On Fri, Feb 02, 2018 at 10:07:31AM +0100, Thomas Monjalon wrote: > 01/02/2018 18:04, Ferruh Yigit: > > On 1/30/2018 11:40 PM, Thomas Monjalon wrote: > > > 16/12/2017 01:13, Ferruh Yigit: > > >> Add "debug" target to build library with debug symbols and optimization > > >> disabled. > > >> > > >> This is shortcut for exiting method to compile with > > >> EXTRA_CFLAGS="-O0 -g3" > > >> > > >> Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com> > > >> --- > > >> + debug build library with debug symbols > > > [...] > > >> +.PHONY: debug > > >> +debug: > > >> + $(Q)$(MAKE) EXTRA_CFLAGS="-O0 -g3" > > > > > > This target will override any EXTRA_CFLAGS, > > > so we cannot build in debug mode with more extra cflags this way. > > > > How about EXTRA_CFLAGS+="-O0 -g3" > > which is not override EXTRA_CFLAGS but merge them, can be ok? > > I am not sure it works. Have you tested?
Instead of adding a new target, what about, having: make DEBUG=1 The DEBUG variable could be used by the rte.*.mk to set the specific flags, before the EXTRA_* flags.