diff --git a/bitmap2component/bitmap2component.cpp b/bitmap2component/bitmap2component.cpp
index c553d0bb77..cd04248397 100644
--- a/bitmap2component/bitmap2component.cpp
+++ b/bitmap2component/bitmap2component.cpp
@@ -34,6 +34,7 @@
 #include <common.h>
 #include <layers_id_colors_and_visibility.h>
 
+#include <locale_io.h>
 #include <potracelib.h>
 
 #include "bitmap2component.h"
diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index 28a46bcf74..50837cb6f0 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -354,6 +354,7 @@ set( COMMON_SRCS
     lib_table_base.cpp
     lib_tree_model.cpp
     lib_tree_model_adapter.cpp
+    locale_io.cpp
     lockfile.cpp
     lset.cpp
     marker_base.cpp
diff --git a/common/common.cpp b/common/common.cpp
index c6cfab0cc9..44b9c06f79 100644
--- a/common/common.cpp
+++ b/common/common.cpp
@@ -238,87 +238,6 @@ bool IsMetricUnit( EDA_UNITS aUnit )
 }
 
 
-/**
- * Global variables definitions.
- *
- * TODO: All of these variables should be moved into the class were they
- *       are defined and used.  Most of them probably belong in the
- *       application class.
- */
-
-// When reading/writing files, we need to swtich to setlocale( LC_NUMERIC, "C" ).
-// Works fine to read/write files with floating point numbers.
-// We can call setlocale( LC_NUMERIC, "C" ) of wxLocale( "C", "C", "C", false )
-// wxWidgets discourage a direct call to setlocale
-// However, for us, calling wxLocale( "C", "C", "C", false ) has a unwanted effect:
-// The I18N translations are no longer active, because the English dixtionary is selected.
-// To read files, this is not a major issues, but the resul can differ
-// from using setlocale(xx, "C").
-// Previouly, we called setlocale( LC_NUMERIC, "C" )
-// The old code will be removed when calling wxLocale( "C", "C", "C", false )
-// is fully tested, and all issues fixed
-#define USE_WXLOCALE 1      /* 0 to call setlocale, 1 to call wxLocale */
-
-// On Windows, when using setlocale, a wx alert is generated
-// in some cases (reading a bitmap for instance)
-// So we disable alerts during the time a file is read or written
-#if !USE_WXLOCALE
-#if defined( _WIN32 ) && defined( DEBUG )
-// a wxAssertHandler_t function to filter wxWidgets alert messages when reading/writing a file
-// when switching the locale to LC_NUMERIC, "C"
-// It is used in class LOCALE_IO to hide a useless (in kicad) wxWidgets alert message
-void KiAssertFilter( const wxString &file, int line,
-                     const wxString &func, const wxString &cond,
-                     const wxString &msg)
-{
-    if( !msg.Contains( "Decimal separator mismatch" ) )
-        wxTheApp->OnAssertFailure( file.c_str(), line, func.c_str(), cond.c_str(), msg.c_str() );
-}
-#endif
-#endif
-
-std::atomic<unsigned int> LOCALE_IO::m_c_count( 0 );
-LOCALE_IO::LOCALE_IO() : m_wxLocale( nullptr )
-{
-    // use thread safe, atomic operation
-    if( m_c_count++ == 0 )
-    {
-#if USE_WXLOCALE
-        m_wxLocale = new wxLocale( "C", "C", "C", false );
-#else
-        // Store the user locale name, to restore this locale later, in dtor
-        m_user_locale = setlocale( LC_NUMERIC, nullptr );
-#if defined( _WIN32 ) && defined( DEBUG )
-        // Disable wxWidgets alerts
-        wxSetAssertHandler( KiAssertFilter );
-#endif
-        // Switch the locale to C locale, to read/write files with fp numbers
-        setlocale( LC_NUMERIC, "C" );
-#endif
-    }
-}
-
-
-LOCALE_IO::~LOCALE_IO()
-{
-    // use thread safe, atomic operation
-    if( --m_c_count == 0 )
-    {
-        // revert to the user locale
-#if USE_WXLOCALE
-        delete m_wxLocale;      // Deleting m_wxLocale restored previous locale
-        m_wxLocale = nullptr;
-#else
-        setlocale( LC_NUMERIC, m_user_locale.c_str() );
-#if defined( _WIN32 ) && defined( DEBUG )
-        // Enable wxWidgets alerts
-        wxSetDefaultAssertHandler();
-#endif
-#endif
-    }
-}
-
-
 wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow )
 {
     wxCoord width;
diff --git a/common/config_params.cpp b/common/config_params.cpp
index a6d4f8769e..81650033d2 100644
--- a/common/config_params.cpp
+++ b/common/config_params.cpp
@@ -24,8 +24,8 @@
  */
 
