From 00df833c542f6af4978168835480aeddc5e27832 Mon Sep 17 00:00:00 2001
From: PixlOne <8843371+PixlOne@users.noreply.github.com>
Date: Sun, 22 Sep 2019 22:33:11 -0400
Subject: [PATCH] Add libhidpp as submodule

---
 .gitmodules              |  4 ++++
 README.md                |  4 ++--
 src/logid/CMakeLists.txt | 33 +++++++++++++++++++++++++++++++++
 src/logid/hidpp          |  1 +
 4 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 .gitmodules
 create mode 160000 src/logid/hidpp

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..052fd29
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "src/logid/hidpp"]
+	path = src/logid/hidpp
+	url = https://github.com/PixlOne/hidpp.git
+	branch = master
diff --git a/README.md b/README.md
index 8c4e1b5..29a4a98 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ You may also refer to logid.example.cfg for an example.
 
 ## Building
 
-This project requires a C++14 compiler, cmake, libevdev, libconfig, and [my fork of libhidpp](https://github.com/PixlOne/hidpp)
+This project requires a C++14 compiler, cmake, libevdev, libudev, and libconfig
 
 To build this project, run:
 
@@ -34,4 +34,4 @@ To install, run `sudo make install` after building. You can set the daemon to st
 |   K350    |  Untested   |
 |   M325c   |  Untested   |
 
-I own the MX Master, T400, K400r, K350, and M325c. Feel free to add to this list if you can test any additional devices.
\ No newline at end of file
+I own the MX Master, T400, K400r, K350, and M325c. Feel free to add to this list if you can test any additional devices.
diff --git a/src/logid/CMakeLists.txt b/src/logid/CMakeLists.txt
index 103efe9..6a2b52f 100644
--- a/src/logid/CMakeLists.txt
+++ b/src/logid/CMakeLists.txt
@@ -37,6 +37,39 @@ find_library(EVDEV_LIBRARY
 
 include_directories(${HIDPP_INCLUDE_DIR}/hidpp ${EVDEV_INCLUDE_DIR})
 
+
+if((NOT HIDPP_INCLUDE_DIR) OR (NOT EXISTS ${HIDPP_INCLUDE_DIR}) OR (NOT HIDPP_LIBRARY) OR FORCE_BUILD_HIDPP)
+    message("Could not find libhidpp include dir, getting submodule")
+
+    execute_process(COMMAND git submodule update --init -- hidpp
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
+
+    if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+	    set(DEFAULT_HID_BACKEND "linux")
+    elseif(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
+	    set(DEFAULT_HID_BACKEND "windows")
+    else()
+	    message(WARNING "System is not supported")
+    endif()
+
+    set(HID_BACKEND "${DEFAULT_HID_BACKEND}" CACHE STRING "Backend used for accessing HID devices")
+    set_property(CACHE HID_BACKEND PROPERTY STRINGS linux windows)
+    
+    if("${HID_BACKEND}" STREQUAL "linux")
+	    pkg_check_modules(LIBUDEV libudev REQUIRED)
+    elseif("${HID_BACKEND}" STREQUAL "windows")
+    	add_definitions(-DUNICODE -D_UNICODE)
+	    add_definitions(-D_WIN32_WINNT=0x0600) # Use vista or later
+    else()
+	    message(FATAL_ERROR "HID_BACKEND is invalid.")
+    endif()
+
+    add_subdirectory(hidpp/src/libhidpp)
+
+    set(HIDPP_INCLUDE_DIR "hidpp/src/libhidpp/")
+    set(HIDPP_LIBRARY hidpp)
+endif()
+
 target_link_libraries(logid ${CMAKE_THREAD_LIBS_INIT} ${EVDEV_LIBRARY} config++ ${HIDPP_LIBRARY})
 
 install(TARGETS logid DESTINATION bin)
diff --git a/src/logid/hidpp b/src/logid/hidpp
new file mode 160000
index 0000000..d124f4e
--- /dev/null
+++ b/src/logid/hidpp
@@ -0,0 +1 @@
+Subproject commit d124f4ecf99ba73a3a190c8a60015d9916b25dc0