document CGO_* env variables for macports
document CGO_* env variables for macports

jmhodges/boulder,r0ro/boulder,postfix/boulder,lucasallan/boulder,KyleChamberlin/boulder,mehmooda/boulder,r0ro/boulder,hlandauf/boulder,lmcro/boulder,jfrazelle/boulder,letsencrypt/boulder,ZCloud-Firstserver/boulder,tomclegg/boulder,lmcro/boulder,tomclegg/boulder,jcjones/boulder,jgillula/boulder,jfrazelle/boulder,bmw/boulder,mozmark/boulder,mozmark/boulder,jgillula/boulder,jmhodges/boulder,KyleChamberlin/boulder,lmcro/boulder,josephyzhou/boulder,postfix/boulder,mommel/boulder,josephyzhou/boulder,benileo/boulder,lucasallan/boulder,mozmark/boulder,modulexcite/boulder,jmhodges/boulder,lucasallan/boulder,jfrazelle/boulder,mehmooda/boulder,KyleChamberlin/boulder,modulexcite/boulder,kuba/boulder,kuba/boulder,devpaul/boulder,mehmooda/boulder,sophie-h/boulder,kuba/boulder,deserted/boulder,patf/boulder,r0ro/boulder,sophie-h/boulder,benileo/boulder,jsha/boulder,tomclegg/boulder,ibukanov/boulder,devpaul/boulder,jmhodges/boulder,jcjones/boulder,deserted/boulder,modulexcite/boulder,bmw/boulder,deserted/boulder,ibukanov/boulder,julienschmidt/boulder,mommel/boulder,patf/boulder,julienschmidt/boulder,hlandauf/boulder,devpaul/boulder,modulexcite/boulder,ibukanov/boulder,sophie-h/boulder,hlandauf/boulder,jsha/boulder,mozmark/boulder,tomclegg/boulder,ZCloud-Firstserver/boulder,jcjones/boulder,mehmooda/boulder,jgillula/boulder,mommel/boulder,kuba/boulder,ZCloud-Firstserver/boulder,bmw/boulder,benileo/boulder,ZCloud-Firstserver/boulder,jgillula/boulder,deserted/boulder,julienschmidt/boulder,patf/boulder,jsha/boulder,patf/boulder,devpaul/boulder,josephyzhou/boulder,jfrazelle/boulder,KyleChamberlin/boulder,benileo/boulder,hlandauf/boulder,jcjones/boulder,letsencrypt/boulder,postfix/boulder,julienschmidt/boulder,postfix/boulder,r0ro/boulder,mommel/boulder,josephyzhou/boulder,lmcro/boulder,letsencrypt/boulder