build: various improvements

- add option to install only host tools
- add option to specify lib and runtime dir

Type: improvement

Change-Id: I6356b52df459120fc9b0127948bae7679fb10e52
Signed-off-by: Damjan Marion <damarion@cisco.com>

11 files changed, 111 insertions, 39 deletions

diff --git a/extras/libmemif/CMakeLists.txt b/extras/libmemif/CMakeLists.txt
index 263bd18d1df..7f4915b5d70 100644
--- a/extras/libmemif/CMakeLists.txt
+++ b/extras/libmemif/CMakeLists.txt
@@ -19,15 +19,6 @@ set(CMAKE_C_STANDARD 11)
 include(CheckCCompilerFlag)
 include(CheckFunctionExists)
 
-set(VPP_SRC "${CMAKE_CURRENT_SOURCE_DIR}/../../src")
-execute_process(
-  COMMAND find ${VPP_SRC} -type d -name "cmake"
-  OUTPUT_VARIABLE CMAKE_DEPS_FOLDER
-  OUTPUT_STRIP_TRAILING_WHITESPACE
-)
-include(${CMAKE_DEPS_FOLDER}/library.cmake)
-include(${CMAKE_DEPS_FOLDER}/pack.cmake)
-
 if (NOT CMAKE_BUILD_TYPE)
   message(STATUS "No build type selected, default to Release")
   set(CMAKE_BUILD_TYPE "Release")
@@ -47,7 +38,6 @@ if(${HAVE_MEMFD_CREATE})
 endif()
 
 include_directories(src)
-set(LIBMEMIF memif)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 find_package(Check 0.10.0)
@@ -61,8 +51,80 @@ endif ()
 add_subdirectory(src)
 add_subdirectory(examples)
 
-add_vpp_packaging(
-  NAME "memif"
-  VENDOR "fd.io"
-  DESCRIPTION "Shared Memory Interface"
+##############################################################################
+# Packaging
+##############################################################################
+
+# parse /etc/os-release
+file(READ "/etc/os-release" os_version)
+string(REPLACE "\n" ";" os_version ${os_version})
+foreach(_ver ${os_version})
+  string(REPLACE "=" ";" _ver ${_ver})
+  list(GET _ver 0 _name)
+  list(GET _ver 1 _value)
+  set(OS_${_name} ${_value})
+endforeach()
+
+  # extract version from git
+execute_process(
+  COMMAND git describe --long --match v*
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+  OUTPUT_VARIABLE VER
+  OUTPUT_STRIP_TRAILING_WHITESPACE
 )
+string(REGEX REPLACE "v(.*)-([0-9]+)-(g[0-9a-f]+)" "\\1;\\2;\\3" VER ${VER})
+list(GET VER 0 tag)
+list(GET VER 1 commit_num)
+list(GET VER 2 commit_name)
+
+#define DEB and RPM version numbers
+if(${commit_num} EQUAL 0)
+  set(deb_ver "${tag}")
+  set(rpm_ver "${tag}")
+else()
+  if (DEFINED ENV{BUILD_NUMBER})
+    set(deb_ver "${tag}~${commit_num}-${commit_name}~b$ENV{BUILD_NUMBER}")
+    set(rpm_ver "${tag}~${commit_num}_${commit_name}~b$ENV{BUILD_NUMBER}")
+  else()
+    set(deb_ver "${tag}~${commit_num}-${commit_name}")
+    set(rpm_ver "${tag}~${commit_num}_${commit_name}")
+  endif()
+endif()
+
+set(CPACK_PACKAGE_NAME "memif")
+set(CPACK_STRIP_FILES OFF)
+set(CPACK_PACKAGE_VENDOR "fd.io")
+set(CPACK_COMPONENTS_IGNORE_GROUPS 1)
+set(CPACK_${CPACK_GENERATOR}_COMPONENT_INSTALL ON)
+set(CPACK_${type}_PACKAGE_DESCRIPTION "memif Shared Memory Interface")
+set(CPACK_${type}_PACKAGE_RELEASE 1)
+
+if(OS_ID_LIKE MATCHES "debian")
+  set(CPACK_GENERATOR "DEB")
+  set(type "DEBIAN")
+  set(CPACK_PACKAGE_VERSION "${deb_ver}")
+  set(CPACK_DEBIAN_PACKAGE_MAINTAINER "VPP Team")
+  execute_process(
+    COMMAND dpkg --print-architecture
+    OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}_${CPACK_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE})
+elseif(OS_ID_LIKE MATCHES "rhel")
+  set(CPACK_GENERATOR "RPM")
+  set(type "RPM")
+  set(CPACK_PACKAGE_VERSION "${rpm_ver}")
+  execute_process(
+    COMMAND uname -m
+    OUTPUT_VARIABLE CPACK_RPM_PACKAGE_ARCHITECTURE
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}.${CPACK_RPM_PACKAGE_ARCHITECTURE})
+endif()
+
+if(CPACK_GENERATOR)
+  include(CPack)
+else()
+  message(ERROR "CPACK_GENERATOR must be set")
+endif()
+
diff --git a/extras/libmemif/examples/CMakeLists.txt b/extras/libmemif/examples/CMakeLists.txt
index 1cf50002b8a..4f120e59f75 100644
--- a/extras/libmemif/examples/CMakeLists.txt
+++ b/extras/libmemif/examples/CMakeLists.txt
@@ -32,5 +32,5 @@ foreach (EXAMPLE_SRC ${EXAMPLES_LIST})
   string(SUBSTRING ${EXAMPLE_SRC} 0 ${INDEX} EXECUTABLE)
   add_executable(${EXECUTABLE} ${COMMON_SOURCE_FILES} ${EXAMPLE_SRC})
   target_include_directories(${EXECUTABLE} PRIVATE $<BUILD_INTERFACE:${HEADERS_DIR}>)
-  target_link_libraries(${EXECUTABLE} ${LIBMEMIF} ${CMAKE_THREAD_LIBS_INIT})
+  target_link_libraries(${EXECUTABLE} memif ${CMAKE_THREAD_LIBS_INIT})
 endforeach()
diff --git a/extras/libmemif/src/CMakeLists.txt b/extras/libmemif/src/CMakeLists.txt
index 09a2e4e6005..aced550ff5d 100644
--- a/extras/libmemif/src/CMakeLists.txt
+++ b/extras/libmemif/src/CMakeLists.txt
@@ -32,12 +32,15 @@ list(APPEND MEMIF_SOURCES
 
