Add FreeType version to version info.

Fixes https://gitlab.com/kicad/code/kicad/issues/10393

common/build_version.cpp

@@ -27,6 +27,7 @@
 #include <config.h>
 #include <boost/version.hpp>
 #include <kiplatform/app.h>
+#include <font/outline_font.h>
 
 // kicad_curl.h must be included before wx headers, to avoid
 // conflicts for some defines, at least on Windows
@@ -134,6 +135,8 @@ wxString GetVersionInfoData( const wxString& aTitle, bool aHtml, bool aBrief )
 
     aMsg << indent4 << wxGetLibraryVersionInfo().GetVersionString() << eol;
 
+    aMsg << indent4 << "FreeType " << KIFONT::OUTLINE_FONT::FreeTypeVersion() << eol;
+
     if( !aBrief )
         aMsg << indent4 << GetKicadCurlVersion() << eol;
 

common/font/outline_font.cpp

@@ -51,6 +51,18 @@ OUTLINE_FONT::OUTLINE_FONT() :
 }
 
 
+wxString OUTLINE_FONT::FreeTypeVersion()
+{
+    if( !m_freeType )
+        FT_Init_FreeType( &m_freeType );
+
+    FT_Int major, minor, patch;
+    FT_Library_Version( m_freeType, &major, &minor, &patch );
+
+    return wxString::Format( "%d.%d.%d", major, minor, patch );
+ }
+
+
 OUTLINE_FONT* OUTLINE_FONT::LoadFont( const wxString& aFontName, bool aBold, bool aItalic )
 {
     OUTLINE_FONT* font = new OUTLINE_FONT();

include/font/outline_font.h

@@ -52,6 +52,8 @@ class OUTLINE_FONT : public FONT
 public:
     OUTLINE_FONT();
 
+    static wxString FreeTypeVersion();
+
     bool IsOutline() const override { return true; }
 
     bool IsBold() const override