Merge pull request NVIDIA#1437 from allisonvacanti/update_depr_messages

Update deprecation messages for CTK 11.4.

Author: alliepiper

thrust/detail/config/cpp_dialect.h

@@ -97,27 +97,43 @@
 #  define THRUST_COMP_DEPR_IMPL1 /* intentionally blank */
 #endif
 
-#define THRUST_COMPILER_DEPRECATION(REQ, FIX) \
-  THRUST_COMP_DEPR_IMPL(Thrust requires at least REQ. Please FIX. Define THRUST_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.)
+#define THRUST_COMPILER_DEPRECATION(REQ) \
+  THRUST_COMP_DEPR_IMPL(Thrust requires at least REQ. Define THRUST_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.)
+
+#define THRUST_COMPILER_DEPRECATION_SOFT(REQ, CUR) \
+  THRUST_COMP_DEPR_IMPL(Thrust requires at least REQ. CUR is deprecated but still supported. CUR support will be removed in a future release. Define THRUST_IGNORE_DEPRECATED_CPP_DIALECT to suppress this message.)
 
-// Minimum required compiler checks:
 #ifndef THRUST_IGNORE_DEPRECATED_COMPILER
+
+// Compiler checks:
 #  if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_GCC && THRUST_GCC_VERSION < 50000
-     THRUST_COMPILER_DEPRECATION(GCC 5.0, upgrade your compiler);
+     THRUST_COMPILER_DEPRECATION(GCC 5.0);
+#  elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_CLANG && THRUST_CLANG_VERSION < 70000
+     THRUST_COMPILER_DEPRECATION(Clang 7.0);
+#  elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC && THRUST_MSVC_VERSION < 1910
+     // <2017. Hard upgrade message:
+     THRUST_COMPILER_DEPRECATION(MSVC 2019 (19.20/16.0/14.20));
+#  elif THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC && THRUST_MSVC_VERSION < 1920
+     // >=2017, <2019. Soft deprecation message:
+     THRUST_COMPILER_DEPRECATION_SOFT(MSVC 2019 (19.20/16.0/14.20), MSVC 2017);
 #  endif
-#  if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_CLANG && THRUST_CLANG_VERSION < 70000
-     THRUST_COMPILER_DEPRECATION(Clang 7.0, upgrade your compiler);
-#  endif
-#  if THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC && THRUST_MSVC_VERSION < 1920
-     THRUST_COMPILER_DEPRECATION(MSVC 2019 (19.20/16.0/14.20), upgrade your compiler);
+
+#endif // THRUST_IGNORE_DEPRECATED_COMPILER
+
+#ifndef THRUST_IGNORE_DEPRECATED_DIALECT
+
+// Dialect checks:
+#  if THRUST_CPP_DIALECT < 2011
+     // <C++11. Hard upgrade message:
+     THRUST_COMPILER_DEPRECATION(C++14);
+#  elif THRUST_CPP_DIALECT == 2011 && !defined(THRUST_IGNORE_DEPRECATED_CPP_11)
+     // =C++11. Soft upgrade message:
+     THRUST_COMPILER_DEPRECATION_SOFT(C++14, C++11);
 #  endif
-#endif
 
-#if !defined(THRUST_IGNORE_DEPRECATED_CPP_DIALECT) && THRUST_CPP_DIALECT < 2014 && \
-    (THRUST_CPP_DIALECT != 2011 || !defined(THRUST_IGNORE_DEPRECATED_CPP_11))
-  THRUST_COMPILER_DEPRECATION(C++14, pass -std=c++14 to your compiler);
-#endif
+#endif // THRUST_IGNORE_DEPRECATED_DIALECT
 
+#undef THRUST_COMPILER_DEPRECATION_SOFT
 #undef THRUST_COMPILER_DEPRECATION
 #undef THRUST_COMP_DEPR_IMPL
 #undef THRUST_COMP_DEPR_IMPL0