radiotray-ng: bump to C++17 to fix link against jsoncpp 1.9.7

pkgs/by-name/ra/radiotray-ng/package.nix

@@ -87,7 +87,6 @@ stdenv.mkDerivation (finalAttrs: {
 
   patches = [
     ./no-dl-googletest.patch
-    ./tests-c++17.patch
   ];
 
   postPatch = ''
@@ -96,6 +95,10 @@ stdenv.mkDerivation (finalAttrs: {
     done
     substituteInPlace package/CMakeLists.txt --replace /etc/xdg/autostart $out/etc/xdg/autostart
 
+    # jsoncpp 1.9.7 only exports std::string_view overloads under C++17
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "set(CMAKE_CXX_STANDARD 14)" "set(CMAKE_CXX_STANDARD 17)"
+
     # We don't find the radiotray-ng-notification icon otherwise
     substituteInPlace data/radiotray-ng.desktop \
       --replace radiotray-ng-notification radiotray-ng-on

pkgs/by-name/ra/radiotray-ng/tests-c++17.patch

@@ -1,12 +0,0 @@
-diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
-index 58ab5c2..4f56a25 100644
---- a/tests/CMakeLists.txt
-+++ b/tests/CMakeLists.txt
-@@ -1,5 +1,7 @@
- include(GoogleTest)
- 
-+set(CMAKE_CXX_STANDARD 17)
-+
- function(add_gmock_test target)
-     add_executable(${target} ${ARGN})
-     target_link_libraries(${target} config playlist bookmarks event_bus ${GMOCK_BOTH_LIBRARIES} ${XDG_BASEDIR_LIBRARIES} ${Boost_LIBRARIES} ${CURL_LIBRARIES} ${JSONCPP_LIBRARIES} pthread)