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build.sh revision 1.3 
      1 #! /bin/sh
      2 #  $NetBSD: build.sh,v 1.3 2001/10/19 16:43:47 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 [-r] [-j njob] [-m mach] [-D dest] [-R release] [-T tools]"
     54 	echo "    -j: set NBUILDJOBS to njob"
     55 	echo "    -m: set target MACHINE to mach"
     56 	echo "    -r: remove TOOLDIR and DESTDIR before the build"
     57 	echo "    -D: set DESTDIR to dest"
     58 	echo "    -R: build a release to release"
     59 	echo "    -T: set TOOLDIR to tools"
     60 	exit 1
     61 }
     62 
     63 while getopts hj:m:rD:R:T: opt; do case $opt in
     64 	j)	buildjobs="NBUILDJOBS=$OPTARG";;
     65 
     66 	m)	MACHINE=$OPTARG; getarch;; # getarch overrides MACHINE_ARCH
     67 
     68 	r)	removedirs=true;;
     69 
     70 	D)	DESTDIR="$OPTARG";;
     71 
     72 	R)	releasedir="RELEASEDIR=$OPTARG"; buildtarget=release;;
     73 
     74 	T)	TOOLDIR="$OPTARG";;
     75 
     76 	'?'|h)	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 
     88 # Remove the target directories.
     89 if ${removedirs-false}; then
     90 	echo "Removing DESTDIR and TOOLDIR...."
     91 	rm -rf $DESTDIR $TOOLDIR
     92 fi
     93 
     94 [ -d $TOOLDIR/bin ] || mkdir -p $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed"
     95 
     96 # Test make source file timestamps against installed bmake binary.
     97 if [ -x $TOOLDIR/bin/bmake ]; then
     98 	for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
     99 		if [ $f -nt $TOOLDIR/bin/bmake ]; then
    100 			rebuildmake=true; break
    101 		fi
    102 	done
    103 else
    104 	rebuildmake=true
    105 fi
    106 
    107 # Build $TOOLDIR/bin/bmake.
    108 if ${rebuildmake-false}; then
    109 	echo "Building bmake...."
    110 
    111 	# Go to a temporary directory in case building .o's happens.
    112 	srcdir=`pwd`
    113 	cd ${TMPDIR-/tmp}
    114 
    115 	${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \
    116 		-o $TOOLDIR/bin/bmake -I$srcdir/usr.bin/make \
    117 		$srcdir/usr.bin/make/*.c $srcdir/usr.bin/make/lst.lib/*.c \
    118 		|| bomb "build of bmake failed"
    119 
    120 	# Clean up.
    121 	rm -f *.o
    122 	cd $srcdir
    123 
    124 	# Some compilers are just *that* braindead.
    125 	rm -f $srcdir/usr.bin/make/*.o $srcdir/usr.bin/make/lst.lib/*.o
    126 fi
    127 
    128 $TOOLDIR/bin/bmake ${buildtarget-build} -m `pwd`/share/mk \
    129 	MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \
    130 	MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH \
    131 	$buildjobs $releasedir
    132