From a196d4403df91bdc7803a37ca46bb933c2501457 Mon Sep 17 00:00:00 2001
From: Stephen White <senorblanco@chromium.org>
Date: Fri, 7 Aug 2026 11:08:38 -0400
Subject: [PATCH] Check JPEG_FOUND before finding the JPEG package.

Check for JPEG_FOUND before calling find_package(JPEG). This allows a
project which depends libturbo-jpeg already via add_subdirectory() to
share that implementation with libultrahdr.
---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69a249b5..9f858901 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -423,7 +423,7 @@ if(UHDR_ENABLE_GLES)
 endif()
 
 # libjpeg-turbo
-if(NOT UHDR_BUILD_DEPS)
+if(NOT UHDR_BUILD_DEPS AND NOT JPEG_FOUND)
   find_package(JPEG QUIET)
   if(NOT JPEG_FOUND)
     message(FATAL_ERROR "Could NOT find JPEG (missing: JPEG_LIBRARIES JPEG_INCLUDE_DIRS),\