[dpdk-dev] [PATCH] mk: fix libs installation when installing sdk

Olivier Matz olivier.matz at 6wind.com
Mon Jun 25 16:46:22 CEST 2018


Hi Thomas,

On Tue, Jan 23, 2018 at 05:30:57PM +0100, Olivier Matz wrote:
> Hi Thomas,
> 
> On Fri, Dec 15, 2017 at 12:00:01PM +0100, Thomas Monjalon wrote:
> > 15/12/2017 11:45, Olivier MATZ:
> > > On Fri, Dec 15, 2017 at 11:32:12AM +0100, Thomas Monjalon wrote:
> > > > 15/12/2017 11:25, Olivier MATZ:
> > > > > On Fri, Dec 15, 2017 at 11:19:57AM +0100, Thomas Monjalon wrote:
> > > > > > 14/12/2017 15:24, Olivier Matz:
> > > > > > > @@ -157,6 +157,8 @@ install-sdk:
> > > > > > >  	$(Q)cp -a               $O/.config               $(DESTDIR)$(targetdir)
> > > > > > >  	$(Q)cp -a               $O/app/dpdk-pmdinfogen   $(DESTDIR)$(targetdir)/app
> > > > > > >  	$(Q)$(call rte_symlink, $(DESTDIR)$(includedir), $(DESTDIR)$(targetdir)/include)
> > > > > > > +	$(Q)$(call rte_mkdir,                            $(DESTDIR)$(libdir))
> > > > > > > +	$(Q)cp -a               $O/lib/*                 $(DESTDIR)$(libdir)
> > > > > > >  	$(Q)$(call rte_symlink, $(DESTDIR)$(libdir),     $(DESTDIR)$(targetdir)/lib)
> > > > > > 
> > > > > > The libs are already installed with "make install-runtime".
> > > > > > Either we add a dependency between install-sdk and install-runtime,
> > > > > > or we clearly document it.
> > > > > 
> > > > > To me, libs are needed when installing the sdk (to compile against them)
> > > > > and when installing the runtime (to use them).
> > > > > 
> > > > > Is it a problem to have it in both targets?
> > > > 
> > > > Yes it is a problem because the general use is to call every targets,
> > > > so the libs will be installed twice. Look at the global "install" target.
> > > > 
> > > > Do you want to be able to install the SDK without the runtime?
> > > 
> > > Hmm, you're right, installing the runtime instead of the sdk may be a
> > > solution in our case. We don't need the bin, man, ... but it's probably
> > > not an issue to have them anyway.
> > > 
> > > So, to summarize:
> > >   install-runtime is the equivalent of the binary package
> > >   install-sdk is the equivalent of the -devel package
> > 
> > Yes
> > 
> > > And install-sdk depends on install-runtime, right?
> > 
> > Depends logically, yes. But no dependence in the Makefile.
> 
> Coming back on this topic, actually I think an issue remains with "make
> install-sdk" which generates a bad symlink.
> 
>   # ls -l /tmp/toto/usr/local/share/dpdk/x86_64-native-linuxapp-gcc
>   drwxr-xr-x 2 root root 4096 Dec 11 11:49 app
>   lrwxrwxrwx 1 root root   21 Dec 11 11:49 include -> ../../../include/dpdk
>   lrwxrwxrwx 1 root root   12 Dec 11 11:49 lib -> ../../../lib  # BAD LINK
> 
> Would it make sense to remove the creation of the symlink? Something
> like this:
> 
>   --- a/mk/rte.sdkinstall.mk
>   +++ b/mk/rte.sdkinstall.mk
>   @@ -157,7 +157,6 @@ install-sdk:
>           $(Q)cp -a               $O/.config               $(DESTDIR)$(targetdir)
>           $(Q)cp -a               $O/app/dpdk-pmdinfogen   $(DESTDIR)$(targetdir)/app
>           $(Q)$(call rte_symlink, $(DESTDIR)$(includedir), $(DESTDIR)$(targetdir)/include)
>   -       $(Q)$(call rte_symlink, $(DESTDIR)$(libdir),     $(DESTDIR)$(targetdir)/lib)
>   
>    install-doc:
>    ifneq ($(wildcard $O/doc/html),)

It looks we forgot this thread for a long time. Any opinon about it?

Thanks
Olivier


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