[src/trunk]: src Script to automate bootstrapping a build on any host platfor...

[tv <tv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/09553f89ee75
branches:  trunk
changeset: 516237:09553f89ee75
user:      tv <tv%NetBSD.org@localhost>
date:      Fri Oct 19 02:21:03 2001 +0000

description:
Script to automate bootstrapping a build on any host platform.  Creates
a bmake (rebuilds, if necessary) and invokes that to start the build.

diffstat:

 build.sh |  125 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 125 insertions(+), 0 deletions(-)

diffs (129 lines):

diff -r ca9e7b76d93d -r 09553f89ee75 build.sh
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/build.sh  Fri Oct 19 02:21:03 2001 +0000
@@ -0,0 +1,125 @@
+#! /bin/sh
+#  $NetBSD: build.sh,v 1.1 2001/10/19 02:21:03 tv 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
+}
+
+getarch () {
+       # Translate a MACHINE into a default MACHINE_ARCH.
+       case $MACHINE in
+               acorn32|cats|dnard|evbarm|hpcarm|netwinder)
+                       MACHINE_ARCH=arm;;
+
+               sun2)
+                       MACHINE_ARCH=m68000;;
+
+               amiga|atari|cesfic|hp300|sun3|*68k)
+                       MACHINE_ARCH=m68k;;
+
+               mipsco|newsmips|sgimips)
+                       MACHINE_ARCH=mipseb;;
+
+               algor|arc|cobalt|hpcmips|playstation2|pmax)
+                       MACHINE_ARCH=mipsel;;
+
+               pc532)
+                       MACHINE_ARCH=ns32k;;
+
+               bebox|prep|sandpoint|walnut|*ppc)
+                       MACHINE_ARCH=powerpc;;
+
+               mmeye)
+                       MACHINE_ARCH=sh3eb;;
+
+               dreamcast|evbsh3|hpcsh)
+                       MACHINE_ARCH=sh3el;;
+
+               *)      MACHINE_ARCH=$MACHINE;;
+       esac
+}
+
+usage () {
+       echo "Usage:"
+       echo "$0 [-nr] [-m machine] [-D destdir] [-T tooldir]"
+       echo "    -m: set target MACHINE to machine"
+       echo "    -n: do not build a release (just install to DESTDIR)"
+       echo "    -r: remove TOOLDIR and DESTDIR before the build"
+       echo "    -D: set DESTDIR to destdir"
+       echo "    -T: set TOOLDIR to tooldir"
+       exit 1
+}
+
+while getopts m:nrD:T: opt; do case $opt in
+       m)      MACHINE=$OPTARG; getarch;; # getarch overrides MACHINE_ARCH
+
+       n)      buildtarget=build;;
+
+       r)      removedirs=true;;
+
+       D)      DESTDIR="$OPTARG";;
+
+       T)      TOOLDIR="$OPTARG";;
+
+       '?')    usage;;
+esac; done
+
+for var in DESTDIR TOOLDIR MACHINE; do
+       eval 'test -n "$'$var'"' || \
+               bomb "$var must be set in the environment before running build.sh"
+done
+
+# Set up environment.
+test -n "$MACHINE_ARCH" || getarch
+test -d usr.bin/make || bomb "build.sh must be run from the top source level"
+[ -d $TOOLDIR/bin ] || mkdir -p $TOOLDIR/bin || bomb "mkdir of $TOOLDIR/bin failed"
+
+# Remove the target directories.
+if ${removedirs-false}; then
+       echo "Removing DESTDIR and TOOLDIR...."
+       rm -rf $DESTDIR $TOOLDIR
+fi
+
+# Test make source file timestamps against installed bmake binary.
+if [ -x $TOOLDIR/bin/bmake ]; then
+       for f in usr.bin/make/*.[ch] usr.bin/make/lst.lib/*.[ch]; do
+               if [ $f -nt $TOOLDIR/bin/bmake ]; then
+                       rebuildmake=true; break
+               fi
+       done
+else
+       rebuildmake=true
+fi
+
+# Build $TOOLDIR/bin/bmake.
+if ${rebuildmake-false}; then
+       echo "Building bmake...."
+
+       # Go to a temporary directory in case building .o's happens.
+       srcdir=`pwd`
+       cd ${TMPDIR-/tmp}
+
+       ${HOST_CC-cc} ${HOST_CFLAGS} -DMAKE_BOOTSTRAP \
+               -o $TOOLDIR/bin/bmake -I$srcdir/usr.bin/make \
+               $srcdir/usr.bin/make/*.c $srcdir/usr.bin/make/lst.lib/*.c
+
+       # Clean up.
+       rm -f *.o
+       cd $srcdir
+
+       # Some compilers are just *that* braindead.
+       rm -f $srcdir/usr.bin/make/*.o $srcdir/usr.bin/make/lst.lib/*.o
+fi
+
+$TOOLDIR/bin/bmake ${buildtarget-release} -m `pwd`/share/mk \
+       MKTOOLS=yes DESTDIR="$DESTDIR" TOOLDIR="$TOOLDIR" \
+       MACHINE=$MACHINE MACHINE_ARCH=$MACHINE_ARCH