 
-#include <common.h>              // for LOCALE_IO
 #include <config_params.h>       // for PARAM_CFG_INT_WITH_SCALE, PARAM_CFG_...
+#include <locale_io.h>
 #include <gal/color4d.h>         // for COLOR4D
 #include <math/util.h>             // for KiROUND
 #include <wx/config.h>           // for wxConfigBase
diff --git a/common/locale_io.cpp b/common/locale_io.cpp
new file mode 100644
index 0000000000..26a59f1978
--- /dev/null
+++ b/common/locale_io.cpp
@@ -0,0 +1,48 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <locale_io.h>
+#include <wx/intl.h>
+
+std::atomic<unsigned int> LOCALE_IO::m_c_count( 0 );
+
+
+LOCALE_IO::LOCALE_IO() : m_wxLocale( nullptr )
+{
+    // use thread safe, atomic operation
+    if( m_c_count++ == 0 )
+    {
+        m_wxLocale = new wxLocale( "C", "C", "C", false );
+    }
+}
+
+
+LOCALE_IO::~LOCALE_IO()
+{
+    // use thread safe, atomic operation
+    if( --m_c_count == 0 )
+    {
+        delete m_wxLocale; // Deleting m_wxLocale restored previous locale
+        m_wxLocale = nullptr;
+    }
+}
\ No newline at end of file
diff --git a/common/page_layout/page_layout_reader.cpp b/common/page_layout/page_layout_reader.cpp
index c5aca1c911..e889d1e9f6 100644
--- a/common/page_layout/page_layout_reader.cpp
+++ b/common/page_layout/page_layout_reader.cpp
@@ -30,6 +30,7 @@
  */
 
 #include <eda_item.h>
+#include <locale_io.h>
 #include <page_layout/ws_data_item.h>
 #include <page_layout/ws_data_model.h>
 #include <page_layout/ws_draw_item.h>
diff --git a/common/page_layout/ws_data_model_io.cpp b/common/page_layout/ws_data_model_io.cpp
index e74ca2bd95..4019e65ef1 100644
--- a/common/page_layout/ws_data_model_io.cpp
+++ b/common/page_layout/ws_data_model_io.cpp
@@ -31,6 +31,7 @@
  */
 
 #include <eda_item.h>
+#include <locale_io.h>
 #include <page_layout/ws_painter.h>
 #include <page_layout/ws_draw_item.h>
 #include <page_layout/ws_data_item.h>
diff --git a/common/settings/json_settings.cpp b/common/settings/json_settings.cpp
index 7368ad1b43..a3a6ba7a77 100644
--- a/common/settings/json_settings.cpp
+++ b/common/settings/json_settings.cpp
@@ -24,13 +24,14 @@
 #include <utility>
 #include <sstream>
 
-#include <common.h>
+#include <locale_io.h>
 #include <gal/color4d.h>
 #include <settings/json_settings.h>
 #include <settings/nested_settings.h>
 #include <settings/parameters.h>
 #include <wx/config.h>
 #include <wx/debug.h>
+#include <wx/fileconf.h>
 #include <wx/filename.h>
 
 const wxChar* const traceSettings = wxT( "KICAD_SETTINGS" );
diff --git a/eeschema/libedit/libedit_plot_component.cpp b/eeschema/libedit/libedit_plot_component.cpp
index 42639a9932..c8db3cb61d 100644
--- a/eeschema/libedit/libedit_plot_component.cpp
+++ b/eeschema/libedit/libedit_plot_component.cpp
@@ -24,6 +24,7 @@
 
