Re: [xml] unresolved .fpclassify under AIX

[KUSANO Takayuki <AE5T-KSN asahi-net or jp>]

Hi,

At Tue, 22 Oct 2002 20:50:52 +0200,
Wolfram Nücker wrote:
> hello, 
> I have trouble building libxml-2.4.25 under AIX. 
> Problem is unresolved symbol .fpclassify from trionan.c.
> The line "#elif defined(FP_PLUS_NORM) || defined(__hpux)" assumes you get fpclassify with FP_PLUS_NORM, but 
> the  following comment only relates to HPUX, so better use && instead of || ?
> AIX seems to have related function for fpclassify as "class" (or "_class" for C++ ;-)
>
> regards
> Wolfram Nücker

I've also enconter same problem and filed bugreport.
http://bugzilla.gnome.org/show_bug.cgi?id=95933

I attached ad-hoc patch I'm currently using.

  KUSANO Takayuki <URL:http://www.asahi-net.or.jp/~AE5T-KSN/>

--- libxml2-2.4.25/trionan.c.orig       Wed Oct 16 20:48:44 2002
+++ libxml2-2.4.25/trionan.c    Wed Oct 16 20:48:06 2002
@@ -649,7 +649,11 @@
    * HP-UX 9.x and 10.x have an fpclassify() function, that is different
    * from the C99 fpclassify() macro supported on HP-UX 11.x.
    */
+#if defined(_AIX)
+  switch (class(number)) {
+#else
   switch (fpclassify(number)) {
+#endif
   case FP_QNAN:
   case FP_SNAN:
     *is_negative = TRIO_FALSE;