/usr/lib/Wt/cmake/WtFindPangoFt2.txt is in witty-examples 3.3.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | FIND_PACKAGE(PkgConfig)
PKG_CHECK_MODULES(PC_PANGO_FT2 pangoft2)
FIND_PATH(PANGO_INCLUDE_DIR pango/pangoft2.h
          HINTS ${PC_PANGO_FT2_INCLUDE_DIRS})
FIND_PATH(FT2_INCLUDE_DIR freetype/freetype.h
          HINTS ${PC_PANGO_FT2_INCLUDE_DIRS})
FIND_PATH(FONTCONFIG_INCLUDE_DIR fontconfig/fontconfig.h
          HINTS ${PC_PANGO_FT2_INCLUDE_DIRS})
FIND_PATH(GLIB2_INCLUDE_DIR glib.h
          HINTS ${PC_PANGO_FT2_INCLUDE_DIRS})
FIND_PATH(GLIB2_CONFIG_INCLUDE_DIR glibconfig.h
          HINTS ${PC_PANGO_FT2_INCLUDE_DIRS})
FIND_LIBRARY(PANGO_FT2_LIBRARY NAMES pangoft2-1.0 pangoft2
             HINTS ${PC_PANGO_FT2_LIBDIR})
FIND_LIBRARY(PANGO_LIBRARY NAMES pango-1.0 pango
             HINTS ${PC_PANGO_FT2_LIBDIR})
FIND_LIBRARY(GOBJECT2_LIBRARY NAMES gobject-2.0 gobject
             HINTS ${PC_PANGO_FT2_LIBDIR})
FIND_LIBRARY(GLIB2_LIBRARY NAMES glib-2.0 glib
             HINTS ${PC_PANGO_FT2_LIBDIR})
SET(PANGO_FT2_INCLUDE_DIRS
    ${PANGO_INCLUDE_DIR}
    ${FT2_INCLUDE_DIR}
    ${FONTCONFIG_INCLUDE_DIR}
    ${GLIB2_INCLUDE_DIR}
    ${GLIB2_CONFIG_INCLUDE_DIR})
SET(PANGO_FT2_LIBRARIES
    ${PANGO_FT2_LIBRARY}
    ${PANGO_LIBRARY}
    ${GOBJECT2_LIBRARY}
    ${GLIB2_LIBRARY})
IF (PANGO_INCLUDE_DIR
    AND FT2_INCLUDE_DIR
    AND FONTCONFIG_INCLUDE_DIR
    AND GLIB2_INCLUDE_DIR
    AND GLIB2_CONFIG_INCLUDE_DIR
    AND PANGO_FT2_LIBRARIES)
  SET(PANGO_FT2_FOUND TRUE)
ELSE (PANGO_INCLUDE_DIR
    AND FT2_INCLUDE_DIR
    AND FONTCONFIG_INCLUDE_DIR
    AND GLIB2_INCLUDE_DIR
    AND GLIB2_CONFIG_INCLUDE_DIR
    AND PANGO_FT2_LIBRARIES)
  SET(PANGO_FT2_FOUND FALSE)
ENDIF(PANGO_INCLUDE_DIR
    AND FT2_INCLUDE_DIR
    AND FONTCONFIG_INCLUDE_DIR
    AND GLIB2_INCLUDE_DIR
    AND GLIB2_CONFIG_INCLUDE_DIR
    AND PANGO_FT2_LIBRARIES)
 |