 #include <sch_painter.h>
 #include <lib_edit_frame.h>
+#include <locale_io.h>
 #include <class_libentry.h>
 #include <class_library.h>
 #include <plotters_specific.h>
diff --git a/eeschema/plotters/plot_schematic_DXF.cpp b/eeschema/plotters/plot_schematic_DXF.cpp
index e9e95d4cea..e8c2d0b6b2 100644
--- a/eeschema/plotters/plot_schematic_DXF.cpp
+++ b/eeschema/plotters/plot_schematic_DXF.cpp
@@ -25,6 +25,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  */
 
+#include <locale_io.h>
 #include <plotters_specific.h>
 #include <sch_edit_frame.h>
 #include <sch_sheet_path.h>
diff --git a/eeschema/plotters/plot_schematic_HPGL.cpp b/eeschema/plotters/plot_schematic_HPGL.cpp
index deba525b2d..e3e3fbfc75 100644
--- a/eeschema/plotters/plot_schematic_HPGL.cpp
+++ b/eeschema/plotters/plot_schematic_HPGL.cpp
@@ -28,6 +28,7 @@
 #include <plotters_specific.h>
 #include <sch_edit_frame.h>
 #include <base_units.h>
+#include <locale_io.h>
 #include <sch_sheet_path.h>
 #include <schematic.h>
 #include <project.h>
diff --git a/eeschema/plotters/plot_schematic_PDF.cpp b/eeschema/plotters/plot_schematic_PDF.cpp
index 1909c23595..3b932886e8 100644
--- a/eeschema/plotters/plot_schematic_PDF.cpp
+++ b/eeschema/plotters/plot_schematic_PDF.cpp
@@ -28,6 +28,7 @@
 #include <plotters_specific.h>
 #include <sch_edit_frame.h>
 #include <base_units.h>
+#include <locale_io.h>
 #include <sch_sheet_path.h>
 #include <sch_painter.h>
 #include <schematic.h>
diff --git a/eeschema/plotters/plot_schematic_PS.cpp b/eeschema/plotters/plot_schematic_PS.cpp
index 72d496eb56..f4c2add459 100644
--- a/eeschema/plotters/plot_schematic_PS.cpp
+++ b/eeschema/plotters/plot_schematic_PS.cpp
@@ -28,6 +28,7 @@
 #include <sch_edit_frame.h>
 #include <base_units.h>
 #include <sch_sheet_path.h>
+#include <locale_io.h>
 #include <pgm_base.h>
 #include <project.h>
 #include <reporter.h>
diff --git a/eeschema/plotters/plot_schematic_SVG.cpp b/eeschema/plotters/plot_schematic_SVG.cpp
index 4b8d302e88..a4e48688a7 100644
--- a/eeschema/plotters/plot_schematic_SVG.cpp
+++ b/eeschema/plotters/plot_schematic_SVG.cpp
@@ -31,6 +31,7 @@
 #include <sch_draw_panel.h>
 #include <sch_edit_frame.h>
 #include <base_units.h>
+#include <locale_io.h>
 #include <lib_edit_frame.h>
 #include <sch_sheet_path.h>
 #include <schematic.h>
diff --git a/eeschema/sch_plugins/eagle/sch_eagle_plugin.cpp b/eeschema/sch_plugins/eagle/sch_eagle_plugin.cpp
index c2b527e700..541d7f8522 100644
--- a/eeschema/sch_plugins/eagle/sch_eagle_plugin.cpp
+++ b/eeschema/sch_plugins/eagle/sch_eagle_plugin.cpp
@@ -25,6 +25,7 @@
 #include <sch_plugins/eagle/sch_eagle_plugin.h>
 
 #include <kiway.h>
+#include <locale_io.h>
 #include <properties.h>
 
 #include <algorithm>
diff --git a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
index 8e019cad6a..077b385d5b 100644
--- a/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
+++ b/eeschema/sch_plugins/kicad/sch_sexpr_plugin.cpp
@@ -29,6 +29,7 @@
 #include <advanced_config.h>
 #include <pgm_base.h>
 #include <trace_helpers.h>
+#include <locale_io.h>
 #include <sch_bitmap.h>
 #include <sch_bus_entry.h>
 #include <sch_component.h>
diff --git a/eeschema/sch_plugins/legacy/sch_legacy_plugin.cpp b/eeschema/sch_plugins/legacy/sch_legacy_plugin.cpp
index 596841e701..e654af96dc 100644
--- a/eeschema/sch_plugins/legacy/sch_legacy_plugin.cpp
+++ b/eeschema/sch_plugins/legacy/sch_legacy_plugin.cpp
@@ -33,6 +33,7 @@
 #include <gr_text.h>
 #include <kiway.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <richio.h>
 #include <core/typeinfo.h>
 #include <properties.h>
diff --git a/eeschema/sim/ngspice.cpp b/eeschema/sim/ngspice.cpp
index 269c8e4278..db0a3a4b11 100644
--- a/eeschema/sim/ngspice.cpp
+++ b/eeschema/sim/ngspice.cpp
@@ -32,6 +32,7 @@
 #include "spice_reporter.h"
 
