[PATCH 1/1] tools: mkimage: set OPENSSL_API_COMPAT

[Tom Rini]

On Sat, Apr 30, 2022 at 03:45:24PM +0200, Heinrich Schuchardt wrote:

> Building with OpenSSL 3.0 produces warnings like:
> 
> ../tools/sunxi_toc0.c:846:17: warning: ‘RSA_get0_d’ is deprecated:
> Since OpenSSL 3.0 [-Wdeprecated-declarations]
>   846 |                 if (root_key && RSA_get0_d(root_key)) {
>       |                 ^~
> 
> As OpenSSL 3.0 is not available in elder Linux distributions
> just silence the warning.
> 
> Fixes: e9e87ec47c75 ("tools: mkimage: Add Allwinner TOC0 support")
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

On Ubuntu 20.04 which has OpenSSL 1.1.1f this adds:
tools/sunxi_toc0.c: In function ‘toc0_create_key_item’:
tools/sunxi_toc0.c:209:10: warning: implicit declaration of function ‘BN_bn2bin’ [-Wimplicit-function-declaration]
  209 |  n_len = BN_bn2bin(RSA_get0_n(root_key), key_item->key0);
      |          ^~~~~~~~~
tools/sunxi_toc0.c: In function ‘toc0_verify_key_item’:
tools/sunxi_toc0.c:274:6: warning: implicit declaration of function ‘BN_bin2bn’ [-Wimplicit-function-declaration]
  274 |  n = BN_bin2bn(key_item->key0, n_len, NULL);
      |      ^~~~~~~~~
tools/sunxi_toc0.c:274:4: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  274 |  n = BN_bin2bn(key_item->key0, n_len, NULL);
      |    ^
tools/sunxi_toc0.c:275:4: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  275 |  e = BN_bin2bn(key_item->key0 + n_len, e_len, NULL);
      |    ^
tools/sunxi_toc0.c:283:19: warning: implicit declaration of function ‘BN_cmp’; did you mean ‘OBJ_cmp’? [-Wimplicit-function-declaration]
  283 |  if (root_key && (BN_cmp(n, RSA_get0_n(root_key)) ||
      |                   ^~~~~~
      |                   OBJ_cmp
tools/sunxi_toc0.c:305:5: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  305 |   n = BN_bin2bn(key_item->key1, n_len, NULL);
      |     ^
tools/sunxi_toc0.c:306:5: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  306 |   e = BN_bin2bn(key_item->key1 + n_len, e_len, NULL);
      |     ^
tools/sunxi_toc0.c: In function ‘toc0_create_cert_item’:
tools/sunxi_toc0.c:363:6: warning: implicit declaration of function ‘BN_bn2binpad’ [-Wimplicit-function-declaration]
  363 |  if (BN_bn2binpad(RSA_get0_n(fw_key), publicKey->n, sizeof(publicKey->n)) < 0 ||
      |      ^~~~~~~~~~~~
tools/sunxi_toc0.c: In function ‘toc0_verify_cert_item’:
tools/sunxi_toc0.c:423:4: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  423 |  n = BN_bin2bn(publicKey->n, sizeof(publicKey->n), NULL);
      |    ^
tools/sunxi_toc0.c:424:4: warning: assignment to ‘BIGNUM *’ {aka ‘struct bignum_st *’} from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  424 |  e = BN_bin2bn(publicKey->e, sizeof(publicKey->e), NULL);
      |    ^

-- 
Tom
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