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########################################################################
# Use TARG_COMPILER_FAMILY to set the C compiler name
ifeq ($(TARG_COMPILER_FAMILY),gcc)
CC := gcc
endif
ifeq ($(TARG_COMPILER_FAMILY),intel)
CC := icc
endif
########################################################################
# Use O_DIR as equal to $(TARG)/ so that if TARG is empty then O_DIR
# will be empty. But if $(TARG) as a value then O_DIR will have a
# trailing slash.
ifneq ($(TARG),)
override O_DIR := $(TARG)/
endif
########################################################################
# Use TARG_BUILD_SCENARIO to set the compiler options for either
# debug or optimize.
ifeq ($(TARG_BUILD_SCENARIO),dbg)
CF := -g -O0
endif
ifeq ($(TARG_BUILD_SCENARIO),opt)
CF := -O3
endif
EXEC := $(O_DIR)hello
SRC := main.c hello.c
override CFLAGS := $(CFLAGS) $(CF)
OBJS := $(O_DIR)main.o $(O_DIR)hello.o
all: $(O_DIR) $(EXEC)
$(O_DIR):
mkdir -p $(O_DIR)
$(EXEC): $(OBJS)
$(LINK.c) -o $@ $^
neat:
$(RM) *~
clean: neat
$(RM) $(OBJS)
clobber: clean
$(RM) $(EXEC)
######################## compilation rules ###############################
$(O_DIR)%.o : %.c
$(COMPILE.c) -o $@ -c $<
######################## Dependancies ####################################
$(O_DIR)main.o : main.c hello.h
$(O_DIR)hello.o: hello.c hello.h
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