 #include <common.h>
+#include <locale_io.h>
 
 #include <wx/stdpaths.h>
 #include <wx/dir.h>
diff --git a/eeschema/sim/spice_value.cpp b/eeschema/sim/spice_value.cpp
index 0355bea984..5cf604c0e6 100644
--- a/eeschema/sim/spice_value.cpp
+++ b/eeschema/sim/spice_value.cpp
@@ -32,6 +32,7 @@
 #include <confirm.h>
 #include <common.h>
 #include <ki_exception.h>
+#include <locale_io.h>
 
 SPICE_VALUE::SPICE_VALUE( const wxString& aString )
 {
diff --git a/gerbview/excellon_read_drill_file.cpp b/gerbview/excellon_read_drill_file.cpp
index a5765f3b47..98cfdea7b5 100644
--- a/gerbview/excellon_read_drill_file.cpp
+++ b/gerbview/excellon_read_drill_file.cpp
@@ -70,6 +70,7 @@
 #include <gerber_file_image_list.h>
 #include <excellon_image.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <X2_gerber_attributes.h>
 #include <view/view.h>
 
diff --git a/gerbview/export_to_pcbnew.cpp b/gerbview/export_to_pcbnew.cpp
index 25a047c4ba..969801302a 100644
--- a/gerbview/export_to_pcbnew.cpp
+++ b/gerbview/export_to_pcbnew.cpp
@@ -27,6 +27,7 @@
 #include <export_to_pcbnew.h>
 
 #include <confirm.h>
+#include <locale_io.h>
 #include <macros.h>
 #include <trigo.h>
 #include <gerbview_frame.h>
diff --git a/gerbview/job_file_reader.cpp b/gerbview/job_file_reader.cpp
index 3c773d7d4b..f60093ab5d 100644
--- a/gerbview/job_file_reader.cpp
+++ b/gerbview/job_file_reader.cpp
@@ -32,6 +32,7 @@
 #include <wildcards_and_files_ext.h>
 #include <gerbview.h>
 #include <richio.h>
+#include <locale_io.h>
 #include <gerber_file_image.h>
 #include <gerber_file_image_list.h>
 #include <gerbview_frame.h>
diff --git a/gerbview/readgerb.cpp b/gerbview/readgerb.cpp
index a4eaeacd01..b41907bd04 100644
--- a/gerbview/readgerb.cpp
+++ b/gerbview/readgerb.cpp
@@ -23,6 +23,7 @@
  */
 
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <gerbview.h>
 #include <gerbview_frame.h>
 #include <gerber_file_image.h>
diff --git a/include/common.h b/include/common.h
index f15c34066b..935efadced 100644
--- a/include/common.h
+++ b/include/common.h
@@ -212,31 +212,6 @@ enum class EDA_UNITS
 bool IsImperialUnit( EDA_UNITS aUnit );
 bool IsMetricUnit( EDA_UNITS aUnit );
 
