Use SDL2 to show a simple message box on error

Replacing the various OS-specific ways implemented for macOS, Windows
and Linux (based on xmessage).

1 files changed, 3 insertions, 2 deletions

diff --git a/src/log.h b/src/log.h
index ef1ebb0f..14a80b58 100644
--- a/src/log.h
+++ b/src/log.h
@@ -57,9 +57,10 @@ class Logger
             ;
 
         /**
-         * Log an error and quit. The error will pop-up on Windows and Mac, and
-         * will be printed to standard error everywhere else.
+         * Log an error and quit. The error will be printed to standard error
+         * and showm in a simple message box.
          */
+        __attribute__((noreturn))
         void error(const std::string &error_text);
 
     private: