Locate FreeType library
This module defines
FREETYPE_LIBRARIES, the library to link against FREETYPE_FOUND, if false, do not try to link to FREETYPE FREETYPE_INCLUDE_DIRS, where to find headers. FREETYPE_VERSION_STRING, the version of freetype found (since CMake 2.8.8) This is the concatenation of the paths: FREETYPE_INCLUDE_DIR_ft2build FREETYPE_INCLUDE_DIR_freetype2
$FREETYPE_DIR is an environment variable that would correspond to the ./configure –prefix=$FREETYPE_DIR used in building FREETYPE.