build: Port to meson build system

meson is a build system focused on speed an ease of use, which
helps speeding up the software development. This patch adds meson
support along autotools.

https://bugzilla.gnome.org/show_bug.cgi?id=784354

Makefile.am

@@ -12,6 +12,10 @@ EXTRA_DIST = 			\
 	ChangeLog-2.6		\
 	ChangeLog-2.18		\
 	ChangeLog.pre-git	\
+	meson.build		\
+	meson_options.txt	\
+	meson_post_install.py	\
+	po/meson.build		\
 	tests
 
 DISTCLEANFILES =

data/Makefile.am

@@ -47,7 +47,8 @@ EXTRA_DIST =			\
 	popup-menus.ui		\
 	$(DESKTOP_IN_FILES)	\
 	$(appdata_in_files)	\
-	eog.convert
+	eog.convert		\
+	meson.build
 
 CLEANFILES = 			\
         $(DESKTOP_FILES)        \

data/icons/Makefile.am

 SUBDIRS = 16x16 22x22 24x24 32x32 48x48 256x256 scalable
 
+EXTRA_DIST = meson.build
+
 gtk_update_icon_cache = gtk-update-icon-cache -f -t $(datadir)/icons/hicolor
 
 install-data-hook: update-icon-cache

data/icons/meson.build

+icon_sizes = [
+  '16x16',
+  '22x22',
+  '24x24',
+  '32x32',
+  '256x256'
+]
+
+foreach icon_size: icon_sizes
+  install_subdir(
+    join_paths(icon_size, 'apps'),
+    install_dir: join_paths(eog_datadir, 'icons', 'hicolor', icon_size)
+  )
+endforeach
+
+install_data(
+  'scalable/apps/eog-symbolic.svg',
+  install_dir: join_paths(eog_datadir, 'icons', 'hicolor', 'scalable', 'apps')
+)
+
+icon_sizes = [
+  ['16x16', ['slideshow-play.png', 'eog-plugin.png']],
+  ['22x22', ['slideshow-play.png', 'eog-plugin.png']],
+  ['24x24', ['slideshow-play.png']],
+  ['32x32', ['slideshow-play.png', 'eog-plugin.png']],
+  ['48x48', ['slideshow-play.png']]
+]
+
+foreach icon_size: icon_sizes
+  actions_icons = []
+  foreach file: icon_size[1]
+    actions_icons += files(join_paths(icon_size[0], 'actions', file))
+  endforeach
+
+  install_data(
+    actions_icons,
+    install_dir: join_paths(eog_pkgdatadir, 'icons', 'hicolor', icon_size[0], 'actions')
+  )
+endforeach
+
+install_subdir(
+  'scalable/actions',
+  install_dir: join_paths(eog_pkgdatadir, 'icons', 'hicolor', 'scalable')
+)

data/meson.build

+subdir('icons')
+
+resource_data = files(
+  'pixmaps/thumbnail-frame.png',
+  'eog-app-menu.ui',
+  'eog-gear-menu.ui',
+  'eog-image-properties-dialog.ui',
+  'eog-multiple-save-as-dialog.ui',
+  'eog-preferences-dialog.ui',
+  'eog-zoom-entry.ui',
+  'eog.css',
+  'fullscreen-toolbar.ui',
+  'help-overlay.ui',
+  'metadata-sidebar.ui',
+  'popup-menus.ui'
+)
+
+desktop_conf = configuration_data()
+desktop_conf.set('VERSION', eog_version)
+
+desktop = 'eog.desktop'
+
+desktop_in = configure_file(
+  input: desktop + '.in.in',
+  output: desktop + '.in',
+  configuration: desktop_conf
+)
+
+i18n.merge_file(
+  desktop,
+  type: 'desktop',
+  input: desktop_in,
+  output: desktop,
+  po_dir: po_dir,
+  install: true,
+  install_dir: join_paths(eog_datadir, 'applications')
+)
+
+appdata = 'eog.appdata.xml'
+
+i18n.merge_file(
+  appdata,
+  input: appdata + '.in',
+  output: appdata,
+  po_dir: po_dir,
+  install: true,
+  install_dir: join_paths(eog_datadir, 'metainfo')
+)
+
+schema_conf = configuration_data()
+schema_conf.set('GETTEXT_PACKAGE', meson.project_name())
+
+schema = 'org.gnome.eog.gschema.xml'
+
+configure_file(
+  input: schema + '.in',
+  output: schema,
+  install: true,
+  install_dir: eog_schemadir,
+  configuration: schema_conf
+)
+
+install_data(
+  'eog.convert',
+  install_dir: join_paths(eog_datadir, 'GConf', 'gsettings')
+)

doc/reference/Makefile.am

@@ -126,7 +126,8 @@ include $(top_srcdir)/gtk-doc.make
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
 EXTRA_DIST += version.xml.in \
-	      $(DOC_MODULE)-docs.xml.in
+	      $(DOC_MODULE)-docs.xml.in \
+	      meson.build
 
