build-sys: Add a meson-based build systeom

The only missing feature for parity with autotools is generating a text
README using lynx. I think this might be okay to skip as it seems
unnecessary as a dependency.

.gitignore

@@ -12,6 +12,7 @@ config.h.in
 config.log
 config.status
 configure
+build
 depcomp
 README
 README.html

doc/html2txt

@@ -0,0 +1,2 @@
+#!/bin/sh
+lynx --dump $1 | sed 's,file://localhost/.*/doc/README.html,README,'

doc/meson.build

@@ -0,0 +1,34 @@
+doc_cdata = configuration_data()
+
+doc_cdata.set('PACKAGE_VERSION', meson.project_version())
+doc_cdata.set('PACKAGE_URL', 'http://freedesktop.org/software/pulseaudio/pavucontrol/')
+
+readme_html = configure_file(
+    input : 'README.html.in',
+    output : 'README.html',
+    configuration : doc_cdata,
+    install : true,
+    install_dir : docdir,
+)
+
+if tidy.found()
+  test('XHTML documentation uses correct mark-up', tidy, args: ['-e', readme_html])
+endif
+
+if with_lynx
+  custom_target(
+    'README',
+    input: readme_html,
+    output: 'README',
+    command: [find_program('./html2txt'), '@INPUT@'],
+    capture: true,
+    build_by_default: true,
+    install : true,
+    install_dir : docdir,
+  )
+endif
+
+install_data(
+    sources : 'style.css',
+    install_dir : docdir,
+)

meson.build

@@ -0,0 +1,41 @@
+project('pavucontrol', 'cpp',
+        version : '5.0',
+        meson_version : '>= 0.50.0',
+        default_options : [ 'c_std=gnu11', 'cpp_std=c++11' ]
+        )
+
+with_lynx = get_option('lynx')
+
+gtkmm_dep = dependency('gtkmm-3.0', version : '>= 3.0', required : true)
+sigcpp_dep = dependency('sigc++-2.0', required : true)
+canberragtk_dep = dependency('libcanberra-gtk3', version : '>= 0.16', required : true)
+
+libpulse_dep = dependency('libpulse', version : '>= 5.0', required : true)
+libpulsemlglib_dep = dependency('libpulse-mainloop-glib', version : '>= 0.9.16', required : true)
+
+lynx = find_program('lynx', required: with_lynx)
+tidy = find_program('tidy', required: false)
+
+configinc = include_directories('.')
+
+prefix = get_option('prefix')
+datadir = join_paths(prefix, get_option('datadir'))
+docdir = join_paths(datadir, 'doc', 'pavucontrol')
+localedir = join_paths(prefix, get_option('localedir'))
+
+cdata = configuration_data()
+cdata.set('ENABLE_NLS', 1)
+cdata.set_quoted('PACKAGE', 'pavucontrol')
+cdata.set_quoted('PACKAGE_NAME', 'pavucontrol')
+cdata.set_quoted('PACKAGE_STRING', 'pavucontrol')
+cdata.set_quoted('PACKAGE_VERSION', meson.project_version())
+cdata.set_quoted('GETTEXT_PACKAGE', 'pavucontrol')
+cdata.set_quoted('LOCALEDIR', localedir)
+cdata.set_quoted('GLADE_FILE', join_paths(datadir, 'pavucontrol', 'pavucontrol.glade'))
+
+# Now generate config.h from everything above
+configure_file(output : 'config.h', configuration : cdata)
+
+subdir('doc')
+subdir('po')
+subdir('src')

meson_options.txt

@@ -0,0 +1,3 @@
+option('lynx',
+       type : 'boolean', value : true,
+       description : 'Enable building of the README text file for installation')

