Re: [dpdk-dev] [PATCH 0/4] enable meson support for aesni_gcm, aesni_mb, kasumi and zuc

[Bruce Richardson <bruce.richardson@intel.com>]

On Sun, Sep 30, 2018 at 11:01:38AM +0100, Luca Boccassi wrote:
> On Sat, 2018-09-29 at 13:00 +0100, Hari Kumar Vemula wrote:
> > 1/4: enablement of aesni_gcm pmd in meson 2/4: enablement of aesni_mb
> > pmd in meson 3/4: enablement of kasumi pmd enable in meson 4/4:
> > enablement of zuc pmd enable in meson
> > 
> > Hari Kumar Vemula (4):   driver/crypto: enable meson support for the
> > aesni gcm   drivers/crypto: enable meson support for the aesni mb  
> > drivers/crypto: enable meson support for the kasumi   drivers/crypto:
> > enable meson support for the zuc
> > 
> >  drivers/crypto/aesni_gcm/meson.build | 17 +++++++++++++++++
> >  drivers/crypto/aesni_mb/meson.build  | 16 ++++++++++++++++
> >  drivers/crypto/kasumi/meson.build    | 18 ++++++++++++++++++
> >  drivers/crypto/meson.build           |  4 ++--
> >  drivers/crypto/zuc/meson.build       | 18 ++++++++++++++++++
> >  meson_options.txt                    |  6 ++++++  6 files changed, 77
> > insertions(+), 2 deletions(-)  create mode 100644
> > drivers/crypto/aesni_gcm/meson.build  create mode 100644
> > drivers/crypto/aesni_mb/meson.build  create mode 100644
> > drivers/crypto/kasumi/meson.build  create mode 100644
> > drivers/crypto/zuc/meson.build
> 
> Hi,
> 
> With Meson we want to reduce the large number of build-time options.  For
> dependencies, I don't think it's necessary to have a separate option to
> pass the library path.
> 
> The preferred option would be for the dependency to have a pkg-config
> file which sets the necessary flags. If that's not installed in the
> standard path, the PKG_CONFIG_PATH environment variable can be set to add
> custom paths.
> 
> If a dependency does not have a pkg-config file (if you control it would
> be a good time to add it :-) ), then you can set the path to the shared
> object with something like: LD_FLAGS=-L/path/to/lib/ and Meson will use
> that automatically (and CFLAGS=-I/path/to/headers/ if necessary as well).
> 
For completeness: third option is to have the libraries on which you depend
install themselves in /usr/local as normal for additional software, which
means that they should still be found in most cases without either
pkg-config files or extra LD/CFLAGS.

/Bruce