summaryrefslogtreecommitdiff
path: root/mcon/U/d_ffs.U
diff options
context:
space:
mode:
authorManoj Srivastava <srivasta@debian.org>2008-05-30 12:42:47 -0700
committerManoj Srivastava <srivasta@debian.org>2008-05-30 12:42:47 -0700
commitceb3507a8fca872770b3dcd7e5c5b36179ab95b0 (patch)
treeb46b4e25cfff5f4c13a330b8428ceed343e3796c /mcon/U/d_ffs.U
Import dist_3.5-236.orig.tar.gz
[dgit import orig dist_3.5-236.orig.tar.gz]
Diffstat (limited to 'mcon/U/d_ffs.U')
-rw-r--r--mcon/U/d_ffs.U43
1 files changed, 43 insertions, 0 deletions
diff --git a/mcon/U/d_ffs.U b/mcon/U/d_ffs.U
new file mode 100644
index 0000000..93c7667
--- /dev/null
+++ b/mcon/U/d_ffs.U
@@ -0,0 +1,43 @@
+?RCS: $Id$
+?RCS:
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?RCS:
+?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.
+?RCS:
+?RCS: $Log: d_ffs.U,v $
+?RCS: Revision 3.0 1993/08/18 12:06:03 ram
+?RCS: Baseline for dist 3.0 netwide release.
+?RCS:
+?MAKE:d_ffs: Trylink cat
+?MAKE: -pick add $@ %<
+?S:d_ffs:
+?S: This variable conditionally defines the HAS_FFS symbol, which
+?S: indicates to the C program that the ffs() routine is available
+?S: to find the first bit which is set in its integer argument.
+?S:.
+?C:HAS_FFS:
+?C: This symbol, if defined, indicates that the ffs routine is available
+?C: to find the first bit set in its argument. If it's not available,
+?C: roll your own.
+?C:.
+?H:#$d_ffs HAS_FFS /**/
+?H:.
+?LINT:set d_ffs
+: see if ffs exists
+$cat >try.c <<EOC
+#include <strings.h>
+int main(void)
+{
+ static int i, ret;
+ ret |= ffs(i);
+ return ret ? 0 : 1;
+}
+EOC
+cyn=ffs
+set d_ffs
+eval $trylink
+