Informative error message in case of missing locale

compiler-explorer · Mar 1, 2025 · cca9b0d · cca9b0d
1 parent 9c0336c
commit cca9b0d
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/src/main.cpp b/src/main.cpp
@@ -70,8 +70,15 @@ AsmParserConfiguration getConfigurationFromCommandline(const int argc, const cha
 
 int main(int argc, const char **argv)
 {
-    std::locale loc("en_US.UTF-8");
-    std::locale::global(loc);
+    try {
+        std::locale loc("en_US.UTF-8");
+        std::locale::global(loc);
+    } catch (const std::runtime_error& e) {
+        std::cerr << "Failed to set locale: " << e.what() << std::endl;
+        std::cerr << "Please make sure that the locale is installed on your system:" << std::endl;
+        std::cerr << "$ sudo apt-get install locales" << std::endl;
+        std::cerr << "$ locale-gen en_US.UTF-8" << std::endl;
+    }
 
     AsmParser::global_start_timer();