From fa3b5090e94ee1386ca6ed6c4ddf886fa46dca54 Mon Sep 17 00:00:00 2001
From: Stefan Boberg <stefan.boberg@epicgames.com>
Date: Fri, 27 Mar 2026 12:03:02 +0100
Subject: remove CPR HTTP client backend (#894)

CPR is no longer needed now that HttpClient has fully transitioned to raw libcurl. This removes the CPR library, its build integration, implementation files, and all conditional compilation guards, leaving curl as the sole HTTP client backend.
---
 src/zenhttp/httpclient.cpp | 32 ++------------------------------
 1 file changed, 2 insertions(+), 30 deletions(-)

(limited to 'src/zenhttp/httpclient.cpp')

diff --git a/src/zenhttp/httpclient.cpp b/src/zenhttp/httpclient.cpp
index 96107883e..ace7a3c7f 100644
--- a/src/zenhttp/httpclient.cpp
+++ b/src/zenhttp/httpclient.cpp
@@ -36,12 +36,6 @@
 
 namespace zen {
 
-#if ZEN_WITH_CPR
-extern HttpClientBase* CreateCprHttpClient(std::string_view			 BaseUri,
-										   const HttpClientSettings& ConnectionSettings,
-										   std::function<bool()>&&	 CheckIfAbortFunction);
-#endif
-
 extern HttpClientBase* CreateCurlHttpClient(std::string_view		  BaseUri,
 											const HttpClientSettings& ConnectionSettings,
 											std::function<bool()>&&	  CheckIfAbortFunction);
@@ -57,14 +51,7 @@ SetDefaultHttpClientBackend(HttpClientBackend Backend)
 void
 SetDefaultHttpClientBackend(std::string_view Backend)
 {
-#if ZEN_WITH_CPR
-	if (Backend == "cpr")
-	{
-		g_DefaultHttpClientBackend = HttpClientBackend::kCpr;
-	}
-	else
-#endif
-		if (Backend == "curl")
+	if (Backend == "curl")
 	{
 		g_DefaultHttpClientBackend = HttpClientBackend::kCurl;
 	}
@@ -378,22 +365,7 @@ HttpClient::HttpClient(std::string_view BaseUri, const HttpClientSettings& Conne
 , m_ConnectionSettings(ConnectionSettings)
 {
 	m_SessionId = GetSessionIdString();
-
-	HttpClientBackend EffectiveBackend =
-		ConnectionSettings.Backend != HttpClientBackend::kDefault ? ConnectionSettings.Backend : g_DefaultHttpClientBackend;
-
-	switch (EffectiveBackend)
-	{
-#if ZEN_WITH_CPR
-		case HttpClientBackend::kCpr:
-			m_Inner = CreateCprHttpClient(BaseUri, ConnectionSettings, std::move(CheckIfAbortFunction));
-			break;
-#endif
-		case HttpClientBackend::kCurl:
-		default:
-			m_Inner = CreateCurlHttpClient(BaseUri, ConnectionSettings, std::move(CheckIfAbortFunction));
-			break;
-	}
+	m_Inner		= CreateCurlHttpClient(BaseUri, ConnectionSettings, std::move(CheckIfAbortFunction));
 }
 
 HttpClient::~HttpClient()
-- 
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