Reveal Borland's isnan.

Subject: build with BC++ tweak
From: "Konovalov, Vadim" <vkonovalov@lucent.com>
Message-ID: <402099F49BEED211999700805FC7359F6FACA6@ru0028exch01.spb.lucent.com>

p4raw-id: //depot/perl@6939

diff --git a/win32/win32.h b/win32/win32.h
index e2a0834..61884ab 100644 (file)
--- a/win32/win32.h
+++ b/win32/win32.h
@@ -199,6 +199,8 @@ struct utsname {
 /* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
 #define PERL_MEMBER_PTR_SIZE   12
 
+#define isnan          _isnan
+
 #endif
 
 #ifdef _MSC_VER                        /* Microsoft Visual C++ */