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build.sh revision 1.2 
      1 #! /bin/sh
      2 #  $NetBSD: build.sh,v 1.2 2001/10/19 02:25:48 tv Exp $
      3 #
      4 # Top level build wrapper, for a system containing no tools.
      5 #
      6 # This script should run on any POSIX-compliant shell.  For systems
      7 # with a strange /bin/sh, "ksh" may be an ample alternative.
      8 #
      9 
     10 bomb () {
     11 	echo ""
     12 	echo "ERROR: $@"
     13 	echo "*** BUILD ABORTED ***"
     14 	exit 1
     15 }
     16 
     17 getarch () {
     18 	# Translate a MACHINE into a default MACHINE_ARCH.
     19 	case $MACHINE in
     20 		acorn32|cats|dnard|evbarm|hpcarm|netwinder)
     21 			MACHINE_ARCH=arm;;
     22 
     23 		sun2)
     24 			MACHINE_ARCH=m68000;;
     25 
     26 		amiga|atari|cesfic|hp300|sun3|*68k)
     27 			MACHINE_ARCH=m68k;;
     28 
     29 		mipsco|newsmips|sgimips)
     30 			MACHINE_ARCH=mipseb;;
     31 
     32 		algor|arc|cobalt|hpcmips|playstation2|pmax)
     33 			MACHINE_ARCH=mipsel;;
     34 
     35 		pc532)
     36 			MACHINE_ARCH=ns32k;;
     37 
     38 		bebox|prep|sandpoint|walnut|*ppc)
     39 			MACHINE_ARCH=powerpc;;
     40 
     41 		mmeye)
     42 			MACHINE_ARCH=sh3eb;;
     43 
     44 		dreamcast|evbsh3|hpcsh)
     45 			MACHINE_ARCH=sh3el;;
     46 
     47 		*)	MACHINE_ARCH=$MACHINE;;
     48 	esac
     49 }
     50 
     51 usage () {
     52 	echo "Usage:"
     53 	echo "$0 [-nr] [-j njobs] [-m machine] [-D destdir] [-T tooldir]"
     54 	echo "    -j: set NBUILDJOBS to njobs"
     55 	echo "    -m: set target MACHINE to machine"
     56 	echo "    -n: do not build a release (just install to DESTDIR)"
     57 	echo "    -r: remove TOOLDIR and DESTDIR before the build"
     58 	echo "    -D: set DESTDIR to destdir"
     59 	echo "    -T: set TOOLDIR to tooldir"
     60 	exit 1
     61 }
     62 
     63 while getopts j:m:nrD:T: opt; do case $opt in
     64 	j)	buildjobs="NBUILDJOBS=$OPTARG";;
     65 
     66 	m)	MACHINE=$OPTARG; getarch;; # getarch overrides MACHINE_ARCH
     67 
     68 	n)	buildtarget=build;;
     69 
     70 	r)	removedirs=true;;
     71 
     72 	D)	DESTDIR="$OPTARG";;
     73 
     74 	T)	TOOLDIR="$OPTARG";;
     75 
     76 	'?')	usage;;
     77 esac; done
     78 
     79 for var in DESTDIR TOOLDIR MACHINE; do
     80 	eval 'test -n "$'$var'"' || \
     81 		bomb "$var must be set in the environment before running build.sh"
     82 done
     83 
     84 # Set up environment.
     85 test -n "$MACHINE_ARCH" || getarch
     86 test -d usr.bin/make || bomb "build.sh must be run from the top source level"
     87 [ -d $TOOLDIR/bin ] || mkdir -p $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed"
     88 
     89 # Remove the target directories.
     90 if ${removedirs-false}; then
     91 	echo "Removing DESTDIR and TOOLDIR...."
     92 	rm -rf $DESTDIR $TOOLDIR
     93 fi
     94 
     95 # Test make source file timestamps against installed bmake binary.
     96 if [ -x $TOOLDIR/bin/bmake ]; then
     97 	for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
     98 		if [ $f -nt $TOOLDIR/bin/bmake ]; then
     99 			rebuildmake=true; break
    100 		fi
    101 	done
    102 else
    103 	rebuildmake=true
    104 fi
    105 
    106 # Build $TOOLDIR/bin/bmake.
    107 if ${rebuildmake-false}; then
    108 	echo "Building bmake...."
    109 
    110 	# Go to a temporary directory in case building .o's happens.
    111 	srcdir=`pwd`
    112 	cd ${TMPDIR-/tmp}
    113 
    114 	${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \
    115 		-o $TOOLDIR/bin/bmake -I$srcdir/usr.bin/make \
    116 		$srcdir/usr.bin/make/*.c $srcdir/usr.bin/make/lst.lib/*.c \
    117 		|| bomb "build of bmake failed"
    118 
    119 	# Clean up.
    120 	rm -f *.o
    121 	cd $srcdir
    122 
    123 	# Some compilers are just *that* braindead.
    124 	rm -f $srcdir/usr.bin/make/*.o $srcdir/usr.bin/make/lst.lib/*.o
    125 fi
    126 
    127 $TOOLDIR/bin/bmake ${buildtarget-release} -m `pwd`/share/mk \
    128 	MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \
    129 	MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH $buildjobs
    130