Rename function to __ffs and make ffs a weak alias.

sysdeps/alpha/ffs.S

@@ -25,7 +25,7 @@
 	.set noreorder
 	.set noat
 
-ENTRY(ffs)
+ENTRY(__ffs)
 #ifdef PROF
 	ldgp	gp, 0(pv)
 	lda	AT, _mcount
@@ -69,4 +69,5 @@ ENTRY(ffs)
 
 $done:	ret
 
-	END(ffs)
+	END(__ffs)
+weak_alias (__ffs, ffs)

sysdeps/am29k/ffs.c

@@ -26,7 +26,7 @@
 #ifdef	__GNUC__
 
 int
-ffs (x)
+__ffs (x)
      int x;
 {
   int cnt;
@@ -35,6 +35,7 @@ ffs (x)
 
   return 32 - cnt;
 }
+weak_alias (__ffs, ffs)
 
 #else
 #include <sysdeps/generic/ffs.c>

sysdeps/i960/ffs.c

@@ -27,7 +27,7 @@
 #if	defined (__GNUC__) && defined (__i960__)
 
 int
-ffs (x)
+__ffs (x)
      int x;
 {
   int cnt;
@@ -36,6 +36,7 @@ ffs (x)
 
   return cnt;
 }
+weak_alias (__ffs, ffs)
 
 #else
 

sysdeps/m68k/ffs.c

@@ -26,7 +26,7 @@
 #if	defined (__GNUC__) && defined (__mc68020__)
 
 int
-ffs (x)
+__ffs (x)
      int x;
 {
   int cnt;
@@ -35,6 +35,7 @@ ffs (x)
 
   return 32 - cnt;
 }
+weak_alias (__ffs, ffs)
 
 #else
 

sysdeps/m88k/ffs.c

@@ -26,7 +26,7 @@
 #ifdef	__GNUC__
 
 int
-ffs (x)
+__ffs (x)
      int x;
 {
   int cnt;
@@ -37,6 +37,7 @@ ffs (x)
   asm ("ff1 %0,%1" : "=r" (cnt) : "r" (x & -x));
   return cnt + 1;
 }
+weak_alias (__ffs, ffs)
 
 #else
 #include <sysdeps/generic/ffs.c>

sysdeps/rs6000/ffs.c

@@ -26,7 +26,7 @@
 #ifdef	__GNUC__
 
 int
-ffs (x)
+__ffs (x)
      int x;
 {
   int cnt;
@@ -34,6 +34,7 @@ ffs (x)
   asm ("cntlz %0,%1" : "=r" (cnt) : "r" (x & -x));
   return 32 - cnt;
 }
+weak_alias (__ffs, ffs)
 
 #else
 #include <sysdeps/generic/ffs.c>

sysdeps/vax/ffs.s

@@ -39,10 +39,11 @@
 
 #include "DEFS.h"
 
-ENTRY(ffs, 0)
+ENTRY(__ffs, 0)
 	ffs	$0,$32,4(ap),r0
 	bneq	1f
 	mnegl	$1,r0
 1:
 	incl	r0
 	ret
+weak_alias (__ffs, ffs)