-
-/**
- * Instantiate the current locale within a scope in which you are expecting
- * exceptions to be thrown.
- *
- * The constructor sets a "C" language locale option, to read/print files with floating
- * point  numbers.  The destructor insures that the default locale is restored if an
- * exception is thrown or not.
- */
-class LOCALE_IO
-{
-public:
-    LOCALE_IO();
-    ~LOCALE_IO();
-
-private:
-    // allow for nesting of LOCALE_IO instantiations
-    static std::atomic<unsigned int> m_c_count;
-
-    // The locale in use before switching to the "C" locale
-    // (the locale can be set by user, and is not always the system locale)
-    std::string m_user_locale;
-    wxLocale*   m_wxLocale;
-};
-
 /**
  * Return the size of @a aSingleLine of text when it is rendered in @a aWindow
  * using whatever font is currently set in that window.
diff --git a/include/locale_io.h b/include/locale_io.h
new file mode 100644
index 0000000000..12845e0da5
--- /dev/null
+++ b/include/locale_io.h
@@ -0,0 +1,56 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#ifndef LOCALE_IO_H
+#define LOCALE_IO_H
+
+#include <atomic>
+#include <string>
+
+class wxLocale;
+
+/**
+ * Instantiate the current locale within a scope in which you are expecting
+ * exceptions to be thrown.
+ *
+ * The constructor sets a "C" language locale option, to read/print files with floating
+ * point  numbers.  The destructor insures that the default locale is restored if an
+ * exception is thrown or not.
+ */
+class LOCALE_IO
+{
+public:
+    LOCALE_IO();
+    ~LOCALE_IO();
+
+private:
+    // allow for nesting of LOCALE_IO instantiations
+    static std::atomic<unsigned int> m_c_count;
+
+    // The locale in use before switching to the "C" locale
+    // (the locale can be set by user, and is not always the system locale)
+    std::string m_user_locale;
+    wxLocale*   m_wxLocale;
+};
+
+#endif
\ No newline at end of file
diff --git a/pcb_calculator/datafile_read_write.cpp b/pcb_calculator/datafile_read_write.cpp
index 90228c338a..077c164085 100644
--- a/pcb_calculator/datafile_read_write.cpp
+++ b/pcb_calculator/datafile_read_write.cpp
@@ -27,6 +27,7 @@
 #include <common.h>
 #include <datafile_read_write.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <macros.h>
 #include <pcb_calculator_datafile_lexer.h>
 #include <pcb_calculator_frame.h>
diff --git a/pcbnew/board_stackup_manager/board_stackup_reporter.cpp b/pcbnew/board_stackup_manager/board_stackup_reporter.cpp
index 6f34fe0653..cba4351ed3 100644
--- a/pcbnew/board_stackup_manager/board_stackup_reporter.cpp
+++ b/pcbnew/board_stackup_manager/board_stackup_reporter.cpp
@@ -29,6 +29,7 @@
 #include "wx/string.h"
 
 #include <base_units.h>
+#include <locale_io.h>
 
 #include "class_board_stackup.h"
 #include "stackup_predefined_prms.h"
diff --git a/pcbnew/dialogs/dialog_export_step.cpp b/pcbnew/dialogs/dialog_export_step.cpp
index d1ff58de3e..91ace21248 100644
--- a/pcbnew/dialogs/dialog_export_step.cpp
+++ b/pcbnew/dialogs/dialog_export_step.cpp
@@ -32,6 +32,7 @@
 #include "reporter.h"
 #include "class_board.h"
 #include "dialog_export_step_base.h"
+#include <locale_io.h>
 #include <pcbnew_settings.h>
 #include <project/project_file.h> // LAST_PATH_TYPE
 #include <widgets/text_ctrl_eval.h>
diff --git a/pcbnew/dialogs/dialog_export_svg.cpp b/pcbnew/dialogs/dialog_export_svg.cpp
index 44e302893f..bd61782af1 100644
--- a/pcbnew/dialogs/dialog_export_svg.cpp
+++ b/pcbnew/dialogs/dialog_export_svg.cpp
@@ -29,6 +29,7 @@
 #include <reporter.h>
 #include <confirm.h>
 #include <pcbplot.h>
+#include <locale_io.h>
 #include <class_board.h>
 #include <dialog_export_svg_base.h>
 #include <wx_html_report_panel.h>
diff --git a/pcbnew/dialogs/dialog_plot.cpp b/pcbnew/dialogs/dialog_plot.cpp
index ed4d3dc1bd..66275a147a 100644
--- a/pcbnew/dialogs/dialog_plot.cpp
+++ b/pcbnew/dialogs/dialog_plot.cpp
@@ -32,6 +32,7 @@
 #include <reporter.h>
 #include <wildcards_and_files_ext.h>
 #include <layers_id_colors_and_visibility.h>
+#include <locale_io.h>
 #include <bitmaps.h>
 #include <class_board.h>
 #include <dialog_plot.h>
diff --git a/pcbnew/exporters/export_d356.cpp b/pcbnew/exporters/export_d356.cpp
index 515ab8b8a8..04e590f4e3 100644
--- a/pcbnew/exporters/export_d356.cpp
+++ b/pcbnew/exporters/export_d356.cpp
@@ -35,6 +35,7 @@
 #include <build_version.h>
 #include <macros.h>
 #include <wildcards_and_files_ext.h>
+#include <locale_io.h>
 #include <pcbnew.h>
 #include <class_board.h>
 #include <class_module.h>
diff --git a/pcbnew/exporters/export_footprints_placefile.cpp b/pcbnew/exporters/export_footprints_placefile.cpp
index 2ab3b1fb0b..9f72a064c4 100644
--- a/pcbnew/exporters/export_footprints_placefile.cpp
+++ b/pcbnew/exporters/export_footprints_placefile.cpp
@@ -27,6 +27,7 @@
  */
 
