1 files changed, 43 insertions, 0 deletions
diff --git a/openssl-sys/build/cfgs.rs b/openssl-sys/build/cfgs.rs
new file mode 100644
index 00000000..4648f6f5
--- /dev/null
+++ b/openssl-sys/build/cfgs.rs
@@ -0,0 +1,43 @@
+pub fn get(openssl_version: Option<u64>, libressl_version: Option<u64>) -> Vec<&'static str> {
+    let mut cfgs = vec![];
+
+    if let Some(libressl_version) = libressl_version {
+        cfgs.push("libressl");
+
+        if libressl_version >= 0x2_05_01_00_0 {
+            cfgs.push("libressl251");
+        }
+        if libressl_version >= 0x2_06_01_00_0 {
+            cfgs.push("libressl261");
+        }
+        if libressl_version >= 0x2_07_00_00_0 {
+            cfgs.push("libressl270");
+        }
+    } else {
+        let openssl_version = openssl_version.unwrap();
+
+        if openssl_version >= 0x1_00_01_00_0 {
+            cfgs.push("ossl101");
+        }
+        if openssl_version >= 0x1_00_02_00_0 {
+            cfgs.push("ossl102");
+        }
+        if openssl_version >= 0x1_00_02_08_0 {
+            cfgs.push("ossl102h");
+        }
+        if openssl_version >= 0x1_01_00_00_0 {
+            cfgs.push("ossl110");
+        }
+        if openssl_version >= 0x1_01_00_06_0 {
+            cfgs.push("ossl110f");
+        }
+        if openssl_version >= 0x1_01_00_07_0 {
+            cfgs.push("ossl110g");
+        }
+        if openssl_version >= 0x1_01_01_00_0 {
+            cfgs.push("ossl111");
+        }
+    }
+
+    cfgs
+}