Add a parser for linear equations

(Also add the antlr jar and C runtime)

1 files changed, 16 insertions, 4 deletions

diff --git a/impl/Makefile b/impl/Makefile
index 05e4a83..7df94a0 100644
--- a/impl/Makefile
+++ b/impl/Makefile
@@ -1,9 +1,21 @@
-CC=g++
+CC=gcc
+CPP=g++
 BUILD=build/
-FLAGS=-Wall -Werror -g
+FLAGS=-Wall -Werror -g -lantlr3c
 
-all: build-dir
-	$(CC) main.cpp $(FLAGS) -o $(BUILD)/main
+all: main
+
+main: build-dir grammar
+	$(CPP) main.cpp *.o -o $(BUILD)/main $(FLAGS)
+
+grammar: build-dir
+	java -jar antlr/antlr-3.4-complete.jar EquationSystem.g
+	$(CC) *.c -c -lantrl3c
 
 build-dir:
 	mkdir -p $(BUILD)
+
+clean:
+	rm -rf $(BUILD)
+	rm *.o *.c *.h *.tokens
+	# antlr o, c, h and tokens files