On Sat, Jun 12, 2010 at 05:32:05PM +0000, David Schultz wrote: > Author: das > Date: Sat Jun 12 17:32:05 2010 > New Revision: 209110 > URL: http://svn.freebsd.org/changeset/base/209110 > > Log: > Introduce __isnanf() as an alias for isnanf(), and make the isnan() > macro expand to __isnanf() instead of isnanf() for float arguments. > This change is needed because isnanf() isn't declared in strict POSIX > or C99 mode. > > Compatibility note: Apps using isnan(float) that are compiled after > this change won't link against an older libm. > > Reported by: Florian Forster <o...@verplant.org>
May be, it makes sense to remove the default version for the isnan symbol ?
diff --git a/lib/msun/Symbol.map b/lib/msun/Symbol.map
index 429a76f..e39b39f 100644
--- a/lib/msun/Symbol.map
+++ b/lib/msun/Symbol.map
@@ -118,7 +118,6 @@ FBSD_1.0 {
__isfinite;
__isfinitef;
__isfinitel;
- isnanf;
__isnanl;
__isnormal;
__isnormalf;
diff --git a/lib/msun/src/s_isnan.c b/lib/msun/src/s_isnan.c
index 0f544db..1fdbe96 100644
--- a/lib/msun/src/s_isnan.c
+++ b/lib/msun/src/s_isnan.c
@@ -61,4 +61,4 @@ __isnanl(long double e)
return (u.bits.exp == 32767 && (u.bits.manl != 0 || u.bits.manh != 0));
}
-__weak_reference(__isnanf, isnanf);
+__sym_compat(isnanf, __isnanf, FBSD_1.0);
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