# prepare data for
-# Set OPENSSL_ENGINES environment variable to just build engine
-$ENV{'OPENSSL_ENGINES'} = abs_path("../.libs");
+# Set OPENSSL_ENGINES environment variable to just built engine
+if(!defined $ENV{'OPENSSL_ENGINES'}){
+ $ENV{'OPENSSL_ENGINES'} = abs_path("../.libs");
+}
$engine=$ENV{'ENGINE_NAME'}||"gost";