CMakeLists.txt

   1
   2 #
   3 #==================================================================================
   4 #       Copyright (c) 2019 Nokia
   5 #       Copyright (c) 2018-2019 AT&T Intellectual Property.
   6 #
   7 #   Licensed under the Apache License, Version 2.0 (the "License");
   8 #   you may not use this file except in compliance with the License.
   9 #   You may obtain a copy of the License at
  10 #
  11 #       http://www.apache.org/licenses/LICENSE-2.0
  12 #
  13 #   Unless required by applicable law or agreed to in writing, software
  14 #   distributed under the License is distributed on an "AS IS" BASIS,
  15 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 #   See the License for the specific language governing permissions and
  17 #   limitations under the License.
  18 #==================================================================================
  19 #
  20
  21 project( rmr LANGUAGES C )
  22 cmake_minimum_required( VERSION 3.5 )
  23
  24
  25 set( major_version "1" )
  26 set( minor_version "0" )
  27 set( patch_level "15" )
  28
  29 set( install_root "${CMAKE_INSTALL_PREFIX}" )
  30 set( install_lib "lib" )
  31 set( install_inc "include/rmr" )
  32 if( MAN_PREFIX )
  33         set( install_man ${MAN_PREFIX} )                        # is there a cmake var for this -- can't find one
  34 else()
  35         set( install_man "/usr/share/man" )                     # this needs to be fixed so it's not hard coded
  36 endif()
  37
  38 # Must use GNUInstallDirs to install libraries into correct
  39 # locations on all platforms.
  40 include( GNUInstallDirs )
  41
  42 if( NOT BUILD_LIB )
  43         set( BUILD_LIB lib )
  44 endif()
  45
  46 # ---------------- set version info (not perfect, but better than nothing) ----
  47 execute_process(
  48         COMMAND bash -c "git rev-parse --short HEAD|awk '{printf\"%s\", $0}'"
  49         OUTPUT_VARIABLE git_id
  50 )
  51
  52 add_definitions(
  53         -DGIT_ID=${git_id}
  54         -DMAJOR_VER=${major_version}
  55         -DMINOR_VER=${minor_version}
  56         -DPATCH_VER=${patch_level}
  57 )
  58
  59
  60 # ---------------- setup nano/nng things ---------------------------------------
  61 if( NOT SKIP_EXTERNALS )
  62         set( need_ext 1 )                               # we force dependences on these for right build order
  63     execute_process( COMMAND  git submodule update --init -- ext/nng
  64             WORKING_DIRECTORY  ${CMAKE_CURRENT_SOURCE_DIR}
  65     )
  66
  67     execute_process( COMMAND  git submodule update --init -- ext/nanomsg
  68             WORKING_DIRECTORY  ${CMAKE_CURRENT_SOURCE_DIR}
  69     )
  70     if( NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/ext/nng/CMakeLists.txt )
  71         message( FATAL_ERROR "cannot find nng in our git source as a submodule: Giving up" )    # this will abort which seems wrong, but tdam.
  72     endif()
  73
  74         include( ExternalProject )
  75         ExternalProject_Add(
  76                 ext_nng
  77                 SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/nng"
  78                 CMAKE_ARGS "-DBUILD_SHARED_LIBS=1"
  79                 CMAKE_ARGS "-DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}"
  80                 BUILD_COMMAND "make"
  81                 UPDATE_COMMAND ""
  82                 TEST_COMMAND ""
  83                 STEP_TARGETS build
  84         )
  85         ExternalProject_Add(
  86                 nanomsg
  87                 SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ext/nanomsg"
  88                 BUILD_COMMAND "make"
  89                 UPDATE_COMMAND ""
  90                 CMAKE_ARGS "-DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}"
  91                 TEST_COMMAND ""
  92                 STEP_TARGETS build
  93         )
  94
  95         # it seems impossible to install everything that lands in {bin}/lib, so we need to
  96         # hard code (shudder) some things. Even worse, we have to make exceptions for
  97         # builds on apple (osx) since their naming convention wandered off the path.
