0030706: Visualization - fetch font folder list from fontconfig library on Linux

vfont command now prints fonts in alphabetical order.

adm/cmake/occt_csf.cmake

@@ -73,7 +73,7 @@ if (WIN32)
     set (CSF_OpenGlLibs  "opengl32.lib")
   endif()
 
-  else()
+else()
 
   if (APPLE)
     set (CSF_objc        "objc")
@@ -117,5 +117,6 @@ if (WIN32)
     endif()
     set (CSF_XwLibs      "X11 Xext Xmu Xi")
     set (CSF_dl          "dl")
+    set (CSF_fontconfig  "fontconfig")
   endif()
 endif()

adm/genproj.tcl

@@ -1393,6 +1393,7 @@ proc osutils:csfList { theOS theCsfLibsMap theCsfFrmsMap } {
       set aLibsMap(CSF_TclTkLibs)  ""
       set aLibsMap(CSF_QT)         "QtCore QtGui"
     } else {
+      set aLibsMap(CSF_fontconfig) "fontconfig"
       if { "$theOS" == "qnx" } {
         # CSF_ThreadLibs - pthread API is part of libc on QNX
         set aLibsMap(CSF_OpenGlLibs) "EGL GLESv2"

adm/qmake/OccToolkit.pri

@@ -63,6 +63,7 @@ win32 {
   CSF_TclTkLibs  = -lX11 -ltk8.6
   CSF_XwLibs     = -lX11 -lXext -lXmu -lXi
   CSF_MotifLibs  = -lX11
+  CSF_fontconfig = -lfontconfig
   HAVE_GLES2 { CSF_OpenGlLibs = -lEGL -lGLESv2 }
 }