Use cxxstdio

1 files changed, 19 insertions, 4 deletions

diff --git a/src/common/sanity.hpp b/src/common/sanity.hpp
index c4f75e0..9bad464 100644
--- a/src/common/sanity.hpp
+++ b/src/common/sanity.hpp
@@ -1,20 +1,35 @@
 /// return wrappers for unexpected NULL pointers
 #ifndef SANITY_HPP
 #define SANITY_HPP
+
 # ifndef __cplusplus
 #  error "Please compile in C++ mode"
 # endif
-# if __GNUC__ < 3
-// I don't specifically know what version this requires,
-// but GCC 3 was the beginning of modern GCC
-#  error "Please upgrade your compiler to at least GCC 3"
+
+# if __GNUC__ < 4
+#  error "Your compiler is absolutely ancient. You have no chance ..."
+# endif
+
+# if __GNUC__ == 4
+// clang identifies as GCC 4.2, but is mostly okay.
+// Until a bug-free release of it happens, though, I won't recommend it.
+// (patched) clang 3.1 would be the requirement
+#  if __GNUC_MINOR__ < 6 && !defined(__clang__)
+#   error "Please upgrade to at least GCC 4.6"
+#  endif
+#  if __GNUC_MINOR__ == 6
+#   warning "Working around some annoying bugs in GCC 4.6 ..."
+#   define ANNOYING_GCC46_WORKAROUNDS
+#  endif
 # endif
+
 # ifndef __i386__
 // Known platform dependencies:
 // endianness for the [RW]FIFO.* macros
 // possibly, some signal-handling
 #  error "Unsupported platform"
 # endif
+
 # ifdef __x86_64__
 // I'm working on it - I know there are some pointer-size assumptions.
 #  error "Sorry, this code is believed not to be 64-bit safe"