jiridanek commented on a change in pull request #1006:
URL: https://github.com/apache/qpid-dispatch/pull/1006#discussion_r566865772



##########
File path: CMakeLists.txt
##########
@@ -65,6 +65,8 @@ message(STATUS "Found Proton: ${Proton_LIBRARIES} (found 
version \"${Proton_VERS
 
 # http2 support is optional
 find_package(libnghttp2 1.4.0)
+CMAKE_DEPENDENT_OPTION(USE_LIBNGHTTP2 "Use libnghttp2 for HTTP/2 support" ON
+                         "libnghttp2_FOUND" OFF)

Review comment:
       It is the same pattern that is used for libwebsockets defined below 
this. It is not needed, but I think that Alan did nice work about CMake 
definitions for libwebsockets.
   
   The reason for not using `libnghttp2_FOUND` everywhere in the CMakeLists.txt 
is that "the decision to use the library in compiling dispatch does not only 
depend on whether the library is present, but the user should also have the 
option to choose whether the library should be used".




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