+dnl xlC needs -qunique (at least on AIX) so that one source file can be
+dnl compiled to multiple object files and safely linked together.
+if test "x$XLCXX" = "xyes"; then
+ CXXFLAGS="$CXXFLAGS -qunique"
+fi
+
+
+dnl This case is for OS X vs. everything else
+case "${host}" in
+ powerpc-*-darwin* )
+ AC_MSG_CHECKING([if __POWERPC__ is already defined])
+ AC_TRY_COMPILE([],[#ifndef __POWERPC__
+ choke me for lack of PowerPC
+#endif
+],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE(__POWERPC__)
+ ])
+ AC_MSG_CHECKING([if CoreFoundation/CFBase.h is usable])
+ AC_TRY_COMPILE([#include <CoreFoundation/CFBase.h>
+],[],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_CHECKING([if __CF_USE_FRAMEWORK_INCLUDES__ is required])
+ AC_TRY_COMPILE([#define __CF_USE_FRAMEWORK_INCLUDES__
+#include <CoreFoundation/CFBase.h>
+ ],[],
+ [AC_MSG_RESULT([yes])
+ dnl We must use -D so source files that don't include wx/setup.h
+ dnl but do include CFBase will work.
+ CPPFLAGS="$CPPFLAGS -D__CF_USE_FRAMEWORK_INCLUDES__"],
+ [AC_MSG_FAILURE([no. CoreFoundation not available.])]
+ )
+ ]
+ )
+ ;;
+esac
+
+dnl This case is for OS/2 vs. everything else