ParU: failed to compile if CUDA enabled in CHOLMOD; need to set ENABLE_CUDA in ParU/CMakeLists as well

Author: DrTimothyAldenDavis

ParU/CMakeLists.txt

@@ -38,8 +38,15 @@ set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
     ${PROJECT_SOURCE_DIR}/../SuiteSparse_config/cmake_modules
     )
 
+option ( ENABLE_CUDA "Enable CUDA acceleration" on )
+
 include ( SuiteSparsePolicy )
 
+if ( SUITESPARSE_CUDA )
+    # ParU with CHOLMOD (which can use CUDA)
+    enable_language ( CUDA )
+endif ( )
+
 #-------------------------------------------------------------------------------
 # find library dependencies
 #-------------------------------------------------------------------------------

SuiteSparse_config/cmake_modules/SuiteSparsePolicy.cmake

@@ -15,9 +15,9 @@
 #                       set ( CMAKE_BUILD_TYPE Debug )
 #
 #   ENABLE_CUDA:        if set to true, CUDA is enabled for the project.
-#                       Default: true for CHOLMOD and SPQR, false for GraphBLAS
-#                       (for which CUDA is in progress and not ready for
-#                       production use).
+#                       Default: true for CHOLMOD, SPQR, and ParU (which uses
+#                       CHOLMOD); false for GraphBLAS (for which CUDA is in
+#                       progress and not ready for production use).
 #
 #   LOCAL_INSTALL:      if true, "cmake --install" will install
 #                       into SuiteSparse/lib and SuiteSparse/include.