ERROR at //build/config/linux/pkg_config.gni:103:17: Script returned non-zero exit code.
   pkgresult = exec_script(pkg_config_script, args, "value")
               ^----------
Current dir: /mnt/tizen/flutter/engine-build/engine/src/out/linux_release_arm64/
Command: python /mnt/tizen/flutter/engine-build/engine/src/build/config/linux/pkg-config.py -s /mnt/tizen/flutter/tizen_tools/sysroot/arm64 -a arm64 --system_libdir lib freetype2
Returned 1.
stderr:

Package freetype2 was not found in the pkg-config search path.
Perhaps you should add the directory containing `freetype2.pc'
to the PKG_CONFIG_PATH environment variable
No package 'freetype2' found
Traceback (most recent call last):
 File "/mnt/tizen/flutter/engine-build/engine/src/build/config/linux/pkg-config.py", line 248, in <module>
   sys.exit(main())
 File "/mnt/tizen/flutter/engine-build/engine/src/build/config/linux/pkg-config.py", line 143, in main
   prefix = GetPkgConfigPrefixToStrip(options, args)
 File "/mnt/tizen/flutter/engine-build/engine/src/build/config/linux/pkg-config.py", line 82, in GetPkgConfigPrefixToStrip
   "--variable=prefix"] + args, env=os.environ).decode('utf-8')
 File "/usr/lib/python2.7/subprocess.py", line 223, in check_output
   raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['pkg-config', '--variable=prefix', 'freetype2']' returned non-zero exit status 1

See //build/config/linux/BUILD.gn:30:1: whence it was called.
pkg_config("freetype2") {
^------------------------
See //build/config/BUILDCONFIG.gn:357:33: which caused the file to be included.
 _native_compiler_configs += [ "//build/config/linux:sdk" ]
                               ^-------------------------

../../flutter/shell/platform/tizen/flutter_tizen.cc:194:53: error: format specifies type 'long long' but the argument has type 'int64_t' (aka 'long') [-Werror,-Wformat]
    FT_LOGE("can't find texture texture_id = %lld", texture_id);