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libtracefs/0001-libtracefs-Add-initial-support-for-meson.patch
Jan Engelhardt ae6c72b25c Accepting request 1063658 from home:wagi:branches:devel:trace 
- Sync meson build patch with latest upstream version
  * Documentation is build via extra build target

OBS-URL: https://build.opensuse.org/request/show/1063658
OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libtracefs?expand=0&rev=28
2023-02-08 10:01:09 +00:00

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From de739be1299aaa30469fc90ddc0f97ea915c784e Mon Sep 17 00:00:00 2001
From: Daniel Wagner <dwagner@suse.de>
Date: Thu, 7 Jul 2022 14:05:49 +0200
Subject: [PATCH v7] libtracefs: Add initial support for meson
Introduce Meson as build framework for building libtracefs.
The build steps are:
# configure using .build as build directory and install destination
# /tmp/test
meson setup --prefix=/tmp/libtraceevent .build
# trigger the build
meson compile -C .build
# In case you want to build the documentation, trigger the
# build via the 'docs' target:
meson compile -C build docs
# install the library (and documentation)
meson install -C .build
Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
v7:
- set default html doc path to share/doc/libtracefs-doc
- list libtraceevent in Required pkg-config section.
- install (any) man5 pages (keep it in sync with other projects)
v6:
- changed project defaults to --default-library=both
- code style consistency updates
- hardening doc install script (shellcheck)
- renamed install-man.sh.in to install-docs.sh.in
- install-docs.sh.in installs html pages too
- introduces docs target
- updated copyright year
- streamlined documentation meson build file
v5:
- build unit test only if cunit is found
- default build target is debug
- do not install man pages into subdirs
- install sqlhist (because we install the man page too, so why not the tool?)
v4:
- add subdir include path to cflags in pkgconfg file
- refactoring build instruction for section 1 and section 3 documentation
into one loop (reduce code duplication)
v3:
- build documetation
- build samples
- set default location to /usr/local
v2:
- updated commit message
- dropped the include path patch, the pkg-config
from libtraceevent is including them
v1:
- initial version
Documentation/install-docs.sh.in | 20 ++++
Documentation/meson.build | 197 +++++++++++++++++++++++++++++++
include/meson.build | 11 ++
meson.build | 47 ++++++++
meson_options.txt | 16 +++
samples/extract-example.sh | 3 +
samples/meson.build | 45 +++++++
src/meson.build | 63 ++++++++++
utest/meson.build | 17 +++
9 files changed, 419 insertions(+)
create mode 100755 Documentation/install-docs.sh.in
create mode 100644 Documentation/meson.build
create mode 100644 include/meson.build
create mode 100644 meson.build
create mode 100644 meson_options.txt
create mode 100644 samples/extract-example.sh
create mode 100644 samples/meson.build
create mode 100644 src/meson.build
create mode 100644 utest/meson.build
diff --git a/Documentation/install-docs.sh.in b/Documentation/install-docs.sh.in
new file mode 100755
index 000000000000..eca9b1f42dcc
--- /dev/null
+++ b/Documentation/install-docs.sh.in
@@ -0,0 +1,20 @@
+#!/bin/bash
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+for section in 1 3 5; do
+ while IFS= read -r -d '' man; do
+ [ ! -d "${DESTDIR}@MANDIR@/man${section}" ] && install -d "${DESTDIR}@MANDIR@/man${section}"
+
+ echo Installing "${man}" to "${DESTDIR}@MANDIR@/man${section}"
+ install -m 0644 "${man}" "${DESTDIR}@MANDIR@/man${section}/"
+ done< <(find "@SRCDIR@" -name "*\.${section}" -type f -print0)
+done
