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added option to use system zmq (#1318)

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* added option to use system zmq
* added notes in release.txt
This commit is contained in:
Erik Fröjdh
2025-10-21 11:15:51 +02:00
committed by GitHub
parent 5041fd7fef
commit db91f06c02
4 changed files with 122 additions and 44 deletions
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145
CMakeLists.txt
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@@ -24,6 +24,7 @@ include(cmake/SlsAddFlag.cmake)
include(cmake/helpers.cmake)
option(SLS_USE_SYSTEM_ZMQ "Use system installed libzmq" OFF)
# Using FetchContent to get libzmq
include(FetchContent)
@@ -50,51 +51,111 @@ if(NOT PATCH_EXECUTABLE)
message(FATAL_ERROR "The 'patch' tool is required for patching lib zeromq. Please install it.")
endif()
if(SLS_FETCH_ZMQ_FROM_GITHUB)
# Opt in to pull down a zmq version from github instead of
# using the bundled version
FetchContent_Declare(
libzmq
GIT_REPOSITORY https://github.com/zeromq/libzmq.git
GIT_TAG v${SLS_LIBZMQ_VERSION}
PATCH_COMMAND ${CMAKE_COMMAND} -E chdir <SOURCE_DIR> patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq_cmake_version.patch
UPDATE_DISCONNECTED 1
)
if(SLS_USE_SYSTEM_ZMQ)
# find_package(ZeroMQ REQUIRED)
# 1) Try a CMake package config if available (vcpkg, Homebrew, source builds)
# Many installs export either ZeroMQ::libzmq or libzmq.
find_package(ZeroMQ QUIET CONFIG)
set(ZEROMQ_TARGET "")
if (TARGET ZeroMQ::libzmq)
set(ZEROMQ_TARGET ZeroMQ::libzmq)
message(STATUS "Found target: ${ZEROMQ_TARGET} version: ${ZeroMQ_VERSION}")
elseif (TARGET libzmq)
set(ZEROMQ_TARGET libzmq)
message(STATUS "Found target: ${ZEROMQ_TARGET} version: ${ZeroMQ_VERSION}")
elseif (TARGET ZeroMQ::ZeroMQ) # rare older naming
set(ZEROMQ_TARGET ZeroMQ::ZeroMQ)
message(STATUS "Found target: ${ZEROMQ_TARGET} version: ${ZeroMQ_VERSION}")
endif()
# 2) Fallback: use pkg-config hints + manual find_* to create an imported target
if (NOT ZEROMQ_TARGET)
find_package(PkgConfig QUIET)
if (PkgConfig_FOUND)
pkg_check_modules(PC_ZeroMQ QUIET libzmq)
endif()
find_path(ZEROMQ_INCLUDE_DIR
NAMES zmq.h
HINTS ${PC_ZeroMQ_INCLUDE_DIRS}
)
find_library(ZEROMQ_LIBRARY
NAMES zmq libzmq
HINTS ${PC_ZeroMQ_LIBRARY_DIRS}
)
if (ZEROMQ_INCLUDE_DIR AND ZEROMQ_LIBRARY)
add_library(libzmq UNKNOWN IMPORTED)
set_target_properties(libzmq PROPERTIES
IMPORTED_LOCATION "${ZEROMQ_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${ZEROMQ_INCLUDE_DIR}"
)
set(ZEROMQ_TARGET libzmq)
endif()
message(STATUS "ZeroMQ version (pkg-config): ${PC_ZeroMQ_VERSION}")
endif()
# 3) Error out if still not found, with a helpful message
if (NOT ZEROMQ_TARGET)
message(FATAL_ERROR "ZeroMQ (libzmq) not found. Please install ZeroMQ development files.")
