libwebp stuff

0001-deps-use-pkg-config-instead-of-find_package.patch

From 45b4f838eb4314b27d44983eb5ce054e565ea121 Mon Sep 17 00:00:00 2001
From: Christopher Degawa <ccom@randomderp.com>
Date: Wed, 23 Jun 2021 21:50:28 -0500
Subject: [PATCH] deps: use pkg-config instead of find_package

Signed-off-by: Christopher Degawa <ccom@randomderp.com>
Change-Id: I1e415a04064c451a988e1544485569d6c9483a85
---
 cmake/deps.cmake | 30 ++++++++----------------------
 1 file changed, 8 insertions(+), 22 deletions(-)

diff --git a/cmake/deps.cmake b/cmake/deps.cmake
index 6df2db68..9269a6fe 100644
--- a/cmake/deps.cmake
+++ b/cmake/deps.cmake
@@ -71,29 +71,15 @@ if(NOT HAVE_MATH_LIBRARY)
 endif()
 
 # Find the standard image libraries.
-set(WEBP_DEP_IMG_LIBRARIES)
-set(WEBP_DEP_IMG_INCLUDE_DIRS)
-find_package(PNG)
-set(WEBP_HAVE_PNG ${PNG_FOUND})
-if(PNG_FOUND)
-  list(APPEND WEBP_DEP_IMG_LIBRARIES PNG::PNG)
-endif()
-find_package(JPEG)
-set(WEBP_HAVE_JPEG ${JPEG_FOUND})
-if(JPEG_FOUND)
-  if(TARGET JPEG::JPEG)
-    list(APPEND WEBP_DEP_IMG_LIBRARIES JPEG::JPEG)
-  else()
-    list(APPEND WEBP_DEP_IMG_LIBRARIES ${JPEG_LIBRARIES})
-    list(APPEND WEBP_DEP_IMG_INCLUDE_DIRS ${JPEG_INCLUDE_DIR}
-                ${JPEG_INCLUDE_DIRS})
-  endif()
-endif()
-find_package(TIFF)
+find_package(PkgConfig)
+pkg_check_modules(WEBP_DEP_IMG libtiff-4 libjpeg libpng)
+pkg_check_modules(TIFF libtiff-4)
 set(WEBP_HAVE_TIFF ${TIFF_FOUND})
-if(TIFF_FOUND)
-  list(APPEND WEBP_DEP_IMG_LIBRARIES TIFF::TIFF)
-endif()
+pkg_check_modules(JPEG libjpeg)
+set(WEBP_HAVE_JPEG ${JPEG_FOUND})
+pkg_check_modules(PNG libpng)
+set(WEBP_HAVE_PNG ${PNG_FOUND})
+
 if(WEBP_DEP_IMG_INCLUDE_DIRS)
   list(REMOVE_DUPLICATES WEBP_DEP_IMG_INCLUDE_DIRS)
 endif()
-- 
2.32.0