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Makefile
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Makefile
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APP = circuit_sim
SRCEXT = c
SRCDIR = src
OBJDIR = obj
BINDIR = bin
SRCS := $(shell find $(SRCDIR) -name '*.$(SRCEXT)')
SRCDIRS := $(shell find . -name '*.$(SRCEXT)' -exec dirname {} \; | uniq)
OBJS := $(patsubst %.$(SRCEXT),$(OBJDIR)/%.o,$(SRCS))
DEBUG = -g
INCLUDES = -I.
CFLAGS = -Wall -pedantic -ansi -c $(DEBUG) $(INCLUDES)
LDFLAGS = -lgsl -lgslcblas -lm
ifeq ($(SRCEXT), cpp)
CC = $(CXX)
else
CFLAGS += -std=gnu99
endif
.PHONY: all clean distclean
all: $(BINDIR)/$(APP)
$(BINDIR)/$(APP): buildrepo $(OBJS)
@mkdir -p `dirname $@`
@echo "Linking $@..."
@$(CC) $(OBJS) $(LDFLAGS) -o $@
$(OBJDIR)/%.o: %.$(SRCEXT)
@echo "Generating dependencies for $<..."
@$(call make-depend,$<,$@,$(subst .o,.d,$@))
@echo "Compiling $<..."
@$(CC) $(CFLAGS) $< -o $@
clean:
$(RM) -r $(OBJDIR)
distclean: clean
$(RM) -r $(BINDIR)
buildrepo:
@$(call make-repo)
define make-repo
for dir in $(SRCDIRS); \
do \
mkdir -p $(OBJDIR)/$$dir; \
done
endef
# usage: $(call make-depend,source-file,object-file,depend-file)
define make-depend
$(CC) -MM \
-MF $3 \
-MP \
-MT $2 \
$(CFLAGS) \
$1
endef