With bash-3 you get an error like: /var/tmp/portage/dev-python/docutils-0.7/temp/environment: line 10142: declare: -A: invalid option declare: usage: declare [-afFirtx] [-p] [name[=value] ...] /var/tmp/portage/dev-python/docutils-0.7/temp/environment: line 10151: /var/tmp/portage/dev-python/docutils-0.7/image/usr/bin/buildhtml.py: syntax error: operand expected (error token is "/var/tmp/portage/dev-python/docutils-0.7/image/usr/bin/buildhtml.py")
Fixed.