From 936616a4c8943dc8ef26174b945f779a0a4d7cb3 Mon Sep 17 00:00:00 2001
From: Bastien <bastien@magestik.fr>
Date: Wed, 19 Sep 2018 13:20:43 +0200
Subject: [PATCH] Add FindOpenHMD.cmake

---
 CMakeLists.txt                  |  4 ++--
 cmake/Modules/FindOpenHMD.cmake | 24 ++++++++++++++++++++++++
 examples/opengl/CMakeLists.txt  |  2 +-
 3 files changed, 27 insertions(+), 3 deletions(-)
 create mode 100644 cmake/Modules/FindOpenHMD.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c87d141..8603eb4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.1)
 
 project(Linux-VR-Compositor C)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
 set(CMAKE_CXX_VISIBILITY_PRESET hidden)
 set(CMAKE_VISIBILITY_INLINES_HIDDEN ON)
@@ -13,7 +13,7 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -ansi -pedantic -Werror=implic
 option(ENABLE_XCB "Enable XCB" ON)
 
 find_package(OpenGL REQUIRED)
-find_package(openhmd REQUIRED)
+find_package(OpenHMD REQUIRED)
 
 add_library(lvrc include/lvrc.h src/lvrc.c src/lvrc_internal.h src/instance.c src/instance.h src/swapChain.c src/swapChain.h src/frame.c src/frame.h)
 
diff --git a/cmake/Modules/FindOpenHMD.cmake b/cmake/Modules/FindOpenHMD.cmake
new file mode 100644
index 0000000..2be9692
--- /dev/null
+++ b/cmake/Modules/FindOpenHMD.cmake
@@ -0,0 +1,24 @@
+# - Check for the presence of OpenHMD
+#
+# The following variables are set when OpenHMD is found:
+#  OpenHMD_FOUND       = Set to true, if all components of OpenHMD have been found.                      
+#  OpenHMD_INCLUDE_DIR = Include path for the header files of OpenHMD
+#  OpenHMD_LIBRARY     = Link these to use OpenHMD
+
+## -----------------------------------------------------------------------------
+## Check for the header files
+
+find_path(OpenHMD_INCLUDE_DIR openhmd.h PATHS /usr/local/include /usr/include /sw/include)
+find_library(OpenHMD_LIBRARY openhmd PATHS /usr/local/lib /usr/lib /lib /sw/lib)
+
+if (OpenHMD_INCLUDE_DIR AND OpenHMD_LIBRARY)
+	set(OpenHMD_FOUND TRUE)
+endif (OpenHMD_INCLUDE_DIR AND OpenHMD_LIBRARY)
+
+if (OpenHMD_FOUND AND NOT TARGET openhmd)
+	add_library(openhmd INTERFACE IMPORTED)
+	set_target_properties(openhmd PROPERTIES IMPORTED_LIBNAME "${OpenHMD_LIBRARY}")
+	set_target_properties(openhmd PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${OpenHMD_INCLUDE_DIR}")
+endif(OpenHMD_FOUND AND NOT TARGET openhmd)
+
+mark_as_advanced(OpenHMD_FOUND OpenHMD_LIBRARY OpenHMD_INCLUDE_DIR)
diff --git a/examples/opengl/CMakeLists.txt b/examples/opengl/CMakeLists.txt
index 55db558..e34dded 100644
--- a/examples/opengl/CMakeLists.txt
+++ b/examples/opengl/CMakeLists.txt
@@ -1,7 +1,7 @@
 project (openglexample C)
 
 find_package(OpenGL REQUIRED)
-find_package(openhmd REQUIRED)
+find_package(OpenHMD REQUIRED)
 
 add_executable(openglexample gl.c gl.h main.c)