Explicitely disable gnutls as it fails to build if detected

Reported and tested by:	Scott Allendorf


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375474 35697150-7ecd-e111-bb59-0022644237b5
Update security/gnupg*/pkg-message to reflect
reality.

Sponsored by:	The FreeBSD Foundation


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375475 35697150-7ecd-e111-bb59-0022644237b5
Properly support png 1.5

Obtained from:	Gentoo


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375476 35697150-7ecd-e111-bb59-0022644237b5
Remove some resurected ports


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375477 35697150-7ecd-e111-bb59-0022644237b5
devel/linux-c6-libgfortran: add port

Necessary gfortran libs for Linux.

WWW: http://www.centos.org

Differential Revision:	https://reviews.freebsd.org/D1356
Requested by:	db
Approved by:	swills (mentor)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375478 35697150-7ecd-e111-bb59-0022644237b5
devel/linux-c6-devtools: add run dependency on linux-c6-libgfortran

- add RUN_DEPENDS for devel/linux-c6-libgfortran.

Differential Revision:	https://reviews.freebsd.org/D1357
Requested by:	db
Approved by:	swills (mentor)


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@375479 35697150-7ecd-e111-bb59-0022644237b5