CMakeLists.txt

cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)

#============================================================================
# Initialize the project
#============================================================================
project(gz-transport12 VERSION 12.2.0)

#============================================================================
# Find gz-cmake
#============================================================================
# If you get an error at this line, you need to install gz-cmake
find_package(gz-cmake3 REQUIRED)
set(GZ_CMAKE_VER ${gz-cmake3_VERSION_MAJOR})

#============================================================================
# Configure the project
#============================================================================
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

gz_configure_project(VERSION_SUFFIX)

#============================================================================
# Set project-specific options
#============================================================================

# gz-transport currently has no options that are unique to it

if (UNIX AND NOT APPLE)
  set (EXTRA_TEST_LIB_DEPS stdc++fs)
else()
  set (EXTRA_TEST_LIB_DEPS)
endif()

#============================================================================
# Search for project-specific dependencies
#============================================================================
message(STATUS "\n\n-- ====== Finding Dependencies ======")

#--------------------------------------
# Find Protobuf
gz_find_package(GzProtobuf
                REQUIRED
                PRETTY Protobuf)

#--------------------------------------
# Find ZeroMQ
gz_find_package(ZeroMQ VERSION 4 REQUIRED PRIVATE)

if (UNIX AND NOT APPLE)
  execute_process(COMMAND lsb_release -cs
    OUTPUT_VARIABLE RELEASE_CODENAME
    RESULT_VARIABLE LSB_RESULT
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )

  if( NOT (${LSB_RESULT} STREQUAL "0"))
    message(WARNING "lsb_release executable not found. Disabling focal-specific workarounds")
  elseif (${RELEASE_CODENAME} STREQUAL "focal")
    set(UBUNTU_FOCAL 1)
  elseif (${RELEASE_CODENAME} STREQUAL "bullseye")
    set(DEBIAN_BULLSEYE 1)
  endif()
endif()

#--------------------------------------
# Find cppzmq
gz_find_package(CPPZMQ REQUIRED PRIVATE
  PKGCONFIG_IGNORE # NOTE: cppzmq does not seem to offer a pkg-config file
  PRETTY CppZMQ)

#--------------------------------------
# Find uuid
if (MSVC)
  message (STATUS "UUID: Using Windows RPC UuidCreate function\n")
else()
  gz_find_package(UUID REQUIRED)
endif()

#--------------------------------------
# Find gz-utils
gz_find_package(gz-utils2 REQUIRED COMPONENTS cli)
set(GZ_UTILS_VER ${gz-utils2_VERSION_MAJOR})

#--------------------------------------
# Find gz-msgs
gz_find_package(gz-msgs9 REQUIRED)
set(GZ_MSGS_VER ${gz-msgs9_VERSION_MAJOR})

#--------------------------------------
# Find ifaddrs
gz_find_package(IFADDRS QUIET)
if (IFADDRS_FOUND)
  set (HAVE_IFADDRS ON CACHE BOOL "HAVE IFADDRS" FORCE)
else ()
  set (HAVE_IFADDRS OFF CACHE BOOL "HAVE IFADDRS" FORCE)
endif()

#--------------------------------------
# Find if command is available. This is used to enable tests.
# Note that CLI files are installed regardless of whether the dependency is
# available during build time
find_program(HAVE_GZ_TOOLS gz)
set (GZ_TOOLS_VER 2)

#--------------------------------------
# Find SQLite3
gz_find_package(SQLite3
  VERSION 3.7.13
  REQUIRED_BY log
  PRIVATE_FOR log
  PRETTY sqlite3)


#============================================================================
# Configure the build
#============================================================================
gz_configure_build(QUIT_IF_BUILD_ERRORS
  COMPONENTS log parameters)

#============================================================================
# gz command line support
#============================================================================
add_subdirectory(conf)

#============================================================================
# Create package information
#============================================================================
gz_create_packages()

#============================================================================
# Configure documentation
#============================================================================
configure_file(${CMAKE_SOURCE_DIR}/api.md.in ${CMAKE_BINARY_DIR}/api.md)
configure_file(${CMAKE_SOURCE_DIR}/tutorials.md.in ${CMAKE_BINARY_DIR}/tutorials.md)

gz_create_docs(
  API_MAINPAGE_MD "${CMAKE_BINARY_DIR}/api.md"
  TUTORIALS_MAINPAGE_MD "${CMAKE_BINARY_DIR}/tutorials.md")