Merge branch 'judemille-windows-compat-fixes'

Added an undef of interface, a microsoft preprocessor
symbol (conflicts with libdwrf). In dwarfgen.
refinded a _WIN32 defined test to check __MSC_VER too.

Author: davea42

src/bin/dwarfgen/createirepformfrombinary.cc

@@ -62,6 +62,11 @@
 #include "irepresentation.h"
 #include "createirepfrombinary.h"
 
+// Microsoft preprocessor definition that wreaks havoc
+#ifdef interface
+#undef interface
+#endif
+
 using std::string;
 using std::cout;
 using std::cerr;

src/lib/libdwarf/libdwarf_private.h

@@ -11,7 +11,7 @@
 #define LIBDWARF_PRIVATE_H
 #define DW_PR_XZEROS "08"
 
-#ifdef _WIN32
+#if defined(_WIN32) && defined(_MSC_VER)
 #define DW_PR_DUx "I64x"
 #define DW_PR_DSx "I64x"
 #define DW_PR_DUu "I64u"