From 5906db11daf53cd11df9c32835aae9a05b498e89 Mon Sep 17 00:00:00 2001
From: tastytea <tastytea@tastytea.de>
Date: Fri, 1 May 2020 20:30:07 +0200
Subject: [PATCH] Change jsoncpp discovery from CMake to pkg-config.

CMake is deprecated by upstream.
---
 CMakeLists.txt       | 3 ++-
 src/CMakeLists.txt   | 2 +-
 tests/CMakeLists.txt | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ada646e..a2a1b56 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,7 +41,8 @@ else()
   add_link_options("$<$<CONFIG:Debug>:${DEBUG_LDFLAGS}>")
 endif()
 
-find_package(jsoncpp CONFIG REQUIRED)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(jsoncpp REQUIRED IMPORTED_TARGET jsoncpp)
 # Some distributions do not contain Poco*Config.cmake recipes.
 find_package(Poco COMPONENTS Foundation Net NetSSL CONFIG)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a4792c1..2efd0ae 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -11,7 +11,7 @@ target_include_directories(${PROJECT_NAME}
   PRIVATE "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>")
 
 target_link_libraries(${PROJECT_NAME}
-  PRIVATE jsoncpp_lib)
+  PRIVATE PkgConfig::jsoncpp)
 
 # If no Poco*Config.cmake recipes are found, look for headers in standard dirs.
 if(PocoNetSSL_FOUND)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6094c72..f934cd4 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -9,7 +9,7 @@ target_include_directories(${PROJECT_NAME}_testlib
   "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/src>")
 
 target_link_libraries(${PROJECT_NAME}_testlib
-  PRIVATE Poco::Foundation Poco::Net Poco::NetSSL jsoncpp_lib)
+  PRIVATE Poco::Foundation Poco::Net Poco::NetSSL PkgConfig::jsoncpp)
 
 file(GLOB sources_tests test_*.cpp)