# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Sun Mar 5 23:53:58 EET 2000 [metaconfig 3.0 PL70]
+# Generated on Sat Mar 18 23:12:11 EET 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
sitelibexp=''
siteprefix=''
siteprefixexp=''
+sizesize=''
sizetype=''
so=''
socksizetype=''
Directory)
for fp in $gfpth; do
if test "X$fp" = X.; then
- pf="$ansexp"
+ dir="$ans"
+ direxp="$ansexp"
else
- pf="$fp/$ansexp"
+ dir="$fp/$ans"
+ direxp="$fp/$ansexp"
fi
- if test -d "$pf"; then
+ if test -d "$direxp"; then
type=''
- value="$pf"
+ value="$dir"
break
fi
done
set use64bitint
eval $setvar
+case "$use64bitall" in
+"$define"|true|[yY]*) dflt='y' ;;
+*) case "$longsize" in
+ 8) dflt='y' ;;
+ *) dflt='n' ;;
+ esac
+ ;;
+esac
cat <<EOM
You may also choose to try maximal 64-bitness. It means using as much
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Try to use maximal 64-bit support, if available?'
-case "$use64bitall" in
-"$define"|true|[yY]*) dflt='y' ;;
-*) case "$longsize" in
- 8) dflt='y' ;;
- *) dflt='n' ;;
- esac
- ;;
-esac
. ./myread
case "$ans" in
[yY]*) val="$define" ;;
;;
*) $cat <<EOM
-Perl 5.006 can be compiled for binary compatibility with 5.005.
-If you decide to do so, you will be able to continue using most
-of the extensions that were compiled for Perl 5.005.
+This version of Perl can be compiled for binary compatibility with 5.005.
+If you decide to do so, you will be able to continue using most of the
+extensions that were compiled for Perl 5.005.
EOM
case "$bincompat5005$d_bincompat5005" in
: see if we can have long filenames
echo " "
-rmlist="$rmlist /tmp/cf$$"
-$test -d /tmp/cf$$ || mkdir /tmp/cf$$
first=123456789abcdef
-second=/tmp/cf$$/$first
-$rm -f $first $second
+$rm -f $first
if (echo hi >$first) 2>/dev/null; then
if $test -f 123456789abcde; then
echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
val="$undef"
else
- if (echo hi >$second) 2>/dev/null; then
- if $test -f /tmp/cf$$/123456789abcde; then
- $cat <<'EOM'
-That's peculiar... You can have filenames longer than 14 characters, but only
-on some of the filesystems. Maybe you are using NFS. Anyway, to avoid problems
-I shall consider your system cannot support long filenames at all.
-EOM
- val="$undef"
- else
- echo 'You can have filenames longer than 14 characters.' >&4
- val="$define"
- fi
- else
- $cat <<'EOM'
-How confusing! Some of your filesystems are sane enough to allow filenames
-longer than 14 characters but some others like /tmp can't even think about them.
-So, for now on, I shall assume your kernel does not allow them at all.
-EOM
- val="$undef"
- fi
+ echo 'You can have filenames longer than 14 characters.'>&4
+ val="$define"
fi
else
$cat <<'EOM'
-You can't have filenames longer than 14 chars. You can't even think about them!
+You can't have filenames longer than 14 chars.
+You can't even think about them!
EOM
val="$undef"
fi
set d_flexfnam
eval $setvar
-$rm -rf /tmp/cf$$ 123456789abcde*
+$rm -rf 123456789abcde*
: determine where library module manual pages go
set man3dir man3dir none
echo "If you don't want the manual sources installed, answer 'none'."
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$man3dir" in
-'') dflt=`echo $man1dir | $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'`
+'') dflt=`echo "$man1dir" | $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'`
if $test -d "$privlib/man/man3"; then
cat <<EOM >&4
esac
fi
;;
-' ') dflt=none;;
*) dflt="$man3dir" ;;
esac
+case "$dflt" in
+' ') dflt=none ;;
+esac
echo " "
fn=dn+~
rp="Where do the $package library man pages (source) go?"
. ./getfile
man3dir="$ans"
man3direxp="$ansexp"
-case "$man1dir" in
+case "$man3dir" in
'') man3dir=' '
installman3dir='';;
esac
#ifdef I_UNISTD
#include <unistd.h>
#endif
-#ifdef $i_string
+#$i_string I_STRING
+#ifdef I_STRING
#include <string.h>
#else
#include <strings.h>
$rm -f core try.core core.try.*
case "$fflushNULL" in
x) $cat >&4 <<EOM
-Your fflush(NULL) works okay.
+Your fflush(NULL) works okay for output streams.
+Let's see if it clobbers input pipes...
+EOM
+# As of mid-March 2000 all versions of Solaris appear to have a stdio
+# bug that improperly flushes the input end of pipes. So we avoid the
+# autoflush on fork/system/exec support for now. :-(
+$cat >tryp.c <<EOCP
+#include <stdio.h>
+int
+main(int argc, char **argv)
+{
+ char buf[1024];
+ int i;
+ char *bp = buf;
+ while (1) {
+ while ((i = getc(stdin)) != -1
+ && (*bp++ = i) != '\n'
+ && bp < &buf[1024])
+ /* DO NOTHING */ ;
+ *bp = '\0';
+ fprintf(stdout, "%s", buf);
+ fflush(NULL);
+ if (i == -1)
+ return 0;
+ bp = buf;
+ }
+}
+EOCP
+ fflushNULL="$define"
+ set tryp
+ if eval $compile; then
+ $rm -f tryp.out
+ $cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out
+ if cmp tryp.c tryp.out >/dev/null 2>&1; then
+ $cat >&4 <<EOM
+fflush(NULL) seems to behave okay with input streams.