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <build_version.h>
 #include <export_footprints_placefile.h>
 
diff --git a/pcbnew/exporters/export_gencad.cpp b/pcbnew/exporters/export_gencad.cpp
index 781b8431b2..b694f54aec 100644
--- a/pcbnew/exporters/export_gencad.cpp
+++ b/pcbnew/exporters/export_gencad.cpp
@@ -36,6 +36,7 @@
 #include <class_track.h>
 #include <confirm.h>
 #include <dialogs/dialog_gencad_export_options.h>
+#include <locale_io.h>
 #include <hash_eda.h>
 #include <pcb_edit_frame.h>
 #include <pcbnew_settings.h>
diff --git a/pcbnew/exporters/export_hyperlynx.cpp b/pcbnew/exporters/export_hyperlynx.cpp
index b5b72c5081..853ea12ab6 100644
--- a/pcbnew/exporters/export_hyperlynx.cpp
+++ b/pcbnew/exporters/export_hyperlynx.cpp
@@ -31,6 +31,7 @@
 #include <cstdio>
 #include <vector>
 #include <ki_exception.h>
+#include <locale_io.h>
 #include <reporter.h>
 
 #include <exporters/board_exporter_base.h>
diff --git a/pcbnew/exporters/export_idf.cpp b/pcbnew/exporters/export_idf.cpp
index 1b2a2fe132..39e769dd8b 100644
--- a/pcbnew/exporters/export_idf.cpp
+++ b/pcbnew/exporters/export_idf.cpp
@@ -27,6 +27,7 @@
 
 
 #include <list>
+#include <locale_io.h>
 #include <pcb_edit_frame.h>
 #include <pcbnew.h>
 #include <class_board.h>
diff --git a/pcbnew/exporters/gen_drill_report_files.cpp b/pcbnew/exporters/gen_drill_report_files.cpp
index 8dac54aad2..6822c7a8b6 100644
--- a/pcbnew/exporters/gen_drill_report_files.cpp
+++ b/pcbnew/exporters/gen_drill_report_files.cpp
@@ -32,6 +32,7 @@
 #include <gr_text.h>
 #include <confirm.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <math/util.h>      // for KiROUND
 
 #include <class_board.h>
diff --git a/pcbnew/exporters/gendrill_Excellon_writer.cpp b/pcbnew/exporters/gendrill_Excellon_writer.cpp
index fb8b9973e5..e07e2ed9eb 100644
--- a/pcbnew/exporters/gendrill_Excellon_writer.cpp
+++ b/pcbnew/exporters/gendrill_Excellon_writer.cpp
@@ -37,6 +37,7 @@
 
 #include <plotter.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <pcb_edit_frame.h>
 #include <pgm_base.h>
 #include <build_version.h>
diff --git a/pcbnew/exporters/gendrill_gerber_writer.cpp b/pcbnew/exporters/gendrill_gerber_writer.cpp
index 32c9040d21..bebb0ffc04 100644
--- a/pcbnew/exporters/gendrill_gerber_writer.cpp
+++ b/pcbnew/exporters/gendrill_gerber_writer.cpp
@@ -31,6 +31,7 @@
 
 #include <plotter.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <pcb_edit_frame.h>
 #include <pgm_base.h>
 #include <build_version.h>
diff --git a/pcbnew/exporters/gerber_jobfile_writer.cpp b/pcbnew/exporters/gerber_jobfile_writer.cpp
index baa6ca76fe..8677eb9cbe 100644
--- a/pcbnew/exporters/gerber_jobfile_writer.cpp
+++ b/pcbnew/exporters/gerber_jobfile_writer.cpp
@@ -32,6 +32,7 @@
 #include <vector>
 