 # Files not to distribute
 # for --rebuild-types in $(SCAN_OPTIONS), e.g. $(DOC_MODULE).types

doc/reference/eog-docs.xml

+<?xml version="1.0"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
+               "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
+<!ENTITY version SYSTEM "version.xml">
+]>
+<book id="index" xmlns:xi="http://www.w3.org/2003/XInclude">
+  <bookinfo>
+    <title>Eye of GNOME Reference Manual</title>
+    <releaseinfo>
+      for Eye of GNOME &version;
+    </releaseinfo>
+  </bookinfo>
+
+  <reference>
+    <title>API Reference</title>
+    <chapter>
+      <title>User Interface</title>
+      <xi:include href="xml/eog-properties-dialog.xml"/>
+      <xi:include href="xml/eog-list-store.xml"/>
+      <xi:include href="xml/eog-file-chooser.xml"/>
+      <xi:include href="xml/eog-thumb-nav.xml"/>
+      <xi:include href="xml/eog-thumb-view.xml"/>
+      <xi:include href="xml/eog-scroll-view.xml"/>
+      <xi:include href="xml/eog-window.xml"/>
+      <xi:include href="xml/eog-window-activatable.xml"/>
+      <xi:include href="xml/eog-statusbar.xml"/>
+      <xi:include href="xml/eog-sidebar.xml"/>
+      <xi:include href="xml/eog-thumbnail.xml"/>
+      <xi:include href="xml/eog-save-as-dialog-helper.xml"/>
+      <xi:include href="xml/eog-error-message-area.xml"/>
+    </chapter>
+
+    <chapter>
+      <title>Image data and manipulation</title>
+      <xi:include href="xml/eog-image.xml"/>
+      <xi:include href="xml/eog-image-save-info.xml"/>
+      <xi:include href="xml/eog-transform.xml"/>
+      <xi:include href="xml/eog-clipboard-handler.xml"/>
+    </chapter>
+
+    <chapter>
+      <title>Printing</title>
+      <xi:include href="xml/eog-print.xml"/>
+    </chapter>
+
+    <chapter>
+      <title>Application and configuration</title>
+      <xi:include href="xml/eog-application.xml"/>
+      <xi:include href="xml/eog-session.xml"/>
+      <xi:include href="xml/eog-config-keys.xml"/>
+    </chapter>
+
+    <!--<chapter>
+      <title>Plugins</title>
+      <xi:include href="xml/eog-plugin-engine.xml"/>
+    </chapter>-->
+
+    <chapter>
+      <title>Utilities</title>
+      <xi:include href="xml/eog-debug.xml"/>
+      <xi:include href="xml/eog-uri-converter.xml"/>
+      <xi:include href="xml/eog-util.xml"/>
+      <!--
+      <xi:include href="xml/eog-exif-util.xml"/>
+      -->
+      <xi:include href="xml/eog-pixbuf-util.xml"/>
+      <xi:include href="xml/zoom.xml"/>
+    </chapter>
+
+    <chapter>
+      <title>Asynchronous jobs</title>
+      <xi:include href="xml/eog-jobs.xml"/>
+      <xi:include href="xml/eog-job-scheduler.xml"/>
+    </chapter>
+  </reference>
+
+  <part>
+    <title>Appendix</title>
+    <index id="api-index">
+      <title>API Index</title>
+      <xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include>
+    </index>
+    <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>
+  </part>
+</book>

