编译SDK报错：
Making all in src
make[6]: Entering directory '/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/src'
/bin/bash /home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/missing gperf --pic -m 100 fcobjshash.gperf > fcobjshash.h.tmp && \
mv -f fcobjshash.h.tmp fcobjshash.h || ( rm -f fcobjshash.h.tmp && false )
/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/missing: line 81: gperf: command not found
WARNING: 'gperf' is missing on your system.
You might have modified some files without having the proper
tools for further handling them. Check the 'README' file, it
often tells you about the needed prerequisites for installing
this package. You may also peek at any GNU archive site, in
case some other package contains this missing 'gperf' program.
Makefile:1021: recipe for target 'fcobjshash.h' failed
make[6]: *** [fcobjshash.h] Error 1
make[6]: Leaving directory '/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/src'
Makefile:601: recipe for target 'all-recursive' failed
make[5]: *** [all-recursive] Error 1
make[5]: Leaving directory '/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1'
Makefile:485: recipe for target 'all' failed
make[4]: *** [all] Error 2
make[4]: Leaving directory '/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1'
Makefile:78: recipe for target '/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/.built' failed
make[3]: *** [/home/ubuntu/tina-v853-100ask/out/v853-100ask/compile_dir/target/fontconfig-2.13.1/.built] Error 2
make[3]: Leaving directory '/home/ubuntu/tina-v853-100ask/package/utils/fontconfig'
package/Makefile:192: recipe for target 'package/utils/fontconfig/compile' failed
make[2]: *** [package/utils/fontconfig/compile] Error 2
make[2]: Leaving directory '/home/ubuntu/tina-v853-100ask'
package/Makefile:189: recipe for target '/home/ubuntu/tina-v853-100ask/out/v853-100ask/staging_dir/target/stamp/.package_compile' failed
make[1]: *** [/home/ubuntu/tina-v853-100ask/out/v853-100ask/staging_dir/target/stamp/.package_compile] Error 2
make[1]: Leaving directory '/home/ubuntu/tina-v853-100ask'
/home/ubuntu/tina-v853-100ask/build/toplevel.mk:304: recipe for target 'world' failed
make: *** [world] Error 2
[2]+ Done $T/tools/build/buildserver --path $T 2> /dev/null 1>&2
#### make failed to build some targets (01:05 (mm:ss)) ####
解决办法：
sudo apt-get install gperf