build: Factor out rangecoder dependencies to CONFIG_RANGECODER

A new hidden config variable is added for the codecs that depend on
the rangecoder parts.

configure

@@ -1229,6 +1229,7 @@ CONFIG_EXTRA="
     mpegvideo
     mpegvideoenc
     nettle
+    rangecoder
     rtpdec
     sinewin
     vp3dsp
@@ -1363,7 +1364,8 @@ eac3_encoder_select="mdct ac3dsp"
 eamad_decoder_select="aandcttables error_resilience"
 eatgq_decoder_select="aandcttables"
 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
-ffv1_decoder_select="golomb"
+ffv1_decoder_select="golomb rangecoder"
+ffv1_encoder_select="rangecoder"
 flac_decoder_select="golomb"
 flac_encoder_select="golomb lpc"
 flashsv_decoder_select="zlib"
@@ -1443,8 +1445,8 @@ rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvi
 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpegvideo"
 shorten_decoder_select="golomb"
 sipr_decoder_select="lsp"
-snow_decoder_select="dwt"
-snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc"
+snow_decoder_select="dwt rangecoder"
+snow_encoder_select="aandcttables dwt error_resilience mpegvideoenc rangecoder"
 svq1_decoder_select="error_resilience mpegvideo"
 svq1_encoder_select="aandcttables error_resilience mpegvideoenc"
 svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred h264qpel mpegvideo"

libavcodec/Makefile

@@ -55,6 +55,7 @@ OBJS-$(CONFIG_MPEGAUDIODSP)            += mpegaudiodsp.o                \
 OBJS-$(CONFIG_MPEGVIDEO)               += mpegvideo.o mpegvideo_motion.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += mpegvideo_enc.o mpeg12data.o  \
                                           motion_est.o ratecontrol.o
+OBJS-$(CONFIG_RANGECODER)              += rangecoder.o
 RDFT-OBJS-$(CONFIG_HARDCODED_TABLES)   += sin_tables.o
 OBJS-$(CONFIG_RDFT)                    += rdft.o $(RDFT-OBJS-yes)
 OBJS-$(CONFIG_SINEWIN)                 += sinewin.o
@@ -156,8 +157,8 @@ OBJS-$(CONFIG_EIGHTBPS_DECODER)        += 8bps.o
 OBJS-$(CONFIG_EIGHTSVX_EXP_DECODER)    += 8svx.o
 OBJS-$(CONFIG_EIGHTSVX_FIB_DECODER)    += 8svx.o
 OBJS-$(CONFIG_ESCAPE124_DECODER)       += escape124.o
-OBJS-$(CONFIG_FFV1_DECODER)            += ffv1.o rangecoder.o
-OBJS-$(CONFIG_FFV1_ENCODER)            += ffv1.o rangecoder.o
+OBJS-$(CONFIG_FFV1_DECODER)            += ffv1.o
+OBJS-$(CONFIG_FFV1_ENCODER)            += ffv1.o
 OBJS-$(CONFIG_FFVHUFF_DECODER)         += huffyuv.o
 OBJS-$(CONFIG_FFVHUFF_ENCODER)         += huffyuv.o
 OBJS-$(CONFIG_FLAC_DECODER)            += flacdec.o flacdata.o flac.o flacdsp.o
@@ -343,8 +344,8 @@ OBJS-$(CONFIG_SIPR_DECODER)            += sipr.o acelp_pitch_delay.o \
 OBJS-$(CONFIG_SMACKAUD_DECODER)        += smacker.o
 OBJS-$(CONFIG_SMACKER_DECODER)         += smacker.o
 OBJS-$(CONFIG_SMC_DECODER)             += smc.o
-OBJS-$(CONFIG_SNOW_DECODER)            += snowdec.o snow.o rangecoder.o
-OBJS-$(CONFIG_SNOW_ENCODER)            += snowenc.o snow.o rangecoder.o    \
+OBJS-$(CONFIG_SNOW_DECODER)            += snowdec.o snow.o
+OBJS-$(CONFIG_SNOW_ENCODER)            += snowenc.o snow.o              \
                                           h263.o ituh263enc.o
 OBJS-$(CONFIG_SOL_DPCM_DECODER)        += dpcm.o
 OBJS-$(CONFIG_SP5X_DECODER)            += sp5xdec.o mjpegdec.o mjpeg.o