001300d84b
(Thanks Alan!) * Before attempting to use KERNOBJDIR, we now need to "make obj" in ${KERNSRCDIR}/${KERNARCHDIR}/compile, not in ${TOP}/etc as used to be the case. * Fix one place where getmakevar was invoked unconditionally. It needs to be conditional on $runcmd != "echo", so that we can rely on the existence of the new $make executable. * Add a sanity check to getmakevar, to bomb if a similar error is introduced in the future. * Changed the bomb function to print to stderr instead of to stdout, and to kill the top level shell process. Without this, an attempted bomb from inside getmakevar did not work properly. * Moved some duplicated code into a new safe_getmakevar function, which calls getmakevar if that is safe, or else emits a literal '$' followed by the variable name. Improvements from me: * Always 'trap "exit 1" 1 2 3 15', so the kill in bomb() doesn't cause ugly output.
579 lines
16 KiB
Bash
Executable File
579 lines
16 KiB
Bash
Executable File
#! /usr/bin/env sh
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|
# $NetBSD: build.sh,v 1.82 2003/01/15 01:49:03 lukem Exp $
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#
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# Top level build wrapper, for a system containing no tools.
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#
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# This script should run on any POSIX-compliant shell. For systems
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# with a strange /bin/sh, "ksh" or "bash" may be an ample alternative.
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#
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# Note, however, that due to the way the interpreter is invoked above,
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# if a POSIX-compliant shell is the first in the PATH, you won't have
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# to take any further action.
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#
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trap "exit 1" 1 2 3 15
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toppid=$$
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bomb()
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{
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cat >&2 <<ERRORMESSAGE
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ERROR: $@
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*** BUILD ABORTED ***
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ERRORMESSAGE
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kill $toppid # in case we were invoked from a subshell
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exit 1
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}
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cd "$(dirname $0)"
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[ -d usr.bin/make ] ||
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bomb "build.sh must be run from the top source level"
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[ -f share/mk/bsd.own.mk ] ||
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bomb "src/share/mk is missing; please re-fetch the source tree"
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|
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uname_s=$(uname -s 2>/dev/null)
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uname_m=$(uname -m 2>/dev/null)
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# If $PWD is a valid name of the current directory, POSIX mandates that pwd
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# return it by default which causes problems in the presence of symlinks.
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# Unsetting PWD is simpler than changing every occurrence of pwd to use -P.
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#
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# XXX Except that doesn't work on Solaris.
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unset PWD
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if [ "${uname_s}" = "SunOS" ]; then
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TOP=$(pwd -P)
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else
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TOP=$(pwd)
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fi
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|
|
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getarch()
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{
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# Translate a MACHINE into a default MACHINE_ARCH.
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case $MACHINE in
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acorn26|acorn32|cats|netwinder|shark|*arm)
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MACHINE_ARCH=arm;;
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sun2)
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MACHINE_ARCH=m68000;;
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amiga|atari|cesfic|hp300|sun3|*68k)
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MACHINE_ARCH=m68k;;
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mipsco|newsmips|sbmips|sgimips)
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MACHINE_ARCH=mipseb;;
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|
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algor|arc|cobalt|evbmips|hpcmips|playstation2|pmax)
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MACHINE_ARCH=mipsel;;
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pc532)
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MACHINE_ARCH=ns32k;;
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bebox|prep|sandpoint|*ppc)
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MACHINE_ARCH=powerpc;;
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evbsh3|mmeye)
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MACHINE_ARCH=sh3eb;;
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dreamcast|hpcsh)
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MACHINE_ARCH=sh3el;;
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hp700)
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MACHINE_ARCH=hppa;;
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evbsh5)
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MACHINE_ARCH=sh5el;;
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alpha|i386|sparc|sparc64|vax|x86_64)
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MACHINE_ARCH=$MACHINE;;
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|
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*) bomb "unknown target MACHINE: $MACHINE";;
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esac
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}
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validatearch()
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{
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# Ensure that the MACHINE_ARCH exists (and is supported by build.sh).
