Gabime/visibilty-hidden 2.x (#3324)

Set CMAKE_CXX_VISIBILITY_PRESET and VISIBILITY_INLINES_HIDDEN when build shared lib

CMakeLists.txt

@@ -242,6 +242,10 @@ if (BUILD_SHARED_LIBS)
     endif ()
     add_library(spdlog SHARED ${VERSION_RC})
     target_compile_definitions(spdlog PUBLIC SPDLOG_SHARED_LIB)
+    set_target_properties(spdlog PROPERTIES
+            CXX_VISIBILITY_PRESET hidden
+            VISIBILITY_INLINES_HIDDEN ON)
+
     if (MSVC)
         # disable dlls related warnings on msvc
         target_compile_options(spdlog PUBLIC $<$<AND:$<CXX_COMPILER_ID:MSVC>,$<NOT:$<COMPILE_LANGUAGE:CUDA>>>:/wd4251

include/spdlog/details/null_mutex.h

@@ -7,7 +7,6 @@
 #include <utility>
 
 // null, no cost dummy "mutex" and dummy "atomic" log level
-
 namespace spdlog {
 namespace details {
 struct null_mutex {

include/spdlog/sinks/ansicolor_sink.h

@@ -70,14 +70,16 @@ public:
     static constexpr std::string_view bold_on_red = "\033[1m\033[41m";
 
 private:
-    void sink_it_(const details::log_msg &msg) override;
-    void flush_() override;
     FILE *target_file_;
     bool should_do_colors_;
     std::array<std::string, levels_count> colors_;
-    void print_ccode_(const string_view_t color_code);
-    void print_range_(const memory_buf_t &formatted, size_t start, size_t end);
-    static std::string to_string_(const string_view_t sv);
+
+    void sink_it_(const details::log_msg &msg) override;
+    void flush_() override;
+    void set_color_mode_(color_mode mode);
+    void print_ccode_(string_view_t color_code) const;
+    void print_range_(const memory_buf_t &formatted, size_t start, size_t end) const;
+    static std::string to_string_(string_view_t sv);
 };
 
 template <typename Mutex>

include/spdlog/sinks/base_sink.h

@@ -36,7 +36,7 @@ public:
 protected:
     // sink formatter
     std::unique_ptr<spdlog::formatter> formatter_;
-    Mutex mutex_;
+    mutable Mutex mutex_;
 
     virtual void sink_it_(const details::log_msg &msg) = 0;
     virtual void flush_() = 0;

src/sinks/ansicolor_sink.cpp

@@ -13,7 +13,7 @@ namespace sinks {
 
 template <typename Mutex>
 ansicolor_sink<Mutex>::ansicolor_sink(FILE *target_file, color_mode mode) : target_file_(target_file) {
-    set_color_mode(mode);
+    set_color_mode_(mode);
     colors_.at(level_to_number(level::trace)) = to_string_(white);
     colors_.at(level_to_number(level::debug)) = to_string_(cyan);
     colors_.at(level_to_number(level::info)) = to_string_(green);
@@ -37,22 +37,27 @@ bool ansicolor_sink<Mutex>::should_color() const {
 
 template <typename Mutex>
 void ansicolor_sink<Mutex>::set_color_mode(color_mode mode) {
+    std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
+    set_color_mode_(mode);
+}
+
+template <typename Mutex>
+void ansicolor_sink<Mutex>::set_color_mode_(color_mode mode) {
     std::lock_guard<Mutex> lock(base_sink<Mutex>::mutex_);
     switch (mode) {
         case color_mode::always:
             should_do_colors_ = true;
-            return;
+        return;
         case color_mode::automatic:
             should_do_colors_ = details::os::in_terminal(target_file_) && details::os::is_color_terminal();
-            return;
+        return;
         case color_mode::never:
             should_do_colors_ = false;
-            return;
+        return;
         default:
             should_do_colors_ = false;
     }
 }
-
 template <typename Mutex>
 void ansicolor_sink<Mutex>::sink_it_(const details::log_msg &msg) {
     // Wrap the originally formatted message in color codes.
@@ -83,12 +88,12 @@ void ansicolor_sink<Mutex>::flush_() {
 }
 
 template <typename Mutex>
-void ansicolor_sink<Mutex>::print_ccode_(const string_view_t color_code) {
+void ansicolor_sink<Mutex>::print_ccode_(const string_view_t color_code) const {
     details::os::fwrite_bytes(color_code.data(), color_code.size(), target_file_);
 }
 
 template <typename Mutex>
-void ansicolor_sink<Mutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end) {
+void ansicolor_sink<Mutex>::print_range_(const memory_buf_t &formatted, size_t start, size_t end) const {
     details::os::fwrite_bytes(formatted.data() + start, end - start, target_file_);
 }
 
@@ -112,6 +117,8 @@ ansicolor_stderr_sink<Mutex>::ansicolor_stderr_sink(color_mode mode)
 
 // template instantiations
 #include "spdlog/details/null_mutex.h"
+template class SPDLOG_API spdlog::sinks::ansicolor_sink<std::mutex>;
+template class SPDLOG_API spdlog::sinks::ansicolor_sink<spdlog::details::null_mutex>;
 template class SPDLOG_API spdlog::sinks::ansicolor_stdout_sink<std::mutex>;
 template class SPDLOG_API spdlog::sinks::ansicolor_stdout_sink<spdlog::details::null_mutex>;
 template class SPDLOG_API spdlog::sinks::ansicolor_stderr_sink<std::mutex>;