Backport bitcoin#14385: qt: avoid system harfbuzz and bz2 (#2732)

We may eventually want to break out harfbuzz and build it in depends, but
for now just ensure that runtime dependencies don't depend on whether or not
harfbuzz was present on the builder.

depends/packages/freetype.mk

@@ -5,7 +5,7 @@ $(package)_file_name=$(package)-$($(package)_version).tar.bz2
 $(package)_sha256_hash=3a3bb2c4e15ffb433f2032f50a5b5a92558206822e22bfe8cbe339af4aa82f88
 
 define $(package)_set_vars
-  $(package)_config_opts=--without-zlib --without-png --disable-static
+  $(package)_config_opts=--without-zlib --without-png --without-harfbuzz --without-bzip2 --disable-static
   $(package)_config_opts_linux=--with-pic
 endef
 

depends/packages/qt.mk

@@ -76,6 +76,7 @@ $(package)_config_opts += -prefix $(host_prefix)
 $(package)_config_opts += -qt-libpng
 $(package)_config_opts += -qt-libjpeg
 $(package)_config_opts += -qt-pcre
+$(package)_config_opts += -qt-harfbuzz
 $(package)_config_opts += -system-zlib
 $(package)_config_opts += -reduce-exports
 $(package)_config_opts += -static