[src/trunk]: src Add a -t option that builds and installs the toolchain only

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

details:   https://anonhg.NetBSD.org/src/rev/fe09fc7b5b4e
branches:  trunk
changeset: 516872:fe09fc7b5b4e
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Thu Nov 01 00:14:17 2001 +0000

description:
Add a -t option that builds and installs the toolchain only
(and thus implies -b).  To make this work, we also check do_buildsystem
when doing the DESTDIR sanity check.

diffstat:

 build.sh |  28 ++++++++++++++++++++--------
 1 files changed, 20 insertions(+), 8 deletions(-)

diffs (84 lines):

diff -r 1170b43d2e1b -r fe09fc7b5b4e build.sh
--- a/build.sh  Wed Oct 31 23:20:34 2001 +0000
+++ b/build.sh  Thu Nov 01 00:14:17 2001 +0000
@@ -1,5 +1,5 @@
 #! /bin/sh
-#  $NetBSD: build.sh,v 1.15 2001/10/31 19:59:43 tv Exp $
+#  $NetBSD: build.sh,v 1.16 2001/11/01 00:14:17 thorpej Exp $
 #
 # Top level build wrapper, for a system containing no tools.
 #
@@ -96,6 +96,7 @@
        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 (overrides mk.conf)"
        echo "    -w: create nbmake script at wrapper (default TOOLDIR/bin/nbmake-MACHINE)"
        echo "    -D: set DESTDIR to dest (overrides mk.conf)"
@@ -112,13 +113,14 @@
 buildtarget=build
 cwd=`pwd`
 do_buildsystem=true
+do_buildonlytools=false
 do_rebuildmake=false
 do_removedirs=false
 makeenv='exec'
 makeflags=''
 makewrapper=''
 opt_a=no
-opts='a:bhj:m:noruw:D:O:R:T:'
+opts='a:bhj:m:nortuw:D:O:R:T:'
 runcmd=''
 
 if type getopts >/dev/null 2>&1; then
@@ -157,6 +159,8 @@
 
        -r)     do_removedirs=true; do_rebuildmake=true;;
 
+       -t)     do_buildonlytools=true; do_buildsystem=false;;
+
        -u)     makeflags="$makeflags UPDATE=yes";;
 
        -w)     eval $optargcmd; resolvepath
@@ -252,13 +256,15 @@
 removedirs="$TOOLDIR"
 
 if [ -z "$DESTDIR" ] || [ "$DESTDIR" = "/" ]; then
-       if [ "$buildtarget" = "release" ] || \
-          [ "`uname -s 2>/dev/null`" != "NetBSD" ] || \
-          [ "`uname -m`" != "$MACHINE" ]; 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 $do_buildsystem; then
+               echo "===> WARNING: Building to /."
+               echo "===> If your kernel is not up to date, this may cause the system to break!"
        fi
-       echo "===> WARNING: Building to /."
-       echo "===> If your kernel is not up to date, this may cause the system to break!"
 else
        removedirs="$removedirs $DESTDIR"
 fi
@@ -297,7 +303,7 @@
        eval $mkscriptcmd <<EOF
 #! /bin/sh
 # Set proper variables to allow easy "make" building of a NetBSD subtree.
-# Generated from:  \$NetBSD: build.sh,v 1.15 2001/10/31 19:59:43 tv Exp $
+# Generated from:  \$NetBSD: build.sh,v 1.16 2001/11/01 00:14:17 thorpej Exp $
 #
 $makeenv $TOOLDIR/bin/nbmake $makeflags \${1+\$@}
 EOF
@@ -307,4 +313,10 @@
 
 if $do_buildsystem; then
        ${runcmd-exec} $makewrapper $buildtarget
+elif $do_buildonlytools; then
+       if [ "$MKOBJDIRS" != "no" ]; then
+               $makewrapper obj-tools || exit 1
+       fi
+       ${runcmd-exec} sh -c "cd tools && \
+           $makewrapper MKTOOLS=always build"
 fi