From 48cd75fdbb35bc3ac75c32bf39bd2ff5c574ec12 Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@walfield.org>
Date: Mon, 22 May 2023 11:57:22 +0200
Subject: [PATCH] Add botan version 3 support.

  - `sequoia-openpgp` added support for Botan version 3, and made that
    the default for the `sequoia-openpgp/crypto-botan` feature.

  - Add the `crypto-botan2` feature to select the Botan version 2
    interface, and make that the default.
---
 Cargo.toml | 3 ++-
 build.rs   | 4 +++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index f236678..2649689 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,8 +39,9 @@ crate-type = ["lib", "cdylib", "staticlib"]
 
 [features]
 default = [
-    "crypto-botan",
+    "crypto-botan2",
 ]
 crypto-nettle = ["sequoia-openpgp/crypto-nettle"]
 crypto-botan = ["sequoia-openpgp/crypto-botan"]
+crypto-botan2 = ["sequoia-openpgp/crypto-botan2"]
 crypto-cng = ["sequoia-openpgp/crypto-cng"]
diff --git a/build.rs b/build.rs
index 9c04e94..bd1fef9 100644
--- a/build.rs
+++ b/build.rs
@@ -40,8 +40,10 @@ fn main() -> Result<(), std::io::Error> {
     // directory.
     let content = String::from_utf8(content).unwrap()
         .replace("REQUIRES",
-                 if cfg!(feature = "crypto-botan") {
+                 if cfg!(feature = "crypto-botan2") {
                      "botan-2"
+                 } else if cfg!(feature = "crypto-botan3") {
+                     "botan-3"
                  } else if cfg!(feature = "crypto-nettle") {
                      "nettle"
                  } else if cfg!(feature = "crypto-cng") {
-- 
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