This reduces the script execution time from 14.7s to 60 ms. Since this was by far the longest taking target from the docs/ directory and make does not parallelize across Makefiles, the savings are similar for a complete build from a fresh git checkout. The second patch shaves off 8.2s, the third 6.4s and the last one shaves off half of the remaining time. Ján Tomko (4): hvsupport: Introduce parseSymsFile hvsupport: drop XML::XPath hvsupport: construct regex up front hvsupport: skip non-matching lines early bootstrap.conf | 1 - docs/hvsupport.pl | 218 +++++++++++++++++++++--------------------------------- 2 files changed, 85 insertions(+), 134 deletions(-) -- 2.7.3 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list