Improve OpenSSL_add_all_algorithms check.

OpenSSL_add_all_algorithms() may be a macro so check for that too.

diff --git a/configure.ac b/configure.ac
index 14e7c4a61c3a2505af390b2e26943ea09dc545fe..c1427247e69e405d1f1928673122a16209b66595 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2705,10 +2705,19 @@ if test "x$openssl" = "xyes" ; then
                EVP_MD_CTX_copy_ex \
                EVP_MD_CTX_init \
                HMAC_CTX_init \
-               OpenSSL_add_all_algorithms \
                RSA_generate_key_ex \
                RSA_get_default_method \
        ])
+
+       # OpenSSL_add_all_algorithms may be a macro.
+       AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
+           AC_DEFINE(HAVE_OPENSSL_ADD_ALL_ALGORITHMS, 1, [as a function]),
+           AC_CHECK_DECL(OpenSSL_add_all_algorithms,
+               AC_DEFINE(HAVE_OPENSSL_ADD_ALL_ALGORITHMS, 1, [as a macro]), ,
+               [[#include <openssl/evp.h>]]
+           )
+       )
+
        # LibreSSL/OpenSSL 1.1x API
        AC_CHECK_FUNCS([ \
                OPENSSL_init_crypto \