From 8cdf8dec703d882b46ca50a769fabb95ffc48e2c Mon Sep 17 00:00:00 2001
From: manuel <manuel@mausz.at>
Date: Thu, 24 Nov 2016 21:27:41 +0100
Subject: sync with upstream

---
 project/cmake/modules/FindX.cmake | 62 +++++++++++++++++++++++++++++++--------
 1 file changed, 49 insertions(+), 13 deletions(-)

(limited to 'project/cmake/modules/FindX.cmake')

diff --git a/project/cmake/modules/FindX.cmake b/project/cmake/modules/FindX.cmake
index d9ab5bc..19bb770 100644
--- a/project/cmake/modules/FindX.cmake
+++ b/project/cmake/modules/FindX.cmake
@@ -1,21 +1,57 @@
-# - Try to find X11
-# Once done this will define
+#.rst:
+# FindX
+# -----
+# Finds the X11 library
 #
-# X11_FOUND - system has X11
-# X11_INCLUDE_DIRS - the X11 include directory
-# X11_LIBRARIES - The X11 libraries
+# This will will define the following variables::
+#
+# X_FOUND - system has X11
+# X_INCLUDE_DIRS - the X11 include directory
+# X_LIBRARIES - the X11 libraries
+# X_DEFINITIONS - the X11 definitions
+#
+# and the following imported targets::
+#
+#   X::X    - The X11 library
+#   X::Xext - The X11 extension library
 
 if(PKG_CONFIG_FOUND)
-  pkg_check_modules (X x11 xext libdrm egl)
-  list(APPEND X_INCLUDE_DIRS /usr/include)
-else()
-  find_path(X_INCLUDE_DIRS X11/Xlib.h)
-  find_library(X_LIBRARIES X11)
+  pkg_check_modules(PC_X x11 xext QUIET)
 endif()
 
+find_path(X_INCLUDE_DIR NAMES X11/Xlib.h
+                        PATHS ${PC_X_x11_INCLUDEDIR})
+find_library(X_LIBRARY NAMES X11
+                       PATHS ${PC_X_x11_LIBDIR})
+find_library(X_EXT_LIBRARY NAMES Xext
+                           PATHS ${PC_X_xext_LIBDIR})
+
+set(X_VERSION ${PC_X_x11_VERSION})
+
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(X DEFAULT_MSG X_INCLUDE_DIRS X_LIBRARIES)
+find_package_handle_standard_args(X
+                                  REQUIRED_VARS X_LIBRARY X_EXT_LIBRARY X_INCLUDE_DIR
+                                  VERSION_VAR X_VERSION)
+
+if(X_FOUND)
+  set(X_LIBRARIES ${X_LIBRARY} ${X_EXT_LIBRARY})
+  set(X_INCLUDE_DIRS ${X_INCLUDE_DIR})
+  set(X_DEFINITIONS -DHAVE_X11=1)
 
-list(APPEND X_DEFINITIONS -DHAVE_X11=1)
+  if(NOT TARGET X::X)
+    add_library(X::X UNKNOWN IMPORTED)
+    set_target_properties(X::X PROPERTIES
+                               IMPORTED_LOCATION "${X_LIBRARY}"
+                               INTERFACE_INCLUDE_DIRECTORIES "${X_INCLUDE_DIR}"
+                               INTERFACE_COMPILE_DEFINITIONS HAVE_X11=1)
+  endif()
+  if(NOT TARGET X::Xext)
+    add_library(X::Xext UNKNOWN IMPORTED)
+    set_target_properties(X::Xext PROPERTIES
+                                  IMPORTED_LOCATION "${X_EXT_LIBRARY}"
+                                  INTERFACE_INCLUDE_DIRECTORIES "${X_INCLUDE_DIR}"
+                                  INTERFACE_LINK_LIBRARIES X::X)
+  endif()
+endif()
 
-mark_as_advanced(X_INCLUDE_DIRS X_LIBRARIES X_DEFINITIONS)
+mark_as_advanced(X_INCLUDE_DIR X_LIBRARY X_EXT_LIBRARY)
-- 
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