gstreamer: fixed -meta package rdepends

The -meta packages were depending on non-existing packages,
like -glib and -apps. The fix checks if packages in the PACKAGES list
are empty. If so, they are omitted from the rdepends list.

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 22 insertions, 5 deletions

diff --git a/meta/recipes-multimedia/gstreamer/gst-plugins-package.inc b/meta/recipes-multimedia/gstreamer/gst-plugins-package.inc
index 7ae3ef6b0c..5962e4bdf3 100644
--- a/meta/recipes-multimedia/gstreamer/gst-plugins-package.inc
+++ b/meta/recipes-multimedia/gstreamer/gst-plugins-package.inc
@@ -1,6 +1,8 @@
+PACKAGESPLITFUNCS_prepend = " split_gstreamer10_packages "
+PACKAGESPLITFUNCS_append = " set_metapkg_rdepends "
 LIBV = "0.10"
 
-python populate_packages_prepend () {
+python split_gstreamer10_packages () {
     gst_libdir = d.expand('${libdir}/gstreamer-${LIBV}')
     postinst = d.getVar('plugin_postinst', True)
     glibdir = d.getVar('libdir', True)
@@ -9,23 +11,38 @@ python populate_packages_prepend () {
     do_split_packages(d, gst_libdir, 'libgst(.*)\.so$', d.expand('${PN}-%s'), 'GStreamer plugin for %s', postinst=postinst, extra_depends=d.expand('${PN}'))
     do_split_packages(d, gst_libdir, 'libgst(.*)\.la$', d.expand('${PN}-%s-dev'), 'GStreamer plugin for %s (development files)', extra_depends=d.expand('${PN}-dev'))
     do_split_packages(d, gst_libdir, 'libgst(.*)\.a$', d.expand('${PN}-%s-staticdev'), 'GStreamer plugin for %s (static development files)', extra_depends=d.expand('${PN}-staticdev'))
-    
+}
+
+python set_metapkg_rdepends () {
+    import os
+
     pn = d.getVar('PN', True)
     metapkg =  pn + '-meta'
     d.setVar('ALLOW_EMPTY_' + metapkg, "1")
     d.setVar('FILES_' + metapkg, "")
-    blacklist = [ pn + '-locale', pn + '-dev', pn + '-dbg', pn + '-doc' ]
+    blacklist = [ pn, pn + '-locale', pn + '-dev', pn + '-dbg', pn + '-doc', pn + '-meta' ]
     metapkg_rdepends = []
     packages = d.getVar('PACKAGES', True).split()
+    pkgdest = d.getVar('PKGDEST', True)
     for pkg in packages[1:]:
         if not pkg in blacklist and not pkg in metapkg_rdepends and not pkg.endswith('-dev') and not pkg.endswith('-dbg') and not pkg.count('locale') and not pkg.count('-staticdev'):
-            metapkg_rdepends.append(pkg)
+            # See if the package is empty by looking at the contents of its PKGDEST subdirectory. 
+            # If this subdirectory is empty, then the package is.
+            # Empty packages do not get added to the meta package's RDEPENDS
+            pkgdir = os.path.join(pkgdest, pkg)
+            if os.path.exists(pkgdir):
+                dir_contents = os.listdir(pkgdir) or []
+            else:
+                dir_contents = []
+            is_empty = len(dir_contents) == 0
+            if not is_empty:
+                metapkg_rdepends.append(pkg)
     d.setVar('RDEPENDS_' + metapkg, ' '.join(metapkg_rdepends))
     d.setVar('DESCRIPTION_' + metapkg, pn + ' meta package')
 }
 
 # metapkg has runtime dependency on PN
-# each plugin depends on PN, plugin-dev on PN-dev and plugin-staticdev on PN-staticdev
+# each plugin depends on PN, plugin-dev on PN-dev, plugin-staticdev on PN-staticdev
 # so we need them even when empty (like in gst-plugins-good case)
 ALLOW_EMPTY_${PN} = "1"
 ALLOW_EMPTY_${PN}-dev = "1"