mksh/Build.sh
tg da2f916010 remove -x (cross-build) option, use -d instead, it does the same
side effect: TARGET_OS is now honoured without -x too
2007-01-17 22:55:47 +00:00

518 lines
12 KiB
Bash

#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.129 2007/01/17 22:55:47 tg Exp $
#-
# Env: CC, CFLAGS, CPP, CPPFLAGS, LDFLAGS, LIBS, NOWARN, NROFF, TARGET_OS
# CPPFLAGS recognised: MKSH_SMALL MKSH_NOPWNAM
v()
{
$e "$*"
eval "$@"
}
vq()
{
eval "$@"
}
if test -t 1; then
bi=`printf '\033[1m'`
ui=`printf '\033[4m'`
ao=`printf '\033[0m'`
else
bi=
ui=
ao=
fi
upper()
{
echo :"$@" | sed 's/^://' | \
tr qwertyuiopasdfghjklzxcvbnm QWERTYUIOPASDFGHJKLZXCVBNM
}
# pipe .c | ac_test[n] label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput
ac_testn()
{
f=$1
fu=`upper $f`
fc=0
if test x"$2" = x""; then
ft=1
else
if test x"$2" = x"!"; then
fc=1
shift
fi
eval ft=\$HAVE_`upper $2`
shift
fi
fd=$3
test x"$fd" = x"" && fd=$f
eval fv=\$HAVE_$fu
if test 0 = "$fv"; then
$e "$bi==> $fd...$ao ${ui}no$ao (cached)"
return
fi
if test 1 = "$fv"; then
$e "$bi==> $fd...$ao ${ui}yes$ao (cached)"
return
fi
if test $fc = "$ft"; then
fv=$2
eval HAVE_$fu=$fv
test 0 = "$fv" && fv=no
test 1 = "$fv" && fv=yes
$e "$bi==> $fd...$ao $ui$fv$ao (implied)"
return
fi
$e ... $fd
cat >scn.c
v "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN -I'$srcdir' scn.c $LIBS" \
2>&$h | sed 's/^/] /'
if test -f a.out || test -f a.exe; then
eval HAVE_$fu=1
$e "$bi==> $fd...$ao ${ui}yes$ao"
else
eval HAVE_$fu=0
$e "$bi==> $fd...$ao ${ui}no$ao"
fi
rm -f scn.c a.out a.exe
}
ac_test()
{
ac_testn "$@"
eval CPPFLAGS=\"\$CPPFLAGS -DHAVE_$fu=\$HAVE_$fu\"
}
# ac_flags add varname flags [text]
ac_flags()
{
fa=$1
vn=$2
f=$3
ft=$4
test x"$ft" = x"" && ft="if $f can be used"
save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $f"
ac_testn can_$vn '' "$ft" <<-'EOF'
int main(void) { return (0); }
EOF
eval fv=\$HAVE_CAN_`upper $vn`
test 11 = $fa$fv || CFLAGS=$save_CFLAGS
}
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
: ${CC=gcc} ${CPP=false} ${NROFF=nroff}
curdir=`pwd` srcdir=`dirname "$0"` check_categories=pdksh
e=echo
h=1
r=0
LDSTATIC=-static
for i
do
case $i in
-d)
LDSTATIC=@@
;;
-q)
e=:
h=-
;;
-r)
r=1
;;
*)
echo "$0: Unknown option '$i'!" >&2
exit 1
;;
esac
done
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 $r = 0 && echo | $NROFF -v 2>&1 | grep GNU >/dev/null 2>&1 && \
NROFF="$NROFF -c"
test x"$TARGET_OS" = x"" && TARGET_OS=`uname -s 2>/dev/null || uname`
case $TARGET_OS in
CYGWIN*)
test x"@@" = x"$LDSTATIC" || LDSTATIC=@
;;
Darwin)
test x"@@" = x"$LDSTATIC" || LDSTATIC=@
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
;;
DragonFly)
;;
FreeBSD)
;;
Interix)
CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
;;
Linux)
CPPFLAGS="$CPPFLAGS -D_POSIX_C_SOURCE=2 -D_BSD_SOURCE -D_GNU_SOURCE"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
test x"@@" = x"$LDSTATIC" || LDSTATIC=@
;;
MirBSD)
;;
NetBSD)
;;
OpenBSD)
;;
SunOS)
CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D__EXTENSIONS__"
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
test x"@@" = x"$LDSTATIC" || LDSTATIC=@
r=1
;;
*)
echo Warning: mksh has not yet been tested on your operating >&2
echo system "'$TARGET_OS';" it may or may not work. Please drop >&2
echo us a notice if it works or not or send diffs to make it work. >&2
;;
esac
CPPFLAGS="$CPPFLAGS -I'$curdir'"
#
# Begin of mirtoconf checks
#
$e ${ao}Scanning for functions... please ignore any errors.
