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[libgxps/wip/nacho/meson: 2/2] Add meson build system

commit f87c3e10e82ce76522fdd154de93e08df09a2cf6
Author: Ignacio Casal Quinteiro <qignacio amazon com>
Date:   Tue May 2 21:55:50 2017 +0200

    Add meson build system
    
    This build system will initially serve to replace the nmake
    script and later on to also replace autotools once we are
    happy with the quality.

 docs/meson.build           |    7 ++
 docs/reference/meson.build |   42 ++++++++++
 docs/tools/meson.build     |   43 ++++++++++
 libgxps/meson.build        |  109 +++++++++++++++++++++++++
 meson.build                |  194 ++++++++++++++++++++++++++++++++++++++++++++
 meson_options.txt          |    7 ++
 test/meson.build           |   11 +++
 tools/meson.build          |  100 +++++++++++++++++++++++
 8 files changed, 513 insertions(+), 0 deletions(-)
---
diff --git a/docs/meson.build b/docs/meson.build
new file mode 100644
index 0000000..67b24f6
--- /dev/null
+++ b/docs/meson.build
@@ -0,0 +1,7 @@
+if get_option('enable-gtk-doc')
+  subdir('reference')
+endif
+
+if get_option('enable-man')
+  subdir('tools')
+endif
diff --git a/docs/reference/meson.build b/docs/reference/meson.build
new file mode 100644
index 0000000..dbe6201
--- /dev/null
+++ b/docs/reference/meson.build
@@ -0,0 +1,42 @@
+version_conf = configuration_data()
+version_conf.set('PACKAGE_VERSION', meson.project_version())
+configure_file(input: 'version.xml.in',
+               output: 'version.xml',
+               configuration: version_conf)
+
+private_headers = [
+  'gxps-archive.h',
+  'gxps-brush.h',
+  'gxps-color.h',
+  'gxps-debug.h',
+  'gxps-fonts.h',
+  'gxps-glyphs.h',
+  'gxps-images.h',
+  'gxps-matrix.h',
+  'gxps-page-private.h',
+  'gxps-parse-utils.h',
+  'gxps-path.h',
+  'gxps-private.h',
+]
+
+glib_prefix = dependency('glib-2.0').get_pkgconfig_variable('prefix')
+glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
+docpath = join_paths(gxps_datadir, 'gtk-doc', 'html')
+
+gnome.gtkdoc('libgxps',
+             main_xml: 'libgxps-docs.sgml',
+             src_dir: [ join_paths(meson.source_root(), 'libgxps'), join_paths(meson.build_root(), 
'libgxps'), ],
+             dependencies: gxps_dep,
+             gobject_typesfile: 'libgxps.types',
+             scan_args: [
+               '--rebuild-types',
+               '--ignore-decorators=_GXPS_EXTERN',
+               '--ignore-headers=' + ' '.join(private_headers),
+             ],
+             fixxref_args: [
+               '--html-dir=@0@'.format(docpath),
+               '--extra-dir=@0@'.format(join_paths(glib_docpath, 'glib')),
+               '--extra-dir=@0@'.format(join_paths(glib_docpath, 'gobject')),
+               '--extra-dir=@0@'.format(join_paths(glib_docpath, 'gio')),
+             ],
+             install: true)
diff --git a/docs/tools/meson.build b/docs/tools/meson.build
new file mode 100644
index 0000000..037fb11
--- /dev/null
+++ b/docs/tools/meson.build
@@ -0,0 +1,43 @@
+xsltproc = find_program('xsltproc', required: false)
+if xsltproc.found()
+  xlstproc_flags = [
+    '--nonet',
+  ]
+
+  man_files = []
+
+  if jpeg_dep.found()
+    man_files += [ 'xpstojpeg' ]
+  endif
+
+  if cairo_pdf_dep.found()
+    man_files += [ 'xpstopdf' ]
+  endif
+
+  if png_dep.found()
+    man_files += [ 'xpstopng' ]
+  endif
+
+  if cairo_ps_dep.found()
+    man_files += [ 'xpstops' ]
+  endif
+
+  if cairo_svg_dep.found()
+    man_files += [ 'xpstosvg' ]
+  endif
+
+  foreach m: man_files
+    custom_target(m + ' man page',
+                  input: '@0@.xml'.format(m),
+                  output: '@0@.1'.format(m),
+                  command: [
+                    xsltproc,
+                    xlstproc_flags,
+                    '-o', '@OUTPUT@',
+                    'http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl',
+                    '@INPUT@',
+                  ],
+                  install: true,
