The OPENEXR_INSTALL option needs to be defined before it's used (#959)

This was causing OpenEXR builds (since #955 was merged) to
NOT INSTALL. Oh boy.

Signed-off-by: Larry Gritz <lg@larrygritz.com>

CMakeLists.txt

@@ -32,6 +32,12 @@ add_subdirectory(cmake)
 # Add all source in subdirectories
 #######################################
 
+option(OPENEXR_INSTALL "Install OpenEXR libraries" ON)
+option(OPENEXR_INSTALL_TOOLS "Install OpenEXR tools" ON)
+if(OPENEXR_INSTALL_TOOLS AND NOT OPENEXR_INSTALL)
+  message(SEND_ERROR "OPENEXR_INSTALL_TOOLS requires OPENEXR_INSTALL")
+endif()
+
 # Include these two modules without enable/disable options
 add_subdirectory(src/lib)
 add_subdirectory(src/bin)
@@ -48,12 +54,6 @@ if(OPENEXR_INSTALL_EXAMPLES)
   add_subdirectory( src/examples )
 endif()
 
-option(OPENEXR_INSTALL "Install OpenEXR libraries" ON)
-option(OPENEXR_INSTALL_TOOLS "Install OpenEXR tools" ON)
-if(OPENEXR_INSTALL_TOOLS AND NOT OPENEXR_INSTALL)
-  message(SEND_ERROR "OPENEXR_INSTALL_TOOLS requires OPENEXR_INSTALL")
-endif()
-
 # If you want to use ctest to configure, build and
 # upload the results, cmake has builtin support for
 # submitting to CDash, or any server who speaks the