mksh/Build.sh

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#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.58 2006/09/29 19:33:48 tg Exp $
#-
# Environment: CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS, NROFF
v()
{
$e "$*"
eval "$@"
}
addcppf()
{
for i
do
eval CPPFLAGS=\"\$CPPFLAGS -D$i=\$$i\"
done
}
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"`
echo | $NROFF -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c"
e=echo
q=0
r=0
x=0
for i
do
case $i in
-d)
LDSTATIC=
;;
-q)
e=:
q=1
;;
-r)
r=1
;;
-x)
x=1
;;
*)
echo "$0: Unknown option '$i'!" >&2
exit 1
;;
esac
done
if test $x = 0; then
LDSTATIC=-static
SRCS=
sigseen=
NOWARN=-Wno-error
fi
SRCS="$SRCS alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c"
SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"
test $x = 1 || case `uname -s 2>/dev/null || uname` in
CYGWIN*)
LDSTATIC=
SRCS="$SRCS compat.c"
CPPFLAGS="$CPPFLAGS -DNEED_COMPAT"
sigseen=:
;;
Darwin)
LDSTATIC=
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
;;
Interix)
CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE -DNEED_COMPAT"
;;
Linux)
SRCS="$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=
sigseen=:
;;
SunOS)
SRCS="$SRCS compat.c"
CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D__EXTENSIONS__"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64 -DNEED_COMPAT"
LDSTATIC=
sigseen=:
r=1
;;
esac
if test x"$sigseen" = x:; then
$e Generating list of signal names
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/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' | \
while read name; do
( echo '#include <signal.h>'; echo "mksh_cfg: SIG$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>&-`
test $nr -gt 0 && test $nr -lt $NSIG || continue
case $sigseen in
*:$nr:*) ;;
*) echo " { $nr, \"$name\" },"
sigseen=$sigseen$nr:
;;
esac
done >signames.inc
test -f signames.inc || exit 1
fi
$e Scanning for functions...
test 0 = "$HAVE_ARC4RANDOM" || test 1 = "$HAVE_ARC4RANDOM" ||
{
$e ... arc4random
cat >scn.c <<-'EOF'
#include <stdlib.h>
int main() { arc4random(); return (0); }
EOF
$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN scn.c $LIBS
if test -f a.out || test -f a.exe; then
HAVE_ARC4RANDOM=1
$e "==> arc4random... yes"
else
HAVE_ARC4RANDOM=0
$e "==> arc4random... no"
fi
rm -f scn.c a.out a.exe
}
test 0 = "$HAVE_ARC4RANDOM_PUSH" || test 1 = "$HAVE_ARC4RANDOM_PUSH" ||
if test 1 = "$HAVE_ARC4RANDOM"; then
$e ... arc4random_push
cat >scn.c <<-'EOF'
#include <stdlib.h>
int main() { arc4random_push(1); return (0); }
EOF
$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN scn.c $LIBS
if test -f a.out || test -f a.exe; then
HAVE_ARC4RANDOM_PUSH=1
$e "==> arc4random_push... yes"
else
HAVE_ARC4RANDOM_PUSH=0
$e "==> arc4random_push... no"
fi
rm -f scn.c a.out a.exe
else
HAVE_ARC4RANDOM_PUSH=0
fi
$e ... done.
addcppf HAVE_ARC4RANDOM HAVE_ARC4RANDOM_PUSH
(v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \
"$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1
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 $q = 1 || v size $result
case $curdir in
*\ *) echo "#!./mksh" >test.sh ;;
*) echo "#!$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
$e
$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/"
$e
$e Installing the manual:
if test -f mksh.cat1; then
$e "# $i -c -o root -g bin -m 444 mksh.cat1" \
"/usr/share/man/cat1/mksh.0"
$e or
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.