1007 lines
25 KiB
Bash
1007 lines
25 KiB
Bash
#!/bin/sh
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# $MirOS: src/bin/mksh/Build.sh,v 1.251 2007/08/12 13:42:19 tg Exp $
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#-
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# Environment used: CC CFLAGS CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
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# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM
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# MKSH_NOVI
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v() {
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$e "$*"
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eval "$@"
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}
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vq() {
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eval "$@"
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}
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if test -d /usr/xpg4/bin/. >/dev/null 2>&1; then
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# Solaris: some of the tools have weird behaviour, use portable ones
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PATH=/usr/xpg4/bin:$PATH
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export PATH
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fi
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if test -n "${ZSH_VERSION+x}" && (emulate sh) >/dev/null 2>&1; then
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emulate sh
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NULLCMD=:
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fi
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allu=QWERTYUIOPASDFGHJKLZXCVBNM
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alll=qwertyuiopasdfghjklzxcvbnm
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alln=0123456789
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alls=______________________________________________________________
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nl='
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'
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tcfn=no
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bi=
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ui=
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ao=
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fx=
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me=`basename "$0"`
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orig_CFLAGS=$CFLAGS
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if test -t 1; then
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bi='[1m'
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ui='[4m'
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ao='[0m'
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fi
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upper() {
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echo :"$@" | sed 's/^://' | tr $alll $allu
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}
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# clean up after ac_testrun()
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ac_testdone() {
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eval HAVE_$fu=$fv
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fr=no
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test 0 = $fv || fr=yes
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$e "$bi==> $fd...$ao $ui$fr$ao$fx"
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fx=
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}
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# ac_cache label: sets f, fu, fv?=0
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ac_cache() {
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f=$1
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fu=`upper $f`
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eval fv=\$HAVE_$fu
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case $fv in
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0|1)
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fx=' (cached)'
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return 0
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;;
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esac
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fv=0
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return 1
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}
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# ac_testinit label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput
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# returns 1 if value was cached/implied, 0 otherwise: call ac_testdone
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ac_testinit() {
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if ac_cache $1; then
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test x"$2" = x"!" && shift
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test x"$2" = x"" || shift
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fd=$3
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ac_testdone
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return 1
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fi
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fc=0
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if test x"$2" = x""; then
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ft=1
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else
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if test x"$2" = x"!"; then
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fc=1
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shift
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fi
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eval ft=\$HAVE_`upper $2`
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shift
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fi
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fd=$3
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test x"$fd" = x"" && fd=$f
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if test $fc = "$ft"; then
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fv=$2
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fx=' (implied)'
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ac_testdone
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return 1
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fi
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$e ... $fd
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return 0
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}
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# pipe .c | ac_test[n] [!] label [!] checkif[!]0 [setlabelifcheckis[!]0] useroutput
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ac_testn() {
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if test x"$1" = x"!"; then
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fr=1
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shift
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else
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fr=0
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fi
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ac_testinit "$@" || return
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cat >scn.c
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eval 'v "$CC $CFLAGS $CPPFLAGS $LDFLAGS $NOWARN scn.c $LIBS" 2>&'$h | \
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sed 's/^/] /'
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test x"$tcfn" = x"no" && test -f a.out && tcfn=a.out
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test x"$tcfn" = x"no" && test -f a.exe && tcfn=a.exe
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if test -f $tcfn; then
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test $fr = 1 || fv=1
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else
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test $fr = 0 || fv=1
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fi
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rm -f scn.c scn.o $tcfn
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ac_testdone
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}
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ac_cppflags() {
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test x"$1" = x"" || fu=$1
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fv=$2
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test x"$2" = x"" && eval fv=\$HAVE_$fu
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CPPFLAGS="$CPPFLAGS -DHAVE_$fu=$fv"
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}
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ac_test() {
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ac_testn "$@"
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ac_cppflags
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}
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# ac_flags [-] add varname flags [text]
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ac_flags() {
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if test x"$1" = x"-"; then
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shift
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hf=1
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else
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hf=0
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fi
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fa=$1
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vn=$2
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f=$3
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ft=$4
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test x"$ft" = x"" && ft="if $f can be used"
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save_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS $f"
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if test $hf = 1; then
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ac_testn can_$vn '' "$ft"
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else
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ac_testn can_$vn '' "$ft" <<-'EOF'
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int main(void) { return (0); }
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EOF
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fi
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eval fv=\$HAVE_CAN_`upper $vn`
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test 11 = $fa$fv || CFLAGS=$save_CFLAGS
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}
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# ac_header header [prereq ...]
