34 lines
975 B
Makefile
34 lines
975 B
Makefile
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CFLAGS_FILE?=.cflags
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COMPILE_TEST_FILE?=.test.c
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PREFIX?=/usr/local
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all: dsvpn
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dsvpn: $(CFLAGS_FILE) Makefile src/vpn.c src/charm.c src/os.c include/charm.h include/vpn.h include/os.h
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$(CC) $$(cat "$(CFLAGS_FILE)") $(OPTFLAGS) -Iinclude -o $@ src/vpn.c src/charm.c src/os.c
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strip $@
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install: dsvpn
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install -d $(PREFIX)/sbin
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install -m 0755 dsvpn $(PREFIX)/sbin
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uninstall:
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rm -f $(PREFIX)/sbin/dsvpn
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clean:
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rm -f dsvpn *~ $(CFLAGS_FILE) $(COMPILE_TEST_FILE)
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$(CFLAGS_FILE):
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@CFLAGS="$(CFLAGS)"
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@if [ -z "$$CFLAGS" ]; then \
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if [ ! -r "$(CFLAGS_FILE)" ]; then \
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echo "int main(void) { return 0; }" > "$(COMPILE_TEST_FILE)"; \
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for flag in -march=native -mtune=native -Ofast -Wno-unused-command-line-argument; do \
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$(CC) $${CFLAGS} $${flag} "$(COMPILE_TEST_FILE)" >/dev/null 2>&1 && CFLAGS="$$CFLAGS $$flag"; \
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done; \
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rm -f a.out \
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CFLAGS="$${CFLAGS} -Wall -W -Wshadow -Wmissing-prototypes"; \
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fi \
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fi; \
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echo "$$CFLAGS" > "$(CFLAGS_FILE)"
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