Merge #17928: depends: Consistent use of package variable

22c5a986e9 depends: Consistent use of package variable (Peter Bushnell)

Pull request description:

  All other mk files use the package variable consistently except for the two instances here, which have always been here, since depends was introduced in 0.10.

ACKs for top commit:
  fanquake:
    ACK 22c5a986e9 - tested a `make boost -C depends/ -j8`.

Tree-SHA512: 41766a328603db2ebb1f23ea0c5b2936de043587dd86396eaba73524d2f5bdeff25447040e33d61de2ef612a920281cd81c6fac097913270287f344beb839c5d

depends/packages/boost.mk

@@ -29,11 +29,11 @@ $(package)_cxxflags_android=-fPIC
 endef
 
 define $(package)_preprocess_cmds
-  echo "using $(boost_toolset_$(host_os)) : : $($(package)_cxx) : <cxxflags>\"$($(package)_cxxflags) $($(package)_cppflags)\" <linkflags>\"$($(package)_ldflags)\" <archiver>\"$(boost_archiver_$(host_os))\" <striper>\"$(host_STRIP)\"  <ranlib>\"$(host_RANLIB)\" <rc>\"$(host_WINDRES)\" : ;" > user-config.jam
+  echo "using $($(package)_toolset_$(host_os)) : : $($(package)_cxx) : <cxxflags>\"$($(package)_cxxflags) $($(package)_cppflags)\" <linkflags>\"$($(package)_ldflags)\" <archiver>\"$($(package)_archiver_$(host_os))\" <striper>\"$(host_STRIP)\"  <ranlib>\"$(host_RANLIB)\" <rc>\"$(host_WINDRES)\" : ;" > user-config.jam
 endef
 
 define $(package)_config_cmds
-  ./bootstrap.sh --without-icu --with-libraries=$(boost_config_libraries)
+  ./bootstrap.sh --without-icu --with-libraries=$($(package)_config_libraries)
 endef
 
 define $(package)_build_cmds