usr/src/include/Makefile.install

#       @(#)Makefile.install    5.7 (Berkeley) %G%
#
# Makefile for /usr/include, used to convert system include subdirectories
# between symbolic links and copies of kernel headers.  May also be used to
# update copies from kernel header files.
#
# The ``rm -rf''s used below are safe because rm doesn't follow symbolic
# links.
#

SYS=/sys
DIRS=   sys net netimp netinet netns ${MACHINE}
.if (${MACHINE} == "tahoe")
DIRS+=  tahoeif tahoevba
.elif (${MACHINE} == "vax")
DIRS+=  vaxif vaxmba vaxuba
.endif

all:
        @echo "\"make symlinks\", \"make copies\", or \"make update\" only"
        @false

copies:
        rm -rf machine
        ln -s ${MACHINE} machine
        -for i in ${DIRS}; do \
                rm -rf $$i; \
                (cd ${SYS}; tar cf - $$i/*.h) | tar xpfB -; \
        done

symlinks:
        rm -rf machine
        ln -s ${MACHINE} machine
        for i in ${DIRS}; do \
                rm -rf $$i; \
                ln -s ${SYS}/$$i $$i; \
        done

update:
        rm -rf machine
        ln -s ${MACHINE} machine
        -for i in ${DIRS}; do \
                if [ ! -d $$i ]; \
                then \
                        mkdir $$i; \
                fi; \
                for j in `cd ${SYS}/$$i; echo *.[ih]`; do \
                        cmp -s ${SYS}/$$i/$$j $$i/$$j || \
                        install -c -o ${BINOWN} -g ${BINGRP} -m 444 \
                            ${SYS}/$$i/$$j $$i/$$j; \
                done; \
        done

clean cleandir depend lint tags: