From a477945f88c295fcd186286ebd0260b8762d2e9f Mon Sep 17 00:00:00 2001
From: tytan652 <tytan652@tytanium.xyz>
Date: Sat, 13 Jan 2024 15:48:16 +0100
Subject: [PATCH] cmake,lib,base: Export obs-websocket-api as a target

This enables the installation of the header in the include directory
---
 CMakeLists.txt                         |  4 +++-
 cmake/legacy.cmake                     | 17 ++++++++++++++++-
 cmake/obs-websocket-api.cmake          | 14 ++++++++++++++
 cmake/obs-websocket-apiConfig.cmake.in |  8 ++++++++
 src/WebSocketApi.h                     |  3 +--
 5 files changed, 42 insertions(+), 4 deletions(-)
 create mode 100644 cmake/obs-websocket-api.cmake
 create mode 100644 cmake/obs-websocket-apiConfig.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9d7c36e3..1affd0911 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,8 @@ legacy_check()
 set(obs-websocket_VERSION 5.4.2)
 set(OBS_WEBSOCKET_RPC_VERSION 1)
 
+include(cmake/obs-websocket-api.cmake)
+
 option(ENABLE_WEBSOCKET "Enable building OBS with websocket plugin" ON)
 if(NOT ENABLE_WEBSOCKET)
   target_disable(obs-websocket)
@@ -34,7 +36,6 @@ add_library(OBS::websocket ALIAS obs-websocket)
 target_sources(
   obs-websocket
   PRIVATE # cmake-format: sortable
-          lib/obs-websocket-api.h
           src/Config.cpp
           src/Config.h
           src/forms/ConnectInfo.cpp
@@ -154,6 +155,7 @@ target_link_libraries(
   obs-websocket
   PRIVATE OBS::libobs
           OBS::frontend-api
+          OBS::websocket-api
           Qt::Core
           Qt::Widgets
           Qt::Svg
diff --git a/cmake/legacy.cmake b/cmake/legacy.cmake
index a22caf241..2cd327ebb 100644
--- a/cmake/legacy.cmake
+++ b/cmake/legacy.cmake
@@ -3,6 +3,21 @@ set(OBS_WEBSOCKET_RPC_VERSION 1)
 
 option(ENABLE_WEBSOCKET "Enable building OBS with websocket plugin" ON)
 
+add_library(obs-websocket-api INTERFACE)
+add_library(OBS::websocket-api ALIAS obs-websocket-api)
+
+target_sources(obs-websocket-api INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/obs-websocket-api.h>
+                                           $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}/obs-websocket-api.h>)
+
+target_link_libraries(obs-websocket-api INTERFACE OBS::libobs)
+
+target_include_directories(obs-websocket-api INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib>
+                                                       $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>)
+
+set_target_properties(obs-websocket-api PROPERTIES PUBLIC_HEADER lib/obs-websocket-api.h)
+
+export_target(obs-websocket-api)
+
 if(NOT ENABLE_WEBSOCKET OR NOT ENABLE_UI)
   message(STATUS "OBS:  DISABLED   obs-websocket")
   return()
@@ -56,7 +71,6 @@ target_sources(
           src/obs-websocket.h
           src/Config.cpp
           src/Config.h
-          lib/obs-websocket-api.h
           src/forms/SettingsDialog.cpp
           src/forms/SettingsDialog.h
           src/forms/ConnectInfo.cpp
@@ -133,6 +147,7 @@ target_link_libraries(
   obs-websocket
   PRIVATE OBS::libobs
           OBS::frontend-api
+          OBS::websocket-api
           Qt::Core
           Qt::Widgets
           Qt::Svg
diff --git a/cmake/obs-websocket-api.cmake b/cmake/obs-websocket-api.cmake
new file mode 100644
index 000000000..2a6c8121c
--- /dev/null
+++ b/cmake/obs-websocket-api.cmake
@@ -0,0 +1,14 @@
+add_library(obs-websocket-api INTERFACE)
+add_library(OBS::websocket-api ALIAS obs-websocket-api)
+
+target_sources(obs-websocket-api INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib/obs-websocket-api.h>
+                                           $<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}/obs-websocket-api.h>)
+
+target_link_libraries(obs-websocket-api INTERFACE OBS::libobs)
+
+target_include_directories(obs-websocket-api INTERFACE "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/lib>"
+                                                       "$<INSTALL_INTERFACE:${OBS_INCLUDE_DESTINATION}>")
+
+set_target_properties(obs-websocket-api PROPERTIES PREFIX "" PUBLIC_HEADER lib/obs-websocket-api.h)
+
+target_export(obs-websocket-api)
diff --git a/cmake/obs-websocket-apiConfig.cmake.in b/cmake/obs-websocket-apiConfig.cmake.in
new file mode 100644
index 000000000..fcc2f62a9
--- /dev/null
+++ b/cmake/obs-websocket-apiConfig.cmake.in
@@ -0,0 +1,8 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+find_dependency(libobs REQUIRED)
+
+include("${CMAKE_CURRENT_LIST_DIR}/@TARGETS_EXPORT_NAME@.cmake")
+check_required_components("@PROJECT_NAME@")
diff --git a/src/WebSocketApi.h b/src/WebSocketApi.h
index cb8b98169..35d9ecd5c 100644
--- a/src/WebSocketApi.h
+++ b/src/WebSocketApi.h
@@ -24,8 +24,7 @@ with this program. If not, see <https://www.gnu.org/licenses/>
 #include <mutex>
 #include <shared_mutex>
 #include <obs.h>
-
-#include "../lib/obs-websocket-api.h"
+#include <obs-websocket-api.h>
 
 class WebSocketApi {
 public: