mksh/Build.sh

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#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.74 2006/11/09 23:09:05 tg Exp $
#-
# Environment: CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS, NROFF
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v()
{
$e "$*"
eval "$@"
}
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upper()
{
echo "$@" | tr qwertyuiopasdfghjklzxcvbnm QWERTYUIOPASDFGHJKLZXCVBNM
}
ac_testn()
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{
f=$1
fu=`upper $f`
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test 0 = "$HAVE_$fu" && return
test 1 = "$HAVE_$fu" && return
if test x"$2" = x""; then
ft=1
else
eval ft=\$HAVE_`upper $2`
shift
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fi
fd=$3
test x"$fd" = x"" && fd=$f
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if test 0 = "$ft"; then
eval HAVE_$fu=$2
$e "==> $fd... not checked ($2)"
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return
fi
$e ... $fd
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cat >scn.c
v "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN scn.c $LIBS" 2>&$v | \
sed 's/^/] /'
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if test -f a.out || test -f a.exe; then
eval HAVE_$fu=1
$e "==> $fd... yes"
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else
eval HAVE_$fu=0
$e "==> $fd... no"
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fi
rm -f scn.c a.out a.exe
}
ac_test()
{
ac_testn "$@"
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eval CPPFLAGS=\"\$CPPFLAGS -DHAVE_$fu=\$HAVE_$fu\"
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}
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addsrcs()
{
eval i=\$$1
test 0 = $i && case " $SRCS " in
*\ $2\ *) ;;
*) SRCS="$SRCS $2" ;;
esac
}
if test -d mksh; then
echo "$0: Error: ./mksh is a directory!" >&2
exit 1
fi
: ${CFLAGS='-O2 -fno-strict-aliasing -Wall'}
: ${CC=gcc} ${NROFF=nroff}
curdir=`pwd` srcdir=`dirname "$0"`
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echo | $NROFF -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c"
e=echo
v=1
r=0
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x=0
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LDSTATIC=-static
for i
do
case $i in
-d)
LDSTATIC=
;;
-q)
e=:
v=-
;;
-r)
r=1
;;
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-x)
x=1
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LDSTATIC=
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;;
*)
echo "$0: Unknown option '$i'!" >&2
exit 1
;;
esac
done
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if test $x = 0; then
SRCS=
sigseen=
fi
SRCS="$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 $x = 1 || case `uname -s 2>/dev/null || uname` in
CYGWIN*)
LDSTATIC=
sigseen=:
;;
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Darwin)
LDSTATIC=
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
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;;
Interix)
CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
;;
Linux)
CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=2 -D_BSD_SOURCE -D_GNU_SOURCE"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
LDSTATIC=
sigseen=:
;;
SunOS)
CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D__EXTENSIONS__"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
LDSTATIC=
sigseen=:
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r=1
;;
esac
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if test x"$sigseen" = x:; then
$e Generating list of signal names
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NSIG=`printf %d "\`(echo '#include <signal.h>';echo mksh_cfg: NSIG) | \
$CC $CPPFLAGS -E - | grep mksh_cfg | sed 's/^mksh_cfg: //'\`" 2>&-`
test $NSIG -gt 1 || exit 1
echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - | \
grep '[ ]SIG[A-Z0-9]*[ ]' | \
sed 's/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' | \
while read name; do
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( echo '#include <signal.h>'; echo "mksh_cfg: SIG$name" ) | \
$CC $CPPFLAGS -E - | grep mksh_cfg: | \
sed 's/^mksh_cfg: \([0-9]*\).*$/\1:'$name/
done | grep -v '^:' | while IFS=: read nr name; do
nr=`printf %d "$nr" 2>&-`
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test $nr -gt 0 && test $nr -lt $NSIG || continue
case $sigseen in
*:$nr:*) ;;
*) echo " { $nr, \"$name\" },"
sigseen=$sigseen$nr:
;;
esac
done >signames.inc
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test -f signames.inc || exit 1
fi
$e Scanning for functions... please ignore any errors.
