replace own inline cmake include search logic for a typical FindXXX.cmake module.

CMakeLists.txt

@@ -342,23 +342,8 @@ if(UNIX AND NOT APPLE)
 	endif()
 
 	if(WITH_IMAGE_OPENEXR)
-		set(OPENEXR /usr CACHE FILEPATH "OPENEXR Directory")
-		mark_as_advanced(OPENEXR)
-		find_path(OPENEXR_INC
-			ImfXdr.h
-			PATHS
-			${OPENEXR}/include/OpenEXR
-			/usr/local/include/OpenEXR
-			/sw/include/OpenEXR
-			/opt/local/include/OpenEXR
-			/opt/csw/include/OpenEXR
-			/opt/include/OpenEXR
-		)
-		mark_as_advanced(OPENEXR_INC)
-
-		set(OPENEXR_LIB Half IlmImf Iex Imath)
-		
-		if(NOT OPENEXR_INC)
+		find_package(OpenEXR)  # our own module
+		if(NOT OPENEXR_FOUND)
 			set(WITH_IMAGE_OPENEXR OFF)
 		endif()
 	endif()
@@ -657,10 +642,10 @@ elseif(WIN32)
 				set(MSVC_INC)
 			endif()
 			set(OPENEXR ${LIBDIR}/openexr)			
-			set(OPENEXR_LIB Iex Half IlmImf Imath IlmThread)
+			set(OPENEXR_LIBRARIES Iex Half IlmImf Imath IlmThread)
 			set(OPENEXR_LIBPATH ${OPENEXR}/lib${MSVC_LIB})
 			set(OPENEXR_INCUDE ${OPENEXR}/include${MSVC_INC})
-			set(OPENEXR_INC ${OPENEXR_INCUDE}/ ${OPENEXR_INCUDE}/IlmImf ${OPENEXR_INCUDE}/Iex ${OPENEXR_INCUDE}/Imath)
+			set(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCUDE}/ ${OPENEXR_INCUDE}/IlmImf ${OPENEXR_INCUDE}/Iex ${OPENEXR_INCUDE}/Imath)
 		endif()
 
 		if(WITH_IMAGE_TIFF)
@@ -759,8 +744,8 @@ elseif(WIN32)
 
 		if(WITH_IMAGE_OPENEXR)
 			set(OPENEXR ${LIBDIR}/gcc/openexr)
-			set(OPENEXR_INC ${OPENEXR}/include ${OPENEXR}/include/OpenEXR)
-			set(OPENEXR_LIB Half IlmImf Imath IlmThread)
+			set(OPENEXR_INCLUDE_DIRS ${OPENEXR}/include ${OPENEXR}/include/OpenEXR)
+			set(OPENEXR_LIBRARIES Half IlmImf Imath IlmThread)
 			set(OPENEXR_LIBPATH ${OPENEXR}/lib)
 
 			# TODO, gives linking errors, force off
@@ -892,8 +877,8 @@ elseif(APPLE)
 
 	if(WITH_IMAGE_OPENEXR)
 		set(OPENEXR ${LIBDIR}/openexr)
-		set(OPENEXR_INC ${OPENEXR}/include/OpenEXR ${OPENEXR}/include)
-		set(OPENEXR_LIB Iex Half IlmImf Imath IlmThread)
+		set(OPENEXR_INCLUDE_DIRS ${OPENEXR}/include/OpenEXR ${OPENEXR}/include)
+		set(OPENEXR_LIBRARIES Iex Half IlmImf Imath IlmThread)
 		set(OPENEXR_LIBPATH ${OPENEXR}/lib)
 	endif()
 