doc/reference/meson.build

+private_headers = [
+  'eog-application-service.h',
+  'eog-close-confirmation-dialog.h',
+  'eog-enum-types.h',
+  'eog-image-private.h',
+  'eog-image-jpeg.h',
+  'eog-marshal.h',
+  'eog-metadata-details.h',
+  'eog-metadata-reader.h',
+  'eog-metadata-reader-jpg.h',
+  'eog-metadata-reader-png.h',
+  'eog-metadata-sidebar.h',
+  'eog-module.h',
+  'eog-plugin-engine.h',
+  'eog-preferences-dialog.h',
+  'eog-print-image-setup.h',
+  'eog-print-preview.h'
+]
+
+if not have_exif
+  private_headers += 'eog-exif-util.h'
+endif
+
+version_conf = configuration_data()
+version_conf.set('VERSION', eog_version)
+
+version_xml = 'version.xml'
+
+configure_file(
+  input: version_xml + '.in',
+  output: version_xml,
+  configuration: version_conf
+)
+
+# FIXME: gtkdoc is not able to get a configure_object as main_xml file.
+#        https://github.com/mesonbuild/meson/issues/2271
+#        https://github.com/mesonbuild/meson/issues/1875
+#        https://github.com/mesonbuild/meson/issues/550
+'''
+# Build EXIF-related documentation if we really have support for it
+doc_conf = configuration_data()
+if have_exif or have_exempi
+  doc_conf.set('EOG_DOC_EXIF_START', '')
+  doc_conf.set('EOG_DOC_EXIF_STOP', '')
+else
+  doc_conf.set('EOG_DOC_EXIF_START', '<!--')
+  doc_conf.set('EOG_DOC_EXIF_STOP', '-->')
+endif
+
+docs_xml = meson.project_name() + '-docs.xml'
+
+main_xml = configure_file(
+  input: docs_xml + '.in',
+  output: docs_xml,
+  configuration: doc_conf
+)
+'''
+
+doc_path = join_paths(eog_datadir, 'gtk-doc', 'html', meson.project_name())
+
+gnome.gtkdoc(
+  meson.project_name(),
+  main_xml: meson.project_name() + '-docs.xml',
+  src_dir: src_inc,
+  dependencies: libeog_dep,
+  scan_args: [
+    '--rebuild-types',
+    '--ignore-headers=' + ' '.join(private_headers),
+  ],
+  gobject_typesfile: meson.project_name() + '.types',
+  install: true,
+  install_dir: doc_path
+)

help/LINGUAS

+# please keep this list sorted alphabetically
+ar
+ca
+cs
+da
+de
+el
+en_GB
+es
+eu
+fi
+fr
+gl
+hu
+it
+ja
+ko
+lv
+oc
+pa
+pl
+pt_BR
+ro
+ru
+sl
+sv
+te
+th
+uk
+zh_CN
+zh_TW

help/Makefile.am

+EXTRA_DIST = meson.build
+
 @YELP_HELP_RULES@
 
 HELP_ID = eog

help/meson.build

+sources = [
+  'bug-filing.page',
+  'commandline.page',
+  'copy-paste.page',
+  'default.page',
+  'desktop-background.page',
+  'develop.page',
+  'documentation.page',
+  'edit.page',
+  'flip-rotate.page',
+  'format-change.page',
+  'formats-save.page',
+  'formats-view.page',
+  'index.page',
+  'introduction.page',
+  'legal.xml',
+  'license.page',
+  'open.page',
+  'plugin-exif-digital.page',
+  'plugin-fullscreen-background.page',
+  'plugin-fullscreen-double-click.page',
+  'plugin-picasa.page',
+  'plugin-python-console.page',
+  'plugin-send-by-mail.page',
+  'plugin-slideshow-shuffle.page',
+  'plugins.page',
+  'plugin-zoom-width.page',
+  'preferences.page',
+  'print.page',
+  'rename-multiple.page',
+  'shortcuts.page',
+  'slideshow.page',
+  'translate.page',
+  'view.page',
+  'zoom.page'
+]
+
+media = [
+  'figures/eog-logo.png',
+  'figures/eog-trail.png',
+  'figures/image-view-prefs.png',
+  'figures/multiple-convert.png',
+  'figures/multiple-rename-count.png',
+  'figures/plugins-all.png',
+  'figures/plugin-send-by-mail.png',
+  'figures/prefs-plugins-date.png',
+  'figures/prefs-plugins-fullscreen.png',
+  'figures/prefs-plugins.png',
+  'figures/slideshow-prefs.png'
+]
+
+gnome.yelp(
+  meson.project_name(),
+  sources: sources,
+  media: media,
+  symlink_media: true
+)

jpegutils/Makefile.am

@@ -18,6 +18,9 @@ libeog_jpegutils_la_SOURCES +=		\
 	transupp-6b.h
 endif
 
-EXTRA_DIST = README.6b README.8a
+EXTRA_DIST = \
+	README.6b	\
+	README.8a	\
+	meson.build
 
