Hi Simon, On 12/04/2015 09:12 AM, Simon K?gstr?m wrote: > Hi Olivier! > > Does this commit look OK now with the changes you proposed? > > Thanks, > // Simon > > On 2015-11-24 08:50, Simon Kagstrom wrote: >> We have encountered a CPU where the AES-NI instruction set is disabled >> due to export restrictions. Since the build machine and target machine >> is different, using -native configs doesn't work, and on this CPU, the >> application refuses to run due to the AES CPU flags being amiss. >> >> The patch passes EXTRA_CFLAGS to the figure-out-cpu-flags helper, >> which allows us to add -mno-aes to the compile flags and resolve this >> problem. >> >> Signed-off-by: Simon Kagstrom <simon.kagstrom at netinsight.net> >> --- >> ChangeLog: >> >> v2: >> * Put EXTRA_CFLAGS after MACHINE_CFLAGS to enable overriding values >> >> mk/rte.cpuflags.mk | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk >> index bec7bdd..4b30c6b 100644 >> --- a/mk/rte.cpuflags.mk >> +++ b/mk/rte.cpuflags.mk >> @@ -33,7 +33,7 @@ >> # used to set the RTE_CPUFLAG_* environment variables giving details >> # of what instruction sets the target cpu supports. >> >> -AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) -dM -E - < /dev/null) >> +AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) $(EXTRA_CFLAGS) -dM -E - < >> /dev/null) >> >> # adding flags to CPUFLAGS >> >>
Acked-by: Olivier Matz <olivier.matz at 6wind.com>