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ac_testn compiler_works '' 'if the compiler works' <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_COMPILER_WORKS || exit 1
if test x"$NOWARN" = x""; then
NOWARN=-Wno-error
ac_testn can_wnoerror '' 'if -Wno-error can be used' <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_CAN_WNOERROR || NOWARN=
fi
ac_testn mksh_full '' "if we're building without MKSH_SMALL" <<-'EOF'
#ifdef MKSH_SMALL
#error OK, we're building an extra small mksh.
#else
int main(void) { return (0); }
#endif
EOF
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if test 0 = $HAVE_MKSH_FULL; then
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -fno-inline"
ac_testn can_fnoinline '' 'if -fno-inline can be used' <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_CAN_FNOINLINE || CFLAGS=$save_CFLAGS
fi
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -fwhole-program --combine"
ac_testn can_fwholepgm '' 'if -fwhole-program --combine can be used' <<-'EOF'
int main(void) { return (0); }
EOF
test 1 = $HAVE_CAN_FWHOLEPGM || CFLAGS=$save_CFLAGS
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ac_test arc4random <<-'EOF'
#include <stdlib.h>
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int main(void) { arc4random(); return (0); }
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EOF
ac_test arc4random_push arc4random 0 <<-'EOF'
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#include <stdlib.h>
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int main(void) { arc4random_push(1); return (0); }
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EOF
ac_test setlocale_ctype '' 'setlocale(LC_CTYPE, "")' <<'EOF'
#include <locale.h>
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int main(void) { setlocale(LC_CTYPE, ""); return (0); }
EOF
ac_test langinfo_codeset setlocale_ctype 0 'nl_langinfo(CODESET)' <<'EOF'
#include <langinfo.h>
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int main(void) { nl_langinfo(CODESET); return (0); }
EOF
ac_test setmode mksh_full 1 <<-'EOF'
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#include <unistd.h>
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int main(int ac, char *av[]) { setmode(av[0]); return (ac); }
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EOF
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ac_test strlcpy <<-'EOF'
#include <string.h>
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int main(int ac, char *av[]) { strlcpy(av[0], av[1], 1); return (ac); }
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EOF
ac_test sys_param_h '' '<sys/param.h>' <<'EOF'
#include <sys/param.h>
int main(void) { return (0); }
EOF
$e ... done.
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addsrcs HAVE_SETMODE setmode.c
addsrcs HAVE_STRLCPY strlfun.c
(v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \
"-DHAVE_CONFIG_H -DCONFIG_H_FILENAME=\\\"sh.h\\\"" \
"$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1
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result=mksh
test -f mksh.exe && result=mksh.exe
test -f $result || exit 1
test $r = 1 || v "$NROFF -mdoc <'$srcdir/mksh.1' >mksh.cat1" || \
rm -f mksh.cat1
test $v = 1 && v size $result
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case $curdir in
*\ *) echo "#!./mksh" >test.sh ;;
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*) echo "#!$curdir/mksh" >test.sh ;;
esac
echo "exec perl '$srcdir/check.pl' -s '$srcdir/check.t'" \
"-p '$curdir/mksh' -C pdksh \$*" >>test.sh
chmod 755 test.sh
i=install
test -f /usr/ucb/$i && i=/usr/ucb/$i
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$e
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$e Installing the shell:
$e "# $i -c -s -o root -g bin -m 555 mksh /bin/mksh"
$e "# grep -qx /bin/mksh /etc/shells || echo /bin/mksh >>/etc/shells"
$e "# $i -c -o root -g bin -m 444 dot.mkshrc /usr/share/doc/mksh/examples/"
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$e
$e Installing the manual:
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if test -f mksh.cat1; then
$e "# $i -c -o root -g bin -m 444 mksh.cat1" \
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"/usr/share/man/cat1/mksh.0"
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$e or
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fi
$e "# $i -c -o root -g bin -m 444 mksh.1 /usr/share/man/man1/mksh.1"
$e
$e Run the regression test suite: ./test.sh
$e Please also read the sample file dot.mkshrc and the fine manual.