On Mon, 25 Nov 2019 23:56:00 +0100 Thomas Monjalon <tho...@monjalon.net> wrote:
> 05/11/2019 02:56, Stephen Hemminger: > > When doing a cross compiling it is common to use EXTRA_CFLAGS with > > --sysroot option to point to alternate root filesystem. This already > > works as expected for objects and executables, it just doesn't work > > correctly for shared libraries. > > > > When a shared library is linked using CC this flag needs to > > be passed in order for libraries to be found. > > > > Signed-off-by: Stephen Hemminger <step...@networkplumber.org> > > --- > > --- a/mk/rte.shared.mk > > +++ b/mk/rte.shared.mk > > -O_TO_SO = $(CC) $(call linkerprefix,$(LDFLAGS)) $(LDFLAGS_$(@)) > > $(EXTRA_LDFLAGS) \ > > +O_TO_SO = $(CC) $(EXTRA_CFLAGS) $(call linkerprefix,$(LDFLAGS)) > > $(LDFLAGS_$(@)) $(EXTRA_LDFLAGS) \ > > -shared -o $@ $(OBJS-y) $(call linkerprefix,$(LDLIBS)) > > After several thoughts, I am afraid of the possible side effects > of such a change. > I think only LDFLAGS should be used when linking. > If you need the same parameters at compilation and linking, > you should pass the same parameters to CFLAGS and LDFLAGS. Let me try same thing with EXTRA_LDFLAGS
