Build Failure on ports-10.12_x86_64: libnifalcon, librets, libsl

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/30028
Build reason: A build was forced by 'jmr <jmr at localhost>': force build
Port list:    libsdl2_net ld64 librets libunwind libftdi libmacho libnifalcon libsl
Subport list:
	- ld64-97
	- libnifalcon
	- librets
	- libsl
Variants:     None
Revision:     
Build time:   0:11:00
Author:       

Log from failed builds:
	Fetching 'ld64-97' ... [ERROR]
	> maintainers: jeremyhu at macports.org,kencu at macports.org.
	Building 'libnifalcon' ... [ERROR]
	> maintainers: richardsjohnt at gmail.com.
	Building 'librets' ... [ERROR]
	> maintainers: .
	Building 'libsl' ... [ERROR]
	> maintainers: .

Broken ports:
	- libnifalcon
	- librets
	- libsl

Responsible maintainers:
	- richardsjohnt at gmail.com

Links to individual build jobs:
- ports-10.12_x86_64-builder #111089
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/111089
- ports-10.12_x86_64-builder #111090
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/111090
- ports-10.12_x86_64-builder #111091
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/111091
- ports-10.12_x86_64-builder #111092
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/111092

-- 
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MacPorts Buildbot
https://build.macports.org/