Description: Add -DUSE_CURL_SSL to allow distros to avoid OpenSSL
Author: Ximin Luo <infinity0@pwned.gg>
Forwarded: https://github.com/libgit2/libgit2/pull/4325
--- a/src/transports/http.c
+++ b/src/transports/http.c
@@ -606,7 +606,11 @@
 	}
 
 	if (t->connection_data.use_ssl) {
+#ifdef GIT_CURL_SSL
+		error = git_curl_stream_new(&t->io, t->connection_data.host, t->connection_data.port, true);
+#else
 		error = git_tls_stream_new(&t->io, t->connection_data.host, t->connection_data.port);
+#endif
 	} else {
 #ifdef GIT_CURL
 		error = git_curl_stream_new(&t->io, t->connection_data.host, t->connection_data.port, false);
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -285,6 +285,9 @@
 	ENDIF ()
 
 	IF (CURL_FOUND)
+		IF (USE_CURL_SSL)
+			ADD_DEFINITIONS(-DGIT_CURL_SSL)
+		ENDIF()
 		ADD_DEFINITIONS(-DGIT_CURL)
 		INCLUDE_DIRECTORIES(${CURL_INCLUDE_DIRS})
 		LINK_DIRECTORIES(${CURL_LIBRARY_DIRS})