* meson.build: Add summary.

Based on a patch from Vincent Torri <vincent.torri@gmail.com>.
diff --git a/ChangeLog b/ChangeLog
index 1354513..12c2c07 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-01-06  Werner Lemberg  <wl@gnu.org>
+
+	* meson.build: Add summary.
+
+	Based on a patch from Vincent Torri <vincent.torri@gmail.com>.
+
 2021-01-06  Torsten Hilbrich  <emacs.nolkaf@hilbrich.tk>
 
 	* meson.build: Fix 'png' build option (#59458).
diff --git a/meson.build b/meson.build
index 895ebb3..cab118c 100644
--- a/meson.build
+++ b/meson.build
@@ -13,6 +13,7 @@
 
 
 project('freetype2', 'c',
+  version: '2.10.4',
   meson_version: '>= 0.55.0',
   default_options: ['default_library=both'],
 )
@@ -231,10 +232,12 @@
   '@INPUT@', '--output=@OUTPUT@']
 
 # GZip support
+have_zlib='no'
 zlib_option = get_option('zlib')
 if zlib_option == 'disabled'
   ftoption_command += ['--disable=FT_CONFIG_OPTION_USE_ZLIB']
 else
+  have_zlib='yes'
   ftoption_command += ['--enable=FT_CONFIG_OPTION_USE_ZLIB']
   if zlib_option == 'builtin'
     ftoption_command += ['--disable=FT_CONFIG_OPTION_SYSTEM_ZLIB']
@@ -379,4 +382,13 @@
   ],
 )
 
+
+summary({'OS': host_machine.system(),
+         'Zlib': have_zlib,
+         'Bzip2': bzip2_dep.found() ? 'yes' : 'no',
+         'Png': libpng_dep.found() ? 'yes' : 'no',
+         'Harfbuzz': harfbuzz_dep.found() ? 'yes' : 'no',
+         'Brotli': brotli_dep.found() ? 'yes' : 'no',
+        }, section: 'Configuration Options Summary:')
+
 # EOF