fix doxygen option and path on LC quartz builds

Author: rrsettgast

host-configs/LLNL/lassen-base.cmake

@@ -35,5 +35,5 @@ set(ENABLE_GTEST_DEATH_TESTS OFF CACHE BOOL "")
 set(gtest_disable_pthreads ON CACHE BOOL "")
 
 # Documentation
-set(ENABLE_UNCRUSTIFY OFF CACHE BOOL "")
-set(ENABLE_DOXYGEN OFF CACHE BOOL "")
+set(ENABLE_UNCRUSTIFY OFF CACHE BOOL "" FORCE)
+set(ENABLE_DOXYGEN OFF CACHE BOOL "" FORCE)

host-configs/LLNL/quartz-base.cmake

@@ -15,7 +15,7 @@ set(ENABLE_CALIPER ON CACHE BOOL "")
 set(CALIPER_DIR ${GEOSX_TPL_DIR}/caliper CACHE PATH "")
 
 set(SPHINX_EXECUTABLE /collab/usr/gapps/python/build/spack-toss3.2/opt/spack/linux-rhel7-x86_64/gcc-4.9.3/python-2.7.14-7rci3jkmuht2uiwp433afigveuf4ocnu/bin/sphinx-build CACHE PATH "")
-set(DOXYGEN_EXECUTABLE ${GEOSX_TPL_ROOT_DIR}/doxygen/bin/doxygen CACHE PATH "")
+set(DOXYGEN_EXECUTABLE ${GEOSX_TPL_DIR}/doxygen/bin/doxygen CACHE PATH "")
 
 set(ENABLE_GTEST_DEATH_TESTS ON CACHE BOOL "")