+
+while IFS= read -r -d '' html; do
+ [ ! -d "${DESTDIR}@HTMLDIR@" ] && install -d "${DESTDIR}@HTMLDIR@"
+
+ echo Installing "${html}" to "${DESTDIR}@HTMLDIR@"
+ install -m 0644 "${html}" "${DESTDIR}@HTMLDIR@"
+done< <(find "@SRCDIR@" -name "*\.html" -type f -print0)
diff --git a/Documentation/meson.build b/Documentation/meson.build
new file mode 100644
index 000000000000..efb78b602965
--- /dev/null
+++ b/Documentation/meson.build
@@ -0,0 +1,197 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+# input text file: man page section
+
+sources = {
+ 'libtracefs-sqlhist.txt.1': '1',
+ 'libtracefs-cpu-open.txt': '3',
+ 'libtracefs-cpu.txt': '3',
+ 'libtracefs-dynevents.txt': '3',
+ 'libtracefs-eprobes.txt': '3',
+ 'libtracefs-error.txt': '3',
+ 'libtracefs-events-file.txt': '3',
+ 'libtracefs-events-tep.txt': '3',
+ 'libtracefs-events.txt': '3',
+ 'libtracefs-files.txt': '3',
+ 'libtracefs-filter.txt': '3',
+ 'libtracefs-function-filter.txt': '3',
+ 'libtracefs-hist-cont.txt': '3',
+ 'libtracefs-hist-mod.txt': '3',
+ 'libtracefs-hist.txt': '3',
+ 'libtracefs-instances-affinity.txt': '3',
+ 'libtracefs-instances-file-manip.txt': '3',
+ 'libtracefs-instances-files.txt': '3',
+ 'libtracefs-instances-manage.txt': '3',
+ 'libtracefs-instances-utils.txt': '3',
+ 'libtracefs-iterator.txt': '3',
+ 'libtracefs-kprobes.txt': '3',
+ 'libtracefs-log.txt': '3',
+ 'libtracefs-marker_raw.txt': '3',
+ 'libtracefs-marker.txt': '3',
+ 'libtracefs-option-get.txt': '3',
+ 'libtracefs-option-misc.txt': '3',
+ 'libtracefs-options.txt': '3',
+ 'libtracefs-sql.txt': '3',
+ 'libtracefs-stream.txt': '3',
+ 'libtracefs-synth2.txt': '3',
+ 'libtracefs-synth-info.txt': '3',
+ 'libtracefs-synth.txt': '3',
+ 'libtracefs-traceon.txt': '3',
+ 'libtracefs-tracer.txt': '3',
+ 'libtracefs.txt': '3',
+ 'libtracefs-uprobes.txt': '3',
+ 'libtracefs-utils.txt': '3',
+}
+
+conf_dir = meson.current_source_dir() + '/'
+top_source_dir = meson.current_source_dir() + '/../'
+
+##
+# For asciidoc ...
+# -7.1.2, no extra settings are needed.
+# 8.0-, set ASCIIDOC8.
+#
+
+#
+# For docbook-xsl ...
+# -1.68.1, set ASCIIDOC_NO_ROFF? (based on changelog from 1.73.0)
+# 1.69.0, no extra settings are needed?
+# 1.69.1-1.71.0, set DOCBOOK_SUPPRESS_SP?
+# 1.71.1, no extra settings are needed?
+# 1.72.0, set DOCBOOK_XSL_172.
+# 1.73.0-, set ASCIIDOC_NO_ROFF
+#
+
+#
+# If you had been using DOCBOOK_XSL_172 in an attempt to get rid
+# of 'the ".ft C" problem' in your generated manpages, and you
+# instead ended up with weird characters around callouts, try
+# using ASCIIDOC_NO_ROFF instead (it works fine with ASCIIDOC8).
+#
+
+if get_option('asciidoctor')
+ asciidoc = find_program('asciidoctor')
+ asciidoc_extra = ['-a', 'compat-mode']
+ asciidoc_extra += ['-I.']
+ asciidoc_extra += ['-r', 'asciidoctor-extensions']
+ asciidoc_extra += ['-a', 'mansource=libtraceevent']
+ asciidoc_extra += ['-a', 'manmanual="libtraceevent Manual"']
+ asciidoc_html = 'xhtml5'
+else
+ asciidoc = find_program('asciidoc')
+ asciidoc_extra = ['--unsafe']
+ asciidoc_extra += ['-f', conf_dir + 'asciidoc.conf']
+ asciidoc_html = 'xhtml11'
+
+ r = run_command(asciidoc, '--version', check: true)
+ v = r.stdout().strip()
+ if v.version_compare('>=8.0')
+ asciidoc_extra += ['-a', 'asciidoc7compatible']
+ endif
+endif
+
+manpage_xsl = conf_dir + 'manpage-normal.xsl'
+
+if get_option('docbook-xls-172')
+ asciidoc_extra += ['-a', 'libtraceevent-asciidoc-no-roff']
+ manpage_xsl = conf_dir + 'manpage-1.72.xsl'
+elif get_option('asciidoc-no-roff')
+ # docbook-xsl after 1.72 needs the regular XSL, but will not
+ # pass-thru raw roff codes from asciidoc.conf, so turn them off.
