#_________________________________
#          ENVIRONMENT           |
#________________________________|
CC=cc
CXX=c++
INCLUDE=-I$(HOME)/projects/include
LIBRARIES=
#-lexpat $(shell pkg-config --cflags liblist)
TARGET=tex_parser_test

#________________________________________
#      BUILD SCRIPT (don't change)      |
#_______________________________________|
# Compiler flags
# if mode variable is empty, setting debug build mode
ifeq ($(mode),)
	mode = debug
endif

ifeq ($(mode),debug)
	CFLAGS = -O0 -g -std=gnu99 -pedantic -Wextra -Wconversion
	LDFLAGS =
endif
ifeq ($(mode),profile)
	CFLAGS = -O0 -g -p -ftest-coverage -Wcoverage-mismatch
	LDFLAGS = -g -p
endif
ifeq ($(mode),develop)
	CFLAGS += -O2 -g
	LDFLAGS += -O1
endif
ifeq ($(mode),release)
	CFLAGS += -O2
	LDFLAGS += -O1
endif

CFLAGS += -Wall
LDFLAGS += -Wall $(LIBRARIES)

all: change_build_mode $(TARGET)

ifneq ($(mode),debug)
ifneq ($(mode),profile)
ifneq ($(mode),develop)
ifneq ($(mode),release)
	@echo "Invalid build mode."
	@echo "Please use 'make mode=release', 'make mode=develop' or 'make mode=debug'"
	@exit 1
endif
endif
endif
endif
	@echo ".........................."
	@echo "Building on "$(mode)" mode "
	@echo "CFLAGS=$(CFLAGS)"
	@echo "LDFLAGS=$(LDFLAGS)"
	@echo ".........................."

OLD_BUILD_MODE=$(shell cat build_mode.out 2>/dev/null)
change_build_mode:
ifneq ($(mode), $(OLD_BUILD_MODE))
	@echo CLEANING...
	@make clean &>/dev/null
	@echo $(mode) > build_mode.out
endif

%.o :
	$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<

clean:
	$(RM) *.o *.out callgrind.out.* *.gcno $(TARGET)

.PHONY: all change_build_mode clean

#_________________________________
#           R U L E S            |
#________________________________|
KOLAN_PROJECTS=$(HOME)/projects
KOLAN_INCLUDE=$(KOLAN_PROJECTS)/include

target_objs = tex_parser_test.o tex_parser.o \
	zalloc_ext.o zalloc.o xalloc.o zerror.o xerror.o
$(TARGET): $(target_objs)
	$(CC) $(LDFLAGS) -o $@ $(target_objs)

tex_parser_test.o: tex_parser_test.c tex_parser.c tex_parser.h tex_parser_const.h \
	$(KOLAN_INCLUDE)/xerror.h $(KOLAN_INCLUDE)/zerror.h \
	$(KOLAN_INCLUDE)/xalloc.h $(KOLAN_INCLUDE)/zalloc.h $(KOLAN_INCLUDE)/zalloc_ext.h

tex_parser.o: tex_parser.c tex_parser.h tex_parser_const.h \
	$(KOLAN_INCLUDE)/xerror.h $(KOLAN_INCLUDE)/zerror.h \
	$(KOLAN_INCLUDE)/xalloc.h $(KOLAN_INCLUDE)/zalloc.h $(KOLAN_INCLUDE)/zalloc_ext.h

zalloc_ext.o: $(KOLAN_INCLUDE)/zalloc_ext.c $(KOLAN_INCLUDE)/zalloc_ext.h \
              $(KOLAN_INCLUDE)/zalloc.h $(KOLAN_INCLUDE)/xerror.h

zalloc.o: $(KOLAN_INCLUDE)/zalloc.c $(KOLAN_INCLUDE)/zalloc.h $(KOLAN_INCLUDE)/xerror.h

xalloc.o: $(KOLAN_INCLUDE)/xalloc.c $(KOLAN_INCLUDE)/xalloc.h $(KOLAN_INCLUDE)/xerror.h

zerror.o: $(KOLAN_INCLUDE)/zerror.c $(KOLAN_INCLUDE)/zerror.h $(KOLAN_INCLUDE)/xerror.h

xerror.o: $(KOLAN_INCLUDE)/xerror.c $(KOLAN_INCLUDE)/xerror.h