgres-US.pdf Build documentation in PDF format, with US letter pages
27+
doc/src/sgml/postgres.html Build documentation in single-page HTML format
28+
alldocs Build documentation in all supported formats
29+
30+
Installation Targets:
31+
install Install postgres, excluding documentation
32+
install-docs Install documentation in multi-page HTML and man page formats
33+
install-html Install documentation in multi-page HTML format
34+
install-man Install documentation in man page format
35+
install-quiet Like "install", but installed files are not displayed
36+
install-world Install postgres, including multi-page HTML and man page documentation
37+
uninstall Remove installed files
38+
39+
Other Targets:
40+
clean Remove all build products
41+
test Run all enabled tests (including contrib)
42+
world Build everything, including documentation
43+
help List important targets

‎meson.build

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -3335,6 +3335,13 @@ alias_target('testprep', testprep_targets)
33353335
alias_target('world', all_built, docs)
33363336
alias_target('install-world', install_quiet, installdocs)
33373337

3338+
run_target('help',
3339+
command: [
3340+
perl,'-ne','next if /^#/; print',
3341+
files('doc/src/sgml/targets-meson.txt'),
3342+
]
3343+
)
3344+
33383345

33393346

33403347
###############################################################

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