From 6d1398283fdf7053cd9b92f29b550319db46c401 Mon Sep 17 00:00:00 2001
From: "Neal H. Walfield" <neal@walfield.org>
Date: Thu, 13 Apr 2023 00:54:33 +0200
Subject: [PATCH] Fix pep_engine_sequoia_backend.pc

  - When generating `pep_engine_sequoia_backend.pc`, add the correct
    dependencies for the selected cryptographic backend.
---
 build.rs                         | 10 ++++++++++
 pep_engine_sequoia_backend.pc.in |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index 01b9411..9c04e94 100644
--- a/build.rs
+++ b/build.rs
@@ -39,6 +39,16 @@ fn main() -> Result<(), std::io::Error> {
     // This is set to allow the use of the library from the build
     // directory.
     let content = String::from_utf8(content).unwrap()
+        .replace("REQUIRES",
+                 if cfg!(feature = "crypto-botan") {
+                     "botan-2"
+                 } else if cfg!(feature = "crypto-nettle") {
+                     "nettle"
+                 } else if cfg!(feature = "crypto-cng") {
+                     ""
+                 } else {
+                     panic!("Don't know dependencies to add to .pc file")
+                 })
         .replace("LIBDIR",
                  &build_dir
                      .to_str()
diff --git a/pep_engine_sequoia_backend.pc.in b/pep_engine_sequoia_backend.pc.in
index de8cd24..8c7cd27 100644
--- a/pep_engine_sequoia_backend.pc.in
+++ b/pep_engine_sequoia_backend.pc.in
@@ -5,6 +5,6 @@ Name: pEpEngineSequoiaBackend
 Description: An implementation of the pEp Engine's crypttext interface using Sequoia
 URL: https://sequoia-pgp.org/
 Version: VERSION
-Requires: botan-2
+Requires: REQUIRES
 Cflags:
 Libs: -L${libdir} -lpep_engine_sequoia_backend
-- 
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