#
# Compiler: works as-is, with -Wno-error and -Werror
#
test x"$NOWARN" = x"" && NOWARN=-Wno-error
save_NOWARN=$NOWARN
NOWARN=
ac_flags 0 compiler_works '' 'if the compiler works'
test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1
ac_flags 0 wnoerror "$save_NOWARN"
test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
ac_flags 0 werror "-Werror"
# The following tests are run with -Werror if possible
test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
#
# Compiler: check for stuff that only generates warnings
#
ac_test attribute '' 'if we have __attribute__((...)) at all' <<-'EOF'
#include <stdlib.h>
void fnord(void) __attribute__((noreturn));
int main(void) { fnord(); }
void fnord(void) { exit(0); }
EOF
ac_test attribute_bounded attribute 0 'for __attribute__((bounded))' <<-'EOF'
#include <string.h>
int xcopy(const void *, void *, size_t)
__attribute__((bounded (buffer, 1, 3)))
__attribute__((bounded (buffer, 2, 3)));
int main(int ac, char *av[]) { return (xcopy(av[0], av[--ac], 1)); }
int xcopy(const void *s, void *d, size_t n) {
memmove(d, s, n); return (n);
}
EOF
ac_test attribute_used attribute 0 'for __attribute__((used))' <<-'EOF'
static const char fnord[] __attribute__((used)) = "42";
int main(void) { return (0); }
EOF
# End of tests run with -Werror
NOWARN=$save_NOWARN
#
# Compiler: extra flags (-O2 -f* -W* etc.)
#
i=`echo :"$CFLAGS" | sed 's/^://' | \
tr -c -d qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM0123456789-`
test x"$i" = x"" && ac_flags 1 otwo "-O2"
ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
ac_flags 1 fwholepgm "-fwhole-program --combine"
ac_flags 1 fwrapv "-fwrapv"
# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
# systems (at least) because their system headers are so broken...
ac_flags 1 stdg99 "-std=gnu99" 'if -std=gnu99 (ISO C99) can be used'
ac_flags 1 wall "-Wall"
#
# mksh: flavours (full/small mksh, omit certain stuff)
#
ac_testn mksh_full '' "if we're building without MKSH_SMALL" <<-'EOF'
#ifdef MKSH_SMALL
#error OK, we are building an extra small mksh.
#endif
int main(void) { return (0); }
EOF
ac_testn mksh_nopam mksh_full 1 'if the user wants to omit getpwnam()' <<-'EOF'
#ifndef MKSH_NOPWNAM
#error No, the user wants to pull in getpwnam.
#endif
int main(void) { return (0); }
EOF
if test 0 = $HAVE_MKSH_FULL; then
ac_flags 1 fnoinline "-fno-inline"
: ${HAVE_SETLOCALE_CTYPE=0}
check_categories=$check_categories,smksh
fi
#
# Environment: headers
#
ac_test sys_param_h '' '<sys/param.h>' <<'EOF'
#include <sys/param.h>
int main(void) { return (0); }
EOF
ac_test libgen_h '' '<libgen.h>' <<'EOF'
#include <libgen.h>
int main(void) { return (0); }
EOF
ac_test stdbool_h '' '<stdbool.h>' <<'EOF'
#include <stdbool.h>
int main(void) { return (0); }
EOF
#
# Environment: signals
#
ac_test mksh_signame '' 'our own list of signal names' <<-'EOF'
#include <stdlib.h> /* for NULL */
#define MKSH_SIGNAMES_CHECK
#include "signames.c"
int main(void) { return (mksh_sigpairs[0].nr); }
EOF
ac_test sys_signame '!' mksh_signame 0 'the sys_signame[] array' <<-'EOF'
extern const char *const sys_signame[];
int main(void) { return (sys_signame[0][0]); }
EOF
ac_test _sys_signame '!' sys_signame 0 'the _sys_signame[] array' <<-'EOF'
extern const char *const _sys_signame[];
int main(void) { return (_sys_signame[0][0]); }
EOF
if test 000 = $HAVE_SYS_SIGNAME$HAVE__SYS_SIGNAME$HAVE_MKSH_SIGNAME; then
NEED_MKSH_SIGNAME=1
else
NEED_MKSH_SIGNAME=0
fi
ac_test sys_siglist '' 'the sys_siglist[] array' <<-'EOF'
extern const char *const sys_siglist[];
int main(void) { return (sys_siglist[0][0]); }
EOF
ac_test _sys_siglist '!' sys_siglist 0 'the _sys_siglist[] array' <<-'EOF'
extern const char *const _sys_siglist[];
int main(void) { return (_sys_siglist[0][0]); }
EOF
ac_test strsignal '!' _sys_siglist 0 <<-'EOF'
#include <string.h>
#include <signal.h>
int main(void) { return (strsignal(1)[0]); }
