From 9941d3f71a9aabee255d7091c4474dc70daec989 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@itseez.com>
Date: Tue, 15 Oct 2013 23:05:40 +0400
Subject: [PATCH] cmake: restore find_package() for build directory

---
 cmake/OpenCVGenConfig.cmake           |  3 ++-
 cmake/OpenCVUtils.cmake               | 22 ++++++++++++++++++++++
 cmake/templates/OpenCVConfig.cmake.in |  3 ++-
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/cmake/OpenCVGenConfig.cmake b/cmake/OpenCVGenConfig.cmake
index 9050e05..881cd37 100644
--- a/cmake/OpenCVGenConfig.cmake
+++ b/cmake/OpenCVGenConfig.cmake
@@ -74,11 +74,12 @@ if(ANDROID AND NOT BUILD_SHARED_LIBS AND HAVE_TBB)
   list(APPEND OpenCV2_INCLUDE_DIRS_CONFIGCMAKE ${TBB_INCLUDE_DIRS})
 endif()
 
+export(TARGETS ${OpenCVModules_TARGETS} FILE "${CMAKE_BINARY_DIR}/OpenCVModules.cmake")
+
 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig.cmake" IMMEDIATE @ONLY)
 #support for version checking when finding opencv. find_package(OpenCV 2.3.1 EXACT) should now work.
 configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig-version.cmake" IMMEDIATE @ONLY)
 
-
 # --------------------------------------------------------------------------------------------
 #  Part 2/3: ${BIN_DIR}/unix-install/OpenCVConfig.cmake -> For use *with* "make install"
 # -------------------------------------------------------------------------------------------
diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
index 2fb8335..22aa00a 100644
--- a/cmake/OpenCVUtils.cmake
+++ b/cmake/OpenCVUtils.cmake
@@ -440,6 +440,28 @@ endmacro()
 function(ocv_install_target)
   install(TARGETS ${ARGN})
 
+  set(isPackage 0)
+  unset(__package)
+  unset(__target)
+  foreach(e ${ARGN})
+    if(NOT DEFINED __target)
+      set(__target "${e}")
+    endif()
+    if(isPackage EQUAL 1)
+      set(__package "${e}")
+      break()
+    endif()
+    if(e STREQUAL "EXPORT")
+      set(isPackage 1)
+    endif()
+  endforeach()
+
+  if(DEFINED __package)
+    list(APPEND ${__package}_TARGETS ${__target})
+    list(REMOVE_DUPLICATES ${__package}_TARGETS)
+    set(${__package}_TARGETS "${${__package}_TARGETS}" CACHE INTERNAL "List of ${__package} targets")
+  endif()
+
   if(INSTALL_CREATE_DISTRIB)
     if(MSVC AND NOT BUILD_SHARED_LIBS)
       set(__target "${ARGV0}")
diff --git a/cmake/templates/OpenCVConfig.cmake.in b/cmake/templates/OpenCVConfig.cmake.in
index 2a4d6f4..88a451b 100644
--- a/cmake/templates/OpenCVConfig.cmake.in
+++ b/cmake/templates/OpenCVConfig.cmake.in
@@ -289,9 +289,10 @@ endmacro()
 # adds include directories in such way that directories from the OpenCV source tree go first
 function(ocv_include_directories)
   set(__add_before "")
+  file(TO_CMAKE_PATH "${OpenCV_DIR}" __baseDir)
   foreach(dir ${ARGN})
     get_filename_component(__abs_dir "${dir}" ABSOLUTE)
-    if("${__abs_dir}" MATCHES "^${OpenCV_DIR}")
+    if("${__abs_dir}" MATCHES "^${__baseDir}")
       list(APPEND __add_before "${dir}")
     else()
       include_directories(AFTER SYSTEM "${dir}")
-- 
2.7.4