1. added target tvm in a cmake export group

2. added cmake package config file

Author: prateek9623

CMakeLists.txt

@@ -481,6 +481,7 @@ add_library(tvm_runtime_objs OBJECT ${RUNTIME_SRCS})
 add_library(tvm_libinfo_objs OBJECT ${LIBINFO_FILE})
 
 add_library(tvm SHARED $<TARGET_OBJECTS:tvm_objs> $<TARGET_OBJECTS:tvm_runtime_objs> $<TARGET_OBJECTS:tvm_libinfo_objs>)
+target_include_directories(tvm PUBLIC "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 set_property(TARGET tvm APPEND PROPERTY LINK_OPTIONS "${TVM_NO_UNDEFINED_SYMBOLS}")
 set_property(TARGET tvm APPEND PROPERTY LINK_OPTIONS "${TVM_VISIBILITY_FLAG}")
 if(BUILD_STATIC_RUNTIME)
@@ -495,6 +496,7 @@ else()
   add_library(tvm_runtime SHARED $<TARGET_OBJECTS:tvm_runtime_objs> $<TARGET_OBJECTS:tvm_libinfo_objs>)
   set_property(TARGET tvm_runtime APPEND PROPERTY LINK_OPTIONS "${TVM_NO_UNDEFINED_SYMBOLS}")
 endif()
+target_include_directories(tvm_runtime PUBLIC "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
 set_property(TARGET tvm_runtime APPEND PROPERTY LINK_OPTIONS "${TVM_VISIBILITY_FLAG}")
 
 target_compile_definitions(tvm_objs PUBLIC DMLC_USE_LOGGING_LIBRARY=<tvm/runtime/logging.h>)
@@ -609,8 +611,8 @@ endif()
 add_custom_target(runtime DEPENDS tvm_runtime)
 
 # Installation rules
-install(TARGETS tvm DESTINATION lib${LIB_SUFFIX})
-install(TARGETS tvm_runtime DESTINATION lib${LIB_SUFFIX})
+install(TARGETS tvm EXPORT ${PROJECT_NAME}Targets DESTINATION lib${LIB_SUFFIX})
+install(TARGETS tvm_runtime EXPORT ${PROJECT_NAME}Targets DESTINATION lib${LIB_SUFFIX})
 
 if (INSTALL_DEV)
   install(
@@ -636,6 +638,27 @@ else(INSTALL_DEV)
     )
 endif(INSTALL_DEV)
 
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+set(PROJECT_CONFIG_CONTENT "@PACKAGE_INIT@\n")
+string(APPEND PROJECT_CONFIG_CONTENT
+       "include(\"\${CMAKE_CURRENT_LIST_DIR}/${PROJECT_NAME}Targets.cmake\")")
+file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/PROJECT_CONFIG_FILE" ${PROJECT_CONFIG_CONTENT})
+
+install(EXPORT ${PROJECT_NAME}Targets
+  NAMESPACE ${PROJECT_NAME}::
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
+
+# Create config for find_package()
+configure_package_config_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/PROJECT_CONFIG_FILE" ${PROJECT_NAME}Config.cmake
+  INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+
+install(
+  FILES
+  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+
 # More target definitions
 if(MSVC)
   target_compile_definitions(tvm_objs PRIVATE -DTVM_EXPORTS)