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authorrmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d>2010-11-27 11:55:39 +0000
committerrmanfredi <rmanfredi@2592e710-e01b-42a5-8df0-11608a6cc53d>2010-11-27 11:55:39 +0000
commit13158f86e3904284dce3dad36b64f07414459551 (patch)
tree12cc7b8d1b808c8c3505bb44cf067bd9ab98b1e6 /mcon/U/d_msgctl.U
parent194d1db97053d853d5f81c362c461d71c05ea80e (diff)
Applied mega patch from Christian Biere to greatly improve feature detection
and make a huge step towards better support for cross-compiling. git-svn-id: svn://svn.code.sf.net/p/dist/code/trunk/dist@34 2592e710-e01b-42a5-8df0-11608a6cc53d
Diffstat (limited to 'mcon/U/d_msgctl.U')
-rw-r--r--mcon/U/d_msgctl.U18
1 files changed, 15 insertions, 3 deletions
diff --git a/mcon/U/d_msgctl.U b/mcon/U/d_msgctl.U
index 4f50ad3..ea73d31 100644
--- a/mcon/U/d_msgctl.U
+++ b/mcon/U/d_msgctl.U
@@ -12,7 +12,7 @@
?RCS: Revision 3.0 1993/08/18 12:06:38 ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
-?MAKE:d_msgctl: Inlibc
+?MAKE:d_msgctl: Trylink cat
?MAKE: -pick add $@ %<
?S:d_msgctl:
?S: This variable conditionally defines the HAS_MSGCTL symbol, which
@@ -26,6 +26,18 @@
?H:.
?LINT:set d_msgctl
: see if msgctl exists
-set msgctl d_msgctl
-eval $inlibc
+$cat >try.c <<EOC
+#include <sys/msg.h>
+int main(void)
+{
+ static int ret, id;
+ static struct msqid_ds buf;
+ ret |= msgctl(id, IPC_STAT, &buf);
+ ret |= msgctl(id, IPC_SET, &buf);
+ ret |= msgctl(id, IPC_RMID, &buf);
+ return ret ? 0 : 1;
+}
+EOC
+set d_msgctl
+eval $trylink