almost working now

Makefile

@@ -1,16 +1,27 @@
 
-CFLAGS := -std=c23 -g
+BUILD ?= debug
+CC := clang
+
+CFLAGS.gcc.release := -O3
+CFLAGS.gcc.debug := -ggdb -O0 -fsanitize=address
+CFLAGS.gcc := -std=c23 -Wall -Wextra -Wconversion -Wno-unused-function
+
+CFLAGS.clang.release := -O3
+CFLAGS.clang.debug := -ggdb -O0
+CFLAGS.clang := -std=c23 -Wall -Wextra -Wconversion -Wno-unused-function -Wimplicit-int-conversion
+
+CFLAGS :=  $(CFLAGS.$(CC)) $(CFLAGS.$(CC).$(BUILD))
 
 all: tests
 
 codegen: codegen.c
-	$(CC) -o $@ $(CFLAGS) -DCODEGEN $^
+	$(CC) -o $@ $(CFLAGS) $^
 
 mbb_rook.h: codegen
-	#./codegen
+	./codegen
 
 mbb_bishop.h: codegen
-	#./codegen
+	./codegen
 
-tests: tests.c | mbb_rook.h mbb_bishop.h base.h
-	$(CC) -o $@ $(CFLAGS) $^
+tests: tests.c mbb_rook.h mbb_bishop.h base.h
+	$(CC) -o $@ $(CFLAGS) tests.c