+                  install_dir: join_paths(gxps_mandir, 'man1'))
+  endforeach
+endif
diff --git a/libgxps/meson.build b/libgxps/meson.build
new file mode 100644
index 0000000..9e64f06
--- /dev/null
+++ b/libgxps/meson.build
@@ -0,0 +1,109 @@
+headers = [
+  'gxps.h',
+  'gxps-core-properties.h',
+  'gxps-document.h',
+  'gxps-document-structure.h',
+  'gxps-error.h',
+  'gxps-file.h',
+  'gxps-links.h',
+  'gxps-page.h',
+]
+
+private_headers = [
+  'gxps-archive.h',
+  'gxps-brush.h',
+  'gxps-color.h',
+  'gxps-debug.h',
+  'gxps-fonts.h',
+  'gxps-glyphs.h',
+  'gxps-images.h',
+  'gxps-matrix.h',
+  'gxps-page-private.h',
+  'gxps-parse-utils.h',
+  'gxps-path.h',
+  'gxps-private.h',
+]
+
+introspection_sources = [
+  'gxps-brush.c',
+  'gxps-color.c',
+  'gxps-core-properties.c',
+  'gxps-debug.c',
+  'gxps-document.c',
+  'gxps-document-structure.c',
+  'gxps-error.c',
+  'gxps-file.c',
+  'gxps-glyphs.c',
+  'gxps-links.c',
+  'gxps-matrix.c',
+  'gxps-page.c',
+  'gxps-path.c',
+]
+
+sources = [
+  'gxps-archive.c',
+  'gxps-fonts.c',
+  'gxps-images.c',
+  'gxps-parse-utils.c',
+]
+
+sources += introspection_sources
+
+version_data = configuration_data()
+version_data.set('GXPS_MAJOR_VERSION', gxps_major_version)
+version_data.set('GXPS_MINOR_VERSION', gxps_minor_version)
+version_data.set('GXPS_MICRO_VERSION', gxps_micro_version)
+version_data.set('PACKAGE_VERSION', meson.project_version())
+
+gxps_version_h = configure_file(input: 'gxps-version.h.in',
+                                output: 'gxps-version.h',
+                                install_dir: gxps_headers_installdir,
+                                install: true,
+                                configuration: version_data)
+
+install_headers(headers, subdir: 'libgxps')
+
+gxps_deps = [ glib_dep, gobject_dep, gio_dep, cairo_dep, cairo_pdf_dep, cairo_ps_dep, cairo_svg_dep, 
archive_dep, freetype_dep, png_dep, lcms2_dep, jpeg_dep, tiff_dep, libm_dep ]
+
+common_ldflags = []
+
+if host_system == 'linux'
+  common_ldflags = [ '-Wl,-Bsymbolic' ]
+endif
+
+gxps = shared_library('gxps',
+                      include_directories: core_inc,
+                      sources: sources + headers + private_headers + [ gxps_version_h ],
+                      version: libversion,
+                      soversion: soversion,
+                      install: true,
+                      dependencies: gxps_deps,
+                      c_args: extra_args + common_flags + [ 
+                        '-DG_LOG_DOMAIN="GXPS"',
+                        '-DGXPS_COMPILATION',
+                      ],
+                      link_args: common_ldflags)
+
+# Internal dependency, for tests
+gxps_inc = include_directories([ '.' ])
+gxps_dep = declare_dependency(link_with: gxps,
+                              include_directories: [ gxps_inc, core_inc ],
+                              dependencies: gxps_deps)
+
+if build_gir
+  gir_extra_args = [
+    '--identifier-prefix=GXPS',
+    '--c-include=gxps.h'
+  ]
+  gnome.generate_gir(gxps,
+                     sources: introspection_sources + headers + [ gxps_version_h ],
+                     namespace: 'Gxps',
+                     nsversion: apiversion,
+                     identifier_prefix: 'Gxps',
+                     symbol_prefix: 'gxps',
+                     includes: [ 'GObject-2.0', 'GLib-2.0', 'Gio-2.0', 'cairo-1.0' ],
+                     install: true,
+                     extra_args: gir_extra_args + [
+                       '-DGXPS_COMPILATION',
+                     ])
+endif
diff --git a/meson.build b/meson.build
new file mode 100644
index 0000000..9e3cf2f
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,194 @@
+project('libgxps', 'c',
+        version: '0.2.5',
+        default_options: [
+          'buildtype=debugoptimized'
+        ],
+        license: 'LGPL2+',
+        meson_version: '>= 0.36.0')
+
+gxps_version = meson.project_version()
+version_array = gxps_version.split('.')
