$NetBSD: patch-CMakeLists.txt,v 1.4 2020/05/30 06:09:47 adam Exp $

Make so version match symlink versions.
Remove -Werror=conversion.

--- CMakeLists.txt.orig	2020-05-29 13:50:26.000000000 +0000
+++ CMakeLists.txt
@@ -71,7 +71,7 @@ project(JSONCPP
         LANGUAGES CXX)
 
 message(STATUS "JsonCpp Version: ${JSONCPP_VERSION_MAJOR}.${JSONCPP_VERSION_MINOR}.${JSONCPP_VERSION_PATCH}")
-set(JSONCPP_SOVERSION 24)
+set(JSONCPP_SOVERSION ${JSONCPP_VERSION_MAJOR})
 
 option(JSONCPP_WITH_TESTS "Compile and (for jsoncpp_check) run JsonCpp test executables" ON)
 option(JSONCPP_WITH_POST_BUILD_UNITTEST "Automatically run unit-tests as a post build step" ON)
@@ -120,7 +120,7 @@ endif()
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     # using regular Clang or AppleClang
-    add_compile_options(-Wall -Wconversion -Wshadow -Werror=conversion -Werror=sign-compare)
+    add_compile_options(-Wall -Wconversion -Wshadow -Werror=sign-compare)
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     # using GCC
     add_compile_options(-Wall -Wconversion -Wshadow -Wextra)
