Respect osslconf in systest

Also cfg off SSLv3_method, since it's disabled in the OpenSSL that ships
with Arch Linux. More such flags can be added on demand - it doesn't
seem worth auditing everything for them.

1 files changed, 5 insertions, 0 deletions

diff --git a/systest/build.rs b/systest/build.rs
index b2820e5b..94c5534e 100644
--- a/systest/build.rs
+++ b/systest/build.rs
@@ -31,6 +31,11 @@ fn main() {
     if env::var("DEP_OPENSSL_IS_110").is_ok() {
         cfg.cfg("ossl110", None);
     }
+    if let Ok(vars) = env::var("DEP_OPENSSL_OSSLCONF") {
+        for var in vars.split(",") {
+            cfg.cfg("osslconf", Some(var));
+        }
+    }
 
     cfg.header("openssl/comp.h")
        .header("openssl/dh.h")