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-rw-r--r--9/sources/cxx-stl/llvm-libc++/libcxx/include/cstdio13
1 files changed, 13 insertions, 0 deletions
diff --git a/9/sources/cxx-stl/llvm-libc++/libcxx/include/cstdio b/9/sources/cxx-stl/llvm-libc++/libcxx/include/cstdio
index 7787fad..8f2a7b0 100644
--- a/9/sources/cxx-stl/llvm-libc++/libcxx/include/cstdio
+++ b/9/sources/cxx-stl/llvm-libc++/libcxx/include/cstdio
@@ -126,6 +126,19 @@ inline _LIBCPP_INLINE_VISIBILITY int __libcpp_putc(int __c, FILE* __stream) {ret
inline _LIBCPP_INLINE_VISIBILITY int putc(int __c, FILE* __stream) {return __libcpp_putc(__c, __stream);}
#endif // putc
+#ifdef __ANDROID__
+// In bionic's stdio.h, putchar appears as both a function prototype and a macro (later
+// in the same header). Because it's defined as a macro, the following code snippet replaces
+// it with a function but with *different* visibility. GCC 4.x complains [-Wattributes]
+//
+// include/stdio.h:236:5: warning: conflicts with previous declaration here [-Wattributes]
+// int putchar(int);
+//
+// Undefine putchar to avoid redefinition, and putchar does exist in libc.so
+//
+#undef putchar
+#endif
+
#ifdef putchar
inline _LIBCPP_INLINE_VISIBILITY int __libcpp_putchar(int __c) {return putchar(__c);}
#undef putchar