Switching from libpcrecpp to libpcre2

[pgrt]

Hello,

I am the Debian packager of goby3.

As the pcre3 library, on which the C++ source files in goby3 depend, is now unmaintained upstream, I wrote the enclosed patch to switch to pcre2, which is regularly maintained by the pcre developers. See https://bugs.debian.org/1000043 for more information on the subject.

I tested the patch by compiling src/cpp/GsnapParseTest1.cc (with only testPcre() inside) and running it successfully. I did not test anything else as I do not need the C++ part of goby3 in the Debian package. Maybe you would be interested in testing it.

Best regards,

Pierre
using_pcre2.txt

[guillemj]

Hi!

I had to switch some C++ projects from PCRE to PCRE2, and initially went with something like the proposed patch, but then I realized the natural successor for the pcrecpp library (which was initially contributed by Google) is actually RE2, which has a very similar API and is a native C++ one, and the switch turns into a rather small diff. I'd recommend checking that out before considering merging the proposed patch.