[FFmpeg-cvslog] configure: enable autodetected libraries after option parsing

[Andreas Cadhalpun]

ffmpeg | branch: master | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Wed Nov 30 23:49:35 2016 +0100| [4c455664930470727000c7a8b2d550ec29f512e3] | committer: Andreas Cadhalpun

configure: enable autodetected libraries after option parsing

And only enable them, if they haven't been disabled.

This is needed for the following patch.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4c455664930470727000c7a8b2d550ec29f512e3
---

 configure | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/configure b/configure
index 50877bb..04fa06c 100755
--- a/configure
+++ b/configure
@@ -3238,15 +3238,6 @@ enable valgrind_backtrace
 sws_max_filter_size_default=256
 set_default sws_max_filter_size
 
-# Enable platform codecs by default.
-enable audiotoolbox
-
-# Enable hwaccels by default.
-enable d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
-enable xlib
-
-enable cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
-
 # build settings
 SHFLAGS='-shared -Wl,-soname,$$(@F)'
 LIBPREF="lib"
@@ -3492,6 +3483,15 @@ for e in $env; do
     eval "export $e"
 done
 
+# Enable platform codecs by default.
+enable_weak audiotoolbox
+
+# Enable hwaccels by default.
+enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
+enable_weak xlib
+
+enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
+
 disabled logging && logfile=/dev/null
 
 # Disable all the library-specific components if the library itself