 include_directories(${HEADERS_DIR})
 
-add_vpp_library(${LIBMEMIF}
-  SOURCES ${MEMIF_SOURCES}
-
-  INSTALL_HEADERS ${MEMIF_HEADERS}
-
-  LINK_LIBRARIES ${CMAKE_THREAD_LIBS_INIT}
-
-  COMPONENT libmemif
-)
+add_library(memif SHARED ${MEMIF_SOURCES})
+target_link_libraries(memif ${CMAKE_THREAD_LIBS_INIT})
+foreach(file ${MEMIF_HEADERS})
+  get_filename_component(dir ${file} DIRECTORY)
+     install(
+	FILES ${file}
+	DESTINATION include/${lib}/${dir}
+	COMPONENT libmemif-dev
+      )
+endforeach()
+
+install(TARGETS memif DESTINATION lib COMPONENT libmemif)
diff --git a/extras/libmemif/test/CMakeLists.txt b/extras/libmemif/test/CMakeLists.txt
index 3681fd3e64b..79754a2f8b7 100644
--- a/extras/libmemif/test/CMakeLists.txt
+++ b/extras/libmemif/test/CMakeLists.txt
@@ -30,6 +30,6 @@ set(SOURCE_FILES
 
 add_executable(${TEST_NAME} ${SOURCE_FILES})
 target_include_directories(${TEST_NAME} PRIVATE $<BUILD_INTERFACE:${HEADERS_DIR}>)
-target_link_libraries(${TEST_NAME} ${LIBMEMIF} ${CHECK_LIBRARY} ${SUBUNIT_LIBRARY} ${TEST_LIBS} ${CMAKE_THREAD_LIBS_INIT})
+target_link_libraries(${TEST_NAME} memif ${CHECK_LIBRARY} ${SUBUNIT_LIBRARY} ${TEST_LIBS} ${CMAKE_THREAD_LIBS_INIT})
 
-add_test(unit_test unit-test)
\ No newline at end of file
+add_test(unit_test unit-test)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2e3cf6b1d68..59c7512a044 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -50,9 +50,11 @@ set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
 ##############################################################################
 check_c_compiler_flag("-Wno-address-of-packed-member"
 		      compiler_flag_no_address_of_packed_member)
+set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
+set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
 
-set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_RUNTIME_DIR})
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${VPP_LIBRARY_DIR})
 
 if (CMAKE_BUILD_TYPE)
   set(CMAKE_C_FLAGS "-g -fPIC -Werror -Wall ${CMAKE_C_FLAGS}")
@@ -107,12 +109,12 @@ set_property(CACHE CMAKE_BUILD_TYPE PROPERTY
 # sanitizers
 ##############################################################################
 
-option(ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
-if (ENABLE_SANITIZE_ADDR)
+option(VPP_ENABLE_SANITIZE_ADDR "Enable Address Sanitizer" OFF)
+if (VPP_ENABLE_SANITIZE_ADDR)
   set(CMAKE_C_FLAGS "-fsanitize=address --param asan-stack=0 -DCLIB_SANITIZE_ADDR ${CMAKE_C_FLAGS}")
   set(CMAKE_EXE_LINKER_FLAGS "-fsanitize=address ${CMAKE_EXE_LINKER_FLAGS}")
   set(CMAKE_SHARED_LINKER_FLAGS "-fsanitize=address ${CMAKE_SHARED_LINKER_FLAGS}")
-endif (ENABLE_SANITIZE_ADDR)
+endif (VPP_ENABLE_SANITIZE_ADDR)
 
 ##############################################################################
 # install config
@@ -139,7 +141,10 @@ include(cmake/plugin.cmake)
 ##############################################################################
 # subdirs - order matters
 ##############################################################################
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+option(VPP_HOST_TOOLS_ONLY "Build only host tools" OFF)
+if(VPP_HOST_TOOLS_ONLY)
+  set(SUBDIRS tools/vppapigen cmake)
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   find_package(OpenSSL REQUIRED)
   set(SUBDIRS
     vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
diff --git a/src/cmake/VPPConfig.cmake b/src/cmake/VPPConfig.cmake
index 870c2a5b182..21da59d68ba 100644
--- a/src/cmake/VPPConfig.cmake
+++ b/src/cmake/VPPConfig.cmake
@@ -33,7 +33,9 @@ if (compiler_flag_no_address_of_packed_member)
   add_definitions(-Wno-address-of-packed-member)
 endif()
 
-include(CheckCCompilerFlag)
+set(VPP_RUNTIME_DIR "bin" CACHE STRING "Relative runtime directory path")
+set(VPP_LIBRARY_DIR "lib" CACHE STRING "Relative library directory path")
+
 include(${CMAKE_CURRENT_LIST_DIR}/cpu.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/api.cmake)
 include(${CMAKE_CURRENT_LIST_DIR}/library.cmake)
diff --git a/src/cmake/exec.cmake b/src/cmake/exec.cmake
index d5e837084e9..7bfd5751c83 100644
--- a/src/cmake/exec.cmake
+++ b/src/cmake/exec.cmake
@@ -30,7 +30,7 @@ macro(add_vpp_executable exec)
     add_dependencies(${exec} ${ARG_DEPENDS})
   endif()
   if(NOT ARG_NO_INSTALL)
-    install(TARGETS ${exec} DESTINATION bin)
+    install(TARGETS ${exec} DESTINATION ${VPP_RUNTIME_DIR})
   endif()
 endmacro()
 
diff --git a/src/cmake/library.cmake b/src/cmake/library.cmake
index dc14ae59e46..d6a63d325e9 100644
--- a/src/cmake/library.cmake
+++ b/src/cmake/library.cmake
@@ -34,7 +34,7 @@ macro(add_vpp_library lib)
   endif()
   install(
     TARGETS ${lib}
-    DESTINATION lib
+    DESTINATION ${VPP_LIBRARY_DIR}
     COMPONENT ${ARG_COMPONENT}
   )
 
diff --git a/src/cmake/plugin.cmake b/src/cmake/plugin.cmake
index 2e2749a440e..bf40aa504a7 100644
--- a/src/cmake/plugin.cmake
+++ b/src/cmake/plugin.cmake
@@ -86,13 +86,13 @@ macro(add_vpp_plugin name)
       LIBRARY_OUTPUT_DIRECTORY ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/vpp_api_test_plugins)
     install(
       TARGETS ${test_plugin_name}
-      DESTINATION lib/vpp_api_test_plugins
+      DESTINATION ${VPP_LIBRARY_DIR}/vpp_api_test_plugins
       COMPONENT ${PLUGIN_COMPONENT}
     )
   endif()
   install(
     TARGETS ${plugin_name}
-    DESTINATION lib/vpp_plugins
+    DESTINATION ${VPP_LIBRARY_DIR}/vpp_plugins
     COMPONENT ${PLUGIN_COMPONENT}
   )
 endmacro()
diff --git a/src/tools/vppapigen/CMakeLists.txt b/src/tools/vppapigen/CMakeLists.txt
index 9fb00817ea9..bfabc3a670c 100644
--- a/src/tools/vppapigen/CMakeLists.txt
+++ b/src/tools/vppapigen/CMakeLists.txt
@@ -14,7 +14,7 @@
 install(
   FILES vppapigen.py
   RENAME vppapigen
-  DESTINATION bin
+  DESTINATION ${VPP_RUNTIME_DIR}
   PERMISSIONS
     OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
     WORLD_READ WORLD_EXECUTE
diff --git a/src/vpp-api/vapi/CMakeLists.txt b/src/vpp-api/vapi/CMakeLists.txt
index 4c74ae80928..04e7edd5f2a 100644
--- a/src/vpp-api/vapi/CMakeLists.txt
+++ b/src/vpp-api/vapi/CMakeLists.txt
@@ -55,6 +55,6 @@ install(
   vapi_cpp_gen.py
   vapi_json_parser.py
 
-  DESTINATION bin
+  DESTINATION ${VPP_RUNTIME_DIR}
   COMPONENT vpp-dev
 )