Delve: fatal error: 'sys/types.h' file not found by os x brew install

[zenyue]

1. What version of Delve are you using (dlv version)?
   0.11.0-alpha.
2. What version of Go are you using? (go version)?
   go version go1.6.2 darwin/amd64
3. What operating system and processor architecture are you using?
   OS X EI Capitan 10.11.5
   Darwin Kernel Version 15.5.0: Tue Apr 19 18:36:36 PDT 2016; root:xnu-3248.50.21~8/RELEASE_X86_64 x86_64
4. What did you do?
   brew install go-delve/delve/delve
5. What did you expect to see?
6. What did you see instead?

go build -ldflags="-s -X main.Build=v0.11.0" github.com/derekparker/delve/cmd/dlv
# github.com/derekparker/delve/proc
clang: warning: no such sysroot directory: ''
In file included from src/github.com/derekparker/delve/proc/proc_darwin.go:3:
./proc_darwin.h:1:10: fatal error: 'sys/types.h' file not found
#include <sys/types.h>
         ^
1 error generated.
make: *** [build] Error 2

[derekparker]

@zenyue Can you try running xcode-select --install and see if this resolves your issue?

[zenyue]

Thank you! the problem is solved.
Run xcode-select --install will update the command line tools for xcode.
After updated run brew install go-delve/delve/delve succeed.