 -include $(top_srcdir)/git.mk

jpegutils/meson.build

+if have_jpeg_80
+  sources = files('transupp-8a.c')
+else
+  sources = files('transupp-6b.c')
+endif
+
+libjpegutils = static_library(
+  'eog-jpegutils',
+  sources: sources,
+  include_directories: top_inc
+)
+
+jpeg_deps += declare_dependency(
+  link_with: libjpegutils,
+  include_directories: include_directories('.')
+)

meson.build

+project(
+  'eog', 'c',
+  version: '3.27.1',
+  license: 'GPL2+',
+  default_options: 'buildtype=debugoptimized',
+  meson_version: '>= 0.43.0'
+)
+
+eog_version = meson.project_version()
+version_array = eog_version.split('.')
+eog_major_version = version_array[0].to_int()
+eog_minor_version = version_array[1].to_int()
+eog_micro_version = version_array[2].to_int()
+
+eog_api_version = '@0@.0'.format(eog_major_version)
+eog_api_name = '@0@-@1@'.format(meson.project_name(), eog_api_version)
+
+eog_gir_ns = 'Eog'
+eog_gir_version = '1.0'
+
+eog_prefix = get_option('prefix')
+eog_bindir = join_paths(eog_prefix, get_option('bindir'))
+eog_datadir = join_paths(eog_prefix, get_option('datadir'))
+eog_includedir = join_paths(eog_prefix, get_option('includedir'))
+eog_libdir = join_paths(eog_prefix, get_option('libdir'))
+eog_libexecdir = join_paths(eog_prefix, get_option('libexecdir'))
+eog_localedir = join_paths(eog_prefix, get_option('localedir'))
+
+eog_pkgdatadir = join_paths(eog_datadir, meson.project_name())
+eog_pkglibdir = join_paths(eog_libdir, meson.project_name())
+eog_pkglibexecdir = join_paths(eog_libexecdir, meson.project_name())
+
+eog_pluginsdir = join_paths(eog_pkglibdir, 'plugins')
+eog_schemadir = join_paths(eog_datadir, 'glib-2.0', 'schemas')
+
+eog_debug = get_option('buildtype').contains('debug')
+
+cc = meson.get_compiler('c')
+
+config_h = configuration_data()
+
+# defines
+set_defines = [
+  # package
+  ['PACKAGE', meson.project_name()],
+  ['PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=' + meson.project_name()],
+  ['PACKAGE_URL', 'https://wiki.gnome.org/Apps/EyeOfGnome'],
+  ['VERSION', eog_version],
+  # i18n
+  ['GETTEXT_PACKAGE', meson.project_name()]
+]
+
+foreach define: set_defines
+  config_h.set_quoted(define[0], define[1])
+endforeach
+
+# support for nl_langinfo (_NL_MEASUREMENT_MEASUREMENT) (optional)
+langinfo_measurement_src = '''
+  #include <langinfo.h>
+  int main() {
+    char c;
+    c = *((unsigned char *)  nl_langinfo(_NL_MEASUREMENT_MEASUREMENT));
+  };
+'''
+config_h.set('HAVE__NL_MEASUREMENT_MEASUREMENT', cc.compiles(langinfo_measurement_src),
+             description: 'Define if _NL_MEASUREMENT_MEASUREMENT is available')
+
+# support for strptime
+config_h.set('HAVE_STRPTIME', cc.has_function('strptime'))
+
+# compiler flags
+common_flags = ['-DHAVE_CONFIG_H']
+
+compiler_flags = []
+if eog_debug
+  test_cflags = [
+    '-Werror=format=2',
+    '-Werror=implicit-function-declaration',
+    '-Werror=init-self',
+    '-Werror=missing-include-dirs',
+    '-Werror=missing-prototypes',
+    '-Werror=pointer-arith',
+    '-Werror=return-type',
+    '-Wnested-externs',
+    '-Wstrict-prototypes'
+  ]
+
+  compiler_flags += cc.get_supported_arguments(test_cflags)
+endif
+
+add_project_arguments(common_flags + compiler_flags, language: 'c')
+
+ldflag = '-Wl,--version-script'
+have_version_script = host_machine.system().contains('linux') and cc.has_argument(ldflag)
+
+glib_req_version = '>= 2.53.4'
+peas_req_version = '>= 0.7.4'
+
+eog_deps = [
+  dependency('gtk+-3.0', version: '>= 3.22.0'),
+  dependency('glib-2.0', version: glib_req_version),
+  dependency('gio-2.0', version: glib_req_version),
+  dependency('gio-unix-2.0', version: glib_req_version),
+  dependency('gnome-desktop-3.0', version: '>= 2.91.2'),
+  dependency('gdk-pixbuf-2.0', version: '>= 2.36.5'),
+  dependency('gtk+-unix-print-3.0', version: '>= 3.5.4'),
+  dependency('shared-mime-info', version: '>= 0.20'),
