#! /bin/sh # $NetBSD: build.sh,v 1.19 2001/11/05 02:17:47 dillo Exp $ # # Top level build wrapper, for a system containing no tools. # # This script should run on any POSIX-compliant shell. For systems # with a strange /bin/sh, "ksh" may be an ample alternative. # bomb () { echo "" echo "ERROR: $@" echo "*** BUILD ABORTED ***" exit 1 } [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level" getarch () { # Translate a MACHINE into a default MACHINE_ARCH. case $MACHINE in arm26|dnard|evbarm|hpcarm|netwinder) MACHINE_ARCH=arm;; acorn32|arm32|cats) MACHINE_ARCH=arm32;; sun2) MACHINE_ARCH=m68000;; amiga|atari|cesfic|hp300|sun3|*68k) MACHINE_ARCH=m68k;; mipsco|newsmips|sgimips) MACHINE_ARCH=mipseb;; algor|arc|cobalt|hpcmips|playstation2|pmax) MACHINE_ARCH=mipsel;; pc532) MACHINE_ARCH=ns32k;; bebox|prep|sandpoint|walnut|*ppc) MACHINE_ARCH=powerpc;; mmeye) MACHINE_ARCH=sh3eb;; dreamcast|evbsh3|hpcsh) MACHINE_ARCH=sh3el;; alpha|i386|sparc|sparc64|vax|x86_64) MACHINE_ARCH=$MACHINE;; *) bomb "unknown target MACHINE: $MACHINE";; esac } getmakevar () { cat < EOF } # Emulate "mkdir -p" for systems that have an Old "mkdir". mkdirp () { IFS=/; set -- $@; unset IFS _d= if [ -z "$1" ]; then _d=/; shift; fi for _f in "$@"; do if [ -n "$_f" ]; then [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1 _d="$_d$_f/" fi done } resolvepath () { case $OPTARG in /*) ;; *) OPTARG="$cwd/$OPTARG";; esac } usage () { echo "Usage:" echo "$0 [-boru] [-a arch] [-j njob] -m mach [-w wrapper]" echo " [-D dest] [-O obj] [-R release] [-T tools]" echo "" echo " -a: set MACHINE_ARCH to arch (otherwise deduced from MACHINE)" echo " -b: build nbmake and nbmake wrapper script, if needed" echo " -j: set NBUILDJOBS to njob" echo " -m: set MACHINE to mach (not required if NetBSD native)" echo " -n: show commands that would be executed, but do not execute them" echo " -o: set MKOBJDIRS=no (do not create objdirs at start of build)" echo " -r: remove contents of TOOLDIR and DESTDIR before building" echo " -t: build and install tools only (implies -b)" echo " -u: set UPDATE" echo " -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)" echo " -D: set DESTDIR to dest" echo " -O: set obj root directory to obj (sets a MAKEOBJDIR pattern)" echo " -R: build a release (and set RELEASEDIR to release)" echo " -T: set TOOLDIR to tools" echo "" echo "Note: if -T is unset and TOOLDIR is not set in the environment," echo " nbmake will be [re]built unconditionally." exit 1 } # Set defaults. MAKEFLAGS= buildtarget=build cwd=`pwd` do_buildsystem=true do_buildonlytools=false do_rebuildmake=false do_removedirs=false makeenv= makewrapper= opt_a=no opts='a:bhj:m:nortuw:D:O:R:T:' runcmd= if type getopts >/dev/null 2>&1; then # Use POSIX getopts. getoptcmd='getopts $opts opt && opt=-$opt' optargcmd=':' else type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh" # Use old-style getopt(1) (doesn't handle whitespace in args). args="`getopt $opts $*`" [ $? = 0 ] || usage set -- $args getoptcmd='[ $# -gt 0 ] && opt="$1" && shift' optargcmd='OPTARG="$1"; shift' fi # Parse command line options. while eval $getoptcmd; do case $opt in -a) eval $optargcmd MACHINE_ARCH=$OPTARG; opt_a=yes;; -b) do_buildsystem=false;; -j) eval $optargcmd MAKEFLAGS="$MAKEFLAGS NBUILDJOBS=$OPTARG"; export MAKEFLAGS;; # -m overrides MACHINE_ARCH unless "-a" is specified -m) eval $optargcmd MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;; -n) runcmd=echo;; -o) MKOBJDIRS=no;; -r) do_removedirs=true; do_rebuildmake=true;; -t) do_buildonlytools=true; do_buildsystem=false;; -u) UPDATE=yes; export