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ac_header() {
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hf=$1; shift
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hv=`echo "$hf" | tr -d '\012\015' | tr -c $alll$allu$alln $alls`
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for i
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do
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echo "#include <$i>" >>x
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done
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echo "#include <$hf>" >>x
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echo 'int main(void) { return (0); }' >>x
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ac_test "$hv" "" "<$hf>" <x
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rm -f x
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}
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addsrcs() {
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eval i=\$$1
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test 0 = $i && case " $SRCS " in
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*\ $2\ *) ;;
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*) SRCS="$SRCS $2" ;;
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esac
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}
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if test -d mksh || test -d mksh.exe; then
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echo "$me: Error: ./mksh is a directory!" >&2
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exit 1
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fi
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rm -f a.exe a.out *core crypt.exp lft mksh mksh.cat1 mksh.exe no *.o \
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scn.c signames.inc test.sh x
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: ${CC=cc} ${NROFF=nroff}
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curdir=`pwd` srcdir=`dirname "$0"` check_categories=pdksh
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e=echo
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h=1
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r=0
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eq=0
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for i
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do
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case $i in
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-Q)
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eq=1
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;;
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-q)
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e=:
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h=-
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;;
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-r)
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r=1
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;;
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*)
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echo "$me: Unknown option '$i'!" >&2
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exit 1
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;;
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esac
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done
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SRCS="alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c"
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SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"
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test $r = 0 && echo | $NROFF -v 2>&1 | grep GNU >/dev/null 2>&1 && \
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NROFF="$NROFF -c"
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if test x"$srcdir" = x"."; then
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CPPFLAGS="-I. $CPPFLAGS"
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else
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CPPFLAGS="-I. -I'$srcdir' $CPPFLAGS"
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fi
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test x"$TARGET_OS" = x"" && TARGET_OS=`uname -s 2>/dev/null || uname`
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warn=
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ccpc=-Wc,
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ccpl=-Wl,
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tsts=
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case $TARGET_OS in
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AIX)
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if test x"$LDFLAGS" = x""; then
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LDFLAGS="${ccpl}-bI:crypt.exp"
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cat >crypt.exp <<-EOF
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#!
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__crypt_r
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__encrypt_r
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__setkey_r
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EOF
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fi
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: ${LIBS='-lcrypt'}
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;;
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CYGWIN*)
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;;
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Darwin)
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;;
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DragonFly)
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;;
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FreeBSD)
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;;
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GNU)
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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;;
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GNU/kFreeBSD)
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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;;
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HP-UX)
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;;
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Interix)
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ccpc='-X '
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ccpl='-Y '
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CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
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: ${LIBS='-lcrypt'}
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;;
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Linux)
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CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
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: ${HAVE_REVOKE=0}
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;;
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MidnightBSD)
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;;
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Minix)
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CPPFLAGS="$CPPFLAGS -D_MINIX -D_POSIX_SOURCE"
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warn=' and will currently not work'
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# warn=" but might work with the GNU tools"
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# warn="$warn${nl}but not with ACK - /usr/bin/cc - yet)"
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;;
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MirBSD)
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;;
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NetBSD)
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;;
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OpenBSD)
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;;
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Plan9)
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CPPFLAGS="$CPPFLAGS -D_POSIX_SOURCE -D_LIMITS_EXTENSION"
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CPPFLAGS="$CPPFLAGS -D_BSD_EXTENSION -D_SUSV2_SOURCE -D__Plan9__"
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warn=' and will currently not work'
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;;
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PW32*)
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cat >stdint.h <<-'EOF'
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typedef signed char int8_t;
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typedef signed short int16_t;
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typedef signed int int32_t;
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typedef signed long long int64_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef unsigned long long uint64_t;
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typedef unsigned char u_char;
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typedef unsigned int u_int;
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typedef unsigned long u_long;
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EOF
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HAVE_SIG_T=0
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CPPFLAGS="$CPPFLAGS -Dsig_t=nosig_t"
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warn=' and will currently not work'
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# missing: killpg() getrlimit()
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;;
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SunOS)
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CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D__EXTENSIONS__"
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;;
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UWIN*)
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ccpc='-Yc,'
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ccpl='-Yl,'
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tsts=" 3<>/dev/tty"
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warn="; it will compile, but the target"
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warn="$warn${nl}platform itself is very flakey/unreliable"
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;;
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*)
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warn='; it may or may not work'
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;;
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esac
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if test -n "$warn"; then
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echo "Warning: mksh has not yet been ported to or tested on your" >&2
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echo "operating system '$TARGET_OS'$warn. If you can provide" >&2
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echo "a shell account to the developer, this may improve; please" >&2
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echo "drop us a success or failure notice or even send in diffs." >&2
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fi
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#
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# Begin of mirtoconf checks
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#
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$e $bi$me: Scanning for functions... please ignore any errors.$ao
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#
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# Compiler: which one?
