Linux: Allow connecting Wiimotes via L2CAP (#1353)

Author: capitalistspz

.github/workflows/build.yml

@@ -39,7 +39,7 @@ jobs:
     - name: "Install system dependencies"
       run: |
         sudo apt update -qq
-        sudo apt install -y clang-15 cmake freeglut3-dev libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev libudev-dev nasm ninja-build
+        sudo apt install -y clang-15 cmake freeglut3-dev libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev libudev-dev nasm ninja-build libbluetooth-dev
 
     - name: "Setup cmake"
       uses: jwlawson/actions-setup-cmake@v2
@@ -96,7 +96,7 @@ jobs:
     - name: "Install system dependencies"
       run: |
         sudo apt update -qq
-        sudo apt install -y clang-15 cmake freeglut3-dev libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev nasm ninja-build appstream
+        sudo apt install -y clang-15 cmake freeglut3-dev libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev nasm ninja-build appstream libbluetooth-dev
 
     - name: "Build AppImage"
       run: |

BUILD.md

@@ -46,18 +46,18 @@ To compile Cemu, a recent enough compiler and STL with C++20 support is required
 ### Dependencies
 
 #### For Arch and derivatives:
-`sudo pacman -S --needed base-devel clang cmake freeglut git glm gtk3 libgcrypt libpulse libsecret linux-headers llvm nasm ninja systemd unzip zip`
+`sudo pacman -S --needed base-devel bluez-libs clang cmake freeglut git glm gtk3 libgcrypt libpulse libsecret linux-headers llvm nasm ninja systemd unzip zip`
 
 #### For Debian, Ubuntu and derivatives:
-`sudo apt install -y cmake curl clang-15 freeglut3-dev git libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev libtool nasm ninja-build`
+`sudo apt install -y cmake curl clang-15 freeglut3-dev git libbluetooth-dev libgcrypt20-dev libglm-dev libgtk-3-dev libpulse-dev libsecret-1-dev libsystemd-dev libtool nasm ninja-build`
 
 You may also need to install `libusb-1.0-0-dev` as a workaround for an issue with the vcpkg hidapi package.
 
 At Step 3 in [Build Cemu using cmake and clang](#build-cemu-using-cmake-and-clang), use the following command instead:
    `cmake -S . -B build -DCMAKE_BUILD_TYPE=release -DCMAKE_C_COMPILER=/usr/bin/clang-15 -DCMAKE_CXX_COMPILER=/usr/bin/clang++-15 -G Ninja -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja`
 
 #### For Fedora and derivatives:
-`sudo dnf install clang cmake cubeb-devel freeglut-devel git glm-devel gtk3-devel kernel-headers libgcrypt-devel libsecret-devel libtool libusb1-devel llvm nasm ninja-build perl-core systemd-devel zlib-devel zlib-static`
+`sudo dnf install bluez-libs clang cmake cubeb-devel freeglut-devel git glm-devel gtk3-devel kernel-headers libgcrypt-devel libsecret-devel libtool libusb1-devel llvm nasm ninja-build perl-core systemd-devel zlib-devel zlib-static`
 
 ### Build Cemu
 

CMakeLists.txt

@@ -98,6 +98,7 @@ endif()
 if (UNIX AND NOT APPLE)
 	option(ENABLE_WAYLAND "Build with Wayland support" ON)
 	option(ENABLE_FERAL_GAMEMODE "Enables Feral Interactive GameMode Support" ON)
+	option(ENABLE_BLUEZ "Build with Bluez support" ON)
 endif()
 
 option(ENABLE_OPENGL "Enables the OpenGL backend" ON)
@@ -179,6 +180,12 @@ if (UNIX AND NOT APPLE)
 	endif()
 	find_package(GTK3 REQUIRED)
 
+	if(ENABLE_BLUEZ)
+		find_package(bluez REQUIRED)
+		set(ENABLE_WIIMOTE ON)
+		add_compile_definitions(HAS_BLUEZ)
+	endif()
+
 endif()
 
 if (ENABLE_VULKAN)

cmake/Findbluez.cmake

@@ -0,0 +1,20 @@
+# SPDX-FileCopyrightText: 2022 Andrea Pappacoda <[email protected]>
+# SPDX-License-Identifier: ISC
+
+find_package(bluez CONFIG)
+if (NOT bluez_FOUND)
+  find_package(PkgConfig)
+  if (PKG_CONFIG_FOUND)
+    pkg_search_module(bluez IMPORTED_TARGET GLOBAL bluez-1.0 bluez)
+    if (bluez_FOUND)
+      add_library(bluez::bluez ALIAS PkgConfig::bluez)
+    endif ()
+  endif ()
+endif ()
+
+find_package_handle_standard_args(bluez
+    REQUIRED_VARS
+    bluez_LINK_LIBRARIES
+    bluez_FOUND
+    VERSION_VAR bluez_VERSION
+)