1 files changed, 193 insertions, 0 deletions
diff --git a/src/ceph/cmake/modules/BuildBoost.cmake b/src/ceph/cmake/modules/BuildBoost.cmake
new file mode 100644
index 0000000..1e5bcd5
--- /dev/null
+++ b/src/ceph/cmake/modules/BuildBoost.cmake
@@ -0,0 +1,193 @@
+# This module builds Boost
+# executables are. It sets the following variables:
+#
+#  Boost_FOUND : boolean            - system has Boost
+#  Boost_LIBRARIES : list(filepath) - the libraries needed to use Boost
+#  Boost_INCLUDE_DIRS : list(path)  - the Boost include directories
+#
+# Following hints are respected
+#
+#  Boost_USE_STATIC_LIBS : boolean (default: OFF)
+#  Boost_USE_MULTITHREADED : boolean (default: OFF)
+#  BOOST_J: integer (defanult 1)
+
+function(do_build_boost version)
+  cmake_parse_arguments(Boost_BUILD "" "" COMPONENTS ${ARGN})
+  set(boost_features "variant=release")
+  if(Boost_USE_MULTITHREADED)
+    list(APPEND boost_features "threading=multi")
+  else()
+    list(APPEND boost_features "threading=single")
+  endif()
+  if(Boost_USE_STATIC_LIBS)
+    list(APPEND boost_features "link=static")
+  else()
+    list(APPEND boost_features "link=shared")
+  endif()
+  if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    list(APPEND boost_features "address-model=64")
+  else()
+    list(APPEND boost_features "address-model=32")
+  endif()
+  set(BOOST_CXXFLAGS "-fPIC -w") # check on arm, etc <---XXX
+  list(APPEND boost_features "cxxflags=${BOOST_CXXFLAGS}")
+
+  string(REPLACE ";" "," boost_with_libs "${Boost_BUILD_COMPONENTS}")
+  # build b2 and prepare the project-config.jam for boost
+  set(configure_command
+    ./bootstrap.sh --prefix=<INSTALL_DIR>
+    --with-libraries=${boost_with_libs})
+
+  set(b2 ./b2)
+  if(BOOST_J)
+    message(STATUS "BUILDING Boost Libraries at j ${BOOST_J}")
+    list(APPEND b2 -j${BOOST_J})
+  endif()
+  if(CMAKE_VERBOSE_MAKEFILE)
+    list(APPEND b2 -d1)
+  else()
+    list(APPEND b2 -d0)
+  endif()
+
+  if(NOT CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL CMAKE_SYSTEM_PROCESSOR)
+    # we are crosscompiling
+    if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
+      set(b2_cc gcc)
+    elseif(CMAKE_CXX_COMPILER_ID STREQUAL Clang)
+      set(b2_cc clang)
+    else()
+      message(SEND_ERROR "unknown compiler: ${CMAKE_CXX_COMPILER_ID}")
+    endif()
+    # edit the config.jam so, b2 will be able to use the specified toolset
+    execute_process(
+      COMMAND
+      sed -i
+      "s|using ${b2_cc} ;|using ${b2_cc} : ${CMAKE_SYSTEM_PROCESSOR} : ${CMAKE_CXX_COMPILER} ;|"
+      ${PROJECT_SOURCE_DIR}/src/boost/project-config.jam)
+    # use ${CMAKE_SYSTEM_PROCESSOR} as the version identifier of compiler
+    list(APPEND b2 toolset=${b2_cc}-${CMAKE_SYSTEM_PROCESSOR})
+  endif()
+
+  set(build_command
+    ${b2} headers stage
+    #"--buildid=ceph" # changes lib names--can omit for static
+    ${boost_features})
+  set(install_command
+    ${b2} install)
+  set(boost_root_dir "${CMAKE_BINARY_DIR}/boost")
+  if(EXISTS "${PROJECT_SOURCE_DIR}/src/boost/libs/config/include/boost/config.hpp")
+    message(STATUS "boost already in src")
+    set(source_dir
+      SOURCE_DIR "${PROJECT_SOURCE_DIR}/src/boost")
+  elseif(version VERSION_GREATER 1.63)
+    message(FATAL_ERROR "Unknown BOOST_REQUESTED_VERSION: ${version}")
+  else()
+    message(STATUS "boost will be downloaded...")
