From 5bb7bc424b09f93417a1d447f2d4f3081394f964 Mon Sep 17 00:00:00 2001
From: Nicholas Yue <yue.nicholas@gmail.com>
Date: Thu, 17 Nov 2016 16:59:47 -0800
Subject: [PATCH] Refine Doxygen run so that it is done only once and only
 during the installation phase

---
 openvdb/CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/openvdb/CMakeLists.txt b/openvdb/CMakeLists.txt
index aa1a080..88e46ca 100644
--- a/openvdb/CMakeLists.txt
+++ b/openvdb/CMakeLists.txt
@@ -443,13 +443,15 @@ IF (OPENVDB_BUILD_DOCS)
   FILE ( WRITE ${CMAKE_CURRENT_BINARY_DIR}/cmake-doxygen-config ${DOXYGEN_CONFIG_CONTENT} )
   FILE ( APPEND ${CMAKE_CURRENT_BINARY_DIR}/cmake-doxygen-config "OUTPUT_DIRECTORY=${CMAKE_CURRENT_BINARY_DIR}/doc\n" )
   
-  ADD_CUSTOM_TARGET ( doc ALL
+  ADD_CUSTOM_TARGET ( doc
     ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/cmake-doxygen-config
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     COMMENT "Generating API documentation with Doxygen" VERBATIM
     )
   
-  INSTALL ( DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/html/ DESTINATION doc)
+  INSTALL ( CODE "EXECUTE_PROCESS(COMMAND \"${CMAKE_COMMAND}\" --build  \"${PROJECT_BINARY_DIR}\" --target doc)")
+  INSTALL ( DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc/html DESTINATION docs)
+
 ENDIF ()
 
 # Installation