cmake: create cmake VPP module, update sample-plugin so it uses it

Change-Id: I32e91ba8e55797ffe169f98b09bdb42caa5c7de2
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/cmake/VPPConfig.cmake b/src/cmake/VPPConfig.cmake
new file mode 100644
index 00000000000..767fe34c189
--- /dev/null
+++ b/src/cmake/VPPConfig.cmake
@@ -0,0 +1,38 @@
+# Copyright (c) 2018 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+get_filename_component(CMAKE_CURRENT_LIST_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
+
+find_path(VPP_INCLUDE_DIR PATH_SUFFIXES NAMES vppinfra/clib.h)
+find_program(VPP_APIGEN vppapigen)
+
+if(VPP_INCLUDE_DIR AND VPP_APIGEN)
+  include_directories (${VPP_INCLUDE_DIR})
+else()
+  message(FATAL_ERROR "VPP headers, libraries and/or tools not found")
+endif()
+
+set(VPP_EXTERNAL_PROJECT 1)
+
+include(CheckCCompilerFlag)
+
+check_c_compiler_flag("-Wno-address-of-packed-member" compiler_flag_no_address_of_packed_member)
+if (compiler_flag_no_address_of_packed_member)
+  add_definitions(-Wno-address-of-packed-member)
+endif()
+
+include(CheckCCompilerFlag)
+include(${CMAKE_CURRENT_LIST_DIR}/cpu.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/api.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/library.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/plugin.cmake)