Annotation of src/build.sh, Revision 1.11
1.1 tv 1: #! /bin/sh
1.11 ! reinoud 2: # $NetBSD: build.sh,v 1.10 2001/10/30 22:33:00 tv Exp $
1.1 tv 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 $MACHINE in
1.11 ! reinoud 20: arm26|acorn32|dnard|evbarm|hpcarm|netwinder)
1.1 tv 21: MACHINE_ARCH=arm;;
22:
1.11 ! reinoud 23: arm32|cats)
1.5 bjh21 24: MACHINE_ARCH=arm32;;
25:
1.1 tv 26: sun2)
27: MACHINE_ARCH=m68000;;
28:
29: amiga|atari|cesfic|hp300|sun3|*68k)
30: MACHINE_ARCH=m68k;;
31:
32: mipsco|newsmips|sgimips)
33: MACHINE_ARCH=mipseb;;
34:
35: algor|arc|cobalt|hpcmips|playstation2|pmax)
36: MACHINE_ARCH=mipsel;;
37:
38: pc532)
39: MACHINE_ARCH=ns32k;;
40:
41: bebox|prep|sandpoint|walnut|*ppc)
42: MACHINE_ARCH=powerpc;;
43:
44: mmeye)
45: MACHINE_ARCH=sh3eb;;
46:
47: dreamcast|evbsh3|hpcsh)
48: MACHINE_ARCH=sh3el;;
49:
1.5 bjh21 50: alpha|i386|sparc|sparc64|vax|x86_64)
1.4 tv 51: MACHINE_ARCH=$MACHINE;;
52:
53: *) bomb "unknown target MACHINE: $MACHINE";;
1.1 tv 54: esac
55: }
56:
1.4 tv 57: # Emulate "mkdir -p" for systems that have an Old "mkdir".
58: mkdirp () {
59: IFS=/; set -- $@; unset IFS
60: _d=
61: if [ "$1" = "" ]; then _d=/; shift; fi
62:
63: for _f in "$@"; do
64: if [ "$_f" != "" ]; then
1.10 tv 65: [ -d "$_d$_f" ] || $runcmd mkdir "$_d$_f" || return 1
1.4 tv 66: _d="$_d$_f/"
67: fi
68: done
69: }
70:
1.10 tv 71: resolvepath () {
72: case $OPTARG in
73: /*) ;;
74: *) OPTARG="$cwd/$OPTARG";;
75: esac
76: }
77:
1.1 tv 78: usage () {
79: echo "Usage:"
1.4 tv 80: echo "$0 [-r] [-a arch] [-j njob] [-m mach] [-D dest] [-R release] [-T tools]"
1.10 tv 81: echo " -m: set target MACHINE to mach (REQUIRED)"
82: echo " -D: set DESTDIR to dest (REQUIRED unless -b is specified)"
83: echo " -T: set TOOLDIR to tools (REQUIRED)"
1.4 tv 84: echo ""
85: echo " -a: set target MACHINE_ARCH to arch (otherwise deduced from MACHINE)"
1.10 tv 86: echo " -b: do not build the system; just build nbmake if required."
1.3 tv 87: echo " -j: set NBUILDJOBS to njob"
1.10 tv 88: echo " -n: show the commands that would be executed, but do not execute them"
1.1 tv 89: echo " -r: remove TOOLDIR and DESTDIR before the build"
1.4 tv 90: echo " -R: build a release (set RELEASEDIR) to release"
1.1 tv 91: exit 1
92: }
93:
1.10 tv 94: # Set defaults.
95: cwd=`pwd`
96: do_buildsystem=true
97: do_rebuildmake=false
98: do_removedirs=false
99: opt_a=no
100: opts='a:bhj:m:nrD:R:T:'
101: runcmd=''
1.4 tv 102:
103: if type getopts >/dev/null 2>&1; then
104: # Use POSIX getopts.
105: getoptcmd='getopts $opts opt && opt=-$opt'
106: optargcmd=':'
107: else
108: type getopt >/dev/null 2>&1 || bomb "/bin/sh shell is too old; try ksh"
1.2 tv 109:
1.4 tv 110: # Use old-style getopt(1) (doesn't handle whitespace in args).
111: args="`getopt $opts $*`"
112: [ $? = 0 ] || usage
113: set -- $args
1.1 tv 114:
1.4 tv 115: getoptcmd='[ $# -gt 0 ] && opt="$1" && shift'
116: optargcmd='OPTARG="$1"; shift'
117: fi
1.10 tv 118:
119: # Parse command line options.
1.4 tv 120: while eval $getoptcmd; do case $opt in
121: -a) eval $optargcmd
122: MACHINE_ARCH=$OPTARG; opt_a=yes;;
1.1 tv 123:
1.10 tv 124: -b) do_buildsystem=false;;
1.9 jmc 125:
1.4 tv 126: -j) eval $optargcmd
1.10 tv 127: buildjobflag="NBUILDJOBS=$OPTARG";;
1.1 tv 128:
1.4 tv 129: # -m overrides MACHINE_ARCH unless "-a" is specified
130: -m) eval $optargcmd
131: MACHINE=$OPTARG; [ "$opt_a" != "yes" ] && getarch;;
1.3 tv 132:
1.10 tv 133: -n) runcmd=echo;;
134:
135: -r) do_removedirs=true; do_rebuildmake=true;;
1.1 tv 136:
1.10 tv 137: -D) eval $optargcmd; resolvepath
1.4 tv 138: DESTDIR="$OPTARG";;
139:
1.10 tv 140: -R) eval $optargcmd; resolvepath
141: releasedirflag="RELEASEDIR=$OPTARG"; buildtarget=release;;
1.4 tv 142:
1.10 tv 143: -T) eval $optargcmd; resolvepath
1.4 tv 144: TOOLDIR="$OPTARG";;
145:
146: --) break;;
147: -'?'|-h) usage;;
1.1 tv 148: esac; done
149:
1.10 tv 150: # Check required environment; DESTDIR only needed if building.
