Update from https://crrev.com/320343

sdch/mac/config.h

Index: sdch/mac/config.h
diff --git a/sdch/mac/config.h b/sdch/mac/config.h
new file mode 100644
index 0000000000000000000000000000000000000000..e9ee90ecbf36e8d31165d48c9f708c01f65afc35
--- /dev/null
+++ b/sdch/mac/config.h
@@ -0,0 +1,117 @@
+/* src/config.h.  Generated from config.h.in by configure.  */
+/* src/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#define HAVE_DLFCN_H 1
+
+/* Define to 1 if you have the <ext/rope> header file. */
+/* #undef HAVE_EXT_ROPE */
+
+/* Define to 1 if you have the <fnmatch.h> header file. */
+#define HAVE_FNMATCH_H 1
+
+/* Define to 1 if you have the <getopt.h> header file. */
+#define HAVE_GETOPT_H 1
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#define HAVE_GETTIMEOFDAY 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <malloc.h> header file. */
+/* #undef HAVE_MALLOC_H */
+
+/* Define to 1 if you have the `memalign' function. */
+/* #undef HAVE_MEMALIGN */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the `mprotect' function. */
+#define HAVE_MPROTECT 1
+
+/* Define to 1 if you have the `posix_memalign' function. */
+/* #undef HAVE_POSIX_MEMALIGN */
+
+/* Define to 1 if you have the `QueryPerformanceCounter' function. */
+/* #undef HAVE_QUERYPERFORMANCECOUNTER */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the `strtoll' function. */
+#define HAVE_STRTOLL 1
+
+/* Define to 1 if you have the `strtoq' function. */
+#define HAVE_STRTOQ 1
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+#define HAVE_SYS_MMAN_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if the system has the type `uint16_t'. */
+#define HAVE_UINT16_T 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if the system has the type `u_int16_t'. */
+#define HAVE_U_INT16_T 1
+
+/* Define to 1 if you have the <windows.h> header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* define if your compiler has __attribute__ */
+#define HAVE___ATTRIBUTE__ 1
+
+/* Define to 1 if the system has the type `__int16'. */
+/* #undef HAVE___INT16 */
+
+/* Name of package */
+#define PACKAGE "open-vcdiff"
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "opensource@google.com"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "open-vcdiff"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "open-vcdiff 0.7"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "open-vcdiff"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "0.7"
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Use custom compare function instead of memcmp */
+#if defined(__i386__) || defined(__x86_64__)
+#define VCDIFF_USE_BLOCK_COMPARE_WORDS 1
+#else
+/* #undef VCDIFF_USE_BLOCK_COMPARE_WORDS */
+#endif
+
+/* Version number of package */
+#define VERSION "0.7"