Decide namespace of gflags in config_brpc.sh

config_brpc.sh

@@ -148,6 +148,13 @@ fi
 PROTOC=$(find_bin_or_die protoc)
 
 GFLAGS_HDR=$(find_dir_of_header_or_die gflags/gflags.h)
+# namespace of gflags may not be google, grep it from source.
+GFLAGS_NS=$(grep "namespace [a-z0-9]\+ {" $GFLAGS_HDR/gflags/gflags.h | head -1 | awk '{print $2}')
+if [ -z "$GFLAGS_NS" ]; then
+    >&2 $ECHO "Fail to grep namespace of gflags source $GFLAGS_HDR/gflags/gflags.h"
+    exit 1
+fi
+
 PROTOBUF_HDR=$(find_dir_of_header_or_die google/protobuf/message.h)
 LEVELDB_HDR=$(find_dir_of_header_or_die leveldb/db.h)
 
@@ -301,7 +308,8 @@ if [ $WITH_GLOG != 0 ]; then
         rm -f libglog.deps
     fi
 fi
-append_to_output "CPPFLAGS+=-DBRPC_WITH_GLOG=$WITH_GLOG"
+append_to_output "CPPFLAGS+=-DBRPC_WITH_GLOG=$WITH_GLOG -DGFLAGS_NS=$GFLAGS_NS"
+
 
 if [ ! -z "$REQUIRE_UNWIND" ]; then
     append_to_output_libs "$UNWIND_LIB" "    "

example/asynchronous_echo_c++/client.cpp

@@ -54,7 +54,7 @@ void HandleEchoResponse(
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/asynchronous_echo_c++/server.cpp

@@ -76,7 +76,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/backup_request_c++/client.cpp

@@ -32,7 +32,7 @@ DEFINE_int32(backup_request_ms, 2, "Timeout for sending backup request");
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/backup_request_c++/server.cpp

@@ -80,7 +80,7 @@ class SleepyEchoService : public EchoService
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/cancel_c++/client.cpp

@@ -42,7 +42,7 @@ class CancelRPC : public google::protobuf::Closure {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/cancel_c++/server.cpp

@@ -80,7 +80,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/cascade_echo_c++/client.cpp

@@ -84,8 +84,8 @@ void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::SetUsageMessage("Send EchoRequest to server every second");
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::SetUsageMessage("Send EchoRequest to server every second");
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/cascade_echo_c++/server.cpp

@@ -84,8 +84,8 @@ class CascadeEchoService : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::SetUsageMessage("A server that may call itself");
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::SetUsageMessage("A server that may call itself");
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/dynamic_partition_echo_c++/client.cpp

@@ -120,7 +120,7 @@ class MyPartitionParser : public brpc::PartitionParser {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/dynamic_partition_echo_c++/server.cpp

@@ -93,7 +93,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     if (FLAGS_server_num <= 0) {
         LOG(ERROR) << "server_num must be positive";

example/echo_c++/client.cpp

@@ -32,7 +32,7 @@ DEFINE_string(http_content_type, "application/json", "Content type of http reque
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/echo_c++/server.cpp

@@ -80,7 +80,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/echo_c++_hulu_pbrpc/client.cpp

@@ -31,7 +31,7 @@ DEFINE_int32(interval_ms, 1000, "Milliseconds between consecutive requests");
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/echo_c++_hulu_pbrpc/server.cpp

@@ -94,7 +94,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/echo_c++_sofa_pbrpc/client.cpp

@@ -29,7 +29,7 @@ DEFINE_string(protocol, "sofa_pbrpc", "Protocol type. Defined in src/brpc/option
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/echo_c++_sofa_pbrpc/server.cpp

@@ -94,7 +94,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/echo_c++_ubrpc_compack/client.cpp

@@ -31,7 +31,7 @@ DEFINE_bool(multi_args, false,
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/echo_c++_ubrpc_compack/server.cpp