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#
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# notes:
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# – ICC defines __GNUC__ too
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# – GCC defines __hpux too
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CPP="$CC -E"
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$e ... which compiler we seem to use
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cat >scn.c <<-'EOF'
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#if defined(__ICC) || defined(__INTEL_COMPILER)
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ct=icc
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#elif defined(__xlC__)
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ct=xlc
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#elif defined(__SUNPRO_C)
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ct=sunpro
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#elif defined(__BORLANDC__)
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ct=bcc
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#elif defined(__DMC__)
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ct=dmc
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#elif defined(_MSC_VER)
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ct=msc
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#elif defined(__TenDRA__)
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ct=tendra
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#elif defined(__TINYC__)
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ct=tcc
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#elif defined(__GNUC__)
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ct=gcc
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#elif defined(__hpux)
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ct=hpcc
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#else
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ct=unknown
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#endif
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EOF
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ct=unknown
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eval 'v "$CPP scn.c | grep ct= | tr -d \\\\015 >x" 2>&'$h | sed 's/^/] /'
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test $h = 1 && sed 's/^/[ /' x
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eval `cat x`
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rm -f x
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case $ct in
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bcc|dmc|gcc|hpcc|icc|msc|sunpro|tcc|tendra|xlc) ;;
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*) ct=unknown ;;
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esac
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$e "$bi==> which compiler we seem to use...$ao $ui$ct$ao"
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rm -f scn.c scn.o
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case $TARGET_OS in
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HP-UX)
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case $ct:`uname -m` in
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gcc:ia64) : ${CFLAGS='-mlp64'} ;;
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hpcc:ia64) : ${CFLAGS='+DD64'} ;;
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esac
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;;
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esac
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#
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# Compiler: works as-is, with -Wno-error and -Werror
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#
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save_NOWARN=$NOWARN
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NOWARN=
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DOWARN=
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ac_flags 0 compiler_works '' 'if the compiler works'
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test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1
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HAVE_COMPILER_KNOWN=0
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test $ct = unknown || HAVE_COMPILER_KNOWN=1
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ac_testn couldbe_tcc '!' compiler_known 0 'if this could be tcc' <<-EOF
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#ifndef __TINYC__
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#error No, cannot be tcc.
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#endif
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int main(void) { return (0); }
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EOF
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if test $HAVE_COULDBE_TCC = 1; then
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ct=tcc
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CPP='cpp -D__TINYC__'
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fi
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ac_testn compiler_fails '' 'if the compiler does not fail correctly' <<-EOF
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int main(void) { return (thiswillneverbedefinedIhope()); }
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EOF
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if test $HAVE_COMPILER_FAILS = 1; then
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save_CFLAGS=$CFLAGS
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if test $ct = dmc; then
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CFLAGS="$CFLAGS ${ccpl}/DELEXECUTABLE"
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ac_testn can_delexe compiler_fails 0 'for the /DELEXECUTABLE linker option' <<-EOF
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int main(void) { return (0); }
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EOF
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test $HAVE_CAN_DELEXE = 1 || CFLAGS=$save_CFLAGS
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else
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CFLAGS="$CFLAGS ${ccpl}+k"
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ac_testn can_plusk compiler_fails 0 'for the +k linker option' <<-EOF
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int main(void) { return (0); }
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EOF
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test $HAVE_CAN_PLUSK = 1 || CFLAGS=$save_CFLAGS
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fi
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ac_testn compiler_still_fails '' 'if the compiler still does not fail correctly' <<-EOF
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int main(void) { return (thiswillneverbedefinedIhope()); }
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EOF
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test $HAVE_COMPILER_STILL_FAILS = 1 && exit 1
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fi
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if test $ct = sunpro; then
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test x"$save_NOWARN" = x"" && save_NOWARN='-errwarn=%none'
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ac_flags 0 errwarnnone "$save_NOWARN"
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test 1 = $HAVE_CAN_ERRWARNNONE || save_NOWARN=
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ac_flags 0 errwarnall "-errwarn=%all"
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test 1 = $HAVE_CAN_ERRWARNALL && DOWARN="-errwarn=%all"
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elif test $ct = hpcc; then
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save_NOWARN=
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DOWARN=+We
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elif test $ct = msc; then
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save_NOWARN="${ccpc}/w"
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DOWARN="${ccpc}/WX"
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elif test $ct = dmc; then
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save_NOWARN="${ccpc}-w"
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DOWARN="${ccpc}-wx"
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elif test $ct = bcc; then
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save_NOWARN="${ccpc}-w"
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DOWARN="${ccpc}-w!"
