c-basic/Makefile

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Makefile
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#SOURCES = $(wildcard *.c)
#BINARIES = $(SOURCES:%.c=%)
#CFLAGS = -g
#CC = gcc
#
#all: pre $(BINARIES)
#
#pre:
# @mkdir -p bin huffman/bin huffman/testfiles
#
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.PHONY = all pre testfiles bigfiles
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SOURCES = $(wildcard *.c)
BINARIES = $(SOURCES:%.c=%)
EXECUTABLES= $(addprefix bin/,${BINARIES})
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all: pre $(EXECUTABLES) huffman/bin/huffman testfiles
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big: all bigfiles
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pre:
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@mkdir -p bin huffman/bin huffman/testfiles
clean:
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rm -rvf bin huffman/testfiles huffman/bin
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huffman/bin/huffman: huffman/huffman.c
$(CC) $(CFLAGS) -o $@ $< -lm
testfiles:
dd if=/dev/urandom of=huffman/testfiles/1K-random.img count=1KiB
dd if=/dev/urandom of=huffman/testfiles/10K-random.img count=10KiB
dd if=/dev/urandom of=huffman/testfiles/100K-random.img count=100KiB
dd if=/dev/zero of=huffman/testfiles/1K-zero.img count=1KiB
dd if=/dev/zero of=huffman/testfiles/10K-zero.img count=10KiB
dd if=/dev/zero of=huffman/testfiles/100K-zero.img count=100KiB
bigfiles:
dd if=/dev/urandom of=huffman/testfiles/1M-random.img count=1MiB
dd if=/dev/urandom of=huffman/testfiles/10M-random.img count=10MiB
dd if=/dev/urandom of=huffman/testfiles/100M-random.img count=100MiB
dd if=/dev/zero of=huffman/testfiles/1M-zero.img count=1MiB
dd if=/dev/zero of=huffman/testfiles/10M-zero.img count=10MiB
dd if=/dev/zero of=huffman/testfiles/100M-zero.img count=100MiB
dd if=/dev/urandom of=huffman/testfiles/1G-random.img count=1GiB
dd if=/dev/urandom of=huffman/testfiles/10G-random.img count=10GiB
dd if=/dev/zero of=huffman/testfiles/1G-zero.img count=1GiB
dd if=/dev/zero of=huffman/testfiles/10G-zero.img count=10GiB
@echo -e "Wer\ndas\nliest\nist\ndoof\n" > huffman/testfiles/small.txt
@man gcc > huffman/testfiles/mid.txt
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$(EXECUTABLES): $(SOURCES)
$(CC) $(CFLAGS) -o $@ $< -lm