Fix compile under AIX 7.1

1 files changed, 12 insertions, 2 deletions

diff --git a/config.h b/config.h
index 4f41ba5f..753e9add 100644
--- a/config.h
+++ b/config.h
@@ -809,7 +809,7 @@ NAMESPACE_END
 

 // ************** Instrumentation ***************

 

-// GCC does not support; see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78204

+// GCC does not support; see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=78204

 #if (CRYPTOPP_LLVM_CLANG_VERSION >= 30700) || (CRYPTOPP_APPLE_CLANG_VERSION >= 70000)

 # define CRYPTOPP_NO_SANITIZE(x) __attribute__((no_sanitize(x)))

 #else

@@ -982,10 +982,20 @@ NAMESPACE_END
 #endif // nullptr_t compilers

 

 // TODO: Emplacement, R-values and Move semantics

-// Needed because we are catching warnings with GCC and MSC

 

 #endif // CRYPTOPP_CXX11

 

+// Hack ahead. New GCC compilers like GCC 6 on AIX 7.0 or earlier don't have the

+//   synchronization gear. However, Wakely's test used for Apple does not work

+//   on the GCC/AIX combination. Another twist is we need other stuff from C++11,

+//   like no-except destructors. Dumping preprocessors shows the following may

+//   apply: http://stackoverflow.com/q/14191566/608639.

+#if defined(_AIX) && defined(__GNUC__)

+#  if !defined(_GLIBCXX_HAS_GTHREADS)

+#    undef CRYPTOPP_CXX11_SYNCHRONIZATION

+#  endif

+#endif

+

 #if defined(CRYPTOPP_CXX11_NOEXCEPT)

 #  define CRYPTOPP_THROW noexcept(false)

 #  define CRYPTOPP_NO_THROW noexcept(true)