The windows shell doesn't like commands that start ../
Those commands are all found using TOOLS, so by making that
an absolute path we fix that problem.
However GNUmake doesn't recognize targets with relative paths
as being the same as their absolute path, so we have to fix up
some places that were using TOOLS in dependencies.
Build lexer and parser from libCom/Makefile.
Since libCom now includes asLib.c and asLib_lex.c we must build
antelope and flex without linking them to Com. This works because
they only need epicsTempFile anyway. However make doesn't like a
subdirectory with the same name as a target object, so the antelope
source directory is now called yacc. The two main.c files were also
renamed to avoid other build problems.
Merge asHost into Com and remove mentions in CONFIG_BASE
Lots of noise since SRCS must be renamed to Com_SRCS
Andrew Johnson