151: checkvars='MACHINE TOOLDIR'
152: $do_buildsystem && checkvars="$checkvars DESTDIR"
153:
154: for var in $checkvars; do
155: if ! eval '[ -n "$'$var'" ]'; then
1.4 tv 156: echo "$var must be set in the environment before running build.sh."
157: echo ""; usage
158: fi
1.1 tv 159: done
160:
161: # Set up environment.
1.10 tv 162: [ -n "$MACHINE_ARCH" ] || getarch
163: [ -d usr.bin/make ] || bomb "build.sh must be run from the top source level"
1.1 tv 164:
165: # Remove the target directories.
1.10 tv 166: if $do_removedirs; then
1.1 tv 167: echo "Removing DESTDIR and TOOLDIR...."
1.10 tv 168: $runcmd rm -rf $DESTDIR $TOOLDIR
1.1 tv 169: fi
170:
1.4 tv 171: mkdirp $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed"
1.3 tv 172:
1.4 tv 173: # Test make source file timestamps against installed nbmake binary.
174: if [ -x $TOOLDIR/bin/nbmake ]; then
1.1 tv 175: for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
1.4 tv 176: if [ $f -nt $TOOLDIR/bin/nbmake ]; then
1.10 tv 177: do_rebuildmake=true; break
1.1 tv 178: fi
179: done
180: else
1.10 tv 181: do_rebuildmake=true
1.1 tv 182: fi
183:
1.4 tv 184: # Build $TOOLDIR/bin/nbmake.
1.10 tv 185: if $do_rebuildmake; then
1.4 tv 186: echo "Building nbmake...."
1.1 tv 187:
188: # Go to a temporary directory in case building .o's happens.
1.4 tv 189: tmpdir=${TMPDIR-/tmp}/nbbuild$$
190:
1.10 tv 191: $runcmd mkdir $tmpdir || bomb "cannot mkdir: $tmpdir"
1.4 tv 192: trap "rm -r -f $tmpdir" 0
193: trap "exit 1" 1 2 3 15
1.10 tv 194: $runcmd cd $tmpdir
1.1 tv 195:
1.10 tv 196: ${runcmd-eval} "${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \
197: -o $TOOLDIR/bin/nbmake -I$cwd/usr.bin/make \
198: $cwd/usr.bin/make/*.c $cwd/usr.bin/make/lst.lib/*.c" \
1.4 tv 199: || bomb "build of nbmake failed"
1.1 tv 200:
201: # Clean up.
1.10 tv 202: $runcmd cd $cwd
203: $runcmd rm -r -f $tmpdir
1.4 tv 204: trap 0 1 2 3 15
1.1 tv 205:
206: # Some compilers are just *that* braindead.
1.10 tv 207: ${runcmd-eval} "rm -f $cwd/usr.bin/make/*.o \
208: $cwd/usr.bin/make/lst.lib/*.o"
1.1 tv 209: fi
210:
1.4 tv 211: # Build a nbmake wrapper script, usable by hand as well as by build.sh.
212: makeprog=$TOOLDIR/bin/nbmake-$MACHINE
213:
1.10 tv 214: if $do_rebuildmake || [ ! -f $makeprog ] || [ $makeprog -ot build.sh ]; then
1.4 tv 215: rm -f $makeprog
1.10 tv 216: if [ "$runcmd" = "echo" ]; then
217: mkscriptcmd='echo "cat >$makeprog <<EOF" && cat'
218: else
219: mkscriptcmd="cat >$makeprog"
220: fi
221: eval $mkscriptcmd <<EOF
1.4 tv 222: #! /bin/sh
223: # Set proper variables to allow easy "make" building of a NetBSD subtree.
1.11 ! reinoud 224: # Generated from: \$NetBSD: build.sh,v 1.10 2001/10/30 22:33:00 tv Exp $
1.4 tv 225: #
226: exec $TOOLDIR/bin/nbmake MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH \
1.8 tv 227: USETOOLS=yes USE_NEW_TOOLCHAIN=yes TOOLDIR="$TOOLDIR" \${1+\$@}
1.4 tv 228: EOF
1.10 tv 229: [ "$runcmd" = "echo" ] && echo EOF
230: $runcmd chmod +x $makeprog
1.4 tv 231: fi
232:
1.10 tv 233: if $do_buildsystem; then
234: ${runcmd-exec} $makeprog -m `pwd`/share/mk ${buildtarget-build} \
1.9 jmc 235: MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \
1.10 tv 236: $buildjobflag $releasedirflag
1.9 jmc 237: fi
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