help2man
OPTIONS_FILE_SET+=NLS
libiconv
OPTIONS_FILE_SET+=ENCODINGS
OPTIONS_FILE_UNSET+=PATCHES
m4
WITH_LIBSIGSEGV=true
pcre
OPTIONS_FILE_SET+=STACK_RECURSION
perl
OPTIONS_FILE_SET+=DEBUG
OPTIONS_FILE_UNSET+=GDBM
OPTIONS_FILE_SET+=MULTIPLICITY
OPTIONS_FILE_SET+=PERL_64BITINT
OPTIONS_FILE_UNSET+=PERL_MALLOC
OPTIONS_FILE_SET+=PTHREAD
OPTIONS_FILE_UNSET+=SITECUSTOMIZE
OPTIONS_FILE_SET+=THREADS
OPTIONS_FILE_SET+=USE_PERL
portupgrade
OPTIONS_FILE_SET+=DOCS
ruby
OPTIONS_FILE_UNSET+=ONIGURUMA
OPTIONS_FILE_SET+=RDOC
OPTIONS_FILE_UNSET+=DEBUG
zsh
OPTIONS_FILE_UNSET+=DEBUG
OPTIONS_FILE_SET+=DOCS
OPTIONS_FILE_SET+=EXAMPLES
OPTIONS_FILE_UNSET+=GDBM
OPTIONS_FILE_SET+=MAILDIR
OPTIONS_FILE_SET+=MEM
OPTIONS_FILE_SET+=MULTIBYTE
OPTIONS_FILE_SET+=PCRE
OPTIONS_FILE_SET+=SECURE_FREE
OPTIONS_FILE_UNSET+=STATIC