Rename some make macros from ..._CFLAGS to ..._INCLUDES. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7562 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Rename the X_... make macros to XSV_... (dm)


git-svn-id: svn://mielke.cc/main/brltty@7563 91a5dbb7-01b9-0310-9b5f-b28072856b6e
A few more make macro renames. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7564 91a5dbb7-01b9-0310-9b5f-b28072856b6e
More make file macro renaming. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7565 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Darwin and MacPorts use conflicting versions of iconv. (dm)


git-svn-id: svn://mielke.cc/main/brltty@7566 91a5dbb7-01b9-0310-9b5f-b28072856b6e