From e19af3cfeb39e377927d2bd30f624820928bc302 Mon Sep 17 00:00:00 2001
From: FU Wenhui <ffffwh@icloud.com>
Date: Fri, 9 Dec 2016 10:59:01 +0800
Subject: [PATCH] use Findlibusb-1.0.cmake

---
 CMakeLists.txt             |  7 +--
 cmake/Findlibusb-1.0.cmake | 98 ++++++++++++++++++++++++++++++++++++++
 main.cpp                   |  2 +-
 3 files changed, 103 insertions(+), 4 deletions(-)
 create mode 100644 cmake/Findlibusb-1.0.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2142e7..134e7cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,9 +3,10 @@ project(lguf_brightness)
 
 set(CMAKE_CXX_STANDARD 14)
 
-include_directories(/usr/local/include)
-link_directories(/usr/local/lib)
+set(libusb_1_FIND_REQUIRED TRUE)
+include(${PROJECT_SOURCE_DIR}/cmake/Findlibusb-1.0.cmake)
+include_directories(${LIBUSB_1_INCLUDE_DIRS})
 
 set(SOURCE_FILES main.cpp)
 add_executable(lguf_brightness ${SOURCE_FILES})
-target_link_libraries(lguf_brightness usb-1.0 curses)
+target_link_libraries(lguf_brightness ${LIBUSB_1_LIBRARIES} curses)
diff --git a/cmake/Findlibusb-1.0.cmake b/cmake/Findlibusb-1.0.cmake
new file mode 100644
index 0000000..a09b782
--- /dev/null
+++ b/cmake/Findlibusb-1.0.cmake
@@ -0,0 +1,98 @@
+# - Try to find libusb-1.0
+# Once done this will define
+#
+#  LIBUSB_1_FOUND - system has libusb
+#  LIBUSB_1_INCLUDE_DIRS - the libusb include directory
+#  LIBUSB_1_LIBRARIES - Link these to use libusb
+#  LIBUSB_1_DEFINITIONS - Compiler switches required for using libusb
+#
+#  Adapted from cmake-modules Google Code project
+#
+#  Copyright (c) 2006 Andreas Schneider <mail@cynapses.org>
+#
+#  (Changes for libusb) Copyright (c) 2008 Kyle Machulis <kyle@nonpolynomial.com>
+#
+# Redistribution and use is allowed according to the terms of the New BSD license.
+#
+# CMake-Modules Project New BSD License
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+#
+# * Neither the name of the CMake-Modules Project nor the names of its
+#   contributors may be used to endorse or promote products derived from this
+#   software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+#  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+
+if (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)
+    # in cache already
+    set(LIBUSB_FOUND TRUE)
+else (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)
+    find_path(LIBUSB_1_INCLUDE_DIR
+            NAMES
+            libusb.h
+            PATHS
+            /usr/include
+            /usr/local/include
+            /opt/local/include
+            /sw/include
+            PATH_SUFFIXES
+            libusb-1.0
+            )
+
+    find_library(LIBUSB_1_LIBRARY
+            NAMES
+            usb-1.0 usb
+            PATHS
+            /usr/lib
+            /usr/local/lib
+            /opt/local/lib
+            /sw/lib
+            )
+
+    set(LIBUSB_1_INCLUDE_DIRS
+            ${LIBUSB_1_INCLUDE_DIR}
+            )
+    set(LIBUSB_1_LIBRARIES
+            ${LIBUSB_1_LIBRARY}
+            )
+
+    if (LIBUSB_1_INCLUDE_DIRS AND LIBUSB_1_LIBRARIES)
+        set(LIBUSB_1_FOUND TRUE)
+    endif (LIBUSB_1_INCLUDE_DIRS AND LIBUSB_1_LIBRARIES)
+
+    if (LIBUSB_1_FOUND)
+        if (NOT libusb_1_FIND_QUIETLY)
+            message(STATUS "Found libusb-1.0:")
+            message(STATUS " - Includes: ${LIBUSB_1_INCLUDE_DIRS}")
+            message(STATUS " - Libraries: ${LIBUSB_1_LIBRARIES}")
+        endif (NOT libusb_1_FIND_QUIETLY)
+    else (LIBUSB_1_FOUND)
+        if (libusb_1_FIND_REQUIRED)
+            message(FATAL_ERROR "Could not find libusb")
+        endif (libusb_1_FIND_REQUIRED)
+    endif (LIBUSB_1_FOUND)
+
+    # show the LIBUSB_1_INCLUDE_DIRS and LIBUSB_1_LIBRARIES variables only in the advanced view
+    mark_as_advanced(LIBUSB_1_INCLUDE_DIRS LIBUSB_1_LIBRARIES)
+
+endif (LIBUSB_1_LIBRARIES AND LIBUSB_1_INCLUDE_DIRS)
diff --git a/main.cpp b/main.cpp
index c5a4101..48f8cbd 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,7 @@
 #include <iostream>
 #include <vector>
 #include <curses.h>
-#include <libusb-1.0/libusb.h>
+#include <libusb.h>
 
 const uint16_t vendor_id = 0x43e;
 const uint16_t product_id = 0x9a40;