From 1040a210f53cc8a96f4e2c0bfc2b7ea53479955a Mon Sep 17 00:00:00 2001
Date: Mon, 17 May 2021 17:21:47 -0700
Subject: [PATCH 11/24] Fix missing long long math prototypes when using the
Snow Leopard SDK
---
libcxx/include/math.h | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/libcxx/include/math.h b/libcxx/include/math.h
index 1603d5748e2d..d64e6a52ccd3 100644
--- a/libcxx/include/math.h
+++ b/libcxx/include/math.h
@@ -299,6 +299,32 @@ long double truncl(long double x);
#include_next <math.h>
+#ifdef __APPLE__
+# if __has_include(<Availability.h>)
+# include <Availability.h>
+# if __MAC_OS_X_VERSION_MAX_ALLOWED < 1070
+# define __APPLE_BAD_MATH_H 1
+# else
+# define __APPLE_BAD_MATH_H 0
+# endif
+# else
+# define __APPLE_BAD_MATH_H 1
+# endif
+
+# if __APPLE_BAD_MATH_H
+/* These prototypes are incorrectly omitted from <math.h> on Snow Leopard despite being available */
+extern "C" {
+ extern long long int llrintl(long double);
+ extern long long int llrint(double);
+ extern long long int llrintf(float);
+
+ extern long long int llroundl(long double);
+ extern long long int llround(double);
+ extern long long int llroundf(float);
+}
+# endif
+#endif // __APPLE__
+
#ifdef __cplusplus
// We support including .h headers inside 'extern "C"' contexts, so switch
--
2.21.1 (Apple Git-122.3)