Fix Xcode 9, iOS SDK 11 compile issue

Author: ideawu

ChangeLog

@@ -4,6 +4,8 @@
 		- Upgrade leveldb to version 1.20, fix MANIFEST file too large issue(2017-09-25)
 	* Incompatible changes:
 		- The SSDB_KEY_LEN_MAX limit will be applied to KV, as described in docs(2017-11-08)
+	* Bug fixes:
+		- Fix Xcode 9, iOS SDK 11 compile issue(2017-11-20)
 * 1.9.5
 	* New features:
 		- C++ SDK add disconnected() method(2017-08-29)

Makefile

@@ -22,7 +22,8 @@ ios:
 	cd "${LEVELDB_PATH}"; make clean; CXXFLAGS=-stdlib=libc++ ${MAKE} PLATFORM=IOS
 	cd "${SNAPPY_PATH}"; make clean; make -f Makefile-ios
 	mkdir -p ios
-	mv ${LEVELDB_PATH}/libleveldb-ios.a ${SNAPPY_PATH}/libsnappy-ios.a ios/
+	mv ${LEVELDB_PATH}/out-ios-universal/libleveldb.a ios/libleveldb-ios.a
+	mv ${SNAPPY_PATH}/libsnappy-ios.a ios/
 	cd src/util; make clean; ${MAKE} -f Makefile-ios
 	cd src/ssdb; make clean; ${MAKE} -f Makefile-ios
 

src/ssdb/ssdb.h

@@ -49,7 +49,13 @@ class SSDB{
 	virtual int incr(const Bytes &key, int64_t by, int64_t *new_val, char log_type=BinlogType::SYNC) = 0;
 	virtual int multi_set(const std::vector<Bytes> &kvs, int offset=0, char log_type=BinlogType::SYNC) = 0;
 	virtual int multi_del(const std::vector<Bytes> &keys, int offset=0, char log_type=BinlogType::SYNC) = 0;
+	// fix iOS 11 issue
+#ifdef setbit
+#define setbit_ setbit
+#undef setbit
 	virtual int setbit(const Bytes &key, int bitoffset, int on, char log_type=BinlogType::SYNC) = 0;
+#define setbit setbit_
+#endif
 	virtual int getbit(const Bytes &key, int bitoffset) = 0;
 
 	virtual int get(const Bytes &key, std::string *val) = 0;