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case $MACHINE_ARCH in
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alpha|arm|armeb|hppa|i386|m68000|m68k|mipse[bl]|ns32k|powerpc|sh[35]e[bl]|sparc|sparc64|vax|x86_64)
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;;
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|
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*) bomb "unknown target MACHINE_ARCH: $MACHINE_ARCH";;
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esac
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}
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getmakevar()
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{
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[ -x $make ] || bomb "getmakevar $1: $make is not executable"
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$make -m ${TOP}/share/mk -s -f- _x_ <<EOF
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_x_:
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echo \${$1}
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.include <bsd.prog.mk>
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.include <bsd.kernobj.mk>
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EOF
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}
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|
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# getmakevar doesn't work properly if $make hasn't yet been built, which
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# can happen when running with the "-n" option. safe_getmakevar deals
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# with this by emitting a literal '$' followed by the variable name,
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# instead of trying to find the variable's value.
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|
safe_getmakevar()
|
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{
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if [ -x $make ]; then
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getmakevar "$1"
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else
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echo "\$$1"
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fi
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}
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resolvepath()
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{
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case $OPTARG in
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/*) ;;
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*) OPTARG="$TOP/$OPTARG";;
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esac
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}
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usage()
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{
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cat <<_usage_
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Usage: $(basename $0) [-bdEnortUu] [-a arch] [-B buildid] [-D dest]
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[-i instdir] [-j njob] [-k kernel] [-M obj] [-m mach]
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[-O obj] [-R release] [-T tools] [-V var=[value]] [-w wrapper]
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-a arch set MACHINE_ARCH to arch (otherwise deduced from MACHINE)
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-B buildid set BUILDID to buildid
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-b build nbmake and nbmake wrapper script, if needed
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-D dest set DESTDIR to dest
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-d build a full distribution into DESTDIR (including etc files)
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-E set "expert" mode; disables some DESTDIR checks
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-i instdir installworld from DESTDIR to instdir (after build completes)
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-j njob run up to njob jobs in parallel; see make(1)
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-k kernel build a kernel using the named configuration file
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-M obj set obj root directory to obj (sets MAKEOBJDIRPREFIX)
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-m mach set MACHINE to mach (not required if NetBSD native)
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-n show commands that would be executed, but do not execute them
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-O obj set obj root directory to obj (sets a MAKEOBJDIR pattern)
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-o set MKOBJDIRS=no (do not create objdirs at start of build)
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-R release build a release (and set RELEASEDIR to release)
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-r remove contents of TOOLDIR and DESTDIR before building
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-T tools set TOOLDIR to tools
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-t build and install tools only (implies -b)
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-U set UNPRIVED
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-u set UPDATE
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-V v=[val] set variable \`v' to \`val'
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-w wrapper create nbmake script at wrapper
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(default TOOLDIR/bin/nbmake-MACHINE)
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Notes:
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* The last specified option with "build" functionality will be run.
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* If -T is unset and TOOLDIR is not set in the environment,
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nbmake will be [re]built unconditionally.
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_usage_
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exit 1
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}
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# Set defaults.
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MAKEFLAGS=
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buildtarget=build
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do_buildsystem=true
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do_buildkernel=false
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do_buildtools=false
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do_rebuildmake=false
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do_removedirs=false
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expert_mode=false
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makeenv=
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makewrapper=
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installworlddir=
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opt_a=no
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opts='a:B:bD:dEhi:j:k:M:m:nO:oR:rT:tUuV:w:'
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runcmd=
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if type getopts >/dev/null 2>&1; then
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# Use POSIX getopts.
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getoptcmd='getopts $opts opt && opt=-$opt'
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optargcmd=':'
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else
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type getopt >/dev/null 2>&1 ||
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bomb "/bin/sh shell is too old; try ksh or bash"
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|
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# Use old-style getopt(1) (doesn't handle whitespace in args).
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args="$(getopt $opts $*)"
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[ $? = 0 ] || usage
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set -- $args
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getoptcmd='[ $# -gt 0 ] && opt="$1" && shift'
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optargcmd='OPTARG="$1"; shift'
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fi
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# Parse command line options.