+ asciidoc_extra += ['-a', 'libtraceevent-asciidoc-no-roff']
+endif
+
+xmlto = find_program('xmlto')
+xmlto_extra = []
+
+if get_option('man-bold-literal')
+ xmlto_extra += ['-m ', conf_dir + 'manpage-bold-literal.xsl']
+endif
+
+if get_option('docbook-suppress-sp')
+ xmlto_extra += ['-m ', conf_dir + 'manpage-suppress-sp.xsl']
+endif
+
+check_doc = custom_target(
+ 'check-doc',
+ output: 'dummy',
+ command : [
+ top_source_dir + 'check-manpages.sh',
+ meson.current_source_dir()])
+
+gen = generator(
+ asciidoc,
+ output: '@BASENAME@.xml',
+ arguments: [
+ '-b', 'docbook',
+ '-d', 'manpage',
+ '-a', 'libtraceevent_version=' + meson.project_version(),
+ '-o', '@OUTPUT@']
+ + asciidoc_extra
+ + ['@INPUT@'])
+
+man = []
+html = []
+foreach txt, section : sources
+ # build man page(s)
+ xml = gen.process(txt)
+ man += custom_target(
+ txt.underscorify() + '_man',
+ input: xml,
+ output: '@BASENAME@.' + section,
+ depends: check_doc,
+ command: [
+ xmlto,
+ '-m', manpage_xsl,
+ 'man',
+ '-o', '@OUTPUT@']
+ + xmlto_extra
+ + ['@INPUT@'])
+
+ # build html pages
+ html += custom_target(
+ txt.underscorify() + '_html',
+ input: txt,
+ output: '@BASENAME@.html',
+ depends: check_doc,
+ command: [
+ asciidoc,
+ '-b', asciidoc_html,
+ '-d', 'manpage',
+ '-a', 'libtraceevent_version=' + meson.project_version(),
+ '-o', '@OUTPUT@']
+ + asciidoc_extra
+ + ['@INPUT@'])
+endforeach
+
+# Install path workaround because:
+#
+# - xmlto might generate more than one file and we would to tell meson
+# about those output files. We could figure out which files are generated
+# (see sed match in check-manpages.sh).
+#
+# - The man page generation puts all the generated files under sub dirs
+# and it's not obvious how to tell Meson it should not do this without
+# causing the install step to fail (confusion where the generated files
+# are stored)
+#
+# - The documentation build is not part of the 'build' target. The user
+# has explicitly to trigger the doc build. Hence the documentation is
+# not added to the 'install' target.
+#
+# Thus just use a plain old shell script to move the generated files to the
+# right location.
+
+conf = configuration_data()
+conf.set('SRCDIR', meson.current_build_dir())
+conf.set('MANDIR', mandir)
+conf.set('HTMLDIR', htmldir)
+configure_file(
+ input: 'install-docs.sh.in',
+ output: 'install-docs.sh',
+ configuration: conf)
+
+meson.add_install_script(
+ join_paths(meson.current_build_dir(), 'install-docs.sh'))
diff --git a/include/meson.build b/include/meson.build
new file mode 100644
index 000000000000..52db432c8275
--- /dev/null
+++ b/include/meson.build
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+headers = [
+ 'tracefs.h',
+]
+
+foreach h : headers
+ install_headers(h, subdir : 'libtracefs')
+endforeach
diff --git a/meson.build b/meson.build
new file mode 100644
index 000000000000..e793cfc16e14
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+project(
+ 'libtracefs', ['c'],
+ meson_version: '>= 0.50.0',
+ license: 'LGPL-2.1',
+ version: '1.6.3',
+ default_options: [
+ 'c_std=gnu99',
+ 'buildtype=debug',
+ 'default_library=both',
+ 'prefix=/usr/local',
+ 'warning_level=1'])
+
+library_version = meson.project_version()
+
+libtraceevent_dep = dependency('libtraceevent', version: '>= 1.7.0', required: true)
+cunit_dep = dependency('cunit', required : false)
+
+prefixdir = get_option('prefix')
+bindir = join_paths(prefixdir, get_option('bindir'))
+mandir = join_paths(prefixdir, get_option('mandir'))
+htmldir = join_paths(prefixdir, get_option('htmldir'))
+
+add_project_arguments(
+ [
+ '-D_GNU_SOURCE',
+ ],
+ language : 'c')
+
+incdir = include_directories(['include'])
+
+subdir('src')
+subdir('include')
+if cunit_dep.found()
+ subdir('utest')
+endif
+subdir('samples')
+subdir('Documentation')
+
+custom_target(
+ 'docs',
+ output: 'docs',
+ depends: [html, man],
+ command: ['echo'])
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 000000000000..1d92c28d5935
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+option('htmldir', type : 'string', value : 'share/doc/libtracefs-doc',
+ description : 'directory for HTML documentation')
+option('asciidoctor', type : 'boolean', value: false,
