From caf7c55785ed0d259486c6bb80843bbc3dcc9cba Mon Sep 17 00:00:00 2001
From: Alexey Sokolov <alexey@asokolov.org>
Date: Tue, 8 Apr 2025 21:08:41 +0100
Subject: [PATCH] Fix regression of #2121 (#2126)

---
 cmake/httplibConfig.cmake.in | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/cmake/httplibConfig.cmake.in b/cmake/httplibConfig.cmake.in
index bf57364..19dbe69 100644
--- a/cmake/httplibConfig.cmake.in
+++ b/cmake/httplibConfig.cmake.in
@@ -39,7 +39,25 @@ if(@HTTPLIB_IS_USING_BROTLI@)
 endif()
 
 if(@HTTPLIB_IS_USING_ZSTD@)
-	find_dependency(zstd)
+	set(httplib_fd_zstd_quiet_arg)
+	if(${CMAKE_FIND_PACKAGE_NAME}_FIND_QUIETLY)
+		set(httplib_fd_zstd_quiet_arg QUIET)
+	endif()
+	set(httplib_fd_zstd_required_arg)
+	if(${CMAKE_FIND_PACKAGE_NAME}_FIND_REQUIRED)
+		set(httplib_fd_zstd_required_arg REQUIRED)
+	endif()
+	find_package(zstd QUIET)
+	if(NOT zstd_FOUND)
+		find_package(PkgConfig ${httplib_fd_zstd_quiet_arg} ${httplib_fd_zstd_required_arg})
+		if(PKG_CONFIG_FOUND)
+			pkg_check_modules(zstd ${httplib_fd_zstd_quiet_arg} ${httplib_fd_zstd_required_arg} IMPORTED_TARGET libzstd)
+
+			if(TARGET PkgConfig::zstd)
+				add_library(zstd::libzstd ALIAS PkgConfig::zstd)
+			endif()
+		endif()
+	endif()
 	set(httplib_zstd_FOUND ${zstd_FOUND})
 endif()