https://github.com/archlinux/svntogit-community/blob/0eb74a76c976a7fd638fbf6cd1c3b47be3dccd8b/trunk/shared_cpp_hcon.patch

diff --git a/cmake/FindCPPHOCON.cmake b/cmake/FindCPPHOCON.cmake
index 00ba8bd..0df0a51 100644
--- a/cmake/FindCPPHOCON.cmake
+++ b/cmake/FindCPPHOCON.cmake
@@ -1,5 +1,5 @@
 include(FindDependency)
-find_dependency(CPPHOCON DISPLAY "cpp-hocon" HEADERS "hocon/config.hpp" LIBRARIES "libcpp-hocon.a")
+find_dependency(CPPHOCON DISPLAY "cpp-hocon" HEADERS "hocon/config.hpp" LIBRARIES "libcpp-hocon.so")
 
 include(FeatureSummary)
 set_package_properties(CPPHOCON PROPERTIES DESCRIPTION "A C++ parser for the HOCON configuration language" URL "https://github.com/puppetlabs/cpp-hocon")
