Add OPENSSL_VERSION_AT_LEAST

[openssl.git] / doc / man3 / OPENSSL_VERSION_NUMBER.pod

diff --git a/doc/man3/OPENSSL_VERSION_NUMBER.pod b/doc/man3/OPENSSL_VERSION_NUMBER.pod
index 6eca1134b16149792aec50730c928001daa61759..d5842c0e35f5d0ed68603e35d52445e2ef0dedd0 100644 (file)
--- a/doc/man3/OPENSSL_VERSION_NUMBER.pod
+++ b/doc/man3/OPENSSL_VERSION_NUMBER.pod
@@ -47,6 +47,11 @@ number was therefore 0x0090581f.
 
 OpenSSL_version_num() returns the version number.
 
+The macro OPENSSL_VERSION_AT_LEAST(major,minor) can be used at compile
+time test if the current version is at least as new as the version provided.
+The arguments major, minor and fix correspond to the version information
+as given above.
+
 OpenSSL_version() returns different strings depending on B<t>:
 
 =over 4