[Linphone-developers] Detection of libzrtpcpp/libzrtpcppcore by oRTP's 'configure' script fails on ArchLinux (but is easy to fix)

[KheOps]

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Hi everyone,

I'm trying to compile linphone 3.7.0 on ArchLinux in order to link it
with polarssl (the version currently packaged on ArchLinux does not
support TLS).

oRTP's configure script is failing on the detection of 'libzrtpcppcore'
using pkg-config.

On ArchLinux, this library is called 'libzrtpcpp' (without the 'core' at
the end) and is currently included in its 4.2.0 version.

By setting the appropriate environment variables (as told by the error
message when the configure script fails) with the output of:
- - pkg-config --libs 'libzrtpcpp >= 4.0.0' (output: "-lzrtpcpp")
- - pkg-config --cflags 'libzrtpcpp >= 4.0.0' (no compile flags output)
the detection and compilation of ZRTP-related things work fine.

I don't know if this difference in the library name is only valid on
ArchLinux or also in other distros.

I thougth anyway that you might be interested in knowing this and maybe
improve the detection of libzrtpcpp(core) by detecting either one or the
other.

Best,
KheOps

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