is a variable defined in `
Its value is
" ("GENS" "GENS%d" " \\
Variable to specify the appearance of the generated makefile rules.
This variable influences the output of M-x antlr-show-makefile-rules.
It looks like (RULE-SEP GEN-VAR-SPEC COMMAND).
RULE-SEP is the string to separate different makefile rules. COMMAND is
a string with the command which runs the Antlr tool, it should include
all options except the option "-glib" which is automatically added
If GEN-VAR-SPEC is nil, each target directly consists of a list of
files. If GEN-VAR-SPEC looks like (GEN-VAR GEN-VAR-FORMAT GEN-SEP), a
Makefile variable is created for each rule target.
Then, GEN-VAR is a string with the name of the variable which contains
the file names of all makefile rules. GEN-VAR-FORMAT is a format string
producing the variable of each target with substitution COUNT/%d where
COUNT starts with 1. GEN-SEP is used to separate long variable values.
You can customize this variable.