tree 8cf3a30d221cdc19ac5941fb05f9c7b7d87e8ccb
parent 0ac91cc657ff18f48675183f09fc4a2102fe8dd4
author John Bowler <jbowler@acm.org> 1467354264 -0700
committer John Bowler <jbowler@acm.org> 1467397785 -0700

pngcp: add high resolution timing

If PNG_PNGCP_TIMING_SUPPORTED is defined maximal resolution CPU time logging of
png_read_png and png_write_png is enabled via the --time command line option.
This is not on by default but is enabled by contrib/conftests/pngcp.dfa

Signed-off-by: John Bowler <jbowler@acm.org>