From 926818097b0d9114bf9458ebc50488d2cab2f1de Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Tue, 12 Jul 2022 18:00:50 +0200
Subject: [PATCH] Fix compatibility issues with wxWidgets 3.2 and gcc 12.1:
 hastable.h: remove deprecated binary/unary base class not actually needed.
 Fix  compil warnings. From master branch.

---
 include/hashtables.h                  | 9 ++-------
 pcbnew/plugins/pcad/s_expr_loader.cpp | 1 +
 pcbnew/tools/pcb_selection_tool.cpp   | 2 +-
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/include/hashtables.h b/include/hashtables.h
index 2f52cddfa8..e7eb4db43c 100644
--- a/include/hashtables.h
+++ b/include/hashtables.h
@@ -27,13 +27,12 @@
 
 #include <unordered_map>
 
-#include <eda_rect.h>
 #include <wx/string.h>
 
 // First some utility classes and functions
 
 /// Equality test for "const char*" type used in very specialized KEYWORD_MAP below
-struct iequal_to : std::binary_function< const char*, const char*, bool >
+struct iequal_to
 {
     bool operator()( const char* x, const char* y ) const
     {
@@ -77,7 +76,7 @@ struct fnv_1a
 
 
 /// Hash function for wxString, counterpart of std::string hash
-struct WXSTRING_HASH : std::unary_function<wxString, std::size_t>
+struct WXSTRING_HASH
 {
     std::size_t operator()( const wxString& aString ) const
     {
@@ -128,9 +127,5 @@ struct WXSTRING_HASH : std::unary_function<wxString, std::size_t>
  */
 typedef std::unordered_map< const char*, int, fnv_1a, iequal_to > KEYWORD_MAP;
 
-/// Map a C string to an EDA_RECT.
-/// The key is the classname of the derived wxformbuilder dialog.
-typedef std::unordered_map< std::string, EDA_RECT > RECT_MAP;
-
 
 #endif // HASHTABLES_H_
diff --git a/pcbnew/plugins/pcad/s_expr_loader.cpp b/pcbnew/plugins/pcad/s_expr_loader.cpp
index 53a8ff041a..30b113b319 100644
--- a/pcbnew/plugins/pcad/s_expr_loader.cpp
+++ b/pcbnew/plugins/pcad/s_expr_loader.cpp
@@ -30,6 +30,7 @@
 
 #include <wx/string.h>
 #include <wx/xml/xml.h>
+#include <wx/wxcrt.h>          // for wxFopen
 
 namespace PCAD2KICAD {
 
diff --git a/pcbnew/tools/pcb_selection_tool.cpp b/pcbnew/tools/pcb_selection_tool.cpp
index 671dde8a06..23ba659a38 100644
--- a/pcbnew/tools/pcb_selection_tool.cpp
+++ b/pcbnew/tools/pcb_selection_tool.cpp
@@ -2546,7 +2546,7 @@ void PCB_SELECTION_TOOL::GuessSelectionCandidates( GENERAL_COLLECTOR& aCollector
     for( int i = 0; i < aCollector.GetCount(); ++i )
     {
         BOARD_ITEM* item = aCollector[i];
-        double      area;
+        double      area = 0.0;
 
         if( ( item->Type() == PCB_ZONE_T || item->Type() == PCB_FP_ZONE_T )
                 && static_cast<ZONE*>( item )->HitTestForEdge( where, MAX_SLOP * pixel / 2 ) )