Avoid crashing due to empty lib tables in cli

Fixes https://gitlab.com/kicad/code/kicad/-/issues/13097

common/confirm.cpp

@@ -26,6 +26,7 @@
 #include <wx/stockitem.h>
 #include <wx/richmsgdlg.h>
 #include <wx/choicdlg.h>
+#include <wx/crt.h>
 #include <confirm.h>
 #include <dialogs/html_message_box.h>
 #include <functional>
@@ -285,6 +286,12 @@ void DisplayError( wxWindow* aParent, const wxString& aText, int aDisplayTime )
         return;
     }
 
+    if( !wxTheApp->IsGUI() )
+    {
+        wxFprintf( stderr, aText );
+        return;
+    }
+
     wxMessageDialog* dlg;
     int              icon = aDisplayTime > 0 ? wxICON_INFORMATION : wxICON_ERROR;
 
@@ -304,6 +311,12 @@ void DisplayErrorMessage( wxWindow* aParent, const wxString& aText, const wxStri
         return;
     }
 
+    if( !wxTheApp->IsGUI() )
+    {
+        wxFprintf( stderr, aText );
+        return;
+    }
+
     wxMessageDialog* dlg;
 
     dlg = new wxMessageDialog( aParent, aText, _( "Error" ),
@@ -325,6 +338,12 @@ void DisplayInfoMessage( wxWindow* aParent, const wxString& aMessage, const wxSt
         return;
     }
 
+    if( !wxTheApp->IsGUI() )
+    {
+        wxFprintf( stdout, "%s %s", aMessage, aExtraInfo );
+        return;
+    }
+
     wxMessageDialog* dlg;
     int              icon = wxICON_INFORMATION;
 

eeschema/eeschema.cpp

@@ -61,6 +61,8 @@
 #include <panel_sym_display_options.h>
 #include <sim/sim_plot_frame.h>
 
+#include <wx/crt.h>
+
 // The main sheet of the project
 SCH_SHEET*  g_RootSheet = nullptr;
 
@@ -340,11 +342,14 @@ bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
     wxFileName fn = SYMBOL_LIB_TABLE::GetGlobalTableFileName();
 
     if( !fn.FileExists() )
+    {
+        if( !( aCtlBits & KFCTL_CLI ) )
         {
             DIALOG_GLOBAL_SYM_LIB_TABLE_CONFIG fpDialog( nullptr );
 
             fpDialog.ShowModal();
         }
+    }
     else
     {
         try
@@ -360,10 +365,9 @@ bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
             // if we are here, a incorrect global symbol library table was found.
             // Incorrect global symbol library table is not a fatal error:
             // the user just has to edit the (partially) loaded table.
-            wxString msg = _(
-                "An error occurred attempting to load the global symbol library table.\n"
-                "Please edit this global symbol library table in Preferences menu."
-                );
+            wxString msg =
+                    _( "An error occurred attempting to load the global symbol library table.\n"
+                       "Please edit this global symbol library table in Preferences menu." );
 
             DisplayErrorMessage( nullptr, msg, ioe.What() );
         }

include/kiway.h

@@ -157,6 +157,7 @@ struct KIFACE
 
 #define KFCTL_STANDALONE ( 1 << 0 )        ///< Running as a standalone Top.
 #define KFCTL_CPP_PROJECT_SUITE ( 1 << 1 ) ///< Running under C++ project mgr, possibly with others.
+#define KFCTL_CLI ( 1 << 2 )               ///< Running as CLI app
 
 
     /**

kicad/kicad_cli.cpp

@@ -357,7 +357,7 @@ void PGM_KICAD::Destroy()
 }
 
 
-KIWAY Kiway( &Pgm(), KFCTL_CPP_PROJECT_SUITE );
+KIWAY Kiway( &Pgm(), KFCTL_CPP_PROJECT_SUITE | KFCTL_CLI );
 
 
 /**

pcbnew/pcbnew.cpp

@@ -62,6 +62,7 @@
 #include <wildcards_and_files_ext.h>
 #include "pcbnew_jobs_handler.h"
 
+#include <wx/crt.h>
 
 /* init functions defined by swig */
 
@@ -349,11 +350,14 @@ bool IFACE::OnKifaceStart( PGM_BASE* aProgram, int aCtlBits )
     wxFileName fn = FP_LIB_TABLE::GetGlobalTableFileName();
 
     if( !fn.FileExists() )
+    {
+        if( !( aCtlBits & KFCTL_CLI ) )
         {
             DIALOG_GLOBAL_FP_LIB_TABLE_CONFIG fpDialog( nullptr );
 
             fpDialog.ShowModal();
         }
+    }
     else
     {
         try