mksh/Build.sh

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#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.34 2006/08/01 12:57:07 tg Exp $
#-
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# This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF.
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SHELL="${SHELL:-/bin/sh}"
case $SHELL in
*csh*) SHELL=/bin/sh ;;
esac
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CC="${CC:-gcc}"
CFLAGS="${CFLAGS--O2 -fno-strict-aliasing -fno-strength-reduce -Wall}"
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export SHELL
srcdir="${srcdir:-`dirname "$0"`}"
curdir="`pwd`"
e=echo
q=0
r=0
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x=0
while [ -n "$1" ]; do
case $1 in
-d)
LDSTATIC=
;;
-q)
e=:
q=1
;;
-r)
r=1
;;
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-x)
x=1
;;
*)
echo "$0: Unknown option '$1'!" >&2
exit 1
;;
esac
shift
done
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v()
{
$e "$*"
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eval "$@"
}
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[ $x = 1 ] || LDSTATIC=-static
[ $x = 1 ] || SRCS=
SRCS="alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c $SRCS"
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SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"
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[ $x = 1 ] || case "`uname -s 2>/dev/null || uname`" in
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Darwin)
LDSTATIC= # never works
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
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;;
Interix)
CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE -DNEED_COMPAT"
;;
Linux)
# Hello Mr Drepper, we all like you too...</sarcasm>
SRCS="$SRCS compat.c strlfun.c"
CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=2 -D_BSD_SOURCE -D_GNU_SOURCE"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64 -DNEED_COMPAT"
LDSTATIC= # glibc dlopens the PAM library with getpwnam at runtime
;;
SunOS)
SRCS="$SRCS compat.c"
CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D_POSIX_C_SOURCE=200112L"
CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64 -DNEED_COMPAT"
LDSTATIC= # alternatively you need libdl... same suckage as above
;;
esac
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export CC CPPFLAGS
v $SHELL "'$srcdir/gensigs.sh'" || exit 1
(v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \
"$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1
test -x mksh || exit 1
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[ $r = 1 ] || v "${NROFF:-nroff} -mdoc <'$srcdir/mksh.1' >mksh.cat1" \
|| rm -f mksh.cat1
[ $q = 1 ] || v size mksh
echo '#!/bin/sh' >Test.sh
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echo "exec perl '$srcdir/check.pl' -s '$srcdir/check.t' -p '$curdir/mksh' -C pdksh \$*" >>Test.sh
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chmod 755 Test.sh
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$e
$e To test mirbsdksh, execute ./Test.sh
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$e
$e Installing mirbsdksh:
$e "# install -c -s -o root -g bin -m 555 mksh /bin/mksh"
$e "# fgrep -qx /bin/mksh /etc/shells || echo /bin/mksh >>/etc/shells"
$e "# install -c -o root -g bin -m 444 dot.mkshrc /usr/share/doc/mksh/examples/"
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$e
$e Installing the manual:
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if test -s mksh.cat1; then
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$e "# install -c -o root -g bin -m 444 mksh.cat1" \
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"/usr/share/man/cat1/mksh.0"
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$e or
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fi
$e "# install -c -o root -g bin -m 444 mksh.1 /usr/share/man/man1/mksh.1"