 #include <build_version.h>
+#include <locale_io.h>
 #include <pcb_edit_frame.h>
 #include <plotter.h>
 
diff --git a/pcbnew/exporters/gerber_placefile_writer.cpp b/pcbnew/exporters/gerber_placefile_writer.cpp
index 18debdc84b..93b1831ffc 100644
--- a/pcbnew/exporters/gerber_placefile_writer.cpp
+++ b/pcbnew/exporters/gerber_placefile_writer.cpp
@@ -29,6 +29,7 @@
 
 #include <plotter.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <pcb_edit_frame.h>
 #include <pgm_base.h>
 
diff --git a/pcbnew/footprint_info_impl.cpp b/pcbnew/footprint_info_impl.cpp
index 2a090ec346..3864d9a3dd 100644
--- a/pcbnew/footprint_info_impl.cpp
+++ b/pcbnew/footprint_info_impl.cpp
@@ -28,6 +28,7 @@
 #include <html_messagebox.h>
 #include <io_mgr.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <kiface_ids.h>
 #include <kiway.h>
 #include <lib_id.h>
diff --git a/pcbnew/import_gfx/dialog_import_gfx.cpp b/pcbnew/import_gfx/dialog_import_gfx.cpp
index 79eeaf0ba8..68a77c8e92 100644
--- a/pcbnew/import_gfx/dialog_import_gfx.cpp
+++ b/pcbnew/import_gfx/dialog_import_gfx.cpp
@@ -26,6 +26,7 @@
 
 #include "dialog_import_gfx.h"
 #include <kiface_i.h>
+#include <locale_io.h>
 #include <pcb_layer_box_selector.h>
 #include <wildcards_and_files_ext.h>
 #include <class_board.h>
diff --git a/pcbnew/kicad_clipboard.cpp b/pcbnew/kicad_clipboard.cpp
index 73981c006a..d748f8f66a 100644
--- a/pcbnew/kicad_clipboard.cpp
+++ b/pcbnew/kicad_clipboard.cpp
@@ -30,7 +30,7 @@
 #include <pcb_shape.h>
 #include <pcb_text.h>
 #include <fp_text.h>
-#include <common.h>
+#include <locale_io.h>
 #include <netinfo.h>
 #include <plugins/kicad/pcb_parser.h>
 
diff --git a/pcbnew/microwave/microwave_polygon.cpp b/pcbnew/microwave/microwave_polygon.cpp
index 9599abc1e6..987222f2d5 100644
--- a/pcbnew/microwave/microwave_polygon.cpp
+++ b/pcbnew/microwave/microwave_polygon.cpp
@@ -30,6 +30,7 @@
 #include <gestfich.h>
 #include <pcb_edit_frame.h>
 #include <dialog_helpers.h>
+#include <locale_io.h>
 #include <richio.h>
 #include <filter_reader.h>
 #include <base_units.h>
diff --git a/pcbnew/pcbplot.cpp b/pcbnew/pcbplot.cpp
index 07405f5936..95bb55e54c 100644
--- a/pcbnew/pcbplot.cpp
+++ b/pcbnew/pcbplot.cpp
@@ -30,6 +30,7 @@
 #include <plotter.h>
 #include <pcbplot.h>
 #include <base_units.h>
+#include <locale_io.h>
 #include <reporter.h>
 #include <class_board.h>
 #include <plotcontroller.h>
diff --git a/pcbnew/plugins/eagle/eagle_plugin.cpp b/pcbnew/plugins/eagle/eagle_plugin.cpp
index 844945891a..9a6aab5ad8 100644
--- a/pcbnew/plugins/eagle/eagle_plugin.cpp
+++ b/pcbnew/plugins/eagle/eagle_plugin.cpp
@@ -59,6 +59,7 @@ Load() TODO's
 #include <convert_basic_shapes_to_polygon.h>
 #include <geometry/geometry_utils.h>
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <properties.h>
 #include <trigo.h>
 #include <math/util.h>      // for KiROUND
diff --git a/pcbnew/plugins/geda/gpcb_plugin.cpp b/pcbnew/plugins/geda/gpcb_plugin.cpp
index 2e5d34ba11..efde4b6c78 100644
--- a/pcbnew/plugins/geda/gpcb_plugin.cpp
+++ b/pcbnew/plugins/geda/gpcb_plugin.cpp
@@ -34,6 +34,7 @@
 
