handbrake error

  :  /bin/mkdir -p '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/lib/pkgconfig'
  :  /usr/bin/install -c -m 644 src/libbluray.pc '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/lib/pkgconfig'
  :  /bin/mkdir -p '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/include/libbluray'
  :  /usr/bin/install -c -m 644 src/file/filesystem.h src/libbluray/bluray.h src/libbluray/bluray-version.h src/libbluray/keys.h src/libbluray/player_settings.h src/libbluray/bdnav/clpi_data.h src/libbluray/bdnav/meta_data.h src/libbluray/decoders/overlay.h src/util/log_control.h '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/include/libbluray'
  : make[2]: Leaving directory '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/libbluray/libbluray-1.0.2'
  : make[1]: Leaving directory '/home/timcowchip/timcowchip/handbrake/work/src/HandBrake-1.2.0/build/contrib/libbluray/libbluray-1.0.2'
  : touch contrib/libbluray/.stamp.libbluray.install
  : /usr/bin/gcc -std=gnu99 -pipe -fmessage-length=0 -Wall -g0 -O3 -O2 -march=x86-64 -pipe -mfpmath=sse -msse2 -DUSE_FFMPEG_AAC -D__LIBHB__ -DUSE_PTHREAD -DSYS_LINUX -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DUSE_NVENC -DUSE_X265 -DHAS_STRERROR_R -DARCH_X86_64 -I./libhb/ -I./contrib/include -I/usr/include/libxml2 -c ../libhb/reader.c -o libhb/reader.o
  : In file included from ../libhb/common.h:14:0,
  :                  from ../libhb/hb.h:17,
  :                  from ../libhb/reader.c:9:
  : ../libhb/hb_dict.h:13:10: fatal error: jansson.h: No such file or directory
  :  #include <jansson.h>
  :           ^~~~~~~~~~~
  : compilation terminated.
  : make: *** [../libhb/module.rules:12: libhb/reader.o] Error 1
-------------------------------------------------------------------------------
time end: Tue Jan 22 01:31:20 2019
duration: 23 minutes, 6 seconds (1386.15s)
result: FAILURE (code 2)