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|
while eval $getoptcmd; do
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case $opt in
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-a) eval $optargcmd
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MACHINE_ARCH=$OPTARG; opt_a=yes;;
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-B) eval $optargcmd
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BUILDID=$OPTARG;;
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-b) do_buildsystem=false;;
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-D) eval $optargcmd; resolvepath
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DESTDIR="$OPTARG"; export DESTDIR
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makeenv="$makeenv DESTDIR";;
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-d) buildtarget=distribution;;
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-E) expert_mode=true;;
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-i) eval $optargcmd
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installworlddir=$OPTARG;;
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-j) eval $optargcmd
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parallel="-j $OPTARG";;
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-k) do_buildkernel=true; do_buildsystem=false
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eval $optargcmd
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kernconfname=$OPTARG;;
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-M) eval $optargcmd; resolvepath
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MAKEOBJDIRPREFIX="$OPTARG"; export MAKEOBJDIRPREFIX
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makeobjdir=$OPTARG
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makeenv="$makeenv MAKEOBJDIRPREFIX";;
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|
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# -m overrides MACHINE_ARCH unless "-a" is specified
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-m) eval $optargcmd
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MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;;
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-n) runcmd=echo;;
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|
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-O) eval $optargcmd; resolvepath
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MAKEOBJDIR="\${.CURDIR:C,^$TOP,$OPTARG,}"; export MAKEOBJDIR
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makeobjdir=$OPTARG
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makeenv="$makeenv MAKEOBJDIR";;
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-o) MKOBJDIRS=no;;
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-R) eval $optargcmd; resolvepath
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RELEASEDIR=$OPTARG; export RELEASEDIR
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makeenv="$makeenv RELEASEDIR"
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buildtarget=release;;
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-r) do_removedirs=true; do_rebuildmake=true;;
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|
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-T) eval $optargcmd; resolvepath
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TOOLDIR="$OPTARG"; export TOOLDIR;;
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-t) do_buildtools=true; do_buildsystem=false;;
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-U) UNPRIVED=yes; export UNPRIVED
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makeenv="$makeenv UNPRIVED";;
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|
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-u) UPDATE=yes; export UPDATE
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makeenv="$makeenv UPDATE";;
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-V) eval $optargcmd
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case "${OPTARG}" in
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# XXX: consider restricting which variables can be changed?
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[a-zA-Z_][a-zA-Z_0-9]*=*)
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var=${OPTARG%%=*}
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value=${OPTARG#*=}
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eval "${var}=\"${value}\"; export ${var}"
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makeenv="$makeenv ${var}"
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;;
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*)
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echo "-V argument must be of the form 'var=[value]'"
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usage;;
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esac
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;;
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|
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-w) eval $optargcmd; resolvepath
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makewrapper="$OPTARG";;
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--) break;;
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-'?'|-h) usage;;
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|
esac
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done
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|
|
# Set up MACHINE*. On a NetBSD host, these are allowed to be unset.
|
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if [ -z "$MACHINE" ]; then
|
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if [ "${uname_s}" != "NetBSD" ]; then
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echo "MACHINE must be set, or -m must be used, for cross builds."
|
|
echo ""; usage
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|
fi
|
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MACHINE=${uname_m}
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|
fi
|
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[ -n "$MACHINE_ARCH" ] || getarch
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validatearch
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|
|
# Set up default make(1) environment.
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makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS"
|
|
if [ ! -z "$BUILDID" ]; then
|
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makeenv="$makeenv BUILDID"
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|
fi
|
|
MAKEFLAGS="-m $TOP/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}"
|
|
export MAKEFLAGS MACHINE MACHINE_ARCH
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|
|
# Test make source file timestamps against installed nbmake binary,
|
|
# if TOOLDIR is pre-set.
|
|
#
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|
# Note that we do NOT try to grovel "mk.conf" here to find out if TOOLDIR
|
|
# is set there, because it can contain make variable expansions and other
|
|
# stuff only parseable *after* we have a working nbmake. So this logic
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# can only work if the user has pre-set TOOLDIR in the environment or
|
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# used the -T option to build.sh.
