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Diffstat (limited to 'mcon/U/d_socket.U')
| -rw-r--r-- | mcon/U/d_socket.U | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/mcon/U/d_socket.U b/mcon/U/d_socket.U new file mode 100644 index 0000000..4ea0400 --- /dev/null +++ b/mcon/U/d_socket.U @@ -0,0 +1,122 @@ +?RCS: $Id: d_socket.U,v 3.0.1.2 1997/02/28 15:46:00 ram Exp $ +?RCS: +?RCS: Copyright (c) 1991-1993, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic Licence, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic Licence; a copy of which may be found at the root +?RCS: of the source tree for dist 3.0. +?RCS: +?RCS: $Log: d_socket.U,v $ +?RCS: Revision 3.0.1.2 1997/02/28 15:46:00 ram +?RCS: patch61: replaced .a with $_a all over the place +?RCS: +?RCS: Revision 3.0.1.1 1994/01/24 14:08:04 ram +?RCS: patch16: can now safely declare private nm_extract in dependencies +?RCS: +?RCS: Revision 3.0 1993/08/18 12:07:26 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_socket d_oldsock d_sockpair socketlib sockethdr: contains libc \ + echo n c nm_opt nm_extract Inlibc Csym _a +?MAKE: -pick add $@ %< +?S:d_socket: +?S: This variable conditionally defines HAS_SOCKET, which indicates +?S: that the BSD socket interface is supported. +?S:. +?S:d_sockpair: +?S: This variable conditionally defines the HAS_SOCKETPAIR symbol, which +?S: indicates that the BSD socketpair() is supported. +?S:. +?S:d_oldsock: +?S: This variable conditionally defines the OLDSOCKET symbol, which +?S: indicates that the BSD socket interface is based on 4.1c and not 4.2. +?S:. +?S:socketlib: +?S: This variable has the names of any libraries needed for socket support. +?S:. +?S:sockethdr: +?S: This variable has any cpp -I flags needed for socket support. +?S:. +?C:HAS_SOCKET (SOCKET): +?C: This symbol, if defined, indicates that the BSD socket interface is +?C: supported. +?C:. +?C:HAS_SOCKETPAIR (SOCKETPAIR): +?C: This symbol, if defined, indicates that the BSD socketpair() call is +?C: supported. +?C:. +?C:USE_OLDSOCKET (OLDSOCKET): +?C: This symbol, if defined, indicates that the 4.1c BSD socket interface +?C: is supported instead of the 4.2/4.3 BSD socket interface. For instance, +?C: there is no setsockopt() call. +?C:. +?H:#$d_socket HAS_SOCKET /**/ +?H:#$d_sockpair HAS_SOCKETPAIR /**/ +?H:#$d_oldsock USE_OLDSOCKET /**/ +?H:. +?T:val +?LINT:set d_sockpair +socketlib='' +sockethdr='' +: see whether socket exists +echo " " +$echo $n "Hmm... $c" >&4 +if set socket val -f d_socket; eval $csym; $val; then + echo "Looks like you have Berkeley networking support." >&4 + d_socket="$define" +?X: now check for advanced features + if set setsockopt val -f; eval $csym; $val; then + d_oldsock="$undef" + else + echo "...but it uses the old 4.1c interface, rather than 4.2" >&4 + d_oldsock="$define" + fi +else +?X: HP-UX, for one, puts all the socket stuff in socklib.o. Note that if we +?X: come here on HP-UX, then we must have used nm to get symbols, or we really +?X: don't have sockets anyway... + if $contains socklib libc.list >/dev/null 2>&1; then + echo "Looks like you have Berkeley networking support." >&4 + d_socket="$define" + : we will have to assume that it supports the 4.2 BSD interface + d_oldsock="$undef" + else + echo "You don't have Berkeley networking in libc$_a..." >&4 +?X: look for an optional networking library + if test -f /usr/lib/libnet$_a; then +?X: space between two '(' needed for ksh + ( (nm $nm_opt /usr/lib/libnet$_a | eval $nm_extract) || \ + ar t /usr/lib/libnet$_a) 2>/dev/null >> libc.list + if $contains socket libc.list >/dev/null 2>&1; then + echo "...but the Wollongong group seems to have hacked it in." >&4 + socketlib="-lnet" + sockethdr="-I/usr/netinclude" + d_socket="$define" +?X: now check for advanced features + if $contains setsockopt libc.list >/dev/null 2>&1; then + d_oldsock="$undef" + else + echo "...using the old 4.1c interface, rather than 4.2" >&4 + d_oldsock="$define" + fi + else + echo "or even in libnet$_a, which is peculiar." >&4 + d_socket="$undef" + d_oldsock="$undef" + fi + else + echo "or anywhere else I see." >&4 + d_socket="$undef" + d_oldsock="$undef" + fi + fi +fi + +@if HAS_SOCKETPAIR || d_sockpair +: see if socketpair exists +set socketpair d_sockpair +eval $inlibc + +@end |