CMake: Auto-detect path to idiff application in FindOpenImageIO.cmake

Not used at this moment, but will be real soon with new ctests.

1 files changed, 9 insertions, 0 deletions

diff --git a/build_files/cmake/Modules/FindOpenImageIO.cmake b/build_files/cmake/Modules/FindOpenImageIO.cmake
index f8d66124ae6..6b82c9daff3 100644
--- a/build_files/cmake/Modules/FindOpenImageIO.cmake
+++ b/build_files/cmake/Modules/FindOpenImageIO.cmake
@@ -8,6 +8,7 @@
 #                        This can also be an environment variable.
 #  OPENIMAGEIO_FOUND, If false, do not try to use OpenImageIO.
 #  OPENIMAGEIO_PUGIXML_FOUND, Indicates whether OIIO has biltin PuguXML parser.
+#  OPENIMAGEIO_IDIFF, full path to idiff application if found.
 #
 # also defined, but not for general use are
 #  OPENIMAGEIO_LIBRARY, where to find the OpenImageIO library.
@@ -55,6 +56,14 @@ FIND_LIBRARY(OPENIMAGEIO_LIBRARY
     lib64 lib
   )
 
+FIND_FILE(OPENIMAGEIO_IDIFF
+  NAMES
+    idiff
+  ${OPENIMAGEIO_ROOT_DIR}
+  PATH_SUFFIXES
+    bin
+)
+
 # handle the QUIETLY and REQUIRED arguments and set OPENIMAGEIO_FOUND to TRUE if 
 # all listed variables are TRUE
 INCLUDE(FindPackageHandleStandardArgs)