[PATCH] msvcrt: Support 64-bit platforms that don't have finitef or isnanf.

[Charles Davis]

diff --git a/configure.ac b/configure.ac
index 6f1861c..ea8d04a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2061,6 +2061,7 @@ AC_CHECK_FUNCS(\
 	dlopen \
 	epoll_create \
 	ffs \
+	finitef \
 	fnmatch \
 	fork \
 	fpclass \
@@ -2077,6 +2078,7 @@ AC_CHECK_FUNCS(\
 	gettimeofday \
 	getuid \
 	if_nameindex \
+	isnanf \
 	kqueue \
 	lstat \
 	memmove \
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 284924a..acac35d 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -34,6 +34,18 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
 
+#ifndef HAVE_FINITEF
+#define finitef(x) isfinite(x)
+#endif
+
+#ifndef HAVE_ISNANF
+#ifdef HAVE_ISNAN
+#define isnanf(x) isnan(x)
+#else
+#define isnanf(x) 0
+#endif
+#endif
+
 #ifndef signbit
 #define signbit(x) 0
 #endif
-- 
2.2.2