+  dependency('gsettings-desktop-schemas', version: '>= 2.91.92'),
+  dependency('libpeas-1.0', version: peas_req_version),
+  dependency('libpeas-gtk-1.0', version: peas_req_version),
+  cc.find_library('m')
+]
+
+# ZLIB support (required)
+have_zlib = false
+if cc.has_header('zlib.h')
+  zlib_dep = cc.find_library('z', required: false)
+  have_zlib =  zlib_dep.found() and (cc.has_function('inflate', dependencies: zlib_dep) or cc.has_function('crc32', dependencies: zlib_dep))
+
+  if have_zlib
+    eog_deps += zlib_dep
+  endif
+endif
+assert(have_zlib, 'No sufficient zlib library found on your system')
+
+# EXIF (optional)
+have_exif = false
+if get_option('libexif')
+  libexif_dep = dependency('libexif', version: '>= 0.6.14', required: false)
+  have_exif = libexif_dep.found() and cc.has_header('libexif/exif-data.h', dependencies: libexif_dep)
+
+  if have_exif
+    eog_deps += libexif_dep
+    config_h.set10('HAVE_EXIF', true,
+                   description: 'EXIF Support.')
+  endif
+endif
+
+# Little CMS (optional)
+have_lcms = false
+if get_option('cms')
+  libcms_dep = dependency('lcms2', required: false)
+  have_lcms = libcms_dep.found()
+
+  if have_lcms
+    eog_deps += libcms_dep
+    config_h.set10('HAVE_LCMS', true,
+                   description: 'Little CMS Support.')
+  endif
+endif
+
+# Exempi (optional)
+have_exempi = false
+if get_option('xmp')
+  libexempi_dep = dependency('exempi-2.0', version: '>= 1.99.5', required: false)
+  have_exempi = libexempi_dep.found()
+
+  if have_exempi
+    eog_deps += libexempi_dep
+    config_h.set10('HAVE_EXEMPI', true,
+                   description: 'XMP Support.')
+  endif
+endif
+
+# Jpeg (semi-optional)
+jpeg_deps = []
+
+have_jpeg = false
+have_jpeg_80 = false
+
+if get_option('libjpeg')
+  libjpeg_dep = dependency('libjpeg', required: false)
+  if libjpeg_dep.found()
+    have_jpeg = cc.has_function('jpeg_destroy_decompress', dependencies: libjpeg_dep) and cc.has_header('jpeglib.h', dependencies: libjpeg_dep)
+
+    if have_jpeg
+      jpeg_deps += libjpeg_dep
+
+      have_progressive = cc.has_function('jpeg_simple_progression', dependencies: libjpeg_dep)
+      if not have_progressive
+        message('JPEG library does not support progressive saving.')
+      endif
+
+      message('Checking libjpeg version is 8 or greater')
+      jpeg_80_check_src = '''
+        #include <stdio.h>
+        #include <jpeglib.h>
+        #if JPEG_LIB_VERSION < 80
+        #error "wrong version"
+        #endif
+      '''
+      have_jpeg_80 = cc.compiles(jpeg_80_check_src, dependencies: libjpeg_dep)
+    else
+      error_msg = '*** JPEG loader will not be built (JPEG header file not found) ***\n'
+    endif
+  else
+    error_msg = '*** JPEG loader will not be built (JPEG library not found) ***\n'
+  endif
+
+  if not have_jpeg
+    error_msg += '*** You can build without it by passing -Dlibjpeg=false to\n'
+    error_msg += '*** meson but some programs using GTK+ may not work properly\n'
+    error(error_msg)
+  endif
+
+  config_h.set10('HAVE_JPEG', true,
+                 description: 'Jpeg Support.')
+endif
+config_h.set('HAVE_LIBJPEG', have_jpeg,
+             description: 'libjpeg is Present.')
+
+# introspection support
+have_gir = false
+if get_option('introspection')
+  gir_dep = dependency('gobject-introspection-1.0', version: '>= 0.6.7', required: false)
+  have_gir = gir_dep.found()
+
+  if have_gir
+    eog_deps += gir_dep
+  endif
+endif
+config_h.set('HAVE_INTROSPECTION', have_gir)
+
+# RSVG (optional for scaling svg image)
+have_rsvg = false
+if get_option('librsvg')
+  librsvg_dep = dependency('librsvg-2.0', version: '>= 2.36.2', required: false)
+  have_rsvg = librsvg_dep.found()
+
+  if have_rsvg
+    eog_deps += librsvg_dep
+  endif
+endif
+config_h.set('HAVE_RSVG', have_rsvg,
+             description: 'RSVG Support.')
+