ok, seems like MySQL wishes the even bigger hammer to get rid of the isinf(3) issues also under Solaris

mysql/mysql.patch

@@ -117,3 +117,15 @@ Index: libmysql_r/Makefile.in
  CHECK_PID = @CHECK_PID@
  CHMOD = @CHMOD@
  CLIENT_EXTRA_LDFLAGS = @CLIENT_EXTRA_LDFLAGS@
+Index: include/my_global.h
+--- include/my_global.h.orig	2005-08-17 19:06:28 +0200
++++ include/my_global.h	2005-09-28 20:07:41 +0200
+@@ -676,7 +676,7 @@
+ #define FLT_MAX		((float)3.40282346638528860e+38)
+ #endif
+ 
+-#if !defined(HAVE_ISINF) && !defined(isinf)
++#if !defined(HAVE_ISINF)
+ #define isinf(X)    0
+ #endif
+ 

mysql/mysql.spec

@@ -39,7 +39,7 @@ Class:        BASE
 Group:        Database
 License:      GPL
 Version:      %{V_opkg}
-Release:      20050927
+Release:      20050928
 
 #   package options
 %option       with_server    yes