On 9/22/20 8:53 AM, James Bottomley wrote: > I recently ran into this as an error from 0day. On x86 it's pretty > much impossible to build a configuration where CONFIG_ASN1 isn't set, > so you rarely notice a problem using the ASN.1 compiler because > something else has selected it. However, this compiler is never built > if CONFIG_ASN1 isn't set and the error you get from kbuild is > particularly unhelpful: > > make[4]: *** No rule to make target 'security/keys/trusted-keys/tpm2key.asn1.o', needed by 'security/keys/trusted-keys/built-in.a'. > make[4]: *** [scripts/Makefile.build:283: security/keys/trusted-keys/trusted_tpm2.o] Error 1 > make[4]: Target '__build' not remade because of errors. > > This patch changes the above error to the much easier to diagnose: > > scripts/Makefile.build:387: *** CONFIG_ASN1 must be defined for the asn1_compiler. Stop. > make[3]: *** [scripts/Makefile.build:505: security/keys/trusted-keys] Error 2 > > James > > --- > > James Bottomley (1): > Makefile.build: Add an explicit error for missing ASN.1 compiler > > scripts/Makefile.build | 5 +++++ > 1 file changed, 5 insertions(+) Is there a missing select ASN1 somewhere? -- ~Randy