@@ -, +, @@ 
---
 potrace/configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/potrace/configure.ac	
+++ a/potrace/configure.ac	
@@ -251,7 +251,7 @@ AC_CHECK_FUNC(strncasecmp, ,
 dnl ----------------------------------------------------------------------
 dnl Check whether we have i386 features
 AC_MSG_CHECKING([for Intel 386])
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int x;
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[int x=1;
   asm("bsf %1,%0\njnz 0f\nmovl $32,%0\n0:":"=r"(x):"r"(x));
   return x; /* need this so that -O2 does not optimize the asm away */
 ]])],[AC_MSG_RESULT(yes) 
--