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elif test $ct = xlc; then
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save_NOWARN=-qflag=i:e
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DOWARN=-qflag=i:i
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elif test $ct = tendra; then
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save_NOWARN=-w
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else
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test x"$save_NOWARN" = x"" && save_NOWARN=-Wno-error
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ac_flags 0 wnoerror "$save_NOWARN"
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test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
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ac_flags 0 werror -Werror
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test 1 = $HAVE_CAN_WERROR && DOWARN=-Werror
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fi
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test $ct = icc && DOWARN="$DOWARN -wd1419"
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NOWARN=$save_NOWARN
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#
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# Compiler: extra flags (-O2 -f* -W* etc.)
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#
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i=`echo :"$orig_CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln`
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# optimisation: only if orig_CFLAGS is empty
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test x"$i" = x"" && if test $ct = sunpro; then
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cat >x <<-'EOF'
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int main(void) { return (0); }
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#define __IDSTRING_CONCAT(l,p) __LINTED__ ## l ## _ ## p
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#define __IDSTRING_EXPAND(l,p) __IDSTRING_CONCAT(l,p)
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#define pad void __IDSTRING_EXPAND(__LINE__,x)(void) { }
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EOF
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yes pad | head -n 256 >>x
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ac_flags - 1 otwo -xO2 <x
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rm -f x
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elif test $ct = hpcc; then
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ac_flags 1 otwo +O2
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elif test $ct = xlc; then
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ac_flags 1 othree "-O3 -qstrict"
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test 1 = $HAVE_CAN_OTHREE || ac_flags 1 otwo -O2
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elif test $ct = tcc || $ct = tendra; then
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: no special optimisation
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else
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ac_flags 1 otwo -O2
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test 1 = $HAVE_CAN_OTWO || ac_flags 1 optimise -O
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fi
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# other flags: just add them if they are supported
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i=0
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if test $ct = gcc; then
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ac_flags 1 fnostrictaliasing -fno-strict-aliasing
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ac_flags 1 fstackprotectorall -fstack-protector-all
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ac_flags 1 fwrapv -fwrapv
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i=1
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elif test $ct = icc; then
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ac_flags 1 fnobuiltinsetmode -fno-builtin-setmode
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ac_flags 1 fnostrictaliasing -fno-strict-aliasing
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ac_flags 1 fstacksecuritycheck -fstack-security-check
