Timelib issue?

[SimplySeth]

Description

2 warnings generated.
[  0%] Building C object third-party/zstd/CMakeFiles/zstd.dir/src/lib/common/xxhash.c.o
ext/date/lib/parse_date.re:1841:76: warning: unused parameter 'len' [-Wunused-parameter]
timelib_time *timelib_parse_from_format(char *format, char *string, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper)
                                                                           ^

Context and Logs

Parameter	Value
OS X Version:	10.12.5-x86_64
Homebrew Version:	1.2.2
Xcode Version:	8.3.3

Output of clang -v:

Apple LLVM version 8.1.0 (clang-802.0.42)
Target: x86_64-apple-darwin16.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

Build logs: https://gist.github.com/0213e459f76eb58273b5e78b4bc22657

[jwatzman]

make[1]: /Library/Developer/CommandLineTools/usr/bin/make: Permission denied

Something is really messed up with your developer tools. Try xcode-select --install and then repairing permissions in Disk Utility.