default_pre_build &&
cd "$SOURCE_DIRECTORY" &&

# AC_PATH_XTRA puts -lSM -lICE in X_PRE_LIBS whenever libSM is installed,
# and x11.m4 adds X_PRE_LIBS to every X link line; SM_LIBS covers real use
sed -i 's/X_LIBS="\$X_PRE_LIBS \$X_LIBS -lX11"/X_LIBS="$X_LIBS -lX11"/' \
  m4/x11.m4 configure