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i=1
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elif test $ct = sunpro; then
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ac_flags 1 v -v
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ac_flags 1 xc99 -xc99 'for support of ISO C99'
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elif test $ct = hpcc; then
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ac_flags 1 agcc -Agcc 'for support of GCC extensions'
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ac_flags 1 ac99 -AC99 'for support of ISO C99'
|
||
elif test $ct = dmc; then
|
||
ac_flags 1 decl "${ccpc}-r" 'for strict prototype checks'
|
||
ac_flags 1 schk "${ccpc}-s" 'for stack overflow checking'
|
||
elif test $ct = bcc; then
|
||
ac_flags 1 strpool "${ccpc}-d" 'if we can enable string pooling'
|
||
elif test $ct = msc; then
|
||
ac_flags 1 strpool "${ccpc}/GF" 'if we can enable string pooling'
|
||
cat >x <<-'EOF'
|
||
int main(void) { char test[64] = ""; return (*test); }
|
||
EOF
|
||
ac_flags - 1 stackon "${ccpc}/GZ" 'if we can enable stack checks' <x
|
||
ac_flags - 1 stckall "${ccpc}/Ge" 'stack checks for all functions' <x
|
||
ac_flags - 1 secuchk "${ccpc}/GS" 'for compiler security checks' <x
|
||
rm -f x
|
||
ac_flags 1 wall "${ccpc}/Wall" 'to enable all warnings'
|
||
ac_flags 1 wp64 "${ccpc}/Wp64" 'to enable 64-bit warnings'
|
||
elif test $ct = xlc; then
|
||
ac_flags 1 x99 -qlanglvl=extc99
|
||
test 1 = $HAVE_CAN_X99 || ac_flags 1 c99 -qlanglvl=stdc99
|
||
ac_flags 1 rodata "-qro -qroconst -qroptr"
|
||
ac_flags 1 rtcheck -qcheck=all
|
||
ac_flags 1 rtchkc -qextchk
|
||
ac_flags 1 wformat "-qformat=all -qformat=nozln"
|
||
#ac_flags 1 wp64 -qwarn64 # too verbose for now
|
||
elif test $ct = tendra; then
|
||
ac_flags 0 ysystem -Ysystem
|
||
test $HAVE_CAN_YSYSTEM = 1 && CPPFLAGS="-Ysystem $CPPFLAGS"
|
||
ac_flags 1 extansi -Xa
|
||
elif test $ct = tcc; then
|
||
ac_flags 1 boundschk -b
|
||
fi
|
||
# flags common to a subset of compilers
|
||
if test 1 = $i; then
|
||
ac_flags 1 stdg99 -std=gnu99 'for support of ISO C99 + GCC extensions'
|
||
test 1 = $HAVE_CAN_STDG99 || \
|
||
ac_flags 1 stdc99 -std=c99 'for support of ISO C99'
|
||
ac_flags 1 wall -Wall
|
||
fi
|
||
ac_test expstmt '' "if the compiler supports statements as expressions" <<-'EOF'
|
||
#define ksh_isspace(c) ({ \
|
||
unsigned ksh_isspace_c = (c); \
|
||
(ksh_isspace_c >= 0x09 && ksh_isspace_c <= 0x0D) || \
|
||
(ksh_isspace_c == 0x20); \
|
||
})
|
||
int main(int ac, char *av[]) { return (ksh_isspace(ac + **av)); }
|
||
EOF
|
||
|
||
# The following tests are run with -Werror if possible
|
||
NOWARN=$DOWARN
|
||
|
||
#
|
||
# Compiler: check for stuff that only generates warnings
|
||
#
|
||
ac_test attribute '' 'if we have __attribute__((...)) at all' <<-'EOF'
|
||
#include <stdlib.h>
|
||
#undef __attribute__
|
||
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>
|
||
#undef __attribute__
|
||
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
|
||
|
||
#
|
||
# mksh: flavours (full/small mksh, omit certain stuff)
|
||
#
|
||
ac_testn mksh_full '' "if we're building a full-featured mksh" <<-'EOF'
|
||
#ifdef MKSH_SMALL
|
||
#error Nope, MKSH_SMALL is defined.
|
||
#endif
|
||
int main(void) { return (0); }
|
||
EOF
|
||
|
||
ac_testn mksh_defutf8 '' "if we assume UTF-8 is enabled" <<-'EOF'
|
||
#ifndef MKSH_ASSUME_UTF8
|
||
#error Nope, we shall check with setlocale() and nl_langinfo(CODESET)
|
||
#endif
|
||
int main(void) { return (0); }
|
||
EOF
|
||
|
||
if test 0 = $HAVE_MKSH_FULL; then
|
||
if test $ct = xlc; then
|
||
ac_flags 1 fnoinline -qnoinline
|
||
else
|
||
ac_flags 1 fnoinline -fno-inline
|
||
fi
|
||
|
||
: ${HAVE_SETLOCALE_CTYPE=0}
|
||
check_categories=$check_categories,smksh
|
||
test 0 = $HAVE_MKSH_DEFUTF8 || check_categories=$check_categories,dutf
|
||
fi
|
||
|
||
#
|
||
# Environment: headers
|
||
#
|
||
ac_header sys/param.h
|
||
ac_header sys/mkdev.h
|
||
ac_header sys/mman.h sys/types.h
|
||
ac_header sys/sysmacros.h
|
||
ac_header libgen.h
|
||
ac_header libutil.h
|
||
ac_header paths.h
|
||
ac_header stdbool.h
|
||
ac_header stdint.h stdarg.h
|
||
