Make failure: json_object_object_add

[matIRL]

Any insight here:

Thank you!

src/tss2-fapi/ifapi_ima_eventlog.c:83:13: error: void value not ignored as it ought to be if (json_object_object_add(jso, CONTENT, *jso_sub)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c: In function ‘add_uint8_ary_to_json’: src/tss2-fapi/ifapi_ima_eventlog.c:110:9: error: void value not ignored as it ought to be if (json_object_object_add(jso, jso_tag, jso_byte_string)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c: In function ‘add_string_to_json’: src/tss2-fapi/ifapi_ima_eventlog.c:127:9: error: void value not ignored as it ought to be if (json_object_object_add(jso, jso_tag, jso_string)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c: In function ‘add_number_to_json’: src/tss2-fapi/ifapi_ima_eventlog.c:143:9: error: void value not ignored as it ought to be if (json_object_object_add(jso, jso_tag, jso_number)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c: In function ‘set_ff_digest’: src/tss2-fapi/ifapi_ima_eventlog.c:189:9: error: void value not ignored as it ought to be if (json_object_object_add(jso_digest, "hashAlg", jso_digest_type)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c:200:9: error: void value not ignored as it ought to be if (json_object_object_add(jso, "digests", jso_ary)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c: In function ‘event_header_json_cb’: src/tss2-fapi/ifapi_ima_eventlog.c:414:9: error: void value not ignored as it ought to be if (json_object_object_add(jso_digest, "hashAlg", jso_digest_type)) { ^~~~~~~~~~~~~~~~~~~~~~ src/tss2-fapi/ifapi_ima_eventlog.c:424:9: error: void value not ignored as it ought to be if (json_object_object_add(*jso, "digests", jso_ary)) { ^~~~~~~~~~~~~~~~~~~~~~ CC src/tss2-fapi/src_tss2_policy_libtss2_policy_la-ifapi_helpers.lo Makefile:18748: recipe for target 'src/tss2-fapi/src_tss2_policy_libtss2_policy_la-ifapi_ima_eventlog.lo' failed make[1]: *** [src/tss2-fapi/src_tss2_policy_libtss2_policy_la-ifapi_ima_eventlog.lo] Error 1 make[1]: *** Waiting for unfinished jobs.... src/tss2-fapi/ifapi_helpers.c: In function ‘ifapi_calculate_pcrs’: src/tss2-fapi/ifapi_helpers.c:2237:29: error: implicit declaration of function ‘json_object_array_del_idx’; did you mean ‘json_object_array_get_idx’? [-Werror=implicit-function-declaration] if (json_object_array_del_idx(jso_event_list, i_evt + 1, ^~~~~~~~~~~~~~~~~~~~~~~~~ json_object_array_get_idx cc1: all warnings being treated as errors Makefile:18762: recipe for target 'src/tss2-fapi/src_tss2_policy_libtss2_policy_la-ifapi_helpers.lo' failed make[1]: *** [src/tss2-fapi/src_tss2_policy_libtss2_policy_la-ifapi_helpers.lo] Error 1 make[1]: Leaving directory '/home/mat/tpm2/tpm2-tss' Makefile:10840: recipe for target 'all' failed make: *** [all] Error 2

[JuergenReppSIT]

In json-c version 0.13 (from 2017) the function json_object_array_del_idx was added and the return type of json_object_object_add was changed.

[AndreasFuchsTPM]

Fixed by #2771 by checking for recent enough version of json-c