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Remove the build32.sh hack, it is now slightly broken (missing some

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compile args) and would be harmful to use.  Leave the README pointing
to WITH_LIB32 for now.
This commit is contained in:
Peter Wemm 2004-11-25 04:25:21 +00:00
parent 448d1e830b
commit c5b83a1b43
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=138073
2 changed files with 4 additions and 82 deletions
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16
tools/lib32/README
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@ -1,15 +1,7 @@
# $FreeBSD$
This script is a stopgap for building tuned 32 bit (but i386 ABI compatable)
libraries for amd64 systems. We *know* we have things like CMOV, SSE2 etc
so take advantage of it.
Set WITH_LIB32=yes in /etc/make.conf and do a buildworld/installworld.
At some point libc would be configured to use the fast syscall/sysret
instructions (instead of int 0x80) since we have a known minimum feature
set and don't have to do runtime tests for it.
libpthread could use the amd64 sysarch syscalls for setting %fs/%gs
since we don't have USER_LDT. This would be a heck of a lot easier than
trying to run a real i386-built libc/libpthread.
Again, this hack is a stopgap until something is integrated into world.
Alternatively, if you have just done a buildworld/installworld, you
might be able to 'make build32' and 'make install32' in the top of the
/usr/src tree.

70
tools/lib32/build32.sh
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@ -1,70 +0,0 @@
#! /bin/sh
# $FreeBSD$
#
# This script is for running on a self-hosted amd64 machine, with an up-to-date
# world and toolchain etc. ie: the installed world is assumed to match the sources.
# It is rude, crude and brutal. But its the only option for now.
#
# Its purpose is to build a 32 bit library set and a ld-elf32.so.1.
# XXX beware.. some of the library targets have no way to disable
# XXX installation of includes. ie: it will re-install some files in
# XXX /usr/include for you.
mkdir -p /lib32
mkdir -p /usr/lib32
mkdir -p /usr/local/lib32
mkdir -p /usr/X11R6/lib32
export MAKEOBJDIRPREFIX=/tmp/i386
mkdir -p $MAKEOBJDIRPREFIX
# Set up an obj tree
chflags -R noschg $MAKEOBJDIRPREFIX
rm -rf $MAKEOBJDIRPREFIX
mkdir -p $MAKEOBJDIRPREFIX
CCARGS="-m32 -march=athlon-xp -msse2 -mfancy-math-387 -I/tmp/i386/root/usr/include -L/usr/lib32 -B/usr/lib32"
CXXARGS="-m32 -march=athlon-xp -msse2 -mfancy-math-387 -I/tmp/i386/root/usr/include/c++/3.4 -I/tmp/i386/root/usr/include -L/usr/lib32 -B/usr/lib32"
# and a place to put the alternate include tree into.
mkdir -p $MAKEOBJDIRPREFIX/root
export MACHINE_ARCH=i386
export DESTDIR=$MAKEOBJDIRPREFIX/root
make -s hierarchy
# Now build includes
make -s obj
make -s includes
unset MACHINE_ARCH
unset DESTDIR
# libncurses needs a build-tools pass first. I wish build-tools was a recursive target.
(cd lib/libncurses; make -s build-tools)
(cd lib/libmagic; make -s build-tools)
# Now the libraries. This doesn't work for gnuregex yet. hence -k.
# libbind is just an internal target, ignore it.
export LIBDIR=/usr/lib32
export SHLIBDIR=/usr/lib32
export MACHINE_ARCH=i386
export CC="cc $CCARGS"
export CXX="c++ $CXXARGS"
export LD="ld -m elf_i386_fbsd -Y P,/usr/lib32"
export AS="as --32"
make -s -DNO_BIND -DNOMAN -DNODOC -DNOINFO libraries
# and now that we have enough libraries, build ld-elf32.so.1
cd libexec/rtld-elf
export PROG=ld-elf32.so.1
unset CC
export CC="cc $CCARGS -DCOMPAT_32BIT"
make -s -DNOMAN -DNODOC -DNOINFO -k obj
make -s -DNOMAN -DNODOC -DNOINFO -k depend
make -s -DNOMAN -DNODOC -DNOINFO -k
make -s -DNOMAN -DNODOC -DNOINFO -k install
chflags -R noschg $MAKEOBJDIRPREFIX