Build Failure on ports-10.6_x86_64: gdal, gmt5, gmt6

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64-watcher/builds/1262
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    gmt5
Subport list:
	- gmt5
	- gmt6
Variants:     None
Revision:     647fc0614055d55a1bbad8b1aa1fdda0aea4ad01
Build time:   0:03:14
Author:       Dongdong Tian <seisman.info at gmail.com>

Log from failed builds:
	Building 'gmt5' ... [ERROR] (failed to install dependency 'gdal')
	> maintainers: takeshi at macports.org,vince at macports.org.
	Building 'gmt6' ... [ERROR] (failed to install dependency 'gdal')
	> maintainers: takeshi at macports.org,vince at macports.org.

Broken ports:
	- gdal
	- gmt5
	- gmt6

Responsible maintainers:
	- takeshi at macports.org
	- vince at macports.org

Links to individual build jobs:
- ports-10.6_x86_64-builder #6974
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/6974
- ports-10.6_x86_64-builder #6975
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/6975

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/