+EOM
+ fflushNULL="$define"
+ else
+ $cat >&4 <<EOM
+Ouch, fflush(NULL) clobbers input pipes! We will not use it.
EOM
- fflushNULL="$define"
+ fflushNULL="$undef"
+ fi
+ fi
+ $rm -f core tryp.c tryp.core core.tryp.*
;;
'') $cat >&4 <<EOM
Your fflush(NULL) isn't working (contrary to ANSI C).
fflushNULL="$undef"
;;
esac
-: check explicit looping only if NULL did not work
+: check explicit looping only if NULL did not work, and if the pipe
+: bug does not show up on an explicit flush too
case "$fflushNULL" in
"$undef")
- : check for fflush all behaviour
- case "$fflushall" in
- '') set try -DTRY_FFLUSH_ALL $output
- if eval $compile; then
- $cat >&4 <<EOM
-(Now testing the other method--but note that also this may fail.)
+ $cat >tryp.c <<EOCP
+#include <stdio.h>
+int
+main(int argc, char **argv)
+{
+ char buf[1024];
+ int i;
+ char *bp = buf;
+ while (1) {
+ while ((i = getc(stdin)) != -1
+ && (*bp++ = i) != '\n'
+ && bp < &buf[1024])
+ /* DO NOTHING */ ;
+ *bp = '\0';
+ fprintf(stdout, "%s", buf);
+ fflush(stdin);
+ if (i == -1)
+ return 0;
+ bp = buf;
+ }
+}
+EOCP
+ set tryp
+ if eval $compile; then
+ $rm -f tryp.out
+ $cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out
+ if cmp tryp.c tryp.out >/dev/null 2>&1; then
+ $cat >&4 <<EOM
+Good, at least fflush(stdin) seems to behave okay when stdin is a pipe.
EOM
- $rm -f try.out
- ./try$exe_ext 2>/dev/null
- if $test -s try.out -a "X$?" = X42; then
- fflushall="`$cat try.out`"
- fi
- fi
- $rm -f core try.core core.try.*
+ : now check for fflushall behaviour
case "$fflushall" in
- x) $cat >&4 <<EOM
+ '') set try -DTRY_FFLUSH_ALL $output
+ if eval $compile; then
+ $cat >&4 <<EOM
+(Now testing the other method--but note that this also may fail.)
+EOM
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test -s try.out -a "X$?" = X42; then
+ fflushall="`$cat try.out`"
+ fi
+ fi
+ $rm -f core try.core core.try.*
+ case "$fflushall" in
+ x) $cat >&4 <<EOM
Whew. Flushing explicitly all the stdio streams works.
EOM
- fflushall="$define"
- ;;
- '') $cat >&4 <<EOM
+ fflushall="$define"
+ ;;
+ '') $cat >&4 <<EOM
Sigh. Flushing explicitly all the stdio streams doesn't work.
EOM
- fflushall="$undef"
- ;;
- *) $cat >&4 <<EOM
+ fflushall="$undef"
+ ;;
+ *) $cat >&4 <<EOM
Cannot figure out whether flushing stdio streams explicitly works or not.
I'm assuming it doesn't.
EOM
+ fflushall="$undef"
+ ;;
+ esac
+ ;;
+ "$define"|true|[yY]*)
+ fflushall="$define"
+ ;;
+ *)
fflushall="$undef"
;;
esac
- ;;
- "$define"|true|[yY]*)
- fflushall="$define"
- ;;
- *)
+ else
+ $cat >&4 <<EOM
+All is futile. Even fflush(stdin) clobbers input pipes!
+EOM
fflushall="$undef"
- ;;
- esac
+ fi
+ else
+ fflushall="$undef"
+ fi
+ $rm -f core tryp.c tryp.core core.tryp.*
;;
-*) fflushall="$undef"
+*) fflushall="$undef"
;;
esac
+
case "$fflushNULL$fflushall" in
undefundef)
$cat <<EOM
-I cannot figure out how to flush pending stdio output.
+OK, I give up. I cannot figure out how to flush pending stdio output.
+We won't be flushing handles at all before fork/exec/popen.
EOM
;;
esac
}'
$rm -f signal signal.c signal.awk signal.lst signal_cmd
+echo " "
+case "$sizetype" in
+*_t) zzz="$sizetype" ;;
+*) zzz="filesize" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($sizetype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') sizesize=4
+ echo "(I can't execute the test program--guessing $sizesize.)" >&4
+ ;;
+ *) sizesize=$yyy
+ echo "Your $zzz size is $sizesize bytes."
+ ;;
+ esac
+else
+ sizesize=4
+ echo "(I can't compile the test program--guessing $sizesize.)" >&4
+fi
+
+
: check for socklen_t
echo " "
echo "Checking to see if you have socklen_t..." >&4
val="$undef"
echo "You do not have socklen_t."
case "$sizetype" in
- size_t) echo "(You do have size_t, that might work.)" ;;
+ size_t) echo "(You do have size_t, that might work. Some people are happy with just an int.)" ;;
esac
fi
$rm -f try try.*
esac
;;
*) : no sockets, so pick relatively harmless defaults
- socksizetype='char *'
+ socksizetype='unsigned'
;;
esac
sitelibexp='$sitelibexp'
siteprefix='$siteprefix'
siteprefixexp='$siteprefixexp'
+sizesize='$sizesize'
sizetype='$sizetype'
sleep='$sleep'
smail='$smail'
projects / p5sagit/p5-mst-13.2.git / blobdiff