project(vpp C)
include(CheckCCompilerFlag)
-
-include(cmake/message.cmake)
+include(cmake/misc.cmake)
include(cmake/cpu.cmake)
include(cmake/ccache.cmake)
+##############################################################################
+# VPP Version
+##############################################################################
+execute_process(
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ COMMAND scripts/version
+ OUTPUT_VARIABLE VPP_VERSION
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+string(REPLACE "-" ";" VPP_LIB_VERSION ${VPP_VERSION})
+list(GET VPP_LIB_VERSION 0 VPP_LIB_VERSION)
+
+##############################################################################
+# cross compiling
+##############################################################################
+if(CMAKE_CROSSCOMPILING)
+ set(CMAKE_IGNORE_PATH
+ /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/
+ /usr/lib/${CMAKE_HOST_SYSTEM_PROCESSOR}-linux-gnu/lib/
+ )
+endif()
+set(CMAKE_C_COMPILER_TARGET ${CMAKE_SYSTEM_PROCESSOR}-linux-gnu)
+
##############################################################################
# build config
##############################################################################
+check_c_compiler_flag("-Wno-address-of-packed-member"
+ compiler_flag_no_address_of_packed_member)
+
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
-set(CMAKE_C_FLAGS_COMMON "-DFORTIFY_SOURCE=2 -fstack-protector-all -Werror")
-set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${CMAKE_C_FLAGS_COMMON} -DCLIB_DEBUG")
-set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${CMAKE_C_FLAGS_COMMON}")
-check_c_compiler_flag("-Wno-address-of-packed-member" compiler_flag_no_address_of_packed_member)
+if (CMAKE_BUILD_TYPE)
+ set(CMAKE_C_FLAGS "-g -fPIC ${CMAKE_C_FLAGS}")
+ set(CMAKE_C_FLAGS "-fstack-protector-all ${CMAKE_C_FLAGS}")
+ set(CMAKE_C_FLAGS "-Werror ${CMAKE_C_FLAGS}")
+ set(CMAKE_C_FLAGS "-DFORTIFY_SOURCE=2 ${CMAKE_C_FLAGS}")
+endif()
+
if (compiler_flag_no_address_of_packed_member)
- add_definitions(-Wno-address-of-packed-member)
+ set(CMAKE_C_FLAGS "-Wno-address-of-packed-member ${CMAKE_C_FLAGS}")
endif()
+set(CMAKE_C_FLAGS_RELEASE "-O2 ${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_DEBUG "-O0 -DCLIB_DEBUG ${CMAKE_C_FLAGS_DEBUG}")
+set(CMAKE_LINKER_FLAGS_RELEASE "-pie -Wl,-z,now ${CMAKE_LINKER_FLAGS_RELEASE}")
+string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UC)
+
##############################################################################
# install config
##############################################################################
-set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${VPP_LIB_DIR_NAME}")
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
set(CMAKE_INSTALL_MESSAGE NEVER)
-message(STATUS "CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
-message(STATUS "We are on a ${CMAKE_SYSTEM_NAME} system")
-message(STATUS "The host processor is ${CMAKE_HOST_SYSTEM_PROCESSOR}")
-
include_directories (
${CMAKE_SOURCE_DIR}
${CMAKE_BINARY_DIR}
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
-find_package(OpenSSL REQUIRED)
-include(cmake/memfd.cmake)
+include(cmake/syscall.cmake)
include(cmake/api.cmake)
include(cmake/library.cmake)
include(cmake/exec.cmake)
##############################################################################
# subdirs - order matters
##############################################################################
-foreach(
- DIR
- vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
- vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool
-)
+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+ find_package(OpenSSL REQUIRED)
+ set(SUBDIRS
+ vppinfra svm vlib vlibmemory vlibapi vnet vpp vat vcl plugins
+ vpp-api tools/vppapigen tools/g2 tools/elftool tools/perftool cmake pkg
+ tools/appimage
+ )
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
+ set(SUBDIRS vppinfra)
+else()
+ message(FATAL_ERROR "Unsupported system: ${CMAKE_SYSTEM_NAME}")
+endif()
+
+foreach(DIR ${SUBDIRS})
add_subdirectory(${DIR})
endforeach()
-include(cmake/pack.cmake)
+##############################################################################
+# detect if we are inside git repo and add configure dependency
+##############################################################################
+execute_process(
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ COMMAND git rev-parse --show-toplevel
+ OUTPUT_VARIABLE VPP_GIT_TOPLEVEL_DIR
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ ERROR_QUIET
+)
+
+if (VPP_GIT_TOPLEVEL_DIR)
+ set_property(
+ DIRECTORY APPEND PROPERTY
+ CMAKE_CONFIGURE_DEPENDS ${VPP_GIT_TOPLEVEL_DIR}/.git/index
+ )
+endif()
+
+##############################################################################
+# print configuration
+##############################################################################
+message(STATUS "Configuration:")
+pr("VPP version" "${VPP_VERSION}")
+pr("VPP library version" "${VPP_LIB_VERSION}")
+pr("GIT toplevel dir" "${VPP_GIT_TOPLEVEL_DIR}")
+pr("Build type" "${CMAKE_BUILD_TYPE}")
+pr("C flags" "${CMAKE_C_FLAGS}${CMAKE_C_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
+pr("Linker flags" "${CMAKE_LINKER_FLAGS}${CMAKE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UC}}")
+pr("Host processor" "${CMAKE_HOST_SYSTEM_PROCESSOR}")
+pr("Target processor" "${CMAKE_SYSTEM_PROCESSOR}")
+pr("Prefix path" "${CMAKE_PREFIX_PATH}")
+pr("Install prefix" "${CMAKE_INSTALL_PREFIX}")