build_files/cmake/Modules/FindOpenEXR.cmake

@@ -0,0 +1,76 @@
+# - Find OpenEXR library (copied from FindTIFF.cmake, v 2.8.5)
+# Find the native OpenEXR includes and library
+# This module defines
+#  OPENEXR_INCLUDE_DIRS, where to find ImfXdr.h, etc. Set when
+#                        OPENEXR_INCLUDE_DIR is found.
+#  OPENEXR_LIBRARIES, libraries to link against to use OpenEXR.
+#  OPENEXR_ROOT_DIR, The base directory to search for OpenEXR.
+#                    This can also be an environment variable.
+#  OPENEXR_FOUND, If false, do not try to use OpenEXR.
+# also defined, but not for general use are
+#  OPENEXR_LIBRARY, where to find the OpenEXR library.
+
+#=============================================================================
+# Copyright 2002-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# If OPENEXR_ROOT_DIR was defined in the environment, use it.
+IF(NOT OPENEXR_ROOT_DIR AND NOT $ENV{OPENEXR_ROOT_DIR} STREQUAL "")
+  SET(OPENEXR_ROOT_DIR $ENV{OPENEXR_ROOT_DIR})
+ENDIF()
+
+SET(_openexr_FIND_COMPONENTS
+  Half
+  IlmImf
+  Iex
+  Imath
+)
+
+SET(_openexr_SEARCH_DIRS
+  ${OPENEXR_ROOT_DIR}
+  /usr/local
+  /opt/csw
+)
+
+FIND_PATH(OPENEXR_INCLUDE_DIR ImfXdr.h
+  HINTS
+    ${_openexr_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include/OpenEXR
+)
+
+SET(_openexr_LIBRARIES)
+FOREACH(COMPONENT ${_openexr_FIND_COMPONENTS})
+  STRING(TOUPPER ${COMPONENT} UPPERCOMPONENT)
+
+  FIND_LIBRARY(OPENEXR_${UPPERCOMPONENT}_LIBRARY NAMES ${COMPONENT}
+      HINTS ${_openexr_SEARCH_DIRS}
+      PATH_SUFFIXES lib
+      )
+  LIST(APPEND _openexr_LIBRARIES "${OPENEXR_${UPPERCOMPONENT}_LIBRARY}")
+ENDFOREACH()
+
+# handle the QUIETLY and REQUIRED arguments and set OPENEXR_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenEXR  DEFAULT_MSG
+    ${_openexr_LIBRARIES} OPENEXR_INCLUDE_DIR)
+
+IF(OPENEXR_FOUND)
+  SET(OPENEXR_LIBRARIES ${_openexr_LIBRARIES})
+  SET(OPENEXR_INCLUDE_DIRS ${OPENEXR_INCLUDE_DIR})
+ENDIF(OPENEXR_FOUND)
+
+MARK_AS_ADVANCED(
+  ${_openexr_LIBRARIES}
+  OPENEXR_INCLUDE_DIR
+)

build_files/cmake/macros.cmake

@@ -205,13 +205,13 @@ macro(setup_liblinks
 	endif()
 	if(WITH_IMAGE_OPENEXR)
 		if(WIN32 AND NOT UNIX)
-			foreach(_LOOP_VAR ${OPENEXR_LIB})
+			foreach(_LOOP_VAR ${OPENEXR_LIBRARIES})
 				target_link_libraries(${target} debug ${_LOOP_VAR}_d)
 				target_link_libraries(${target} optimized ${_LOOP_VAR})
 			endforeach()
 			unset(_LOOP_VAR)
 		else()
-			target_link_libraries(${target} ${OPENEXR_LIB})
+			target_link_libraries(${target} ${OPENEXR_LIBRARIES})
 		endif()
 	endif()
 	if(WITH_IMAGE_OPENJPEG AND UNIX AND NOT APPLE)

source/blender/imbuf/intern/openexr/CMakeLists.txt

@@ -44,7 +44,7 @@ set(SRC
 )
 
 if(WITH_IMAGE_OPENEXR)
-	list(APPEND INC_SYS ${OPENEXR_INC})
+	list(APPEND INC_SYS ${OPENEXR_INCLUDE_DIRS})
 	add_definitions(-DWITH_OPENEXR)
 endif()