[yocto] Writing a recipe that allows for extra depends, depending on the extra_oemake configurations

[Giordon Stark]

Hi,

I have a recipe that I wrote up here:
https://github.com/kratsg/meta-l1calo/blob/master/recipes-core/root/xrootd_4.8.3.bb
 .

The short snippet of it looks as follows:

inherit cmake

DEPENDS += "python"

*# ENABLE_CRYPTO*
*#DEPENDS += "openssl"*

*# ENABLE_KRB5*
*#DEPENDS += "krb5"*

EXTRA_OECMAKE = " \
  -DENABLE_PERL=FALSE \
  -DENABLE_FUSE=FALSE \
*  -DENABLE_CRYPTO=FALSE \*
*  -DENABLE_KRB5=FALSE \*
  -DENABLE_FUSE=FALSE \
  -DENABLE_READLINE=FALSE \
  -DHAVE_ATOMICS_EXITCODE=0 \
"

I'm wondering how I can make it so that I can have a user allow for
additional configuration to enable crypto/krb5 which requires extra depends
and changing the oemake flags. Is this something Yocto can do, or is it
better to have users provide a bbappend file to update this recipe?

Thanks,

Giordon
-- 
Giordon Stark
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