Source: Fix mysterious new IWYU warnings

Source/CPack/cmCPackSTGZGenerator.cxx

@@ -7,6 +7,8 @@
 #include <string>
 #include <vector>
 
+#include <fcntl.h>
+
 #include "cmsys/FStream.hxx"
 
 #include "cm_sys_stat.h"

Source/LexerParser/cmCTestResourceGroupsLexer.cxx

@@ -667,6 +667,10 @@ Modify cmCTestResourceGroupsLexer.cxx:
 
 #include <cstddef>
 
+#ifndef _WIN32
+#  include <termios.h>
+#endif
+
 /*--------------------------------------------------------------------------*/
 
 #define INITIAL 0

Source/LexerParser/cmCTestResourceGroupsLexer.in.l

@@ -26,6 +26,10 @@ Modify cmCTestResourceGroupsLexer.cxx:
 
 #include <cstddef>
 
+#ifndef _WIN32
+#  include <termios.h>
+#endif
+
 /*--------------------------------------------------------------------------*/
 %}
 

Utilities/IWYU/mapping.imp

@@ -75,6 +75,10 @@
   { include: [ "<ostream>", public, "\"cmsys/FStream.hxx\"", public ] },
   { include: [ "<fstream>", public, "\"cmsys/FStream.hxx\"", public ] },
 
+  { symbol: [ "mode_t", private, "\"cm_sys_stat.h\"", public ] },
+  { symbol: [ "S_IWUSR", private, "\"cm_sys_stat.h\"", public ] },
+  { symbol: [ "S_IWGRP", private, "\"cm_sys_stat.h\"", public ] },
+
   { include: [ "<filesystem>", public, "<cm/filesystem>", public ] },
   { include: [ "<optional>", public, "<cm/optional>", public ] },
   { include: [ "<shared_mutex>", public, "<cm/shared_mutex>", public ] },