configure: fix target_os when cross-compiling for arm

For arm 'host_os' is '*-gnueabi' or '*-gnueabihf' so sed needs to cut of
more. Otherwise configuring ffmpeg will fail with "Unknown OS 'linuxeabi'."
or something like that.

https://bugzilla.gnome.org/show_bug.cgi?id=774215

diff --git a/configure.ac b/configure.ac
index 17825f0..2a4a57d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -384,7 +384,7 @@ else
         target_os=darwin
       ;;
       *)
-        target_os=`echo $host_os | sed 's/-gnu//'`
+        target_os=`echo $host_os | sed 's/-gnu.*//'`
       ;;
   esac