EOF
#
# Environment: library functions
#
ac_test arc4random <<-'EOF'
#include <stdlib.h>
int main(void) { return (arc4random()); }
EOF
ac_test arc4random_push arc4random 0 <<-'EOF'
#include <stdlib.h>
int main(void) { arc4random_push(1); return (0); }
EOF
ac_test setlocale_ctype '' 'setlocale(LC_CTYPE, "")' <<-'EOF'
#include <locale.h>
#include <stddef.h>
int main(void) { return ((ptrdiff_t)(void *)setlocale(LC_CTYPE, "")); }
EOF
ac_test langinfo_codeset setlocale_ctype 0 'nl_langinfo(CODESET)' <<-'EOF'
#include <langinfo.h>
#include <stddef.h>
int main(void) { return ((ptrdiff_t)(void *)nl_langinfo(CODESET)); }
EOF
ac_test setmode mksh_full 1 <<-'EOF'
#if defined(__MSVCRT__) || defined(__CYGWIN__)
#error Win32 setmode() is different from what we need
#endif
#include <unistd.h>
int main(int ac, char *av[]) { return (getmode(setmode(av[0]), ac)); }
EOF
ac_test setresugid <<-'EOF'
#include <sys/types.h>
#include <unistd.h>
int main(void) { setresuid(0,0,0); return (setresgid(0,0,0)); }
EOF
ac_test setgroups setresugid 0 <<-'EOF'
#include <sys/types.h>
#include <grp.h>
#include <unistd.h>
int main(void) { gid_t gid = 0; return (setgroups(0, &gid)); }
EOF
ac_test strcasestr <<-'EOF'
#include <stddef.h>
#include <string.h>
int main(int ac, char *av[]) {
return ((ptrdiff_t)(void *)strcasestr(*av, av[ac]));
}
EOF
ac_test strlcpy <<-'EOF'
#include <string.h>
int main(int ac, char *av[]) { return (strlcpy(*av, av[1], ac)); }
EOF
#
# other checks
#
ac_test multi_idstring '' 'if we can use __RCSID(x) multiple times' <<-'EOF'
#include "sh.h"
__RCSID("one");
__RCSID("two");
int main(void) { return (0); }
EOF
#
# Compiler: Praeprocessor (only if needed)
#
if test 1 = $NEED_MKSH_SIGNAME; then
$e ... checking how to run the C Preprocessor
rm -f x
save_CPP=$CPP
for i in "$save_CPP" "$CC -E -" "cpp" "/usr/libexec/cpp" "/lib/cpp"; do
CPP=$i
test x"$CPP" = x"false" && continue
( ( echo '#if (23 * 2 - 2) == (fnord + 2)'
echo mksh_rules: fnord
echo '#endif'
) | v "$CPP $CPPFLAGS -Dfnord=42 >x" ) 2>&$h | sed 's/^/] /'
grep '^mksh_rules:.*42' x >/dev/null 2>&1 || CPP=false
rm -f x
test x"$CPP" = x"false" || break
done
$e "$bi==> checking how to run the C Preprocessor...$ao $ui$CPP$ao"
test x"$CPP" = x"false" && exit 1
fi
#
# End of mirtoconf checks
#
$e ... done.
if test 1 = $NEED_MKSH_SIGNAME; then
$e Generating list of signal names...
sigseen=:
NSIG=`( echo '#include <signal.h>'; echo mksh_cfg: NSIG ) | \
vq "$CPP $CPPFLAGS" | grep mksh_cfg: | \
sed 's/^mksh_cfg: \([0-9x]*\).*$/\1/'`
NSIG=`printf %d "$NSIG" 2>/dev/null`
test $h = 1 && printf "NSIG=$NSIG ... "
test $NSIG -gt 1 || exit 1
echo '#include <signal.h>' | vq "$CPP $CPPFLAGS -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 ) | \
vq "$CPP $CPPFLAGS" | grep mksh_cfg: | \
sed 's/^mksh_cfg: \([0-9x]*\).*$/\1:'$name/
done | grep -v '^:' | while IFS=: read nr name; do
nr=`printf %d "$nr" 2>/dev/null`
test $nr -gt 0 && test $nr -lt $NSIG || continue
case $sigseen in
*:$nr:*) ;;
*) echo " { $nr, \"$name\" },"
sigseen=$sigseen$nr:
test $h = 1 && printf "$nr " >&2
;;
esac
done 2>&1 >signames.inc
grep ', ' signames.inc >/dev/null 2>&1 || exit 1
$e done.
fi
addsrcs HAVE_SETMODE setmode.c
addsrcs HAVE_STRCASESTR strcasestr.c
addsrcs HAVE_STRLCPY strlfun.c
CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H -DCONFIG_H_FILENAME=\\\"sh.h\\\""
test x"@@" = x"$LDSTATIC" && LDSTATIC=
test x"@" = x"$LDSTATIC" && if test 1 = $HAVE_MKSH_NOPAM; then
LDSTATIC=-static
else
LDSTATIC=
fi
(v "cd '$srcdir' && exec $CC $CFLAGS $CPPFLAGS" \
"$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 $h = 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 $check_categories \$*" >>test.sh
chmod 755 test.sh
i=install
test -f /usr/ucb/$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 -x /bin/mksh /etc/shells >/dev/null || 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.