[pango/matthiasc/for-master] pango-segmentation: Fixes

[Matthias Clasen <matthiasc src gnome org>]

commit 5df00b86e178c1c66049f1b482451df53e656997
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 23 12:30:43 2021 -0400

    pango-segmentation: Fixes
    
    Only build pango-segmentation if we have cairo.
    And add --version here too.

 utils/meson.build          | 21 +++++++++++++++++----
 utils/pango-segmentation.c | 14 ++++++++++++--
 2 files changed, 29 insertions(+), 6 deletions(-)
---
diff --git a/utils/meson.build b/utils/meson.build
index 74d8668b..6d06dbec 100644
--- a/utils/meson.build
+++ b/utils/meson.build
@@ -79,11 +79,24 @@ if cairo_dep.found()
                            '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
                           ])
 
+  pango_segmentation_sources = [
+    'pango-segmentation.c',
+  ]
+
+  pango_segmentation_deps = [
+    pango_deps,
+    libpango_dep,
+    libpangocairo_dep
+  ]
+
   pango_segmentation = executable('pango-segmentation',
-                                  'pango-segmentation.c',
-                                  dependencies: [ libpango_dep, libpangocairo_dep ],
+                                  pango_segmentation_sources,
+                                  dependencies: pango_segmentation_deps,
                                   include_directories: [ root_inc ],
-                                  install: false,
-                                  )
+                                  install: true,
+                                  c_args: [
+                                   '-DPACKAGE_NAME="@0@"'.format(meson.project_name()),
+                                   '-DPACKAGE_VERSION="@0@"'.format(meson.project_version()),
+                                  ])
 
 endif
diff --git a/utils/pango-segmentation.c b/utils/pango-segmentation.c
index 3e774167..6931d180 100644
--- a/utils/pango-segmentation.c
+++ b/utils/pango-segmentation.c
@@ -151,15 +151,19 @@ show_segmentation (const char *input,
 int
 main (int argc, char *argv[])
 {
-  setlocale (LC_ALL, "");
   char *opt_kind = "grapheme";
+  gboolean opt_version = FALSE;
   GOptionEntry entries[] = {
     { "kind", 0, 0, G_OPTION_ARG_STRING, &opt_kind, "Kind of boundary (grapheme/word/line/sentence)", "KIND" 
},
+    { "version", 0, 0, G_OPTION_ARG_NONE, &opt_version, "Show version" },
     { NULL, },
   };
   GOptionContext *context;
   GError *error = NULL;
 
+  g_set_prgname ("pango-segmentation");
+  setlocale (LC_ALL, "");
+
   context = g_option_context_new ("TEXT");
   g_option_context_add_main_entries (context, entries, NULL);
   g_option_context_set_description (context,
@@ -170,9 +174,15 @@ main (int argc, char *argv[])
       exit (1);
     }
 
+  if (opt_version)
+    {
+      g_print ("%s (%s) %s\n", g_get_prgname (), PACKAGE_NAME, PACKAGE_VERSION);
+      exit (0);
+    }
+
   if (argc < 2)
     {
-      g_printerr ("Usage: pango-segmentation [OPTIONS…] TEXT");
+      g_printerr ("Usage: pango-segmentation [OPTIONS…] TEXT\n");
       exit (1);
     }