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authorManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
committerManoj Srivastava <srivasta@debian.org>2003-12-01 17:11:15 +0000
commit371472d9fb6a936149b105a6563a0550d35bdf1a (patch)
tree6d23751e44a7dddf4e29918551f1ea0513352622 /mcon/U/d_socket.U
Initial import of upstream branch
Initial import of upstream branch git-archimport-id: srivasta@debian.org--2003-primary/dist--upstream--3.70--base-0
Diffstat (limited to 'mcon/U/d_socket.U')
-rw-r--r--mcon/U/d_socket.U122
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
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+++ 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