Replace Windows font utility with native utilities

To generate new fonts, the freetype2 library is required. This
can now be specified by configure in the usual way. If it's missing,
new fonts cannot be generated.

configure.ac

@@ -190,6 +190,8 @@ AM_CONDITIONAL(XRDP_RDPSNDAUDIN, [test x$enable_rdpsndaudin = xyes])
 
 AC_ARG_WITH(imlib2, AC_HELP_STRING([--with-imlib2=ARG], [imlib2 library to use for non-BMP backgrounds (ARG=yes/no/<abs-path>)]),,)
 
+AC_ARG_WITH(freetype2, AC_HELP_STRING([--with-freetype2=ARG], [freetype2 library to use for rendering fonts (ARG=yes/no/<abs-path>)]),,)
+
 # Obsolete options
 AC_ARG_ENABLE(xrdpdebug, AS_HELP_STRING([--enable-xrdpdebug],
               [This option is no longer supported - use --enable-devel-all]))
@@ -278,6 +280,41 @@ if test x$use_imlib2 = xyes; then
     AC_DEFINE([USE_IMLIB2],1, [Compile with imlib2 support])
 fi
 
+# Find freetype2
+case "$with_freetype2" in
+    '' | no) AC_MSG_NOTICE([freetype2 will not be supported])
+        use_freetype2=no
+        ;;
+    yes)
+        PKG_CHECK_MODULES([FREETYPE2], [freetype2 >= 2.8],
+            [use_freetype2=yes],
+            [AC_MSG_ERROR([please install libfreetype6-dev or freetype-devel])])
+        ;;
+    /*) AC_MSG_CHECKING([for freetype2 in $with_freetype2])
+        if test -d $with_freetype2/lib; then
+            FREETYPE2_LIBS="-L$with_freetype2/lib -llibfreetype"
+        elif test -d $with_freetype2/lib64; then
+            FREETYPE2_LIBS="-L$with_freetype2/lib64 -llibfreetype"
+        else
+            AC_MSG_RESULT([no])
+            AC_MSG_ERROR([Can't find libfreetype in $with_freetype2])
+        fi
+
+        if test -f $with_freetype2/include/freetype2/ft2build.h; then
+            FREETYPE2_CFLAGS="-I $with_freetype2/include/freetype2"
+        else
+            AC_MSG_RESULT([no])
+            AC_MSG_ERROR([Can't find $with_freetype2/include/freetype2/ft2build.h])
+        fi
+        AC_MSG_RESULT([yes])
+        AC_SUBST([FREETYPE2_LIBS])
+        AC_SUBST([FREETYPE2_CFLAGS])
+        use_freetype2=yes
+        ;;
+    *)  AC_MSG_ERROR([--with-freetype2 needs yes/no or absolute path])
+esac
+AM_CONDITIONAL([USE_FREETYPE2], [test "x$use_freetype2" = xyes])
+
 # Check only one auth mechanism is specified, and give it a name
 auth_cnt=0
 auth_mech="Builtin"
@@ -494,6 +531,7 @@ AC_CONFIG_FILES([
   common/Makefile
   docs/Makefile
   docs/man/Makefile
+  fontutils/Makefile
   genkeymap/Makefile
   instfiles/default/Makefile
   instfiles/init.d/Makefile
@@ -551,11 +589,9 @@ echo "  vsock                   $enable_vsock"
 echo "  auth mechanism          $auth_mech"
 echo "  rdpsndaudin             $enable_rdpsndaudin"
 echo
-if test x$use_imlib2 = xyes; then
-    echo "  with imlib2             yes"
-else
-    echo "  with imlib2             no"
-fi
+echo "  with imlib2             $use_imlib2"
+echo "  with freetype2          $use_freetype2"
+
 echo
 echo "  development logging     $devel_logging"
 echo "  development streamcheck $devel_streamcheck"