File clementine-protobuf.patch of Package clementine

From d23f4a3f4111a4b213a32b2aea81af7f09582ed9 Mon Sep 17 00:00:00 2001
From: Jonas Kvinge <jonas@jkvinge.net>
Date: Sun, 17 Mar 2024 15:06:38 +0100
Subject: [PATCH 2/3] Fix build with protobuf 22 and higher

We need to use `find_package(Protobuf CONFIG)` to use the CMake files provided by Protobuf instead of CMake, for more information see:

https://gitlab.kitware.com/cmake/cmake/-/issues/25079

Adapt to protobuf_generate

Signed-off-by: Jonas Kvinge <jonas@jkvinge.net>
---
 CMakeLists.txt                               |  5 ++++-
 ext/libclementine-remote/CMakeLists.txt      | 18 +++++++++++-------
 ext/libclementine-spotifyblob/CMakeLists.txt | 10 +++-------
 ext/libclementine-tagreader/CMakeLists.txt   | 20 ++++++++++++--------
 4 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 759d673..20e5a71 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,7 +49,10 @@ endif(OPENGL_FOUND)
 find_package(Boost REQUIRED)
 find_package(Gettext REQUIRED)
 find_package(PkgConfig REQUIRED)
-find_package(Protobuf REQUIRED)
+find_package(Protobuf CONFIG)
+if(NOT Protobuf_FOUND)
+  find_package(Protobuf REQUIRED)
+endif()
 find_package(FFTW3)
 find_package(ALSA)
 if (NOT APPLE)
diff --git a/ext/libclementine-remote/CMakeLists.txt b/ext/libclementine-remote/CMakeLists.txt
index 5f860fb..5c926c9 100644
--- a/ext/libclementine-remote/CMakeLists.txt
+++ b/ext/libclementine-remote/CMakeLists.txt
@@ -1,17 +1,21 @@
-include_directories(${PROTOBUF_INCLUDE_DIRS})
+# Workaround a bug in protobuf-generate.cmake (https://github.com/protocolbuffers/protobuf/issues/12450)
+if(NOT protobuf_PROTOC_EXE)
+  set(protobuf_PROTOC_EXE "protobuf::protoc")
+endif()
 
-set(MESSAGES
-  remotecontrolmessages.proto
-)
+if(NOT Protobuf_LIBRARIES)
+  set(Protobuf_LIBRARIES protobuf::libprotobuf)
+endif()
 
-protobuf_generate_cpp(PROTO_SOURCES PROTO_HEADERS ${MESSAGES})
+include_directories(${PROTOBUF_INCLUDE_DIRS})
 
 add_library(libclementine-remote STATIC
-  ${PROTO_SOURCES}
+  remotecontrolmessages.proto
 )
 
 target_link_libraries(libclementine-remote
-  ${PROTOBUF_LIBRARY}
+  ${Protobuf_LIBRARIES}
   libclementine-common
 )
 
+protobuf_generate(TARGET libclementine-remote)
diff --git a/ext/libclementine-spotifyblob/CMakeLists.txt b/ext/libclementine-spotifyblob/CMakeLists.txt
index 7a73b14..bf587ff 100644
--- a/ext/libclementine-spotifyblob/CMakeLists.txt
+++ b/ext/libclementine-spotifyblob/CMakeLists.txt
@@ -3,16 +3,12 @@ include_directories(${PROTOBUF_INCLUDE_DIRS})
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/blobversion.h.in
                ${CMAKE_CURRENT_BINARY_DIR}/blobversion.h)
 
-set(MESSAGES
-  spotifymessages.proto
-)
-
-protobuf_generate_cpp(PROTO_SOURCES PROTO_HEADERS ${MESSAGES})
-
 add_library(clementine-spotifyblob-messages STATIC
-  ${PROTO_SOURCES}
+  spotifymessages.proto
 )
 
 target_link_libraries(clementine-spotifyblob-messages
   libclementine-common
 )
+
+protobuf_generate(TARGET clementine-spotifyblob-messages)
diff --git a/ext/libclementine-tagreader/CMakeLists.txt b/ext/libclementine-tagreader/CMakeLists.txt
index c51dbaf..4c24bc0 100644
--- a/ext/libclementine-tagreader/CMakeLists.txt
+++ b/ext/libclementine-tagreader/CMakeLists.txt
@@ -1,16 +1,22 @@
+# Workaround a bug in protobuf-generate.cmake (https://github.com/protocolbuffers/protobuf/issues/12450)
+if(NOT protobuf_PROTOC_EXE)
+  set(protobuf_PROTOC_EXE "protobuf::protoc")
+endif()
+
+if(NOT Protobuf_LIBRARIES)
+  set(Protobuf_LIBRARIES protobuf::libprotobuf)
+endif()
+
 include_directories(${PROTOBUF_INCLUDE_DIRS})
 include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 include_directories(${CMAKE_SOURCE_DIR}/ext/libclementine-common)
 
-set(MESSAGES
-  tagreadermessages.proto
-)
-
 set(SOURCES
   fmpsparser.cpp
   tagreader.cpp
   gmereader.cpp
+  tagreadermessages.proto
 )
 
 set(HEADERS
@@ -26,16 +32,14 @@ optional_source(HAVE_GOOGLE_DRIVE
 
 qt5_wrap_cpp(MOC ${HEADERS})
 
-protobuf_generate_cpp(PROTO_SOURCES PROTO_HEADERS ${MESSAGES})
-
 add_library(libclementine-tagreader STATIC
-  ${PROTO_SOURCES}
   ${SOURCES}
   ${MOC}
 )
 
 target_link_libraries(libclementine-tagreader
-  ${PROTOBUF_LIBRARY}
+  ${Protobuf_LIBRARIES}
   libclementine-common
 )
 
+protobuf_generate(TARGET libclementine-tagreader)
-- 
2.44.0