ACC/OCL: revised files to be installed

- Use add_custom_command instead of add_custom_target.
- Added/fixed dependencies (custom build step).
- Avoid regenerating code.

Author: hfp

CMakeLists.txt

@@ -248,7 +248,8 @@ if (USE_ACCEL MATCHES "opencl")
   set(DBCSR_OPENCL_SCRIPT ${DBCSR_SOURCE_DIR}/acc/opencl/acc_opencl.sh)
   set(DBCSR_OPENCL_COMMON acc/opencl/common/opencl_atomics.h
                           acc/opencl/common/opencl_common.h)
-  list(APPEND DBCSR_ACC_HEADER acc/opencl/acc_opencl.h)
+  list(APPEND DBCSR_ACC_HEADER acc/opencl/smm/opencl_libsmm.h
+       acc/opencl/acc_opencl.h)
 endif ()
 
 if (USE_ACCEL MATCHES "cuda|hip")

src/acc/opencl/smm/CMakeLists.txt

@@ -23,17 +23,20 @@ list(TRANSFORM DBCSR_OPENCL_KERNELS PREPEND ${CMAKE_CURRENT_SOURCE_DIR}/)
 list(APPEND DBCSR_OPENCL_DEPENDS ${DBCSR_ACC_HEADER} ${DBCSR_OPENCL_COMMON})
 list(TRANSFORM DBCSR_OPENCL_DEPENDS PREPEND ${DBCSR_SOURCE_DIR}/)
 
-set(DBCSR_OPENCL_KERNELS_INC ${CMAKE_CURRENT_SOURCE_DIR}/opencl_kernels.h)
+set(DBCSR_OPENCL_KHEADER opencl_kernels.h)
 
-add_custom_target(
-  parameters # ALL
+add_custom_command(
   COMMAND
     ${DBCSR_OPENCL_SCRIPT} ${DBCSR_OPENCL_SCRIPT_ARGS} ${DBCSR_OPENCL_KERNELS}
-    ${DBCSR_OPENCL_PARAMS} ${DBCSR_OPENCL_KERNELS_INC}
-  DEPENDS ${DBCSR_OPENCL_SCRIPT} ${DBCSR_OPENCL_KERNELS} ${DBCSR_OPENCL_DEPENDS}
-  BYPRODUCTS ${DBCSR_OPENCL_KERNELS_INC}
+    ${DBCSR_OPENCL_PARAMS} ${CMAKE_CURRENT_SOURCE_DIR}/${DBCSR_OPENCL_KHEADER}
+  DEPENDS ${DBCSR_OPENCL_DEPENDS} ${DBCSR_OPENCL_KERNELS} ${DBCSR_OPENCL_SCRIPT}
+          ${DBCSR_OPENCL_PARAMS}
+  OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/${DBCSR_OPENCL_KHEADER}
   COMMENT ${DBCSR_OPENCL_SCRIPT_MSG})
 
-add_dependencies(dbcsr parameters)
+add_custom_target(${DBCSR_OPENCL_KHEADER}
+                  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${DBCSR_OPENCL_KHEADER})
+add_dependencies(dbcsr ${DBCSR_OPENCL_KHEADER})
+
 target_include_directories(dbcsr PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
                                          ${CMAKE_CURRENT_SOURCE_DIR})