  98         set( nng_major 1 )
  99         set( nng_minor 1.0 )
 100         set( nano_major 5 )
 101         set( nano_minor 1.0 )
 102         set( so ${CMAKE_SHARED_LIBRARY_SUFFIX} )        # cmake variables are impossibly long :(
 103         if( NOT APPLE )                                 # probably breaks in windows, but idc
 104                 set( nng_so_suffix ${so} )
 105                 set( nng_so_suffix_m ${so}.${nng_major} )
 106                 set( nng_so_suffix_mm ${so}.${nng_major}.${nng_minor} )
 107
 108                 set( nano_so_suffix ${so} )
 109                 set( nano_so_suffix_m ${so}.${nano_major} )
 110                 set( nano_so_suffix_mm ${so}.${nano_major}.${nano_minor} )
 111         else()
 112                 # of course apple puts versions before the suffix :(
 113                 set( nng_so_suffix ${so} )                                                                      # so has a lead dot, so NOT needed
 114                 set( nng_so_suffix_m ".${nng_major}${so}" )                                     # these need leading dots
 115                 set( nng_so_suffix_mm ".${nng_major}.${nng_minor}${so}" )
 116
 117                 set( nano_so_suffix ${so} )
 118                 set( nano_so_suffix_m ".${nano_major}${so}" )
 119                 set( nano_so_suffix_mm ".${nano_major}.${nano_minor}${so}" )
 120         endif()
 121
 122         message( "+++ installing nano/nng with: ${nano_major}.${nano_minor} | ${nng_major}.${nng_minor}" )
 123 else()
 124         set( need_ext 0 )
 125 endif()
 126 unset( SKIP_EXTERNALS  CACHE )  # prevent it from being applied next build unless specifically set on comd line
 127
 128
 129 # this gets us round a chicken/egg problem. include files don't exist until make is run
 130 # but Cmake insists on having these exist when we add them to include directories to
 131 # enable rmr code to find them after we build them.
 132 #
 133 execute_process( COMMAND "mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/include/nng" )
 134 include_directories( "${CMAKE_CURRENT_BINARY_DIR}/include" )
 135
 136
 137 # Compiler flags
 138 #
 139 set( CMAKE_POSITION_INDEPENDENT_CODE ON )
 140 set( CMAKE_CXX_FLAGS "-g -Wall " )
 141
 142 # Include modules
 143 add_subdirectory( src/common )
 144 add_subdirectory( src/nanomsg )
 145 add_subdirectory( src/nng )
 146 add_subdirectory( doc )                         # this will auto skip if {X}fm is not available
 147
 148
 149 # shared and static libraries built from the same object files
 150 # Nanomsg based library (librmr )
 151 # library is built by pulling object files from nano and common subdirs
 152 #
 153 add_library( rmr_shared SHARED "$<TARGET_OBJECTS:nano_objects>;$<TARGET_OBJECTS:common_objects>" )
 154 add_library( rmr_static STATIC "$<TARGET_OBJECTS:nano_objects>;$<TARGET_OBJECTS:common_objects>" )
 155
 156 # both libraries to be named with librmr prefix
 157 set_target_properties( rmr_shared PROPERTIES OUTPUT_NAME "rmr" )
 158 set_target_properties( rmr_static PROPERTIES OUTPUT_NAME "rmr" )
 159
 160
 161 # NNG based library (librmr_nng )
 162 # library is built by pulling objects from nng and common subdirs
 163 #
 164 add_library( rmr_nng_shared SHARED "$<TARGET_OBJECTS:nng_objects>;$<TARGET_OBJECTS:common_objects>" )
 165 add_library( rmr_nng_static STATIC "$<TARGET_OBJECTS:nng_objects>;$<TARGET_OBJECTS:common_objects>" )
 166
 167
 168
 169 # if externals need to be built, then we must force them to be built first by depending on them
 170 if( need_ext )
 171         add_dependencies( rmr_static;rmr_shared nanomsg )
 172         add_dependencies( rmr_nng_shared;rmr_nng_static ext_nng )
 173 endif()
 174
 175
 176 # both libraries to be named with librmr_nng prefix
 177 #
 178 set_target_properties( rmr_nng_shared PROPERTIES OUTPUT_NAME "rmr_nng" )
 179 set_target_properties( rmr_nng_static PROPERTIES OUTPUT_NAME "rmr_nng" )
 180
 181 #
 182 if( APPLE  )
 183         message( "### apple hack: forcing hard coded library paths for nng/nano dynamic libraries" )
 184         target_link_libraries( rmr_shared ${CMAKE_CURRENT_BINARY_DIR}/lib/libnanomsg${nano_so_suffix} )
 185         target_link_libraries( rmr_nng_shared ${CMAKE_CURRENT_BINARY_DIR}/lib/libnng${nng_so_suffix} )
 186 endif()
 187
 188 # Define directories where package should drop things when installed
 189 # In CMake speak archive == *.a  library == *.so, so both are needed
 190 # Headers from the common directory are forced to install by the local CM file in common. At
 191 # the moment, there are no header files specific to either nano or nng, so to the public
 192 # header directive is moot, but needed if some day there is one.
