downloaded "apll-1.5.tar.gz" today (11 Dec 2015 ) from tp://ftp.gnu.org
to build on a MAC running OS x 10.9.5
<configure> completed with no errors, but <make> reported the following errors
./../Workspace.hh:257:26: error: non-ASCII characters are not allowed outside of
literals and identifiers
rw_sv_def(Quad_Quad, ⎕)
^
./../Workspace.hh:258:26: error: non-ASCII characters are not allowed outside of
literals and identifiers
rw_sv_def(Quad_QUOTE, ⍞)
^
./../Workspace.hh:278:26: error: non-ASCII characters are not allowed outside of
literals and identifiers
rw_sv_def(Quad_Quad, ⎕)
^
./../Workspace.hh:279:26: error: non-ASCII characters are not allowed outside of
literals and identifiers
rw_sv_def(Quad_QUOTE, ⍞)
^
the code is the same on https://savannah.gnu.org/svn/?group=apl