|
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#
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make="${TOOLDIR-nonexistent}/bin/nbmake"
|
|
if [ -x $make ]; then
|
|
for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
|
|
if [ $f -nt $make ]; then
|
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do_rebuildmake=true; break
|
|
fi
|
|
done
|
|
else
|
|
do_rebuildmake=true
|
|
fi
|
|
|
|
# Build bootstrap nbmake if needed.
|
|
if $do_rebuildmake; then
|
|
$runcmd echo "===> Bootstrapping nbmake"
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tmpdir="${TMPDIR-/tmp}/nbbuild$$"
|
|
|
|
$runcmd mkdir "$tmpdir" || bomb "cannot mkdir: $tmpdir"
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trap "cd /; rm -r -f \"$tmpdir\"" 0
|
|
$runcmd cd "$tmpdir"
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|
|
|
$runcmd env CC="${HOST_CC-cc}" CPPFLAGS="${HOST_CPPFLAGS}" \
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CFLAGS="${HOST_CFLAGS--O}" LDFLAGS="${HOST_LDFLAGS}" \
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"$TOP/tools/make/configure" \
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|| bomb "configure of nbmake failed"
|
|
$runcmd sh buildmake.sh || bomb "build of nbmake failed"
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|
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make="$tmpdir/nbmake"
|
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$runcmd cd "$TOP"
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$runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o
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|
fi
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|
|
|
if [ "$runcmd" = "echo" ]; then
|
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TOOLCHAIN_MISSING=no
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|
EXTERNAL_TOOLCHAIN=""
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|
else
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|
TOOLCHAIN_MISSING=$(getmakevar TOOLCHAIN_MISSING)
|
|
EXTERNAL_TOOLCHAIN=$(getmakevar EXTERNAL_TOOLCHAIN)
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|
fi
|
|
if [ "${TOOLCHAIN_MISSING}" = "yes" -a \
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"${EXTERNAL_TOOLCHAIN}" = "" ]; then
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echo "ERROR: build.sh (in-tree cross-toolchain) is not yet available for"
|
|
echo
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|
echo "MACHINE: ${MACHINE}"
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echo "MACHINE_ARCH: ${MACHINE_ARCH}"
|
|
echo
|
|
echo "All builds for this platform should be done via a traditional make"
|
|
echo
|
|
echo "If you wish to use an external cross-toolchain, set"
|
|
echo
|
|
echo "EXTERNAL_TOOLCHAIN=<path to toolchain root>"
|
|
echo
|
|
echo "in either the environment or mk.conf and rerun"
|
|
echo
|
|
echo "$0 $*"
|
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exit 1
|
|
fi
|
|
|
|
# If TOOLDIR isn't already set, make objdirs in "tools" in case the
|
|
# default setting from <bsd.own.mk> is used.
|
|
if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then
|
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$runcmd cd tools
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$runcmd $make -m ${TOP}/share/mk obj NOSUBDIR= \
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|| bomb "make obj failed in tools"
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|
$runcmd cd "$TOP"
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|
fi
|
|
|
|
#
|
|
# If setting -M or -O to root an obj dir make sure the base directory is made
|
|
# before continuing as bsd.own.mk will need this to pick up _SRC_TOP_OBJ_
|
|
#
|
|
if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then
|
|
$runcmd mkdir -p "$makeobjdir"
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|
fi
|
|
|
|
# Find DESTDIR and TOOLDIR.
|
|
DESTDIR=$(safe_getmakevar DESTDIR)
|
|
$runcmd echo "===> DESTDIR path: $DESTDIR"
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TOOLDIR=$(safe_getmakevar TOOLDIR)
|
|
$runcmd echo "===> TOOLDIR path: $TOOLDIR"
|
|
export DESTDIR TOOLDIR
|
|
|
|
# Check validity of TOOLDIR and DESTDIR.
|
|
if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then
|
|
bomb "TOOLDIR '$TOOLDIR' invalid"
|
|
fi
|
|
removedirs="$TOOLDIR"
|
|
|
|
if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then
|
|
if $do_buildsystem; then
|
|
if [ "$buildtarget" != "build" ] || \
|
|
[ "${uname_s}" != "NetBSD" ] || \
|
|
[ "${uname_m}" != "$MACHINE" ]; then
|
|
bomb "DESTDIR must be set to a non-root path for cross builds or -d or -R."