 #include <class_board.h>
 #include <class_module.h>
+#include <locale_io.h>
 #include <pcb_text.h>
 #include <pcb_shape.h>
 #include <fp_shape.h>
diff --git a/pcbnew/plugins/kicad/kicad_plugin.cpp b/pcbnew/plugins/kicad/kicad_plugin.cpp
index 5685351c15..b017b16318 100644
--- a/pcbnew/plugins/kicad/kicad_plugin.cpp
+++ b/pcbnew/plugins/kicad/kicad_plugin.cpp
@@ -37,6 +37,7 @@
 #include <class_pcb_target.h>
 #include <fp_shape.h>
 #include <confirm.h>
+#include <locale_io.h>
 #include <zones.h>
 #include <plugins/kicad/kicad_plugin.h>
 #include <plugins/kicad/pcb_parser.h>
diff --git a/pcbnew/plugins/kicad/pcb_parser.cpp b/pcbnew/plugins/kicad/pcb_parser.cpp
index 65e6300a0d..50a6f5a123 100644
--- a/pcbnew/plugins/kicad/pcb_parser.cpp
+++ b/pcbnew/plugins/kicad/pcb_parser.cpp
@@ -49,6 +49,7 @@
 #include <plugins/kicad/kicad_plugin.h>
 #include <pcb_plot_params_parser.h>
 #include <pcb_plot_params.h>
+#include <locale_io.h>
 #include <zones.h>
 #include <plugins/kicad/pcb_parser.h>
 #include <convert_basic_shapes_to_polygon.h>    // for RECT_CHAMFER_POSITIONS definition
diff --git a/pcbnew/plugins/legacy/legacy_plugin.cpp b/pcbnew/plugins/legacy/legacy_plugin.cpp
index 65087369f4..24c82405b4 100644
--- a/pcbnew/plugins/legacy/legacy_plugin.cpp
+++ b/pcbnew/plugins/legacy/legacy_plugin.cpp
@@ -67,6 +67,7 @@
 #include <wx/string.h>
 
 #include <kicad_string.h>
+#include <locale_io.h>
 #include <macros.h>
 #include <properties.h>
 #include <zones.h>
diff --git a/pcbnew/plugins/pcad/pcad_plugin.cpp b/pcbnew/plugins/pcad/pcad_plugin.cpp
index 3d8a6fb886..92231d3040 100644
--- a/pcbnew/plugins/pcad/pcad_plugin.cpp
+++ b/pcbnew/plugins/pcad/pcad_plugin.cpp
@@ -33,6 +33,7 @@
 #include <wx/filename.h>
 #include <wx/xml/xml.h>
 
+#include <locale_io.h>
 #include <pcad_plugin.h>
 #include <s_expr_loader.h>
 #include <pcb.h>
diff --git a/pcbnew/specctra_import_export/specctra_export.cpp b/pcbnew/specctra_import_export/specctra_export.cpp
index 66745ceda9..d4839bb811 100644
--- a/pcbnew/specctra_import_export/specctra_export.cpp
+++ b/pcbnew/specctra_import_export/specctra_export.cpp
@@ -35,6 +35,7 @@
 #include <confirm.h>            // DisplayError()
 #include <gestfich.h>           // EDA_FileSelector()
 #include <trigo.h>              // RotatePoint()
+#include <locale_io.h>
 #include <macros.h>
 #include <math/util.h>          // for KiROUND
 
diff --git a/pcbnew/specctra_import_export/specctra_import.cpp b/pcbnew/specctra_import_export/specctra_import.cpp
index 17bdc376d4..74f9dfa3ea 100644
--- a/pcbnew/specctra_import_export/specctra_import.cpp
+++ b/pcbnew/specctra_import_export/specctra_import.cpp
@@ -35,6 +35,7 @@
 #include <confirm.h>            // DisplayError()
 #include <gestfich.h>           // EDA_FileSelector()
 #include <pcb_edit_frame.h>
+#include <locale_io.h>
 #include <macros.h>
 #include <class_board.h>
 #include <class_module.h>