+gxps_major_version = version_array[0].to_int()
+gxps_minor_version = version_array[1].to_int()
+gxps_micro_version = version_array[2].to_int()
+
+apiversion = '1.0'
+
+# The interface age is reset every time we add new API; this
+# should only happen during development cycles, otherwise the
+# interface age is the same as the micro version
+if gxps_minor_version.is_odd()
+  gxps_interface_age = 0
+else
+  gxps_interface_age = gxps_micro_version
+endif
+
+soversion = 0
+# maintaining compatibility with the previous libtool versioning
+# current = minor * 100 + micro - interface
+# revision = interface
+current = gxps_minor_version * 100 + gxps_micro_version - gxps_interface_age
+revision = gxps_interface_age
+libversion = '@0@.@1@.@2@'.format(soversion, current, revision)
+
+gxps_prefix = get_option('prefix')
+gxps_libdir = join_paths(gxps_prefix, get_option('libdir'))
+gxps_includedir = join_paths(gxps_prefix, get_option('includedir'))
+gxps_headers_installdir = join_paths(gxps_includedir, 'libgxps')
+gxps_datadir = join_paths(gxps_prefix, get_option('datadir'))
+gxps_mandir = join_paths(get_option('prefix'), get_option('mandir'))
+
+cc = meson.get_compiler('c')
+host_system = host_machine.system()
+
+add_project_arguments('-DHAVE_CONFIG_H', language: 'c')
+
+conf = configuration_data()
+
+# Compat variables for pkgconfig
+conf.set('prefix', gxps_prefix)
+conf.set('exec_prefix', gxps_prefix)
+conf.set('libdir', gxps_libdir)
+conf.set('includedir', gxps_includedir)
+
+# Version macros
+conf.set('VERSION', gxps_version)
+
+# Compiler flags
+if cc.get_id() == 'msvc'
+  # Make MSVC more pedantic, this is a recommended pragma list
+  # from _Win32_Programming_ by Rector and Newcomer.  Taken from
+  # glib's msvc_recommended_pragmas.h--please see that file for
+  # the meaning of the warning codes used here
+  test_cflags = [
+    '-we4002', # too many actual parameters for macro
+    '-we4003', # not enough actual parameters for macro
+    '-w14010', # single-line comment contains line-continuation character
+    '-we4013', # 'function' undefined; assuming extern returning int
+    '-w14016', # no function return type; using int as default
+    '-we4020', # too many actual parameters
+    '-we4021', # too few actual parameters
+    '-we4027', # function declared without formal parameter list
+    '-we4029', # declared formal parameter list different from definition
+    '-we4033', # 'function' must return a value
+    '-we4035', # 'function' : no return value
+    '-we4045', # array bounds overflow
+    '-we4047', # different levels of indirection
+    '-we4049', # terminating line number emission
+    '-we4053', # an expression of type void was used as an operand
+    '-we4071', # no function prototype given
+    '-we4819', # the file contains a character that cannot be represented in the current code page
+  ]
+elif cc.get_id() == 'gcc' or cc.get_id() == 'clang'
+  test_cflags = [
+    '-Wpointer-arith',
+    '-Wmissing-declarations',
+    '-Wformat=2',
+    '-Wstrict-prototypes',
+    '-Wmissing-prototypes',
+    '-Wnested-externs',
+    '-Wold-style-definition',
+    '-Wdeclaration-after-statement',
+    '-Wunused',
+    '-Wno-uninitialized',
+    '-Wshadow',
+    '-Wcast-align',
+    '-Wmissing-noreturn',
+    '-Wmissing-format-attribute',
+    '-Wlogical-op',
+    '-Wno-discarded-qualifiers',
+    '-Werror=implicit',
+    '-Werror=nonnull',
+    '-Werror=init-self',
+    '-Werror=main',
+    '-Werror=missing-braces',
+    '-Werror=sequence-point',
+    '-Werror=return-type',
+    '-Werror=trigraphs',
+    '-Werror=array-bounds',
+    '-Werror=write-strings',
+    '-Werror=address',
+    '-Werror=int-to-pointer-cast',
+    '-Werror=pointer-to-int-cast',
+    '-fno-strict-aliasing',
+    '-Wno-int-conversion',
+  ]
+else
+  test_cflags = []
+endif
+common_flags = []
+foreach cflag: test_cflags
+  if cc.has_argument(cflag)
+    common_flags += [ cflag ]
+  endif
+endforeach
+
+extra_args= []
+
+cdata = configuration_data()
+
+if host_system == 'windows'
+  if cc.get_id() == 'msvc'
+    cdata.set('_GXPS_EXTERN', '__declspec(dllexport) extern')
+  else
+    cdata.set('_GXPS_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
+    extra_args += ['-fvisibility=hidden']
+  endif
+else
+  cdata.set('_GXPS_EXTERN', '__attribute__((visibility("default"))) extern')
+  extra_args += ['-fvisibility=hidden']
+endif
+
+core_inc = include_directories('.')