@@ -83,7 +83,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/http_c++/benchmark_http.cpp

@@ -71,7 +71,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/http_c++/http_client.cpp

@@ -35,7 +35,7 @@ DECLARE_bool(http_verbose);
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     if (argc != 2) {
         LOG(ERROR) << "Usage: ./http_client \"www.foo.com\"";

example/http_c++/http_server.cpp

@@ -160,7 +160,7 @@ class QueueServiceImpl : public example::QueueService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/memcache_c++/client.cpp

@@ -94,7 +94,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
     if (FLAGS_exptime < 0) {
         FLAGS_exptime = 0;
     }

example/multi_threaded_echo_c++/client.cpp

@@ -86,7 +86,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/multi_threaded_echo_c++/server.cpp

@@ -55,10 +55,10 @@ DEFINE_bool(h, false, "print help information");
 
 int main(int argc, char* argv[]) {
     std::string help_str = "dummy help infomation";
-    google::SetUsageMessage(help_str);
+    GFLAGS_NS::SetUsageMessage(help_str);
 
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     if (FLAGS_h) {
         fprintf(stderr, "%s\n%s\n%s", help_str.c_str(), help_str.c_str(), help_str.c_str());

example/multi_threaded_echo_fns_c++/client.cpp

@@ -93,7 +93,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/multi_threaded_echo_fns_c++/server.cpp

@@ -96,7 +96,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     if (FLAGS_server_num <= 0) {
         LOG(ERROR) << "server_num must be positive";

example/multi_threaded_mcpack_c++/client.cpp

@@ -84,7 +84,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/multi_threaded_mcpack_c++/server.cpp

@@ -46,7 +46,7 @@ class EchoServiceImpl : public EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/nshead_extension_c++/client.cpp

@@ -32,7 +32,7 @@ DEFINE_int32(max_retry, 3, "Max retries(not including the first RPC)");
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/nshead_extension_c++/server.cpp

@@ -48,7 +48,7 @@ class MyNsheadProtocol : public brpc::NsheadService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     brpc::Server server;
     brpc::ServerOptions options;

example/nshead_pb_extension_c++/client.cpp

@@ -32,7 +32,7 @@ DEFINE_int32(max_retry, 3, "Max retries(not including the first RPC)");
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/nshead_pb_extension_c++/server.cpp

@@ -94,7 +94,7 @@ class MyNsheadProtocol : public brpc::NsheadPbServiceAdaptor {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     brpc::Server server;
     example::EchoServiceImpl echo_service_impl;

example/parallel_echo_c++/client.cpp

@@ -91,7 +91,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/parallel_echo_c++/server.cpp

@@ -51,7 +51,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/partition_echo_c++/client.cpp

@@ -121,7 +121,7 @@ class MyPartitionParser : public brpc::PartitionParser {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/partition_echo_c++/server.cpp

@@ -51,7 +51,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // Generally you only need one Server.
     brpc::Server server;

example/redis_c++/redis_cli.cpp

@@ -74,7 +74,7 @@ static int cli_getc(FILE *stream) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/redis_c++/redis_press.cpp

@@ -94,7 +94,7 @@ static void* sender(void* void_args) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/selective_echo_c++/client.cpp

@@ -83,7 +83,7 @@ static void* sender(void* arg) {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     // A Channel represents a communication line to a Server. Notice that 
     // Channel is thread-safe and can be shared by all threads in your program.

example/selective_echo_c++/server.cpp

@@ -92,7 +92,7 @@ class EchoServiceImpl : public example::EchoService {
 
 int main(int argc, char* argv[]) {
     // Parse gflags. We recommend you to use gflags as well.
-    google::ParseCommandLineFlags(&argc, &argv, true);
+    GFLAGS_NS::ParseCommandLineFlags(&argc, &argv, true);
 
     if (FLAGS_server_num <= 0) {
         LOG(ERROR) << "server_num must be positive";