path: root/mcon/U/d_msg_flags.U
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Diffstat (limited to 'mcon/U/d_msg_flags.U')
1 files changed, 59 insertions, 0 deletions
diff --git a/mcon/U/d_msg_flags.U b/mcon/U/d_msg_flags.U
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+++ b/mcon/U/d_msg_flags.U
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+?RCS: $Id: d_msg_flags.U 170 2013-08-30 16:47:47Z rmanfredi $
+?RCS: Copyright (c) 2006, Christian Biere
+?RCS: You may redistribute only under the terms of the Artistic License,
+?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 License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
+?MAKE:d_msghdr_msg_flags: Trylink cat i_systypes i_sysselct i_syssock \
+ i_winsock2 i_mswsock d_windows
+?MAKE: -pick add $@ %<
+?S: This variable conditionally defines the HAS_MSGHDR_MSG_FLAGS symbol,
+?S: which indicates to the C program that struct msghdr has a member
+?S: msg_flags.
+?C: This symbol, if defined, indicates that struct msghdr has a
+?C: member msg_flags.
+?H:#$d_msghdr_msg_flags HAS_MSGHDR_MSG_FLAGS /**/
+?LINT:set d_msghdr_msg_flags
+: check for msg_flags in struct msghdr
+$cat >try.c <<EOC
+#$i_systypes I_SYS_TYPES
+#$i_sysselct I_SYS_SELECT
+#$i_syssock I_SYS_SOCKET
+#$i_winsock2 I_WINSOCK2
+#$i_mswsock I_MSWSOCK
+#$d_windows WINDOWS_SYSTEM
+#define WINVER 0x0501
+#ifdef I_SYS_TYPES
+#include <sys/types.h>
+#ifdef I_SYS_SOCKET
+#include <sys/socket.h>
+#ifdef I_WINSOCK2
+#include <Winsock2.h>
+#ifdef I_MSWSOCK
+#include <Mswsock.h>
+int main(void)
+ struct msghdr msg;
+ msg.msg_flags |= 1;
+ return 0;
+cyn="whether 'struct msghdr' has a 'msg_flags' member"
+set d_msghdr_msg_flags
+eval $trylink