 193 #
 194 install( TARGETS rmr_nng_shared;rmr_nng_static;rmr_shared;rmr_static EXPORT LibraryConfig
 195     ARCHIVE  DESTINATION ${install_lib}
 196     LIBRARY  DESTINATION ${install_lib}
 197     PUBLIC_HEADER DESTINATION ${install_inc}
 198 )
 199
 200
 201
 202 # install any nano/nng libraries in to the deb as well, but ONLY if we created them.
 203 # (sure would be nice if FILEs allowed for globbing; sadlyy it does not.
 204 #
 205 if( need_ext )
 206         message( "including nano and nng libraries in the deb" )
 207         install( FILES
 208                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnanomsg${nano_so_suffix}
 209                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnanomsg${nano_so_suffix_m}
 210                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnanomsg${nano_so_suffix_mm}
 211                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnng${nng_so_suffix}
 212                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnng${nng_so_suffix_m}
 213                 ${CMAKE_CURRENT_BINARY_DIR}/${BUILD_LIB}/libnng${nng_so_suffix_mm}
 214
 215                 DESTINATION ${install_lib}
 216         )
 217 endif()
 218
 219
 220 IF( EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake" )
 221         include( InstallRequiredSystemLibraries )
 222
 223         set( CPACK_set_DESTDIR "on" )
 224         set( CPACK_PACKAGING_INSTALL_PREFIX "${install_root}" )
 225         set( CPACK_GENERATOR "DEB" )
 226
 227         set( CPACK_PACKAGE_DESCRIPTION "Thin library for RIC xAPP messaging routed based on message type." )
 228         set( CPACK_PACKAGE_DESCRIPTION_SUMMARY "RIC message routing library" )
 229         set( CPACK_PACKAGE_VENDOR "None" )
 230         set( CPACK_PACKAGE_CONTACT "None" )
 231         set( CPACK_PACKAGE_VERSION_MAJOR "${major_version}" )
 232         set( CPACK_PACKAGE_VERSION_MINOR "${minor_version}" )
 233         set( CPACK_PACKAGE_VERSION_PATCH "${patch_level}" )
 234         set( CPACK_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}_${major_version}.${minor_version}.${CPACK_PACKAGE_VERSION_PATCH}" )
 235         set( CPACK_SOURCE_PACKAGE_FILE_NAME "vric${CMAKE_PROJECT_NAME}_${major_version}.${minor_version}.${CPACK_PACKAGE_VERSION_PATCH}" )
 236
 237         # we build and ship the libraries, so there is NO dependency
 238         #set( CPACK_DEBIAN_PACKAGE_DEPENDS "nanomsg ( >= 1.1.4 ), nng ( >= 1.1.1 )" )
 239
 240         set( CPACK_DEBIAN_PACKAGE_PRIORITY "optional" )
 241         set( CPACK_DEBIAN_PACKAGE_SECTION "ric" )
 242         set( CPACK_DEBIAN_ARCHITECTURE ${CMAKE_SYSTEM_PROCESSOR} )
 243
 244         # this seems ingnored if included
 245         #set( CPACK_COMPONENTS_ALL Libraries ApplicationData )
 246
 247         INCLUDE( CPack )
 248 ENDIF()