working

Author: grdanny

src/ffmpeg.imageio/CMakeLists.txt

@@ -3,22 +3,30 @@
 # https://github.com/OpenImageIO/oiio
 
 if (FFmpeg_FOUND)
-   # TODO - remove NOT
-   if (NOT LINKSTATIC)
+   if (LINKSTATIC)
     if (WIN32)
-        set (STATIC_SUFFIXES .lib .a)
+        set (_static_suffixes .lib .a)
     else ()
-        set (STATIC_SUFFIXES .a .so)
+        set (_static_suffixes .a)
     endif ()
 
-    foreach(ffmpeg_library IN LISTS FFMPEG_LIBRARIES)
-       get_filename_component(_ext ${ffmpeg_library} LAST_EXT) # .txt
-       list (FIND STATIC_SUFFIXES ${_ext} _index)
+    set (_static_libraries_found 0)
+    foreach(_ffmpeg_library IN LISTS FFMPEG_LIBRARIES)
+       get_filename_component(_ext ${_ffmpeg_library} LAST_EXT)
+       list (FIND _static_suffixes ${_ext} _index)
        if (${_index} GREATER -1)
-         message(STATUS "found static version of ffmpeg library ${ffmpeg_library}")
-         message(STATUS "...")
+         MATH(EXPR _static_libraries_found "${static_libraries_found}+1")
        endif()
     endforeach()
+
+    if (${_static_libraries_found} GREATER 0)
+     message("${ColorRed}")
+     message(STATUS "Looks like you are linking against some static ffmpeg libraries: ${FFMPEG_LIBRARIES}")
+     message(STATUS "ffmpeg is a LGPL-licensed library")
+     message(STATUS "When linking statically against a LGPL-licensed library your entire project needs to be under LGPL")
+     message("${ColorReset}")
+    endif()
+
    endif()
 
 

src/heif.imageio/CMakeLists.txt

@@ -3,6 +3,33 @@
 # https://github.com/OpenImageIO/oiio
 
 if (Libheif_FOUND)
+   if (LINKSTATIC)
+    if (WIN32)
+        set (_static_suffixes .lib .a)
+    else ()
+        set (_static_suffixes .a)
+    endif ()
+
+    set (_static_libraries_found 0)
+    foreach(_libeheif_library IN LISTS LIBHEIF_LIBRARIES)
+       get_filename_component(_ext ${_libeheif_library} LAST_EXT)
+       list (FIND _static_suffixes ${_ext} _index)
+       if (${_index} GREATER -1)
+         MATH(EXPR _static_libraries_found "${static_libraries_found}+1")
+       endif()
+    endforeach()
+
+    if (${_static_libraries_found} GREATER 0)
+     message("${ColorRed}")
+     message(STATUS "Looks like you are linking against some static libheif libraries")
+     message(STATUS "libheif is a LGPL-licensed library")
+     message(STATUS "When linking statically against a LGPL-licensed library your entire project needs to be under LGPL")
+     message("${ColorReset}")
+    endif()
+
+   endif()
+
+
     add_oiio_plugin (heifinput.cpp heifoutput.cpp
                      INCLUDE_DIRS ${LIBHEIF_INCLUDES}
                      LINK_LIBRARIES ${LIBHEIF_LIBRARIES}