ac_header grp.h sys/types.h
|
||
ac_header ulimit.h
|
||
ac_header values.h
|
||
|
||
#
|
||
# Environment: definitions
|
||
#
|
||
cat >lft.c <<-'EOF'
|
||
#include <sys/types.h>
|
||
/* check that off_t can represent 2^63-1 correctly, thx FSF */
|
||
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
|
||
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 &&
|
||
LARGE_OFF_T % 2147483647 == 1) ? 1 : -1];
|
||
int main(void) { return (0); }
|
||
EOF
|
||
ac_testn can_lfs '' "if we support large files" <lft.c
|
||
save_CPPFLAGS=$CPPFLAGS
|
||
CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=64"
|
||
ac_testn can_lfs_sus '!' can_lfs 0 "... with -D_FILE_OFFSET_BITS=64" <lft.c
|
||
if test 0 = $HAVE_CAN_LFS_SUS; then
|
||
CPPFLAGS="$save_CPPFLAGS -D_LARGE_FILES=1"
|
||
ac_testn can_lfs_aix '!' can_lfs 0 "... with -D_LARGE_FILES=1" <lft.c
|
||
test 1 = $HAVE_CAN_LFS_AIX || CPPFLAGS=$save_CPPFLAGS
|
||
fi
|
||
rm -f lft.c lft.o # end of large file support test
|
||
|
||
#
|
||
# Environment: types
|
||
#
|
||
ac_test rlim_t <<-'EOF'
|
||
#include <sys/types.h>
|
||
#include <sys/time.h>
|
||
#include <sys/resource.h>
|
||
#include <unistd.h>
|
||
int main(void) { return ((int)(rlim_t)0); }
|
||
EOF
|
||
|
||
# only testn: added later below
|
||
ac_testn sig_t <<-'EOF'
|
||
#include <sys/types.h>
|
||
#include <signal.h>
|
||
int main(void) { return ((int)(sig_t)0); }
|
||
EOF
|
||
|
||
ac_testn sighandler_t '!' sig_t 0 <<-'EOF'
|
||
#include <sys/types.h>
|
||
#include <signal.h>
|
||
int main(void) { return ((int)(sighandler_t)0); }
|
||
EOF
|
||
if test 1 = $HAVE_SIGHANDLER_T; then
|
||
CPPFLAGS="$CPPFLAGS -Dsig_t=sighandler_t"
|
||
HAVE_SIG_T=1
|
||
fi
|
||
|
||
ac_testn __sighandler_t '!' sig_t 0 <<-'EOF'
|
||
#include <sys/types.h>
|
||
#include <signal.h>
|
||
int main(void) { return ((int)(__sighandler_t)0); }
|
||
EOF
|
||
if test 1 = $HAVE___SIGHANDLER_T; then
|
||
CPPFLAGS="$CPPFLAGS -Dsig_t=__sighandler_t"
|
||
HAVE_SIG_T=1
|
||
fi
|
||
|
||
ac_cppflags SIG_T
|
||
|
||
#
|
||
# Environment: signals
|
||
#
|
||
test x"NetBSD" = x"$TARGET_OS" && $e Ignore the compatibility warning.
|
||
|
||
for what in name list; do
|
||
uwhat=`upper $what`
|
||
ac_testn sys_sig$what '' "the sys_sig${what}[] array" <<-EOF
|
||
extern const char *const sys_sig${what}[];
|
||
int main(void) { return (sys_sig${what}[0][0]); }
|
||
EOF
|
||
ac_testn _sys_sig$what '!' sys_sig$what 0 "the _sys_sig${what}[] array" <<-EOF
|
||
extern const char *const _sys_sig${what}[];
|
||
int main(void) { return (_sys_sig${what}[0][0]); }
|
||
EOF
|
||
if eval "test 1 = \$HAVE__SYS_SIG$uwhat"; then
|
||
CPPFLAGS="$CPPFLAGS -Dsys_sig$what=_sys_sig$what"
|
||
eval "HAVE_SYS_SIG$uwhat=1"
|
||
fi
|
||
ac_cppflags SYS_SIG$uwhat
|
||
done
|
||
|
||
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_testn arc4random <<-'EOF'
|
||
#include <sys/types.h>
|
||
#if HAVE_STDINT_H
|
||
#include <stdint.h>
|
||
#endif
|
||
extern u_int32_t arc4random(void);
|
||
int main(void) { return (arc4random()); }
|
||
EOF
|
||
|
||
if test $HAVE_ARC4RANDOM = 0 && test -f "$srcdir/arc4random.c"; then
|
||
ac_header sys/sysctl.h
|
||
addsrcs HAVE_ARC4RANDOM arc4random.c
|
||
HAVE_ARC4RANDOM=1
|
||
HAVE_ARC4RANDOM_DECL=0
|
||
HAVE_ARC4RANDOM_PUSH=0
|
||
fi
|
||
ac_cppflags ARC4RANDOM
|
||
|
||
ac_test arc4random_pushb arc4random 0 <<-'EOF'
|
||
#include <sys/types.h>
|
||
#if HAVE_STDINT_H
|
||
#include <stdint.h>
|
||
#endif
|
||
extern uint32_t arc4random_pushb(void *, size_t);
|
||
int main(int ac, char *av[]) { return (arc4random_pushb(*av, ac)); }
|
||
EOF
|
||
|
||
ac_test flock_ex '' 'flock and mmap' <<-'EOF'
|
||
#include <sys/types.h>
|
||
#include <sys/file.h>
|
||
#include <sys/mman.h>
|
||
#include <fcntl.h>
|
||
#include <stdlib.h>
|
||
int main(void) { return (mmap(NULL, flock(0, LOCK_EX), PROT_READ,
|
||
MAP_FILE | MAP_PRIVATE, 0, 0) == NULL ? 1 : 0); }
|
||
EOF
|
||
|
||
ac_test setlocale_ctype '!' mksh_defutf8 0 '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 mknod '' 'if we use mknod(), makedev() and friends' <<-'EOF'
|
||
#define MKSH_INCLUDES_ONLY
|
||
#include "sh.h"
|
||
#if defined(MKSH_SMALL) && !defined(MKSH_NEED_MKNOD)
|
||
#error We do not want to include the mknod builtin.