|
|
fi
|
|
if ! $expert_mode; then
|
|
bomb "DESTDIR must be set to a non-root path for non -E (expert) builds"
|
|
fi
|
|
$runcmd echo "===> WARNING: Building to /, in expert mode."
|
|
$runcmd echo "===> This may cause your system to break! Reasons include:"
|
|
$runcmd echo "===> - your kernel is not up to date"
|
|
$runcmd echo "===> - the libraries or toolchain have changed"
|
|
$runcmd echo "===> YOU HAVE BEEN WARNED!"
|
|
fi
|
|
else
|
|
removedirs="$removedirs $DESTDIR"
|
|
fi
|
|
|
|
if [ "$installworlddir" = "/" ]; then
|
|
if [ "${uname_s}" != "NetBSD" ] || \
|
|
[ "${uname_m}" != "$MACHINE" ]; then
|
|
bomb "-i installworlddir must be set to a non-root path for cross builds."
|
|
fi
|
|
fi
|
|
|
|
# Remove the target directories.
|
|
if $do_removedirs; then
|
|
for f in $removedirs; do
|
|
$runcmd echo "===> Removing $f"
|
|
$runcmd rm -r -f $f
|
|
done
|
|
fi
|
|
|
|
# Recreate $TOOLDIR.
|
|
$runcmd mkdir -p "$TOOLDIR/bin" || bomb "mkdir of '$TOOLDIR/bin' failed"
|
|
|
|
# Install nbmake if it was built.
|
|
if $do_rebuildmake; then
|
|
$runcmd rm -f "$TOOLDIR/bin/nbmake"
|
|
$runcmd cp $make "$TOOLDIR/bin/nbmake" \
|
|
|| bomb "failed to install \$TOOLDIR/bin/nbmake"
|
|
make="$TOOLDIR/bin/nbmake"
|
|
$runcmd rm -r -f "$tmpdir"
|
|
trap 0
|
|
fi
|
|
|
|
# Build a nbmake wrapper script, usable by hand as well as by build.sh.
|
|
if [ -z "$makewrapper" ]; then
|
|
makewrapper="$TOOLDIR/bin/nbmake-$MACHINE"
|
|
if [ ! -z "$BUILDID" ]; then
|
|
makewrapper="$makewrapper-$BUILDID"
|
|
fi
|
|
fi
|
|
|
|
$runcmd rm -f "$makewrapper"
|
|
if [ "$runcmd" = "echo" ]; then
|
|
echo 'cat <<EOF >'$makewrapper
|
|
makewrapout=
|
|
else
|
|
makewrapout=">>\$makewrapper"
|
|
fi
|
|
|
|
eval cat <<EOF $makewrapout
|
|
#! /bin/sh
|
|
# Set proper variables to allow easy "make" building of a NetBSD subtree.
|
|
# Generated from: \$NetBSD: build.sh,v 1.82 2003/01/15 01:49:03 lukem Exp $
|
|
#
|
|
|
|
EOF
|
|
for f in $makeenv; do
|
|
eval echo "$f=\'\$$(echo $f)\'\;\ export\ $f" $makewrapout
|
|
done
|
|
eval echo "USETOOLS=yes\; export USETOOLS" $makewrapout
|
|
|
|
eval cat <<'EOF' $makewrapout
|
|
|
|
exec "$TOOLDIR/bin/nbmake" ${1+"$@"}
|
|
EOF
|
|
[ "$runcmd" = "echo" ] && echo EOF
|
|
$runcmd chmod +x "$makewrapper"
|
|
|
|
if $do_buildsystem; then
|
|
# Build everything.
|
|
${runcmd-exec} "$makewrapper" $parallel $buildtarget \
|
|
|| bomb "failed to make $buildtarget"
