Fix compile in gcc492, ignore some designed warning with diagnostic p…

…ragma

Signed-off-by: Coldwings <[email protected]>

CMakeLists.txt

@@ -61,6 +61,8 @@ set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_BUILD_PARALLEL_LEVEL ${NumCPU})
 
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-packed-bitfield-compat")
+
 if (${ARCH} STREQUAL x86_64)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
 elseif (${ARCH} STREQUAL aarch64)

common/alog.h

@@ -347,13 +347,13 @@ struct Prologue
     int len_func, len_file;
     int line, level;
 
-    template <size_t N, typename FILEN>
-    constexpr Prologue(const char (&addr_func_)[N], FILEN addr_file_, int line_,
-                       int level_)
+    template <size_t N, size_t M>
+    constexpr Prologue(const char (&addr_func_)[N], const char (&addr_file_)[M],
+                       int line_, int level_)
         : addr_func(addr_func_),
-          addr_file(addr_file_.chars),
+          addr_file(addr_file_),
           len_func(N - 1),
-          len_file(addr_file_.len),
+          len_file(M - 1),
           line(line_),
           level(level_) {}
 };
@@ -456,7 +456,8 @@ struct LogBuilder {
     auto _partial_file =                                                       \
         ConstString::TSpliter<'/', ' ',                                        \
                               decltype(_prologue_file_r)>::Current::reverse(); \
-    constexpr static Prologue prolog(__func__, _partial_file, __LINE__, level);
+    constexpr static Prologue prolog(__func__, _partial_file.chars, __LINE__,  \
+                                     level);
 
 #define _IS_LITERAL_STRING(x) \
     (sizeof(#x) > 2 && (#x[0] == '"') && (#x[sizeof(#x) - 2] == '"'))

examples/perf/net-perf.cpp

@@ -35,7 +35,6 @@ DEFINE_uint64(port, 9527, "port");
 DEFINE_uint64(buf_size, 512, "buffer size");
 DEFINE_uint64(vcpu_num, 1, "server vcpu num. Increase this value to enable multi-vcpu scheduling");
 
-static int event_engine = 0;
 static bool stop_test = false;
 static uint64_t qps = 0;
 static uint64_t time_cost = 0;

net/http/client.cpp

@@ -113,8 +113,8 @@ class ClientImpl : public Client {
     CommonHeaders<> m_common_headers;
     ICookieJar *m_cookie_jar;
     ClientImpl(ICookieJar *cookie_jar, TLSContext *tls_ctx) :
-        m_cookie_jar(cookie_jar),
-        m_dialer(tls_ctx) {
+        m_dialer(tls_ctx),
+        m_cookie_jar(cookie_jar) {
     }
 
     using SocketStream_ptr = std::unique_ptr<ISocketStream>;

net/http/headers.cpp

@@ -151,7 +151,10 @@ HeadersBase::KV* HeadersBase::kv_add_sort(KV kv) {
     if ((char*)(begin - 1) <= m_buf + m_buf_size)
         LOG_ERROR_RETURN(ENOBUFS, nullptr, "no buffer");
     auto it = std::lower_bound(begin, kv_end(), kv, HA(this));
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wclass-memaccess"
     memmove(begin - 1, begin, sizeof(KV) * (it - begin));
+#pragma GCC diagnostic pop
     m_kv_size++;
     *(it - 1) = kv;
     return it - 1;

net/utils.cpp

@@ -105,7 +105,10 @@ inline __attribute__((always_inline)) void base64_translate_3to4(const char *in,
     static const unsigned char tbl[] =
         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
     auto v = htonl(*(uint32_t *)in);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
     auto x = *(xlator *)(&v);
+#pragma GCC diagnostic pop
     *(uint32_t *)out = ((tbl[x.a] << 24) + (tbl[x.b] << 16) +
                         (tbl[x.c] << 8) + (tbl[x.d] << 0));
 }

thread/thread.cpp

@@ -931,7 +931,10 @@ R"(
         stack_size = align_up(randomizer + stack_size + sizeof(thread), PAGE_SIZE);
         char* ptr = (char*)photon_thread_alloc(stack_size);
         auto p = ptr + stack_size - sizeof(thread) - randomizer;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
         (uint64_t&)p &= ~63;
+#pragma GCC diagnostic pop
         auto th = new (p) thread;
         th->buf = ptr;
         th->stackful_alloc_top = ptr;