mksh/Build.sh

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#!/bin/sh
# $MirBSD: Build.sh,v 1.15 2004/11/10 19:58:06 tg Exp $
#-
# Copyright (c) 2004
# Thorsten "mirabile" Glaser <x86@ePost.de>
#
# Licensee is hereby permitted to deal in this work without restric-
# tion, including unlimited rights to use, publically perform, modi-
# fy, merge, distribute, sell, give away or sublicence, provided the
# above copyright notices, these terms and the disclaimer are retai-
# ned in all redistributions, or reproduced in accompanying documen-
# tation or other materials provided with binary redistributions.
#
# Licensor hereby provides this work "AS IS" and WITHOUT WARRANTY of
# any kind, expressed or implied, to the maximum extent permitted by
# applicable law, but with the warranty of being written without ma-
# licious intent or gross negligence; in no event shall licensor, an
# author or contributor be held liable for any damage, direct, indi-
# rect or other, however caused, arising in any way out of the usage
# of covered work, even if advised of the possibility of such damage.
#-
# Build the more||less portable mirbsdksh on most operating systems.
# Notes for building on various operating systems:
# - on most OSes, you will need a pre-installed bash or ksh to build
# because the Bourne shell chokes on some statements below.
# - Solaris: SHELL=ksh LDFLAGS=-ldl WEIRD_OS=1 ksh ./Build.sh
# - Interix: SHELL=ksh ksh ./Build.sh (also on GNU and most *BSD)
# - Mac OSX: SHELL=bash WEIRD_OS=1 bash ./Build.sh
#
# Explicit note: you _have_ to use a "modern" bourne-compatible shell
# to execute this script. Explicit notice to Debian GNU/Something pak-
# kagers: you also have to set SHELL=/path/to/yourshell in the envi-
# ronment of the script, as shown above.
# Shells known to work:
# - mirbsdksh, pdksh 5.2
# - GNU bash 2.05*
# Shells which should work:
# - Solaris /usr/xpg4/bin/sh
# - AT&T ast-ksh (88 and 93)
# Shells known to *not* work:
# - non-bourne (csh, bsh, ...)
# - zsh
SHELL="${SHELL:-/bin/sh}"; export SHELL
CONFIG_SHELL="${SHELL}"; export CONFIG_SHELL
CC="${CC:-gcc}"
CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H -I. -DKSH -DMKSH"
COPTS="-O2 -fomit-frame-pointer -fno-strict-aliasing -fno-strength-reduce"
[ -z "$WEIRD_OS" ] && LDFLAGS="${LDFLAGS:--static}"
if test -e strlfun.c; then
echo "Configuring..."
$SHELL ./configure
echo "Generating prerequisites..."
$SHELL ./siglist.sh "$CC -E $CPPFLAGS" <siglist.in >siglist.out
$SHELL ./emacs-gen.sh emacs.c >emacs.out
echo "Building..."
$CC $COPTS $CFLAGS $CPPFLAGS $LDFLAGS -o ksh.unstripped *.c
test -e ksh.unstripped || exit 1
echo "Finalizing..."
tbl <ksh.1tbl >mksh.1 || cat ksh.1tbl >mksh.1
nroff -mdoc -Tascii <mksh.1 >mksh.cat1 || rm -f mksh.cat1
man=mksh.cat1
test -s $man || man=mksh.1
test -s $man || man=ksh.1tbl
cp ksh.unstripped mksh
strip -R .comment --strip-unneeded --strip-all mksh || rm mksh
if ! test -e mksh; then
cp ksh.unstripped mksh
strip mksh || mv ksh.unstripped mksh
fi
size mksh
echo "done."
echo ""
echo "If you want to test mirbsdksh:"
echo "perl ./tests/th -s ./tests -p ./mksh -C" \
"pdksh,sh,ksh,posix,posix-upu"
echo ""
echo "generated files: mksh $man"
echo ""
echo "Sample Installation Commands:"
echo "a) installing the executable"
echo "# install -c -s -o root -g bin -m 555 mksh /bin/mksh"
echo "# echo /bin/mksh >>/etc/shells"
echo "b) installing the manual page (system dependent)"
if test -s mksh.cat1; then
echo " - most Unices, BSD"
echo "# install -c -o root -g bin -m 444 mksh.cat1" \
"/usr/local/man/cat1/mksh.0"
fi
if test -s mksh.1; then
echo " - some Unices, GNU/Linux"
echo "# install -c -o root -g bin -m 444 mksh.1" \
"/usr/share/man/man1/mksh.1"
fi
echo " - the unformatted manual page"
echo "=> format ksh.1tbl yourself and copy to the appropriate place."
echo "=> visit http://wiki.mirbsd.de/MirbsdKsh for online manpages."
else
echo "Your kit isn't complete, please download the"
echo "mirbsdksh-1.x.cpio.gz distfile, then extract"
echo "it and try again! Due to the folks of Ulrich"
echo "Drepper & co. not including strlcpy/strlcat,"
echo "this is a necessity to circumvent the broken"
echo "libc imitation of GNU's."
fi