fixed DEBUG_MAKE_ARGS.

Remove -stdlib=libc++and FORCE_ASSERTIONS=${FORCE_ASSERTIONS} and JULIA/INSTALLDIR and nested loop,
update pkg-plist and set USE_GPL_LIBS to 0.

Update to v1.7.1 and trim patches.

Remove post-install-DEBUG-off: and update post-install as suggested by thierry.

Fix build with latest libgit2 with out breaking quarterly.

Found a way to build with out hard-coded dependency on GCC10 and caught a couple of white space issues.

Added suggestions by arrowd.

Moved to version 1.7.0 and updated and fix Makefile pkg-plist and patches.

Fixed man page.
Stop julia build system from making unused empty directory.
Refreshed pkg-plist

Redundant suitesparse libs removed.
Unnecessary .include <bsd.port.options.mk> removed.
DOCS targets consolidated.
And pkg-plist refreshed.

Change

.if ${PORT_OPTIONS:MNATIVE}
MAKE_ARGS+=	MARCH=native
.endif  # .if ${PORT_OPTIONS:MNATIVE}

to

NATIVE_MAKE_ARGS+=	MARCH=native

Removed DESCR= ${.CURDIR}/../julia/pkg-descr

Sorry everyone, this is my first day with Phabricator and it is getting late and i am making mistakes.
I am going to quit here for the night and try again tomorrow.