po/Makevars

@@ -0,0 +1,78 @@
+# Makefile variables for PO directory in any package using GNU gettext.
+
+# Usually the message domain is the same as the package name.
+DOMAIN = $(PACKAGE)
+
+# These two variables depend on the location of this directory.
+subdir = po
+top_builddir = ..
+
+# These options get passed to xgettext.
+XGETTEXT_OPTIONS = --keyword=_ --keyword=N_ --from-code=UTF-8
+
+# This is the copyright holder that gets inserted into the header of the
+# $(DOMAIN).pot file.  Set this to the copyright holder of the surrounding
+# package.  (Note that the msgstr strings, extracted from the package's
+# sources, belong to the copyright holder of the package.)  Translators are
+# expected to transfer the copyright for their translations to this person
+# or entity, or to disclaim their copyright.  The empty string stands for
+# the public domain; in this case the translators are expected to disclaim
+# their copyright.
+COPYRIGHT_HOLDER = PulseAudio contributors
+
+# This tells whether or not to prepend "GNU " prefix to the package
+# name that gets inserted into the header of the $(DOMAIN).pot file.
+# Possible values are "yes", "no", or empty.  If it is empty, try to
+# detect it automatically by scanning the files in $(top_srcdir) for
+# "GNU packagename" string.
+PACKAGE_GNU =
+
+# This is the email address or URL to which the translators shall report
+# bugs in the untranslated strings:
+# - Strings which are not entire sentences, see the maintainer guidelines
+#   in the GNU gettext documentation, section 'Preparing Strings'.
+# - Strings which use unclear terms or require additional context to be
+#   understood.
+# - Strings which make invalid assumptions about notation of date, time or
+#   money.
+# - Pluralisation problems.
+# - Incorrect English spelling.
+# - Incorrect formatting.
+# It can be your email address, or a mailing list address where translators
+# can write to without being subscribed, or the URL of a web page through
+# which the translators can contact you.
+MSGID_BUGS_ADDRESS =
+
+# This is the list of locale categories, beyond LC_MESSAGES, for which the
+# message catalogs shall be used.  It is usually empty.
+EXTRA_LOCALE_CATEGORIES =
+
+# This tells whether the $(DOMAIN).pot file contains messages with an 'msgctxt'
+# context.  Possible values are "yes" and "no".  Set this to yes if the
+# package uses functions taking also a message context, like pgettext(), or
+# if in $(XGETTEXT_OPTIONS) you define keywords with a context argument.
+USE_MSGCTXT = no
+
+# These options get passed to msgmerge.
+# Useful options are in particular:
+#   --previous            to keep previous msgids of translated messages,
+#   --quiet               to reduce the verbosity.
+MSGMERGE_OPTIONS =
+
+# These options get passed to msginit.
+# If you want to disable line wrapping when writing PO files, add
+# --no-wrap to MSGMERGE_OPTIONS, XGETTEXT_OPTIONS, and
+# MSGINIT_OPTIONS.
+MSGINIT_OPTIONS =
+
+# This tells whether or not to regenerate a PO file when $(DOMAIN).pot
+# has changed.  Possible values are "yes" and "no".  Set this to no if
+# the POT file is checked in the repository and the version control
+# program ignores timestamps.
+PO_DEPENDS_ON_POT = no
+
+# This tells whether or not to forcibly update $(DOMAIN).pot and
+# regenerate PO files on "make dist".  Possible values are "yes" and
+# "no".  Set this to no if the POT file and PO files are maintained
+# externally.
+DIST_DEPENDS_ON_UPDATE_PO = no

po/meson.build

@@ -0,0 +1,4 @@
+i18n = import('i18n')
+i18n.gettext(meson.project_name(), preset: 'glib')
+
+po_dir = meson.current_source_dir()

src/meson.build

@@ -0,0 +1,34 @@
+pavucontrol_sources = [
+  'cardwidget.cc',
+  'channelwidget.cc',
+  'devicewidget.cc',
+  'mainwindow.cc',
+  'minimalstreamwidget.cc',
+  'pavuapplication.cc',
+  'pavucontrol.cc',
+  'rolewidget.cc',
+  'sinkinputwidget.cc',
+  'sinkwidget.cc',
+  'sourceoutputwidget.cc',
+  'sourcewidget.cc',
+  'streamwidget.cc',
+]
+
+executable('pavucontrol',
+  pavucontrol_sources,
+  install: true,
+  cpp_args: ['-DHAVE_CONFIG_H'],
+  include_directories : configinc,
+  dependencies : [gtkmm_dep, sigcpp_dep, canberragtk_dep, libpulse_dep, libpulsemlglib_dep],
+)
+
+install_data('pavucontrol.glade')
+
+desktop_file = i18n.merge_file(
+  input : 'pavucontrol.desktop.in',
+  output : 'pavucontrol.desktop',
+  po_dir : po_dir,
+  type : 'desktop',
+  install : true,
+  install_dir : join_paths(datadir, 'applications'),
+)