meson/ttml: Add missing math library dependency

This code call 'round' which may require linking against the math library
on some compilers.

diff --git a/ext/ttml/meson.build b/ext/ttml/meson.build
index 5657ffb..891022a 100644 (file)
--- a/ext/ttml/meson.build
+++ b/ext/ttml/meson.build
@@ -2,6 +2,8 @@ libxml_dep = dependency('libxml-2.0', version : '>= 2.9.2', required : false)
 pango_dep = dependency('pango', required : false)
 cairo_dep = dependency('cairo', required : false)
 pangocairo_dep = dependency('pangocairo', required : false)
+cc = meson.get_compiler('c')
+m_dep = cc.find_library('m', required : false)
 
 if libxml_dep.found() and pango_dep.found() and cairo_dep.found() and pangocairo_dep.found()
   gstttmlsubs = library('gstttmlsubs',
@@ -13,7 +15,7 @@ if libxml_dep.found() and pango_dep.found() and cairo_dep.found() and pangocairo
      'gstttmlplugin.c'],
     c_args : gst_plugins_bad_args,
     include_directories : [configinc],
-    dependencies : [gstvideo_dep, libxml_dep, pango_dep, cairo_dep, pangocairo_dep],
+    dependencies : [gstvideo_dep, libxml_dep, pango_dep, cairo_dep, pangocairo_dep, m_dep],
     install : true,
     install_dir : plugins_install_dir,
   )