ubase/Makefile

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Makefile
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include config.mk
.POSIX:
.SUFFIXES: .c .o
HDR = arg.h ubase.h util.h
LIB = \
util/eprintf.o \
util/estrtol.o \
util/grabmntinfo.o
SRC = \
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df.c \
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dmesg.c \
halt.c \
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insmod.c \
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lsmod.c \
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mkswap.c \
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mount.c \
reboot.c \
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rmmod.c \
stat.c \
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swapoff.c \
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swapon.c \
umount.c \
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unshare.c
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OBJ = $(SRC:.c=.o) $(LIB)
BIN = $(SRC:.c=)
MAN = $(SRC:.c=.1)
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all: options binlib
options:
@echo ubase build options:
@echo "CFLAGS = $(CFLAGS)"
@echo "LDFLAGS = $(LDFLAGS)"
@echo "CC = $(CC)"
binlib: util.a
$(MAKE) bin
bin: $(BIN)
$(OBJ): util.h config.mk
.o:
@echo LD $@
@$(LD) -o $@ $< util.a $(LDFLAGS)
.c.o:
@echo CC $<
@$(CC) -c -o $@ $< $(CFLAGS)
util.a: $(LIB)
@echo AR $@
@$(AR) -r -c $@ $(LIB)
@ranlib $@
install: all
@echo installing executables to $(DESTDIR)$(PREFIX)/bin
@mkdir -p $(DESTDIR)$(PREFIX)/bin
@cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
@cd $(DESTDIR)$(PREFIX)/bin && chmod 755 $(BIN)
@echo installing manual pages to $(DESTDIR)$(MANPREFIX)/man1
@mkdir -p $(DESTDIR)$(MANPREFIX)/man1
@cp -f $(MAN) $(DESTDIR)$(MANPREFIX)/man1
@cd $(DESTDIR)$(MANPREFIX)/man1 && chmod 644 $(MAN)
uninstall:
@echo removing executables from $(DESTDIR)$(PREFIX)/bin
@cd $(DESTDIR)$(PREFIX)/bin && rm -f $(BIN)
@echo removing manual pages from $(DESTDIR)$(MANPREFIX)/man1
@cd $(DESTDIR)$(MANPREFIX)/man1 && rm -f $(MAN)
dist: clean
@echo creating dist tarball
@mkdir -p ubase-$(VERSION)
@cp -r LICENSE Makefile config.mk $(SRC) $(MAN) util $(HDR) ubase-$(VERSION)
@tar -cf ubase-$(VERSION).tar ubase-$(VERSION)
@gzip ubase-$(VERSION).tar
@rm -rf ubase-$(VERSION)
ubase-box: $(SRC) util.a
@echo creating box binary
@mkdir -p build
@cp $(HDR) build
@for f in $(SRC); do sed "s/^main(/`basename $$f .c`_&/" < $$f > build/$$f; done
@echo '#include <libgen.h>' > build/$@.c
@echo '#include <stdlib.h>' >> build/$@.c
@echo '#include <string.h>' >> build/$@.c
@echo '#include "util.h"' >> build/$@.c
@for f in $(SRC); do echo "int `basename $$f .c`_main(int, char **);" >> build/$@.c; done
@echo 'int main(int argc, char *argv[]) { char *s = basename(argv[0]); if(0) ;' >> build/$@.c
@for f in $(SRC); do echo "else if(!strcmp(s, \"`basename $$f .c`\")) `basename $$f .c`_main(argc, argv);" >> build/$@.c; done
@printf 'else eprintf("%%s: unknown program\\n", s); return EXIT_SUCCESS; }\n' >> build/$@.c
@echo LD $@
@$(LD) -o $@ build/*.c util.a $(CFLAGS) $(LDFLAGS)
@rm -r build
clean:
@echo cleaning
@rm -f $(BIN) $(OBJ) $(LIB) util.a ubase-box