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-rw-r--r--ext/openssl/extconf.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/ext/openssl/extconf.rb b/ext/openssl/extconf.rb
index a4239a1..afcb038 100644
--- a/ext/openssl/extconf.rb
+++ b/ext/openssl/extconf.rb
@@ -58,6 +58,17 @@ if !result
end
end
+check_opensslv = <<_end_of_src_
+#include <openssl/opensslv.h>
+#if OPENSSL_VERSION_NUMBER < 0x0090600fL
+# error too old
+#endif
+_end_of_src_
+if !try_compile(check_opensslv)
+ message "OpenSSL 0.9.6 or later required.\n"
+ exit 1
+end
+
message "=== Checking for OpenSSL features... ===\n"
have_func("HMAC_CTX_copy")
have_func("X509_STORE_get_ex_data")