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# /usr/src/libc/Makefile 7/23/91
# Assumes $(SRCPATH) defines root libc source directory, e.g. /usr/src/libc.
# To build a new libc.a, move to an empty object directory and
# type "make SRCPATH=/usr/src/libc" (or other pathname as appropriate).
# This takes about 20 minutes from scratch on 20 MHz 386.

# Copyright module is first entry in the archive.
OBJ=\
	copyright.o

# Primary target.
# The order of targets here is significant.
# dstdio must be the last target, because it plays tricks to reduce size
# of executable if stdio is not required.
# dgen is next to last because e.g. perror() references stdio.
all:	ROOT dcrt dstring dsys dgen dstdio
	: libc done.

# Pseudotargets.
# The lower case pseudotargets are made every time to check each subdirectory.
# The upper case pseudotargets indicate when the objects in a given directory
# were last made, allowing replacement of only the stale object files.
ROOT:	$(OBJ)
	ar rckus libc.a $?
	touch $@
dcrt:	
	make SRCPATH=$(SRCPATH)/crt
dgen:
	make SRCPATH=$(SRCPATH)/gen
dstdio:
	make SRCPATH=$(SRCPATH)/stdio
dstring:
	make SRCPATH=$(SRCPATH)/string
dsys:
	make SRCPATH=$(SRCPATH)/sys

# Secondary targets.
copyright.o:	$(SRCPATH)/gen/copyright.c

clean:
	rm *.o

# end of /usr/src/libc/Makefile

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