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build-sys: Test for functions if #defines are not found (OSSL 3)

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OpenSSL 3.0 has converted several RSA-related #defines to functions, so
that AX_CHECK_DEFINE only works for OpenSSL 1.1.0 but for OpenSSL 3.0.0
we have to also use AC_CHECK_LIB to determine whether the function is
available.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Stefan Berger 2021-09-14 17:43:46 -04:00 committed by Stefan Berger
parent ed94c7fd14
commit 3091ef1184
1 changed files with 13 additions and 4 deletions
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17
configure.ac
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@ -221,10 +221,19 @@ AS_IF([test "x$enable_use_openssl_functions" != "xno"], [
AC_CHECK_LIB([crypto], [EVP_PKEY_verify_init],, not_found=1)
AC_CHECK_LIB([crypto], [EVP_PKEY_verify],, not_found=1)
AC_CHECK_LIB([crypto], [EVP_get_digestbyname],, not_found=1)
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set0_rsa_oaep_label],, not_found=1)
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_padding],, not_found=1)
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_oaep_md],, not_found=1)
AX_CHECK_DEFINE([<openssl/evp.h>], [EVP_PKEY_CTX_set_signature_md],, not_found=1)
# OpenSSL 3.0 turned some #defines into functions
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set0_rsa_oaep_label],,
AC_CHECK_LIB([crypto], [EVP_PKEY_CTX_set0_rsa_oaep_label],, not_found=1)
)
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_padding],,
AC_CHECK_LIB([crypto], [EVP_PKEY_CTX_set_rsa_padding],, not_found=1)
)
AX_CHECK_DEFINE([<openssl/rsa.h>], [EVP_PKEY_CTX_set_rsa_oaep_md],,
AC_CHECK_LIB([crypto], [EVP_PKEY_CTX_set_rsa_oaep_md],, not_found=1)
)
AX_CHECK_DEFINE([<openssl/evp.h>], [EVP_PKEY_CTX_set_signature_md],,
AC_CHECK_LIB([crypto], [EVP_PKEY_CTX_set_signature_md],, not_found=1)
)
if test "x$not_found" = "x0"; then
use_openssl_functions_rsa=1
use_openssl_functions_for="${use_openssl_functions_for}RSA "