UPDATE makeenv="$makeenv UPDATE";; -w) eval $optargcmd; resolvepath makewrapper="$OPTARG";; -D) eval $optargcmd; resolvepath DESTDIR="$OPTARG"; export DESTDIR makeenv="$makeenv DESTDIR";; -O) eval $optargcmd; resolvepath MAKEOBJDIR="\${.CURDIR:C,^$cwd,$OPTARG,}"; export MAKEOBJDIR makeenv="$makeenv MAKEOBJDIR";; -R) eval $optargcmd; resolvepath RELEASEDIR=$OPTARG; export RELEASEDIR makeenv="$makeenv RELEASEDIR" buildtarget=release;; -T) eval $optargcmd; resolvepath TOOLDIR="$OPTARG"; export TOOLDIR;; --) break;; -'?'|-h) usage;; esac; done # Set up MACHINE*. On a NetBSD host, these are allowed to be unset. if [ -z "$MACHINE" ]; then if [ "`uname -s 2>/dev/null`" != "NetBSD" ]; then echo "MACHINE must be set, or -m must be used, for cross builds." echo ""; usage fi MACHINE=`uname -m` fi [ -n "$MACHINE_ARCH" ] || getarch # Set up default make(1) environment. makeenv="$makeenv TOOLDIR MACHINE MACHINE_ARCH MAKEFLAGS" MAKEFLAGS="-m $cwd/share/mk $MAKEFLAGS MKOBJDIRS=${MKOBJDIRS-yes}" export MAKEFLAGS MACHINE MACHINE_ARCH # Test make source file timestamps against installed nbmake binary, # if TOOLDIR is pre-set. 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 do_rebuildmake=true; break fi done else do_rebuildmake=true fi # Build bootstrap nbmake if needed. if $do_rebuildmake; then $runcmd echo "===> Bootstrapping nbmake" tmpdir=${TMPDIR-/tmp}/nbbuild$$ $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir" trap "rm -r -f $tmpdir" 0 trap "exit 1" 1 2 3 15 $runcmd cd $tmpdir $runcmd ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \ -o nbmake -I$cwd/usr.bin/make \ $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c \ || bomb "build of nbmake failed" make=$tmpdir/nbmake $runcmd cd $cwd $runcmd rm -f usr.bin/make/*.o usr.bin/make/lst.lib/*.o fi # If TOOLDIR isn't already set, make objdirs in "tools" in case the # default setting from is used. if [ -z "$TOOLDIR" ] && [ "$MKOBJDIRS" != "no" ]; then $runcmd cd tools $runcmd $make obj NOSUBDIR= || exit 1 $runcmd cd .. fi # Find DESTDIR and TOOLDIR. if [ "$runcmd" = "echo" ]; then DESTDIR='$DESTDIR' TOOLDIR='$TOOLDIR' else DESTDIR=`getmakevar DESTDIR`; echo "===> DESTDIR path: $DESTDIR" TOOLDIR=`getmakevar TOOLDIR`; echo "===> TOOLDIR path: $TOOLDIR" export DESTDIR TOOLDIR fi # Check validity of TOOLDIR and DESTDIR. if [ -z "$TOOLDIR" ] || [ "$TOOLDIR" = "/" ]; then bomb "TOOLDIR '$TOOLDIR' invalid" fi removedirs="$TOOLDIR" if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then if $do_buildsystem && \ ([ "$buildtarget" = "release" ] || \ [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \ [ "`uname -m`" != "$MACHINE" ]); then bomb "DESTDIR must be set to a non-root path for cross builds or -R." elif $do_buildsystem; then echo "===> WARNING: Building to /." echo "===> If your kernel is not up to date, this may cause the system to break!" fi else removedirs="$removedirs $DESTDIR" fi # Remove the target directories. if $do_removedirs; then for f in $removedirs; do echo "===> Removing $f" $runcmd rm -r -f $f done fi # Recreate $TOOLDIR. mkdirp $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 $runcmd rm -r -f $tmpdir trap 0 1 2 3 15 fi # Build a nbmake wrapper script, usable by hand as well as by build.sh. if [ -z "$makewrapper" ]; then makewrapper=$TOOLDIR/bin/nbmake-$MACHINE fi if $do_rebuildmake || [ ! -f $makewrapper ] || [ $makewrapper -ot build.sh ]; then $runcmd rm -f $makewrapper if [ "$runcmd" = "echo" ]; then echo 'cat <'$makewrapper makewrapout= else makewrapout=">>$makewrapper" fi eval cat <