[LTP] Travis failures

[Jan Stancek <jstancek@redhat.com>]

----- Original Message -----
> Hi!
> > > quite often I see in my travis builds liblitpnuma.a related failures [1]
> > > (one
> > > random out-of-tree build), which gets fixed by restarting it. Any idea
> > > why?
> > 
> > Looks like when it gets built via ./libs it works, but if it's pulled
> > as dependency first, it fails:
> 
> Which is bug itself, we have to build it via libs otherwise this will
> break if more than one of these directories will pull it as dependency
> at the same time.
> 
> > # make -C $(pwd)/../ltp-build/testcases/kernel/syscalls/set_mempolicy/ -f
> > $(pwd)/testcases/kernel/syscalls/set_mempolicy/Makefile top_srcdir=$(pwd)
> > top_builddir=$(pwd)/../ltp-build
> > make: Entering directory
> > `/root/ltp-build/testcases/kernel/syscalls/set_mempolicy'
> > make -C "/root/ltp-build/libs/libltpnuma" -f
> > "/root/ltp-build/libs/libltpnuma/Makefile" all
> > make[1]: Entering directory `/root/ltp-build/libs/libltpnuma'
> > make[1]: /root/ltp-build/libs/libltpnuma/Makefile: No such file or
> > directory
> > make[1]: *** No rule to make target
> > `/root/ltp-build/libs/libltpnuma/Makefile'.  Stop.
> > make[1]: Leaving directory `/root/ltp-build/libs/libltpnuma'
> > make: *** [/root/ltp-build/libs/libltpnuma/libltpnuma.a] Error 2
> > make: Leaving directory
> > `/root/ltp-build/testcases/kernel/syscalls/set_mempolicy'
> > 
> > Maybe something like this to fix it?
> > 
> > diff --git a/include/mk/testcases.mk b/include/mk/testcases.mk
> > index 131854e..55cf4da 100644
> > --- a/include/mk/testcases.mk
> > +++ b/include/mk/testcases.mk
> > @@ -43,13 +43,13 @@ LDLIBS              += -lltp
> > 
> >  ifdef LTPLIBS
> > 
> > -LTPLIBS_DIRS = $(addprefix $(abs_top_builddir)/libs/lib, $(LTPLIBS))
> > +LTPLIBS_DIRS = $(LTPLIBS)

This part is wrong, LTPLIBS_DIRS is also used for "mkdir" rule below.
I'll post v2 properly.

> >  LTPLIBS_FILES = $(addsuffix .a, $(addprefix $(abs_top_builddir)/libs/,
> >  $(foreach LIB,$(LTPLIBS),lib$(LIB)/lib$(LIB))))
> > 
> >  MAKE_DEPS += $(LTPLIBS_FILES)
> > 
> >  $(LTPLIBS_FILES): $(LTPLIBS_DIRS)
> > -       $(MAKE) -C "$^" -f "$^/Makefile" all
> > +       $(MAKE) -C "$(addprefix $(abs_top_builddir)/libs/lib, $^)" -f
> > "$(addprefix $(abs_top_srcdir)/libs/lib, $^)/Makefile" all
> 
> Well we can use LTPLIBS directly here, and there is no need to use
> addprefix if we are not applying the change to a set, so I guess that
> following will work as well:
> 
> $(MAKE) -C "$(abs_top_builddir)/libs/lib)$^" -f
> "$(abs_top_srcdir)/libs/lib)$^/Makefile" all
> 
> Otherwise this is a good catch, acked.
> 
> --
> Cyril Hrubis
> chrubis@suse.cz
>