|
|
else
|
|
# One or more of do_buildtools and do_buildkernel
|
|
# might be set. Do them in the appropriate order.
|
|
if $do_buildtools; then
|
|
if [ "$MKOBJDIRS" != "no" ]; then
|
|
$runcmd "$makewrapper" $parallel obj-tools \
|
|
|| bomb "failed to make obj-tools"
|
|
fi
|
|
$runcmd cd tools
|
|
if [ "$UPDATE" = "" ]; then
|
|
$runcmd "$makewrapper" cleandir dependall install \
|
|
|| bomb "failed to make tools"
|
|
else
|
|
$runcmd "$makewrapper" dependall install \
|
|
|| bomb "failed to make tools"
|
|
fi
|
|
fi
|
|
if $do_buildkernel; then
|
|
if ! $do_buildtools; then
|
|
# Building tools every time we build a kernel
|
|
# is clearly unnecessary. We could try to
|
|
# figure out whether rebuilding the tools is
|
|
# necessary this time, but it doesn't seem
|
|
# worth the trouble. Instead, we say it's the
|
|
# user's responsibility to rebuild the tools if
|
|
# necessary.
|
|
$runcmd echo "===> Building kernel" \
|
|
"without building new tools"
|
|
fi
|
|
$runcmd echo "===> Building kernel ${kernconfname}"
|
|
if [ "$MKOBJDIRS" != "no" ] && [ ! -z "$makeobjdir" ]; then
|
|
# The correct value of KERNOBJDIR might
|
|
# depend on a prior "make obj" in
|
|
# ${KERNSRCDIR}/${KERNARCHDIR}/compile.
|
|
KERNSRCDIR="$(safe_getmakevar KERNSRCDIR)"
|
|
KERNARCHDIR="$(safe_getmakevar KERNARCHDIR)"
|
|
$runcmd cd "${KERNSRCDIR}/${KERNARCHDIR}/compile"
|
|
$runcmd "$makewrapper" obj \
|
|
|| bomb "failed to make obj in " \
|
|
"${KERNSRCDIR}/${KERNARCHDIR}/compile"
|
|
$runcmd cd "$TOP"
|
|
fi
|
|
KERNCONFDIR="$(safe_getmakevar KERNCONFDIR)"
|
|
KERNOBJDIR="$(safe_getmakevar KERNOBJDIR)"
|
|
case "${kernconfname}" in
|
|
*/*)
|
|
kernconfpath="${kernconfname}"
|
|
kernconfbase="$(basename "${kernconfname}")"
|
|
;;
|
|
*)
|
|
kernconfpath="${KERNCONFDIR}/${kernconfname}"
|
|
kernconfbase="${kernconfname}"
|
|
;;
|
|
esac
|
|
kernbuilddir="${KERNOBJDIR}/${kernconfbase}"
|
|
$runcmd echo "===> Kernel build directory: ${kernbuilddir}"
|
|
$runcmd mkdir -p "${kernbuilddir}" \
|
|
|| bomb "cannot mkdir: ${kernbuilddir}"
|
|
if [ "$UPDATE" = "" ]; then
|
|
$runcmd cd "${kernbuilddir}"
|
|
$runcmd "$makewrapper" cleandir \
|
|
|| bomb "make cleandir failed in " \
|
|
"${kernbuilddir}"
|
|
$runcmd cd "$TOP"
|
|
fi
|
|
$runcmd "${TOOLDIR}/bin/nbconfig" \
|
|
-b "${kernbuilddir}" \
|
|
-s "${TOP}/sys" "${kernconfpath}" \
|
|
|| bomb "nbconfig failed for ${kernconfname}"
|
|
$runcmd cd "${kernbuilddir}"
|
|
$runcmd "$makewrapper" depend \
|
|
|| bomb "make depend failed in ${kernbuilddir}"
|
|
$runcmd "$makewrapper" $parallel all \
|
|
|| bomb "make all failed in ${kernbuilddir}"
|
|
$runcmd echo "===> New kernel should be in ${kernbuilddir}"
|
|
fi
|
|
fi
|
|
|
|
if [ -n "$installworlddir" ]; then
|
|
${runcmd-exec} "$makewrapper" INSTALLWORLDDIR=${installworlddir} \
|
|
installworld || bomb "failed to make installworld"
|
|
fi
|