|
||
#endif
|
||
int main(int ac, char *av[]) {
|
||
dev_t dv;
|
||
dv = makedev(ac, 1);
|
||
return (mknod(av[0], 0, dv) ? (int)major(dv) : (int)minor(dv));
|
||
}
|
||
EOF
|
||
|
||
ac_test revoke mksh_full 0 <<-'EOF'
|
||
#if HAVE_LIBUTIL_H
|
||
#include <libutil.h>
|
||
#endif
|
||
#include <unistd.h>
|
||
int main(int ac, char *av[]) { return (ac + revoke(av[0])); }
|
||
EOF
|
||
|
||
ac_test setmode mknod 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>
|
||
#if HAVE_GRP_H
|
||
#include <grp.h>
|
||
#endif
|
||
#include <unistd.h>
|
||
int main(void) { gid_t gid = 0; return (setgroups(0, &gid)); }
|
||
EOF
|
||
|
||
ac_test strcasestr setlocale_ctype 1 <<-'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
|
||
|
||
#
|
||
# check headers for declarations
|
||
#
|
||
ac_test '!' arc4random_decl arc4random 1 'if arc4random() does not need to be declared' <<-'EOF'
|
||
#define MKSH_INCLUDES_ONLY
|
||
#include "sh.h"
|
||
long arc4random(void); /* this clashes if defined before */
|
||
int main(void) { return (arc4random()); }
|
||
EOF
|
||
ac_test '!' arc4random_pushb_decl arc4random_pushb 1 'if arc4random_pushb() does not need to be declared' <<-'EOF'
|
||
#define MKSH_INCLUDES_ONLY
|
||
#include "sh.h"
|
||
int arc4random_pushb(char, int); /* this clashes if defined before */
|
||
int main(int ac, char *av[]) { return (arc4random_pushb(**av, ac)); }
|
||
EOF
|
||
ac_test sys_siglist_decl sys_siglist 1 'if sys_siglist[] does not need to be declared' <<-'EOF'
|
||
#define MKSH_INCLUDES_ONLY
|
||
#include "sh.h"
|
||
int main(void) { return (sys_siglist[0][0]); }
|
||
EOF
|
||
|
||
#
|
||
# other checks
|
||
#
|
||
fd='if to use persistent history'
|
||
ac_cache PERSISTENT_HISTORY || test 11 != $HAVE_FLOCK_EX$HAVE_MKSH_FULL || fv=1
|
||
test 1 = $fv || check_categories=$check_categories,no-histfile
|
||
ac_testdone
|
||
ac_cppflags
|
||
|
||
#
|
||
# Compiler: Praeprocessor (only if needed)
|
||
#
|
||
test 0 = $HAVE_SYS_SIGNAME && if ac_testinit cpp_dd '' \
|
||
'checking if the C Preprocessor supports -dD'; then
|
||
echo '#define foo bar' >scn.c
|
||
eval 'v "$CPP -dD scn.c >x" 2>&'$h | sed 's/^/] /'
|
||
grep '#define foo bar' x >/dev/null 2>&1 && fv=1
|
||
rm -f scn.c x
|
||
ac_testdone
|
||
fi
|
||
|
||
#
|
||
# End of mirtoconf checks
|
||
#
|
||
$e ... done.
|
||
|
||
# Some operating systems have ancient versions of ed(1) writing
|
||
# the character count to standard output; cope for that
|
||
echo wq >x
|
||
ed x <x 2>/dev/null | grep 3 >/dev/null 2>&1 && \
|
||
check_categories=$check_categories,oldish-ed
|
||
rm -f x
|
||
|
||
if test 0 = $HAVE_SYS_SIGNAME; then
|
||
if test 1 = $HAVE_CPP_DD; then
|
||
$e Generating list of signal names...
