Remove initializer lists support for Apple/Clang (libstdc++ version used does…

Remove initializer lists support for Apple/Clang (libstdc++ version used does not include std::initializer_list) (#334)

Remove initializer lists support for Apple/Clang (libstdc++ version used does…
Remove initializer lists support for Apple/Clang (libstdc++ version used does not include std::initializer_list) (#334)
f16991d3 · Davis E. King · GitHub · 23785d53 · 06a552ee · f16991d3
Commit f16991d3 authored Nov 14, 2016 by Davis E. King Committed by GitHub Nov 14, 2016
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assert.h dlib/assert.h +4 -0

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--- a/dlib/assert.h
+++ b/dlib/assert.h
@@ -47,6 +47,10 @@
 #   define DLIB_HAS_INITIALIZER_LISTS
 #endif
+#if defined(__APPLE__) && defined(__GNUC_LIBSTD__) && ((__GNUC_LIBSTD__-0) * 100 + __GNUC_LIBSTD_MINOR__-0 <= 402)
+ // Apple has not updated libstdc++ in some time and anything under 4.02 does not have <initializer_list> for sure.
+#   undef DLIB_HAS_INITIALIZER_LISTS
+#endif
 // figure out if the compiler has static_assert. 
 #if defined(__clang__)