On Sat, Aug 11, 2018 at 10:01 PM Robert Marcano <rob...@marcanoonline.com> wrote:
> Greetings. > Hello, > Current *-devel packages tend to pull a lot of dependencies, probably to > make developers life easier, but I think some of them are not needed. > > For example, someone developing against krb5-devel for a GSSAPI client, > probably doesn't need openssl-devel installed, that they are linking > against Kerberos doesn't means they use the same crypto library > directly, they could use nss for example. > ⋊> ~ rpm -qR krb5-devel | grep openssl | wc -l 16:47:02 0 Do you have better example? This is somewhat related to the remove excessive linking change [1]. We > could help developers detect they are over linking by not installing > unnecessary *-devel dependencies. So in summary, the proposal is to > reduce inter *-devel packages dependencies, and only add them when one > module exports symbols, data structures or other stuff that make linking > against the other library necessary. > Auto-generated pkgconfig() dependencies take Requires.private into account which adds quite some dependencies which are needed only when you are using pkg-config --static, but if you don't ship static library - it is just useless. In order to solve this problem, we need to change dependency generator to produce something like: Provides: pkgconfig(foo) Requires: (pkgconfig(foo) if pkgconfig-static(foo)) And ask packagers to manually put Provides: pkgconfig-static(foo) into their -static subpackages. Does above sound reasonable? Note: this all started with bug 1613852 [2], where nodejs-devel is > pulling compat-openssl10-devel and my NodeJS development needs don't > require to link to OpenSSL (the native module being built doesn't do > crypto), but for others projects I really need openssl-devel (not > compat*) and both, openssl-devel and compat-openssl10-devel conflicts > > > [1] https://fedoraproject.org/wiki/Changes/RemoveExcessiveLinking > [2] https://bugzilla.redhat.com/show_bug.cgi?id=1613852 > -- -Igor Gnatenko
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