# this could be done better
RELEASE		?= 0
OPTFLAGS	!= [ "$(RELEASE)" != "0" ] \
			&& echo "-O2 -flto=auto" \
			|| echo "-O0"

DEBUG		?= 1
DEBUGFLAGS	!= [ "$(DEBUG)" != "0" ] \
			&& echo "-DDEBUG=1" \
			|| echo "-DNDEBUG=1"

ASSERT		?= 1
ASSERTFLAGS	!= [ "$(ASSERT)" != "0" ] \
			&& echo "-DASSERT=1" \
			|| echo

JIT		?= 1
JITFLAGS	!= [ "$(JIT)" != "0" ] \
			&& echo "-DJIT=1" \
			|| echo "-DJIT=0"

DEPFLAGS	= -MT $@ -MMD -MP -MF $@.d
LINTFLAGS	= -fsyntax-only
PREPROCESS	= -E

BUILD		= build

all: posthaste


OBFLAGS		= -g
WARNFLAGS	= -Wall

COMPILE_FLAGS	= $(CFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(OBFLAGS) $(ASSERTFLAGS) \
		   $(DEBUGFLAGS) $(JITFLAGS)

LINK_FLAGS	= $(LDFLAGS) -lm

INCLUDE_FLAGS	= -I include -I deps/ejit/include

COMPILE		= $(CC) \
		  $(COMPILE_FLAGS) $(DEPFLAGS) $(INCLUDE_FLAGS)

LINT		= $(CC) \
		  $(COMPILE_FLAGS) $(LINTFLAGS) $(INCLUDE_FLAGS)

COMPILE_POSTHASTE	= $(COMPILE)

-include deps.mk

gen/gen_parser.c: src/parser.y gen/gen_lexer.inc
	bison -Wcounterexamples -o gen/gen_parser.c src/parser.y

gen/gen_lexer.inc: src/lexer.l
	flex -o gen/gen_lexer.inc src/lexer.l

posthaste: $(POSTHASTE_OBJS) deps/ejit/libejit.a
	$(COMPILE_POSTHASTE) $(POSTHASTE_OBJS) deps/ejit/libejit.a -o $@ $(LINK_FLAGS)

# might lint some common things twice
.PHONY:
lint: $(POSTHASTE_LINTS)