pkg/49626: textproc/mdocml build error on Solaris 10. O_CLOEXEC undefined.

[mdehling%gmail.com@localhost]

>Number:         49626
>Category:       pkg
>Synopsis:       textproc/mdocml build error on Solaris 10. O_CLOEXEC undefined.
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Feb 02 13:50:00 +0000 2015
>Originator:     Malte Dehling
>Release:        pkgsrc-2014Q4
>Organization:
>Environment:
SunOS U2 5.10 Generic_139555-08 sun4u sparc sun4u
cc: Sun C 5.10 SunOS_sparc 2009/06/03
(So Solaris 10u7, Studio Pro 12u1)
>Description:
textproc/mdocml (version 1.13.2) fails to build with the following error.

--- compat_fts.o ---
"compat_fts.c", line 154: undefined symbol: O_CLOEXEC
"compat_fts.c", line 447: warning: implicit function declaration: dirfd
"compat_fts.c", line 785: undefined symbol: O_CLOEXEC
cc: acomp failed for compat_fts.c
*** [compat_fts.o] Error code 1

bmake: stopped in /pkg/src/textproc/mdocml/work/mdocml-1.13.2
1 error

Many packages depend on mdocml.
>How-To-Repeat:
Try to build mdocml or depending packages (e.g. git) on Solaris 10(u7) with Studio Pro 12(u1).
>Fix:
I don't know how to fix this.