+ description : 'use asciidoctor instead of asciidoc')
+option('docbook-xls-172', type : 'boolean', value : false,
+ description : 'enable docbook XLS 172 workaround')
+option('asciidoc-no-roff', type : 'boolean', value : false,
+ description : 'enable no roff workaround')
+option('man-bold-literal', type : 'boolean', value : false,
+ description : 'enable bold literals')
+option('docbook-suppress-sp', type : 'boolean', value : false,
+ description : 'docbook suppress sp')
diff --git a/samples/extract-example.sh b/samples/extract-example.sh
new file mode 100644
index 000000000000..c5c0f702e7f0
--- /dev/null
+++ b/samples/extract-example.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+cat $1 | sed -ne '/^EXAMPLE/,/FILES/ { /EXAMPLE/,+2d ; /^FILES/d ; /^--/d ; p}' > $2
diff --git a/samples/meson.build b/samples/meson.build
new file mode 100644
index 000000000000..5e8ad270f812
--- /dev/null
+++ b/samples/meson.build
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+examples = [
+ 'dynevents',
+ 'kprobes',
+ 'eprobes',
+ 'uprobes',
+ 'synth',
+ 'error',
+ 'filter',
+ 'function-filter',
+ 'hist',
+ 'hist-cont',
+ 'tracer',
+ 'stream',
+ 'instances-affinity',
+ 'cpu',
+]
+
+extract_examples = find_program('extract-example.sh')
+gen = generator(
+ extract_examples,
+ output: '@BASENAME@.c',
+ arguments: ['@INPUT@', '@OUTPUT@'])
+
+foreach ex : examples
+ src = gen.process(meson.current_source_dir() + '/../Documentation/libtracefs-@0@.txt'.format(ex))
+ executable(
+ ex.underscorify(),
+ src,
+ dependencies: [libtracefs_dep, libtraceevent_dep],
+ include_directories: [incdir])
+endforeach
+
+# sqlhist is unique and stands on its own
+src = gen.process(meson.current_source_dir() + '/../Documentation/libtracefs-sql.txt')
+executable(
+ 'sqlhist',
+ src,
+ dependencies: [libtracefs_dep, libtraceevent_dep],
+ include_directories: [incdir],
+ install: true,
+ install_dir: bindir)
diff --git a/src/meson.build b/src/meson.build
new file mode 100644
index 000000000000..56087e2301bf
--- /dev/null
+++ b/src/meson.build
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+sources= [
+ 'tracefs-dynevents.c',
+ 'tracefs-eprobes.c',
+ 'tracefs-events.c',
+ 'tracefs-filter.c',
+ 'tracefs-hist.c',
+ 'tracefs-instance.c',
+ 'tracefs-kprobes.c',
+ 'tracefs-marker.c',
+ 'tracefs-record.c',
+ 'tracefs-sqlhist.c',
+ 'tracefs-tools.c',
+ 'tracefs-uprobes.c',
+ 'tracefs-utils.c',
+]
+
+flex = find_program('flex', required: true)
+bison = find_program('bison', required: true)
+
+lgen = generator(flex,
+output : '@PLAINNAME@.yy.c',
+arguments : ['-o', '@OUTPUT@', '@INPUT@'])
+
+pgen = generator(bison,
+output : ['@BASENAME@.tab.c', '@BASENAME@.tab.h'],
+arguments : ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@'])
+
+lfiles = lgen.process('sqlhist.l')
+pfiles = pgen.process('sqlhist.y')
+
+libtracefs = library(
+ 'tracefs',
+ sources, lfiles, pfiles,
+ version: library_version,
+ dependencies: [libtraceevent_dep],
+ include_directories: [incdir],
+ install: true)
+
+libtracefs_static = static_library(
+ 'tracefs_static',
+ sources, lfiles, pfiles,
+ dependencies: [libtraceevent_dep],
+ include_directories: [incdir],
+ install: false)
+
+pkg = import('pkgconfig')
+pkg.generate(
+ libtracefs,
+ libraries: [libtraceevent_dep],
+ subdirs: 'libtracefs',
+ filebase: meson.project_name(),
+ name: meson.project_name(),
+ version: meson.project_version(),
+ description: 'Manage trace fs',
+ url: 'https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/')
+
+libtracefs_dep = declare_dependency(
+ include_directories: ['.'],
+ link_with: libtracefs)
diff --git a/utest/meson.build b/utest/meson.build
new file mode 100644
index 000000000000..91a526fca2bf
--- /dev/null
+++ b/utest/meson.build
@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: LGPL-2.1
+#
+# Copyright (c) 2023 Daniel Wagner, SUSE LLC
+
+source = [
+ 'trace-utest.c',
+ 'tracefs-utest.c',
+]
+
+e = executable(
+ 'trace-utest',
+ source,
+ include_directories: [incdir],
+ dependencies: [libtraceevent_dep, cunit_dep],
+ link_with: libtracefs_static)
+
+test('trace-utest', e)
--
2.39.0
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