+
+# Required dependencies
+glib_req = '2.36.0'
+cairo_req = '1.10.0'
+archive_req = '2.8.0'
+
+glib_dep = dependency('glib-2.0', version: '>=' + glib_req)
+gobject_dep = dependency('gobject-2.0', version: '>=' + glib_req)
+gio_dep = dependency('gio-2.0', version: '>=' + glib_req)
+cairo_dep = dependency('cairo', version: '>=' + cairo_req)
+cairo_pdf_dep = dependency('cairo-pdf', version: '>=' + cairo_req, required: false)
+cairo_ps_dep = dependency('cairo-ps', version: '>=' + cairo_req, required: false)
+cairo_svg_dep = dependency('cairo-svg', version: '>=' + cairo_req, required: false)
+archive_dep = dependency('libarchive', version: '>=' + archive_req)
+freetype_dep = dependency('freetype2')
+png_dep = dependency('libpng', required: false)
+lcms2_dep = dependency('lcms2', required: get_option('with-liblcms2'))
+jpeg_dep = dependency('libjpeg', required: get_option('with-libjpeg'))
+tiff_dep = dependency('libtiff-4', required: get_option('with-libtiff'))
+
+cdata.set('HAVE_CAIRO_PDF', cairo_pdf_dep.found())
+cdata.set('HAVE_CAIRO_PS', cairo_ps_dep.found())
+cdata.set('HAVE_CAIRO_SVG', cairo_svg_dep.found())
+cdata.set('HAVE_LIBPNG', png_dep.found())
+cdata.set('HAVE_LIBLCMS2', lcms2_dep.found())
+cdata.set('HAVE_LIBJPEG', jpeg_dep.found())
+cdata.set('HAVE_LIBTIFF', tiff_dep.found())
+
+# Maths functions might be implemented in libm
+libm_dep = cc.find_library('m')
+
+gnome = import('gnome')
+gir = find_program('g-ir-scanner', required: false)
+build_gir = gir.found() and not meson.is_cross_build() and not get_option('disable-introspection')
+
+configure_file(output: 'config.h', configuration: cdata)
+
+# Generate the pkg-config files
+configure_file(input: 'libgxps.pc.in',
+               output: 'libgxps.pc',
+               configuration: conf,
+               install: true,
+               install_dir: join_paths(gxps_libdir, 'pkgconfig'))
+
+subdir('libgxps')
+subdir('tools')
+subdir('docs')
+
+if get_option('enable-test')
+  gtk3_dep = dependency('gtk+-3.0')
+  subdir('test')
+endif
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000..7c81612
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,7 @@
+option('enable-test', type: 'boolean', value: true, description: 'Compile test application')
+option('enable-gtk-doc', type: 'boolean', value: false, description: 'Enable generating the API reference 
(depends on GTK-Doc)')
+option('enable-man', type: 'boolean', value: false, description: 'Whether to generate the man pages for 
libgxps tools')
+option('disable-introspection', type: 'boolean', value: false, description: 'Whether to disable the 
introspection generation')
+option('with-liblcms2', type: 'boolean', value: true, description: 'With Little CMS 2')
+option('with-libjpeg', type: 'boolean', value: true, description: 'With libjpeg')
+option('with-libtiff', type: 'boolean', value: true, description: 'With libtiff')
diff --git a/test/meson.build b/test/meson.build
new file mode 100644
index 0000000..4dbaf06
--- /dev/null
+++ b/test/meson.build
@@ -0,0 +1,11 @@
+test_programs = [
+  'test-gxps',
+]
+
+foreach test_program: test_programs
+  executable(test_program, test_program + '.c',
+             dependencies: [ gxps_dep, gtk3_dep ],
