[SCM] libav/master: add comments about the various PKGS variables

[siretart at users.alioth.debian.org]

The following commit has been merged in the master branch:
commit af067250b6f6c86b28a8c78d89aa5705a75da070
Author: Reinhard Tartler <siretart at tauware.de>
Date:   Mon May 14 20:56:56 2012 +0200

    add comments about the various PKGS variables
    
    Git-Dch: ignore

diff --git a/debian/rules b/debian/rules
index 401aa46..ad29631 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,9 +6,13 @@ DEB_VERSION := $(shell dpkg-parsechangelog | sed -n 's/^Version: //p')
 UPSTREAM_VERSION := $(shell echo $(DEB_VERSION) | sed -r 's/[^:]+://; s/-[^-]+$$//')
 SHLIBS_VERSION := 5:0.8-2~
 
+# these package do not build -extra variants
 LIB_PKGS := $(shell sed -nr 's/^Package:[[:space:]]*(lib(avutil|avdevice|avformat|avfilter|postproc|swscale)[0-9]+)[[:space:]]*$$/\1/p' debian/control)
+# these packages do build -extra variants
 LIB_PKGS2 := $(shell sed -nr 's/^Package:[[:space:]]*(libavcodec[0-9]+)[[:space:]]*$$/\1/p' debian/control)
+# these packages are the -extra- variants
 LIB_EXTRA_PKGS := $(shell sed -nr 's/^Package:[[:space:]]*(libavcodec-extra-[0-9]+)[[:space:]]*$$/\1/p' debian/control)
+# these are the -dev packages
 DEV_PKGS := $(shell echo $(LIB_PKGS) $(LIB_PKGS2) | sed 's/[0-9]\+\>/-dev/g')
 
 # Support multiple makes at once

-- 
Libav/FFmpeg packaging