[Linux] Drop prebuilt freetype and fontconfig, use system libraries.

indra/cmake/Copy3rdPartyLibs.cmake

@@ -179,16 +179,10 @@ elseif(LINUX)
         libatk-1.0.so
         libexpat.so
         libexpat.so.1
-        libfreetype.so.6.12.3
-        libfreetype.so.6
-        libfreetype.so
         libGLOD.so
         libgmodule-2.0.so
         libgobject-2.0.so
         libopenal.so
-        libfontconfig.so.1.8.0
-        libfontconfig.so.1
-        libfontconfig.so
        )
 
     if (USE_TCMALLOC)

indra/cmake/FreeType.cmake

@@ -1,14 +1,14 @@
 # -*- cmake -*-
 include(Prebuilt)
 
-if (STANDALONE)
+if (LINUX)
   include(FindPkgConfig)
 
   pkg_check_modules(FREETYPE REQUIRED freetype2)
-else (STANDALONE)
+else (LINUX)
   use_prebuilt_binary(freetype)
   set(FREETYPE_INCLUDE_DIRS ${LIBS_PREBUILT_DIR}/include/freetype2)
   set(FREETYPE_LIBRARIES freetype)
-endif (STANDALONE)
+endif (LINUX)
 
 link_directories(${FREETYPE_LIBRARY_DIRS})

indra/cmake/ViewerMiscLibs.cmake

@@ -3,9 +3,6 @@ include(Prebuilt)
 
 if (NOT STANDALONE)
   use_prebuilt_binary(slvoice)
-  if(LINUX)
-    use_prebuilt_binary(fontconfig)
-  endif(LINUX)
 else (NOT STANDALONE)
   # Download there even when using standalone.
   set(STANDALONE OFF)
@@ -16,4 +13,9 @@ else (NOT STANDALONE)
   set(STANDALONE ON)
 endif(NOT STANDALONE)
 
+if(LINUX)
+  include(FindPkgConfig)
+  pkg_check_modules(FONTCONFIG REQUIRED fontconfig)
+endif(LINUX)
+
 use_prebuilt_binary(fonts)