+             include_directories: gxps_inc)
+endforeach
+
+
diff --git a/tools/meson.build b/tools/meson.build
new file mode 100644
index 0000000..3f0aec7
--- /dev/null
+++ b/tools/meson.build
@@ -0,0 +1,100 @@
+tools_sources = [
+  'gxps-converter.c',
+  'gxps-converter.h',
+  'gxps-image-converter.c',
+  'gxps-image-converter.h',
+  'gxps-image-writer.c',
+  'gxps-image-writer.h',
+  'gxps-print-converter.c',
+  'gxps-print-converter.h',
+]
+
+gxps_tools_deps = [ glib_dep, gobject_dep, gio_dep, cairo_dep, cairo_pdf_dep, cairo_ps_dep, cairo_svg_dep, 
archive_dep, freetype_dep, png_dep, lcms2_dep, jpeg_dep, tiff_dep, libm_dep, gxps_dep ]
+
+gxps_tools = static_library('gxpstools',
+                            include_directories: core_inc,
+                            sources: tools_sources,
+                            install: false,
+                            dependencies: gxps_tools_deps)
+
+gxps_tools_dep = declare_dependency(link_with: gxps_tools,
+                                    dependencies: gxps_tools_deps)
+
+if png_dep.found()
+  xpstopng_sources = [
+    'gxps-converter-main.c',
+    'gxps-png-converter.c',
+    'gxps-png-converter.h',
+    'gxps-png-writer.c',
+    'gxps-png-writer.h',
+  ]
+
+  executable('xpstopng', xpstopng_sources,
+             dependencies: gxps_tools_dep,
+             c_args: [
+               '-DCONVERTER_TYPE=GXPS_TYPE_PNG_CONVERTER',
+               '-DCONVERTER_HEADER=gxps-png-converter.h',
+             ])
+endif
+
+if jpeg_dep.found()
+  xpstojpeg_sources = [
+    'gxps-converter-main.c',
+    'gxps-jpeg-converter.c',
+    'gxps-jpeg-converter.h',
+    'gxps-jpeg-writer.c',
+    'gxps-jpeg-writer.h',
+  ]
+
+  executable('xpstojpeg', xpstojpeg_sources,
+             dependencies: gxps_tools_dep,
+             c_args: [
+               '-DCONVERTER_TYPE=GXPS_TYPE_JPEG_CONVERTER',
+               '-DCONVERTER_HEADER=gxps-jpeg-converter.h',
+             ])
+endif
+
+if cairo_pdf_dep.found()
+  xpstopdf_sources = [
+    'gxps-converter-main.c',
+    'gxps-pdf-converter.c',
+    'gxps-pdf-converter.h',
+  ]
+
+  executable('xpstopdf', xpstopdf_sources,
+             dependencies: gxps_tools_dep,
+             c_args: [
+               '-DCONVERTER_TYPE=GXPS_TYPE_PDF_CONVERTER',
+               '-DCONVERTER_HEADER=gxps-pdf-converter.h',
+             ])
+endif
+
+if cairo_ps_dep.found()
+  xpstops_sources = [
+    'gxps-converter-main.c',
+    'gxps-ps-converter.c',
+    'gxps-ps-converter.h',
+  ]
+
+  executable('xpstops', xpstops_sources,
+             dependencies: gxps_tools_dep,
+             c_args: [
+               '-DCONVERTER_TYPE=GXPS_TYPE_PS_CONVERTER',
+               '-DCONVERTER_HEADER=gxps-ps-converter.h',
+             ])
+endif
+
+if cairo_svg_dep.found()
+  xpstosvg_sources = [
+    'gxps-converter-main.c',
+    'gxps-svg-converter.c',
+    'gxps-svg-converter.h',
+  ]
+
+  executable('xpstosvg', xpstosvg_sources,
+             dependencies: gxps_tools_dep,
+             c_args: [
+               '-DCONVERTER_TYPE=GXPS_TYPE_SVG_CONVERTER',
+               '-DCONVERTER_HEADER=gxps-svg-converter.h',
+             ])
+endif
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