Improve OpenSSL_add_all_algorithms check.

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

1 files changed, 10 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index 14e7c4a61..c1427247e 100644
--- 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 \