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r309752 | bruno | 2017-08-01 15:10:36 -0700 (Tue, 01 Aug 2017) | 6 lines
[Headers][Darwin] Allow #include_next<float.h> to work on Darwin prior to 10.7
This fixes PR31504 and it's a follow up from adding #include_next<float.h>
for Darwin in r289018.
rdar://problem/
29856682
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/branches/release_50@309764
91177308-0d34-0410-b5e6-
96231b3b80d8
*/
#if (defined(__APPLE__) || (defined(__MINGW32__) || defined(_MSC_VER))) && \
__STDC_HOSTED__ && __has_include_next(<float.h>)
+
+/* Prior to Apple's 10.7 SDK, float.h SDK header used to apply an extra level
+ * of #include_next<float.h> to keep Metrowerks compilers happy. Avoid this
+ * extra indirection.
+ */
+#ifdef __APPLE__
+#define _FLOAT_H_
+#endif
+
# include_next <float.h>
/* Undefine anything that we'll be redefining below. */