Makefile

# Handy global variables
MODEL_SRC = ./src
MODEL_BUILD_TMP = ./build
BINARY_DIR = ./bin
df = $(MODEL_BUILD_TMP)/$(*F)

# Compiler Flags
CC=gcc
CFLAGS = -Wall -Wextra -O0
# Forces 32-bit compilation on 32-bit kernels
# prevents segfaults caused by gcc defaulting to x86_64 when a 32-bit kernel is
# running on an x_86_64 processor (OS X 10.7, for instance)
ifneq ($(OS),Windows_NT)
	UNAME_M := $(shell uname -m)
	ifneq ($(filter %86,$(UNAME_M)),)
		CFLAGS += -m32
	endif
endif


LDFLAGS = -lm
MAKEDEPEND = gcc -MM -MT '$(MODEL_BUILD_TMP)/$*.o' $(CPPFLAGS) -o $(MODEL_BUILD_TMP)/$*.d $<

.PHONY: clean\
	all\
	debam\
	detim\
	models\
	utils\
	shading\
	ascigrid\
	gridasci\
	gridtools\


#### Model Building Stuff ####
# Generic object file build rule
$(MODEL_BUILD_TMP)/%.o: $(MODEL_SRC)/%.c
	@mkdir -p $(MODEL_BUILD_TMP)
	$(MAKEDEPEND)
	@cp $(df).d $(df).P; \
            sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
                -e '/^$$/ d' -e 's/$$/ :/' < $(df).d >> $(df).P; \
            rm -f $(df).d
	@echo "Building $@"
	$(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@ 

## DETIM

## Source-files Required by DETIM
DETIM_SOURCES = closeall.c \
							 	discharg.c \
								disopt.c \
								globcor.c \
							 	grid.c \
								initial.c \
								input.c \
								radiat.c \
								snowinput.c \
							 	snowmodel.c \
								skintemperature.c \
								tindex.c \
								turbul.c\
							 	userfile.c \
								writeout.c \
								retreat.c \
								detim.c

-include $(addprefix $(MODEL_BUILD_TMP)/, $(DETIM_SOURCES:.c=.P))

DETIM_OBJECTS = $(addprefix $(MODEL_BUILD_TMP)/, $(DETIM_SOURCES:.c=.o))

$(BINARY_DIR)/detim: $(DETIM_OBJECTS)
	@mkdir -p $(BINARY_DIR)
	@echo "Building DETiM:"
	$(CC) $(CFLAGS) $(DETIM_OBJECTS) -o  $(BINARY_DIR)/detim $(LDFLAGS)

detim: $(BINARY_DIR)/detim

## DEBAM

## Source-files requires by DEBaM
DEBAM_SOURCES = closeall.c \
								discharg.c \
								disopt.c \
								globcor.c \
								grid.c \
								initial.c \
								input.c \
								radiat.c \
								snowinput.c \
								snowmodel.c \
								skintemperature.c \
								turbul.c \
								userfile.c \
								retreat.c \
								writeout.c \
								debam.c

-include $(addprefix $(MODEL_BUILD_TMP)/, $(DEBAM_SOURCES:.c=.P))

DEBAM_OBJECTS = $(addprefix $(MODEL_BUILD_TMP)/, $(DEBAM_SOURCES:.c=.o))

$(BINARY_DIR)/debam: $(DEBAM_OBJECTS)
	@mkdir -p $(BINARY_DIR)
	@echo "Building DEBAM:"
	$(CC) $(CFLAGS) $(DEBAM_OBJECTS) -o  $(BINARY_DIR)/debam $(LDFLAGS)

debam: $(BINARY_DIR)/debam

models: debam detim


#### Utility Programs ####

# Grid tools
$(BINARY_DIR)/ascigrid: ./util/grid_tools/ascigrid.c
	@mkdir -p $(BINARY_DIR)
	@echo "Building ascigrid"
	$(CC) $(CFLAGS)  $< -o $@ $(LDFLAGS)

ascigrid: $(BINARY_DIR)/ascigrid

$(BINARY_DIR)/gridasci: util/grid_tools/gridasci.c
	@mkdir -p $(BINARY_DIR)
	@echo "Building gridasci"
	$(CC) $(CFLAGS)  $< -o $@ $(LDFLAGS)

gridasci: $(BINARY_DIR)/gridasci

gridtools: ascigrid gridasci

# Shading calculator
$(BINARY_DIR)/shading: ./util/shading/shading.c
	@mkdir -p $(BINARY_DIR)
	@echo "Building shading"
	$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS)

shading: $(BINARY_DIR)/shading

utils: gridtools shading


#### Big/Std targets ####

all: models utils

clean:
	-rm -r $(MODEL_BUILD_TMP)
	-rm -r $(BINARY_DIR)