Add cmake target for RDC

RDC will provide cmake files exporting the INCLUDE/LIBRARY targets.

Change-Id: I8e8aeff426c45eae823d988f6473424ccf29687c

CMakeLists.txt

@@ -206,7 +206,7 @@ set(CLIENT_COMPONENT "client")
 if(BUILD_STANDALONE)
   install(DIRECTORY ${GRPC_ROOT}/lib
                 USE_SOURCE_PERMISSIONS
-                DESTINATION ${RDC_CLIENT_INSTALL_PREFIX}/${RDC}/grpc
+                DESTINATION {RDC_CLIENT_INSTALL_PREFIX}/${RDC}/grpc
                 COMPONENT ${SERVER_COMPONENT})
 # Also include dev setup for people do not want to build grpc
   install(DIRECTORY ${GRPC_ROOT}/bin
@@ -237,6 +237,42 @@ endif()
 # Folders for both standalone and embedded
 add_subdirectory("rdc_libs")
 add_subdirectory("example")
+
+# Create cmake target
+# Add all targets to the build-tree export set
+export(TARGETS ${BOOTSTRAP_LIB} ${RDC_LIB} ${RDCCLIENT_LIB}
+  FILE "${PROJECT_BINARY_DIR}/rdc_libs.cmake")
+
+# Export the package for use from the build-tree
+# (this registers the build-tree with a global CMake-registry)
+export(PACKAGE rdc)
+# Create the rdc-config.cmake and rdc-config-version files
+# ... for the build tree
+set(CONF_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}" "${PROJECT_BINARY_DIR}")
+set(CONF_LIB_DIR  "${PROJECT_BINARY_DIR}")
+set(CONF_LIBS "librdc_bootstrap.so")
+configure_file(rdc-config.cmake.in
+  "${PROJECT_BINARY_DIR}/rdc-config.cmake" @ONLY)
+# ... for the install tree
+set(CONF_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}${RDC_CLIENT_INSTALL_PREFIX}/rdc/include")
+set(CONF_LIB_DIR  "${CMAKE_INSTALL_PREFIX}${RDC_CLIENT_INSTALL_PREFIX}/rdc/lib")
+set(CONF_LIBS "librdc_bootstrap.so")
+
+configure_file(rdc-config.cmake.in
+  "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/rdc-config.cmake" @ONLY)
+# ... for both
+configure_file(rdc-config-version.cmake.in
+  "${PROJECT_BINARY_DIR}/rdc-config-version.cmake" @ONLY)
+# Install the rdc-config.cmake and rdc-config-version.cmake
+install(FILES
+  "${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/rdc-config.cmake"
+  "${PROJECT_BINARY_DIR}/rdc-config-version.cmake"
+  DESTINATION "${RDC_CLIENT_INSTALL_PREFIX}/${RDC}/lib/cmake" COMPONENT dev)
+# Install the export set for use with the install-tree
+install(EXPORT rdcTargets DESTINATION
+  "${RDC_CLIENT_INSTALL_PREFIX}/${RDC}/lib/cmake" COMPONENT dev)
+
+
 install(DIRECTORY ${PROJECT_SOURCE_DIR}/python_binding
              DESTINATION  ${RDC_CLIENT_INSTALL_PREFIX}/${RDC}
                                          COMPONENT ${CLIENT_COMPONENT})

rdc-config-version.cmake.in

@@ -0,0 +1,12 @@
+set(PACKAGE_VERSION "@RDC_VERSION@")
+
+# Check whether the requested PACKAGE_FIND_VERSION is compatible
+if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
+  set(PACKAGE_VERSION_COMPATIBLE FALSE)
+else()
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
+    set(PACKAGE_VERSION_EXACT TRUE)
+  endif()
+endif()
+

rdc-config.cmake.in

@@ -0,0 +1,19 @@
+# - Config file for the rdc package
+# It defines the following variables
+#  RDC_INCLUDE_DIRS - include directories for rdc
+#  RDC_LIBRARIES    - libraries to link against
+
+# Compute paths
+get_filename_component(RDC_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
+set(ROCM_RDC_INCLUDE_DIR "@CONF_INCLUDE_DIRS@")
+set(ROCM_RDC_LIB_DIR "@CONF_LIB_DIR@")
+
+
+# Our library dependencies (contains definitions for IMPORTED targets)
+if(NOT TARGET rdc_libs AND NOT rdc_BINARY_DIR)
+    include("${RDC_CMAKE_DIR}/rdcTargets.cmake")
+endif()
+
+# These are IMPORTED targets created by rdcTargets.cmake
+set(ROCM_RDC_LIBRARIES "@CONF_LIBS@")
+

rdc_libs/CMakeLists.txt

@@ -265,13 +265,22 @@ if ("${CMAKE_BUILD_TYPE}" STREQUAL Release)
     endif()
 endif ()
 
+# use the target_include_directories() command to specify the include directories for the target
+target_include_directories(${BOOTSTRAP_LIB}
+                           PUBLIC
+                           "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
+                           "$<INSTALL_INTERFACE:${RDC_CLIENT_INSTALL_PREFIX}/rdc/include>"
+)
+
 ## Add the install directives for the runtime library.
 if(BUILD_STANDALONE)
     install(TARGETS ${BOOTSTRAP_LIB} ${RDC_LIB} ${RDCCLIENT_LIB}
+            EXPORT rdcTargets
             LIBRARY DESTINATION  ${RDC_CLIENT_INSTALL_PREFIX}/${RDC}/lib
                                             COMPONENT ${CLIENT_COMPONENT})
 else()
     install(TARGETS ${BOOTSTRAP_LIB} ${RDC_LIB}
+            EXPORT rdcTargets
             LIBRARY DESTINATION  ${RDC_CLIENT_INSTALL_PREFIX}/${RDC}/lib
                                             COMPONENT ${CLIENT_COMPONENT})
 endif()