Build ports failured

[Nilton Jose Rizzo]

Hi all

Some ports that I'm trying to install was broken with this error
mesage:

In file included from jbig.c:36:
/usr/include/stdlib.h:317:8: error: unknown type name 'inline'
static inline void
       ^
--- jbig85.So ---

In this case i trying to build mate meta ports, but other ports 
bkroken like it's.

my box:

FreeBSD venus 13.0-CURRENT FreeBSD 13.0-CURRENT #4 r355754: Sat Dec 14
16:22:51 -03 2019     rizzo at venus:/usr/obj/usr/src/amd64.amd64/sys/VENU
S  amd64

root at venus:/usr/ports/x11/mate # svnlite info /usr/src
Path: /usr/src
Working Copy Root Path: /usr/src
URL: svn://svn.freebsd.org/base/head
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/base
Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Revision: 355754
Node Kind: directory
Schedule: normal
Last Changed Author: trasz
Last Changed Rev: 355754
Last Changed Date: 2019-12-14 10:37:17 -0300 (Sat, 14 Dec 2019)


root at venus:/usr/ports/x11/mate # svnlite info /usr/ports
Path: /usr/ports
Working Copy Root Path: /usr/ports
URL: svn://svn.freebsd.org/ports/head
Relative URL: ^/head
Repository Root: svn://svn.freebsd.org/ports
Repository UUID: 35697150-7ecd-e111-bb59-0022644237b5
Revision: 520053
Node Kind: directory
Schedule: normal
Last Changed Author: tijl
Last Changed Rev: 520053
Last Changed Date: 2019-12-13 13:28:31 -0300 (Fri, 13 Dec 2019)


root at venus:/usr/ports/x11/mate # clang --version
FreeBSD clang version 9.0.0 (tags/RELEASE_900/final 372316) (based on
LLVM 9.0.0)
Target: x86_64-unknown-freebsd13.0
Thread model: posix
InstalledDir: /usr/bin
root at venus:/usr/ports/x11/mate # 


Anyone can help me?

TIA