+    # NOTE: If you change this version number make sure the package is available
+    # at the three URLs below (may involve uploading to download.ceph.com)
+    set(boost_version 1.63.0)
+    set(boost_md5 1c837ecd990bb022d07e7aab32b09847)
+    string(REPLACE "." "_" boost_version_underscore ${boost_version} )
+    set(boost_url 
+      https://dl.bintray.com/boostorg/release/${boost_version}/source/boost_${boost_version_underscore}.tar.bz2)
+    if(CMAKE_VERSION VERSION_GREATER 3.7)
+      set(boost_url
+        "${boost_url} http://downloads.sourceforge.net/project/boost/boost/${boost_version}/boost_${boost_version_underscore}.tar.bz2")
+      set(boost_url
+        "${boost_url} https://download.ceph.com/qa/boost_${boost_version_underscore}.tar.bz2")
+    endif()
+    set(source_dir
+      URL ${boost_url}
+      URL_MD5 ${boost_md5})
+    if(CMAKE_VERSION VERSION_GREATER 3.0)
+      list(APPEND source_dir DOWNLOAD_NO_PROGRESS 1)
+    endif()
+  endif()
+  # build all components in a single shot
+  include(ExternalProject)
+  ExternalProject_Add(Boost
+    ${source_dir}
+    CONFIGURE_COMMAND CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} ${configure_command}
+    BUILD_COMMAND CC=${CMAKE_C_COMPILER} CXX=${CMAKE_CXX_COMPILER} ${build_command}
+    BUILD_IN_SOURCE 1
+    INSTALL_COMMAND ${install_command}
+    PREFIX "${boost_root_dir}")
+endfunction()
+
+macro(build_boost version)
+  do_build_boost(version ${ARGN})
+  ExternalProject_Get_Property(Boost install_dir)
+  set(Boost_INCLUDE_DIRS ${install_dir}/include)
+  set(Boost_INCLUDE_DIR ${install_dir}/include)
+  # create the directory so cmake won't complain when looking at the imported
+  # target
+  file(MAKE_DIRECTORY ${Boost_INCLUDE_DIRS})
+  cmake_parse_arguments(Boost_BUILD "" "" COMPONENTS ${ARGN})
+  foreach(c ${Boost_BUILD_COMPONENTS})
+    string(TOUPPER ${c} upper_c)
+    if(Boost_USE_STATIC_LIBS)
+      add_library(Boost::${c} STATIC IMPORTED)
+    else()
+      add_library(Boost::${c} SHARED IMPORTED)
+    endif()
+    add_dependencies(Boost::${c} Boost)
+    if(Boost_USE_STATIC_LIBS)
+      set(Boost_${upper_c}_LIBRARY
+        ${install_dir}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}boost_${c}${CMAKE_STATIC_LIBRARY_SUFFIX})
+    else()
+      set(Boost_${upper_c}_LIBRARY
+        ${install_dir}/lib/${CMAKE_SHARED_LIBRARY_PREFIX}boost_${c}${CMAKE_SHARED_LIBRARY_SUFFIX})
+    endif()
+    set_target_properties(Boost::${c} PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}"
+      IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
+      IMPORTED_LOCATION "${Boost_${upper_c}_LIBRARY}")
+    list(APPEND Boost_LIBRARIES ${Boost_${upper_c}_LIBRARY})
+  endforeach()
+
+  # for header-only libraries
+  if(CMAKE_VERSION VERSION_LESS 3.3)
+    # only ALIAS and INTERFACE target names allow ":" in it, but
+    # INTERFACE library is not allowed until cmake 3.1
+    add_custom_target(Boost.boost DEPENDS Boost)
+  else()
+    add_library(Boost.boost INTERFACE IMPORTED)
+    set_target_properties(Boost.boost PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${Boost_INCLUDE_DIRS}")
+    add_dependencies(Boost.boost Boost)
+  endif()
+  find_package_handle_standard_args(Boost DEFAULT_MSG
+    Boost_INCLUDE_DIRS Boost_LIBRARIES)
+  mark_as_advanced(Boost_LIBRARIES BOOST_INCLUDE_DIRS)
+endmacro()
+
+function(maybe_add_boost_dep target)
+  get_target_property(imported ${target} IMPORTED)
+  if(imported)
+    return()
+  endif()
+  get_target_property(type ${target} TYPE)
+  if(NOT type MATCHES "OBJECT_LIBRARY|STATIC_LIBRARY|SHARED_LIBRARY|EXECUTABLE")
+    return()
+  endif()
+  get_target_property(sources ${target} SOURCES)
+  foreach(src ${sources})
+    get_filename_component(ext ${src} EXT)
+    # assuming all cxx source files include boost header(s)
+    if(ext MATCHES ".cc|.cpp|.cxx")
+      add_dependencies(${target} Boost.boost)
+      return()
+    endif()
+  endforeach()
+endfunction()
+
+# override add_library() to add Boost headers dependency
+function(add_library target)
+  _add_library(${target} ${ARGN})
+  maybe_add_boost_dep(${target})
+endfunction()
+
+function(add_executable target)
+  _add_executable(${target} ${ARGN})
+  maybe_add_boost_dep(${target})
+endfunction()