Fix building of ffmpeg

Previously, build failed because non-existent rule for ffmpeg/Makefile
generation. Now, we explicitly state that configure generates this file
but to avoid running configure multiple times, we put it into conditional
block.

diff --git a/build/config.target b/build/config.target
index 7c88240796c3d6a13186734e8db631c771e81c8a..e6e21f451fe753d6acb893fa6d58f21cfae33faf 100644 (file)
--- a/build/config.target
+++ b/build/config.target
@@ -37,6 +37,10 @@ $(FFMPEG_BUILD_DIR)/libavcodec/x86/Makefile:
 $(MAKERULES_DIR)/ffmpeg/libswscale:
        ln -sf ../../src/libswscale $@
 
+ifeq ($(wildcard $(FFMPEG_BUILD_DIR)/Makefile),)
+$(wildcard $(FFMPEG_BUILD_DIR)/Makefile): $(FFMPEG_BUILD_DIR)/config.mak
+endif
+
 $(FFMPEG_BUILD_DIR)/config.mak: \
                $(MAKERULES_DIR)/ffmpeg/configure \
                $(MAKERULES_DIR)/../build/config.target # this file