Make the unit test work on systems without mmap(). This is required for,

among others, Windows support. For Windows in specific, we could have used
CreateFileMapping/MapViewOfFile, but this should at least get us a bit closer
to compiling, and is of course also relevant for embedded systems with no MMU.

(Part 1/2)

R=csilvers
DELTA=9  (8 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=1031


git-svn-id: https://snappy.googlecode.com/svn/trunk@15 03e5f5b5-db94-4691-08a0-1a8bf15f6143

configure.ac

@@ -18,7 +18,7 @@ AC_SUBST([LIBTOOL_DEPS])
 AC_PROG_CXX
 AC_LANG([C++])
 AC_C_BIGENDIAN
-AC_CHECK_HEADERS([stdint.h stddef.h])
+AC_CHECK_HEADERS([stdint.h stddef.h sys/mman.h])
 
 # Don't use AC_FUNC_MMAP, as it checks for mappings of already-mapped memory,
 # which we don't need (and does not exist on Windows).

snappy-stubs-internal.h

@@ -23,7 +23,10 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
+
+#ifdef HAVE_SYS_MMAN
 #include <sys/mman.h>
+#endif
 
 #include "config.h"
 #include "snappy-stubs-public.h"

snappy-test.h

@@ -21,6 +21,11 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
 #include <sys/resource.h>
 #include <sys/time.h>