1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
cmake_minimum_required(VERSION 3.11)
list (APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include (DetectCPPZMQVersion)
project(cppzmq VERSION ${DETECTED_CPPZMQ_VERSION})
if (NOT TARGET libzmq AND NOT TARGET libzmq-static)
find_package(ZeroMQ QUIET)
# libzmq autotools install: fallback to pkg-config
if(NOT ZeroMQ_FOUND)
message(STATUS "CMake libzmq package not found, trying again with pkg-config (normal install of zeromq)")
list (APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/libzmq-pkg-config)
find_package(ZeroMQ REQUIRED)
endif()
# TODO "REQUIRED" above should already cause a fatal failure if not found, but this doesn't seem to work
if(NOT ZeroMQ_FOUND)
message(FATAL_ERROR "ZeroMQ was not found, neither as a CMake package nor via pkg-config")
endif()
if (ZeroMQ_FOUND AND NOT (TARGET libzmq OR TARGET libzmq-static))
message(FATAL_ERROR "ZeroMQ version not supported!")
endif()
endif()
message(STATUS "cppzmq v${cppzmq_VERSION}")
set(CPPZMQ_HEADERS
zmq.hpp
zmq_addon.hpp
)
foreach (target cppzmq cppzmq-static)
add_library(${target} INTERFACE)
target_include_directories(${target} INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>)
endforeach()
target_link_libraries(cppzmq INTERFACE libzmq)
target_link_libraries(cppzmq-static INTERFACE libzmq-static)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
install(TARGETS cppzmq cppzmq-static
EXPORT ${PROJECT_NAME}-targets)
install(FILES ${CPPZMQ_HEADERS}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
# GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
set(CPPZMQ_CMAKECONFIG_INSTALL_DIR "share/cmake/${PROJECT_NAME}" CACHE STRING "install path for cppzmqConfig.cmake")
configure_file(libzmq-pkg-config/FindZeroMQ.cmake
libzmq-pkg-config/FindZeroMQ.cmake
COPYONLY)
export(EXPORT ${PROJECT_NAME}-targets
FILE "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake")
configure_package_config_file(${PROJECT_NAME}Config.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR})
# Workaround until ARCH_INDEPENDENT flag can be used with cmake 3.14.
# The ConigVersion.cmake file contains checks for the architecture is was
# generated on, which can cause problems for header only libraries
# used with e.g. the Conan package manager. Since it is header only we
# can/should omit those checks.
set(CPPZMQ_SIZEOF_VOID_P ${CMAKE_SIZEOF_VOID_P})
set(CMAKE_SIZEOF_VOID_P "") # a simple unset is not sufficient
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
VERSION ${CPPZMQ_VERSION}
COMPATIBILITY AnyNewerVersion)
set(CMAKE_SIZEOF_VOID_P ${CPPZMQ_SIZEOF_VOID_P})
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cppzmq.pc.in
${CMAKE_CURRENT_BINARY_DIR}/cppzmq.pc @ONLY)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/cppzmq.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(EXPORT ${PROJECT_NAME}-targets
FILE ${PROJECT_NAME}Targets.cmake
DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR})
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/libzmq-pkg-config/FindZeroMQ.cmake
DESTINATION ${CPPZMQ_CMAKECONFIG_INSTALL_DIR}/libzmq-pkg-config)
option(CPPZMQ_BUILD_TESTS "Whether or not to build the tests" ON)
if (CPPZMQ_BUILD_TESTS)
enable_testing()
add_subdirectory(tests)
if (CMAKE_CXX_STANDARD AND NOT CMAKE_CXX_STANDARD EQUAL 98 AND CMAKE_CXX_STANDARD GREATER_EQUAL 11)
add_subdirectory(examples)
endif()
endif()
|
