fix tabs in toolchain.sh

add OpenBSD platform detection

allow custom line breaks in help text

add helptext descriptions for features

trim all contents by default - relates to #317

trim indents by default - fixes #317

replace -a with && in configure

fix that a broken configure file is left over when something goes wrong

fix empty dependencies element producing broken configure script - fixes #336

fix duplicate output when checking dependencies

(0) -10 +10 tip

mercurial