fix build env and add building section for README

README.md

@@ -22,10 +22,14 @@ You can use it to:
 * Get [better latency and throughput](docs/en/overview.md#better-latency-and-throughput).
 * [Extend brpc](docs/en/new_protocol.md) with the protocols used in your organization quickly, or customize components, including [naming services](docs/cn/load_balancing.md#命名服务) (dns, zk, etcd), [load balancers](docs/cn/load_balancing.md#负载均衡) (rr, random, consistent hashing)
 
+# How to Build
+
+* Read [getting started](docs/cn/getting_started.md) for building steps.
+
 # Try it!
 
 * Read [overview](docs/en/overview.md) to know where brpc can be used and its advantages.
-* Read [getting started](docs/cn/getting_started.md) for building steps and play with [examples](https://github.com/brpc/brpc/tree/master/example/).
+* Play with [examples](https://github.com/brpc/brpc/tree/master/example/).
 * Docs:
   * [Performance benchmark](docs/cn/benchmark.md)
   * [bvar](docs/en/bvar.md)

config_brpc.sh

@@ -138,7 +138,12 @@ find_dir_of_header_or_die() {
 
 # Inconvenient to check these headers in baidu-internal
 #PTHREAD_HDR=$(find_dir_of_header_or_die pthread.h)
-OPENSSL_HDR=$(find_dir_of_header_or_die openssl/ssl.h)
+if [ "$SYSTEM" = "Darwin" ]; then
+    OPENSSL_HDR="/usr/local/Cellar/openssl\@1.1/1.1.1b/include"
+    OPENSSL_LIB="/usr/local/Cellar/openssl\@1.1/1.1.1b/lib"
+else
+    OPENSSL_HDR=$(find_dir_of_header_or_die openssl/ssl.h)
+fi
 
 if [ $WITH_MESALINK != 0 ]; then
     MESALINK_HDR=$(find_dir_of_header_or_die mesalink/openssl/ssl.h)
@@ -233,7 +238,7 @@ PROTOBUF_HDR=$(find_dir_of_header_or_die google/protobuf/message.h)
 LEVELDB_HDR=$(find_dir_of_header_or_die leveldb/db.h)
 
 HDRS=$($ECHO "$GFLAGS_HDR\n$PROTOBUF_HDR\n$LEVELDB_HDR\n$OPENSSL_HDR" | sort | uniq)
-LIBS=$($ECHO "$GFLAGS_LIB\n$PROTOBUF_LIB\n$LEVELDB_LIB\n$SNAPPY_LIB" | sort | uniq)
+LIBS=$($ECHO "$GFLAGS_LIB\n$PROTOBUF_LIB\n$LEVELDB_LIB\n$OPENSSL_LIB\n$SNAPPY_LIB" | sort | uniq)
 
 absent_in_the_list() {
     TMP=`$ECHO "$1\n$2" | sort | uniq`

docs/cn/getting_started.md

@@ -40,7 +40,7 @@ sudo apt-get install libgoogle-perftools-dev
 
 If you need to run tests, install and compile libgtest-dev (which is not compiled yet):
 ```shell
-sudo apt-get install libgtest-dev && cd /usr/src/gtest && sudo cmake . && sudo make && sudo mv libgtest* /usr/lib/ && cd -
+sudo apt-get install libgtest-dev && cd /usr/src/gtest && sudo cmake . && sudo make && sudo mv lib/libgtest* /usr/lib/ && cd -
 ```
 The directory of gtest source code may be changed, try `/usr/src/googletest/googletest` if `/usr/src/gtest` is not there.
 
@@ -261,12 +261,18 @@ Note: In the same running environment, the performance of the current Mac versio
 
 Install common deps:
 ```shell
-brew install openssl git gnu-getopt coreutils
+brew install openssl@1.1 git gnu-getopt coreutils
 ```
 
-Install [gflags](https://github.com/gflags/gflags), [protobuf](https://github.com/google/protobuf), [leveldb](https://github.com/google/leveldb):
+Install [gflags](https://github.com/gflags/gflags), [leveldb](https://github.com/google/leveldb):
+```shell
+brew install gflags leveldb
+```
+
+Install [protobuf](https://github.com/google/protobuf):
 ```shell
-brew install gflags protobuf leveldb
+brew install protobuf@3.1
+brew link --force --overwrite protobuf@3.1
 ```
 
 If you need to enable cpu/heap profilers in examples:
@@ -276,7 +282,7 @@ brew install gperftools
 
 If you need to run tests, install and compile googletest (which is not compiled yet):
 ```shell
-git clone https://github.com/google/googletest && cd googletest/googletest && mkdir bld && cd bld && cmake -DCMAKE_CXX_FLAGS="-std=c++11" .. && make && sudo mv libgtest* /usr/lib/ && cd -
+git clone https://github.com/google/googletest && cd googletest/googletest && mkdir bld && cd bld && cmake -DCMAKE_CXX_FLAGS="-std=c++11" .. && make && sudo mv lib/libgtest* /usr/lib/ && cd -
 ```
 
 ### Compile brpc with config_brpc.sh