1 diff --git a/src/hpdf_image_ccitt.c b/src/hpdf_image_ccitt.c
2 index 2937fc90d..a1a35d0ed 100644
3 --- a/src/hpdf_image_ccitt.c
4 +++ b/src/hpdf_image_ccitt.c
12 typedef unsigned int uint32;
13 diff --git a/CMakeLists.txt b/CMakeLists.txt
14 index 354ca7526..ee301d9af 100644
17 @@ -99,6 +99,8 @@ if(PNG_FOUND)
18 set(ADDITIONAL_LIBRARIES ${ADDITIONAL_LIBRARIES} ${PNG_LIBRARIES})
21 +find_package(TIFF REQUIRED)
22 +list(APPEND ADDITIONAL_LIBRARIES TIFF::TIFF)
24 # =======================================================================
25 # configure header files, add compiler flags