Merge 710a0bb52f into 433412fd84

This change resolves "ignoring duplicate libraries" linker warnings on
macOS.

src/test/CMakeLists.txt

@@ -14,6 +14,12 @@ generate_header_from_json(data/tx_invalid.json)
 generate_header_from_json(data/tx_valid.json)
 generate_header_from_raw(data/asmap.raw test::data)
 
+if(POLICY CMP0156)
+  # De-duplicate libraries on link lines based on linker capabilities.
+  # See: https://cmake.org/cmake/help/latest/policy/CMP0156.html
+  cmake_policy(SET CMP0156 NEW)
+endif()
+
 # Do not use generator expressions in test sources because the
 # SOURCES property is processed to gather test suite macros.
 add_executable(test_bitcoin

src/test/fuzz/CMakeLists.txt

@@ -4,6 +4,12 @@
 
 add_subdirectory(util)
 
+if(POLICY CMP0156)
+  # De-duplicate libraries on link lines based on linker capabilities.
+  # See: https://cmake.org/cmake/help/latest/policy/CMP0156.html
+  cmake_policy(SET CMP0156 NEW)
+endif()
+
 add_executable(fuzz
   addition_overflow.cpp
   addrman.cpp