|
||
else
|
||
$e No list of signal names available via cpp. Falling back...
|
||
fi
|
||
sigseen=:
|
||
cat >scn.c <<-'EOF'
|
||
#include <signal.h>
|
||
#ifndef NSIG
|
||
#define NSIG _NSIG
|
||
#endif
|
||
mksh_cfg: NSIG
|
||
EOF
|
||
NSIG=`vq "$CPP $CPPFLAGS scn.c" | grep mksh_cfg: | \
|
||
sed 's/^mksh_cfg:[ ]*\([0-9x ()+-]*\).*$/\1/'`
|
||
case $NSIG in
|
||
*[\ \(\)+-]*) NSIG=`awk "BEGIN { print $NSIG }"` ;;
|
||
esac
|
||
NSIG=`printf %d "$NSIG" 2>/dev/null`
|
||
test $h = 1 && printf "NSIG=$NSIG ... "
|
||
signames="ABRT ALRM BUS CHLD CLD CONT EMT FPE HUP ILL INFO INT IO IOT"
|
||
signames="$signames KILL PIPE PROF PWR QUIT SAK SEGV STOP SYS TERM"
|
||
signames="$signames TRAP TSTP TTIN TTOU URG USR1 USR2 WINCH XCPU XFSZ"
|
||
test 1 = $HAVE_CPP_DD && test $NSIG -gt 1 && signames="$signames "`vq \
|
||
"$CPP $CPPFLAGS -dD scn.c" | grep '[ ]SIG[A-Z0-9]*[ ]' | \
|
||
sed 's/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' | sort`
|
||
test $NSIG -gt 1 || signames=
|
||
for name in $signames; do
|
||
echo '#include <signal.h>' >scn.c
|
||
echo mksh_cfg: SIG$name >>scn.c
|
||
vq "$CPP $CPPFLAGS scn.c" | 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 -le $NSIG || continue
|
||
case $sigseen in
|
||
*:$nr:*) ;;
|
||
*) echo " { $nr, \"$name\" },"
|
||
sigseen=$sigseen$nr:
|
||
test $h = 1 && printf "$name=$nr " >&2
|
||
;;
|
||
esac
|
||
done 2>&1 >signames.inc
|
||
rm -f scn.c
|
||
$e done.
|
||
fi
|
||
|
||
addsrcs HAVE_SETMODE setmode.c
|
||
addsrcs HAVE_STRLCPY strlcpy.c
|
||
CPPFLAGS="$CPPFLAGS -DHAVE_CONFIG_H -DCONFIG_H_FILENAME=\\\"sh.h\\\""
|
||
|
||
objs=
|
||
case $curdir in
|
||
*\ *) echo "#!./mksh" >test.sh ;;
|
||
*) echo "#!$curdir/mksh" >test.sh ;;
|
||
esac
|
||
echo "export PATH='$PATH'" >>test.sh
|
||
echo "exec perl '$srcdir/check.pl' -s '$srcdir/check.t'" \
|
||
"-p '$curdir/mksh' -C $check_categories \$*$tsts" >>test.sh
|
||
chmod 755 test.sh
|
||
echo set -x >Rebuild.sh
|
||
for file in $SRCS; do
|
||
objs="$objs `echo x"$file" | sed 's/^x\(.*\)\.c$/\1.o/'`"
|
||
test -f $file || file=$srcdir/$file
|
||
echo "$CC $CFLAGS $CPPFLAGS -c $file || exit 1" >>Rebuild.sh
|
||
done
|
||
echo "$CC $CFLAGS $LDFLAGS -o mksh $objs $LIBS" >>Rebuild.sh
|
||
test $ct = msc || echo 'test $? = 0 || exit 1' >>Rebuild.sh
|
||
echo 'result=mksh; test -f mksh.exe && result=mksh.exe' >>Rebuild.sh
|
||
echo 'test -f $result || exit 1; size $result' >>Rebuild.sh
|
||
for file in $SRCS; do
|
||
test -f $file || file=$srcdir/$file
|
||
v "$CC $CFLAGS $CPPFLAGS -c $file" || exit 1
|
||
done
|
||
v "$CC $CFLAGS $LDFLAGS -o mksh $objs $LIBS"
|
||
rv=$?; test $ct = msc -o $rv = 0 || 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 $eq = 0 && test $h = 1 && v size $result
|
||
i=install
|
||
test -f /usr/ucb/$i && i=/usr/ucb/$i
|
||
test $eq = 1 && e=:
|
||
$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.
|