mksh/Build.sh

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#!/bin/sh
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# $MirOS: src/bin/mksh/Build.sh,v 1.45 2006/08/12 19:53:39 tg Exp $
#-
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# This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF.
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CC="${CC:-gcc}"
CFLAGS="${CFLAGS--O2 -fno-strict-aliasing -fno-strength-reduce -Wall}"
srcdir="${srcdir:-`dirname "$0"`}"
curdir="`pwd`"
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echo | ${NROFF:=nroff} -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c"
e=echo
q=0
r=0
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x=0
while test -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 "$@"
}
if test $x = 0; then
LDSTATIC=-static
SRCS=
sigseen=
fi
SRCS="$SRCS alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c"
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SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"
test $x = 1 || case "`uname -s 2>/dev/null || uname`" in
CYGWIN*)
LDSTATIC= # they don't want it
SRCS="$SRCS compat.c"
CPPFLAGS="$CPPFLAGS -DNEED_COMPAT"
sigseen=:
;;
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Darwin)
LDSTATIC= # never works
CPPFLAGS="$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
sigseen=:
;;
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
sigseen=:
;;
esac
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if test x"$sigseen" = x:; then
$e Generating list of signal names
NSIG=`( echo '#include <signal.h>'; echo "mksh_test: NSIG" ) | \
$CC $CPPFLAGS -E - | grep mksh_test: | sed 's/^mksh_test: //'`
NSIG=`printf %d "$NSIG" 2>&-`
test $NSIG -gt 1 || exit 1
echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - | \
grep '[ ]SIG[A-Z0-9]*[ ]' | \
sed 's/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' | \
while read name; do
( echo '#include <signal.h>'; echo "mksh_test: SIG$name" ) | \
$CC $CPPFLAGS -E - | grep mksh_test: | \
sed 's/^mksh_test: \([0-9]*\).*$/\1:'$name/
done | grep -v '^:' | while IFS=: read nr name; do
nr=`printf %d "$nr" 2>&-`
test $nr -gt 0 -a $nr -lt $NSIG || continue
case $sigseen in
*:$nr:*) ;;
*) echo " { $nr, \"$name\" },"
sigseen=$sigseen$nr:
;;
esac
done >signames.inc
test -s signames.inc || exit 1
fi
(v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \
"$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1
test -x mksh || exit 1
test $r = 1 || v "$NROFF -mdoc <'$srcdir/mksh.1' >mksh.cat1" || \
rm -f mksh.cat1
test $q = 1 || v size mksh
echo "#!$curdir/mksh" >Test.sh
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
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$e To test mksh, execute ./Test.sh
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$e
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$e Installing the shell:
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$e "# install -c -s -o root -g bin -m 555 mksh /bin/mksh"
$e "# grep -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"