fix(cmake): Make specific c++lib linking optional

- Do not enforce linking against libc++
- Fix various linter warnings

include/components/builder.hpp

@@ -460,4 +460,4 @@ class builder {
   int m_fontindex = 1;
 };
 
-LEMONBUDDY_NS_END;
+LEMONBUDDY_NS_END

include/components/command_line.hpp

@@ -33,11 +33,7 @@ namespace command_line {
      */
     explicit option(
         string flag, string flag_long, string desc, string token = "", const choices c = {})
-        : flag(flag)
-        , flag_long(flag_long)
-        , desc(desc)
-        , token(token)
-        , values(c) {}
+        : flag(flag), flag_long(flag_long), desc(desc), token(token), values(c) {}
   };
 
   // }}}
@@ -101,7 +97,7 @@ namespace command_line {
       }
 
       for (auto& opt : m_opts) {
-        int pad = maxlen - opt.flag_long.length() - opt.token.length();
+        size_t pad = maxlen - opt.flag_long.length() - opt.token.length();
 
         std::cout << "  " << opt.flag << ", " << opt.flag_long;
 

include/components/controller.hpp

@@ -563,7 +563,6 @@ namespace {
   di::injector<T> configure_controller(inotify_watch_t& confwatch) {
     // clang-format off
     return di::make_injector(
-        di::bind<controller>().to<controller>(),
         di::bind<>().to(confwatch),
         configure_connection(),
         configure_logger(),

include/components/logger.hpp

@@ -128,14 +128,14 @@ class logger {
   template <typename T>
   decltype(auto) convert(T&& arg) const {
     return forward<T>(arg);
-  };
+  }
 
   /**
    * Convert string to const char*
    */
   const char* convert(string arg) const {
     return arg.c_str();
-  };
+  }
 
   /**
    * Write the log message to the output channel
@@ -150,10 +150,14 @@ class logger {
     auto suffix = m_suffixes.find(level)->second;
 
 // silence the compiler
+#if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wformat-security"
+#endif
     dprintf(m_fd, (prefix + format + suffix + "\n").c_str(), convert(values)...);
+#if defined(__clang__)
 #pragma clang diagnostic pop
+#endif
   }
 
  private:

include/components/types.hpp

@@ -56,7 +56,7 @@ struct bar_settings {
     };
     snprintf(buffer, sizeof(buffer), "%dx%d+%d+%d", width, height, x, y);
     return string{*buffer};
-  };
+  }
 };
 
 struct tray_settings {
@@ -105,7 +105,6 @@ struct action_block {
 #endif
 };
 
-struct wmsettings_bspwm {
-};
+struct wmsettings_bspwm {};
 
 LEMONBUDDY_NS_END

include/components/x11/color.hpp

@@ -7,21 +7,16 @@
 
 LEMONBUDDY_NS
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
-
 union rgba {
   struct {
     uint8_t r;
     uint8_t g;
     uint8_t b;
     uint8_t a;
-  };
+  } _;
   uint32_t v;
 };
 
-#pragma clang diagnostic pop
-
 static map<string, class color> g_colorstore;
 
 class color {
@@ -29,9 +24,9 @@ class color {
   explicit color(string hex) : m_hex(string_util::upper(hex)) {
     m_rgba.v = static_cast<uint32_t>(strtoul(&hex[1], nullptr, 16));
     // premultiply alpha
-    m_rgba.r = m_rgba.r * m_rgba.a / 255;
-    m_rgba.g = m_rgba.g * m_rgba.a / 255;
-    m_rgba.b = m_rgba.b * m_rgba.a / 255;
+    m_rgba._.r = m_rgba._.r * m_rgba._.a / 255;
+    m_rgba._.g = m_rgba._.g * m_rgba._.a / 255;
+    m_rgba._.b = m_rgba._.b * m_rgba._.a / 255;
   }
 
   explicit color(uint32_t v) {

include/components/x11/draw.hpp

@@ -25,7 +25,7 @@ namespace draw_util {
    * Code: http://wmdia.sourceforge.net/
    */
   auto xcb_poly_text_16_patched(xcb_connection_t* conn, xcb_drawable_t d, xcb_gcontext_t gc,
-      int16_t x, int16_t y, uint32_t len, uint16_t* str) {
+      int16_t x, int16_t y, uint8_t len, uint16_t* str) {
     static const xcb_protocol_request_t xcb_req = {
         5,                 // count
         0,                 // ext