endif()
# Use it
# target_link_libraries(your_target PRIVATE ${ZEROMQ_TARGET})
message(STATUS "Using system installed libzmq: ${ZeroMQ_LIBRARIES}")
message(STATUS "ZeroMQ target: ${ZEROMQ_TARGET}")
message(STATUS "ZeroMQ include dirs: ${ZeroMQ_INCLUDE_DIRS}")
else()
# Standard behaviour use libzmq included in this repo (libs/libzmq)
FetchContent_Declare(
libzmq
URL ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq-${SLS_LIBZMQ_VERSION}.tar.gz
URL_HASH MD5=cc20b769ac10afa352e5ed2769bb23b3
PATCH_COMMAND ${CMAKE_COMMAND} -E chdir <SOURCE_DIR> patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq_cmake_version.patch
UPDATE_DISCONNECTED 1
)
if(SLS_FETCH_ZMQ_FROM_GITHUB)
# Opt in to pull down a zmq version from github instead of
# using the bundled version
FetchContent_Declare(
libzmq
GIT_REPOSITORY https://github.com/zeromq/libzmq.git
GIT_TAG v${SLS_LIBZMQ_VERSION}
PATCH_COMMAND ${CMAKE_COMMAND} -E chdir <SOURCE_DIR> patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq_cmake_version.patch
UPDATE_DISCONNECTED 1
)
else()
# Standard behaviour use libzmq included in this repo (libs/libzmq)
FetchContent_Declare(
libzmq
URL ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq-${SLS_LIBZMQ_VERSION}.tar.gz
URL_HASH MD5=cc20b769ac10afa352e5ed2769bb23b3
PATCH_COMMAND ${CMAKE_COMMAND} -E chdir <SOURCE_DIR> patch -p1 < ${CMAKE_CURRENT_SOURCE_DIR}/libs/libzmq/libzmq_cmake_version.patch
UPDATE_DISCONNECTED 1
)
endif()
# Disable unwanted options from libzmq
set(BUILD_TESTS OFF CACHE BOOL "Switch off libzmq test build")
set(BUILD_SHARED OFF CACHE BOOL "Switch off libzmq shared libs")
set(WITH_PERF_TOOL OFF CACHE BOOL "")
set(ENABLE_CPACK OFF CACHE BOOL "")
set(ENABLE_CLANG OFF CACHE BOOL "")
set(ENABLE_CURVE OFF CACHE BOOL "")
set(ENABLE_DRAFTS OFF CACHE BOOL "")
set(ENABLE_PRECOMPILED OFF CACHE BOOL "")
set(WITH_DOC OFF CACHE BOOL "")
set(WITH_DOCS OFF CACHE BOOL "")
# Using GetProperties and Populate to be able to exclude zmq
# from install (not possible with FetchContent_MakeAvailable(libzmq))
FetchContent_GetProperties(libzmq)
if(NOT libzmq_POPULATED)
FetchContent_Populate(libzmq)
add_subdirectory(${libzmq_SOURCE_DIR} ${libzmq_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
endif()
# Disable unwanted options from libzmq
set(BUILD_TESTS OFF CACHE BOOL "Switch off libzmq test build")
set(BUILD_SHARED OFF CACHE BOOL "Switch off libzmq shared libs")
set(WITH_PERF_TOOL OFF CACHE BOOL "")
set(ENABLE_CPACK OFF CACHE BOOL "")
set(ENABLE_CLANG OFF CACHE BOOL "")
set(ENABLE_CURVE OFF CACHE BOOL "")
set(ENABLE_DRAFTS OFF CACHE BOOL "")
set(ENABLE_PRECOMPILED OFF CACHE BOOL "")
set(WITH_DOC OFF CACHE BOOL "")
set(WITH_DOCS OFF CACHE BOOL "")
# Using GetProperties and Populate to be able to exclude zmq
# from install (not possible with FetchContent_MakeAvailable(libzmq))
FetchContent_GetProperties(libzmq)
if(NOT libzmq_POPULATED)
FetchContent_Populate(libzmq)
add_subdirectory(${libzmq_SOURCE_DIR} ${libzmq_BINARY_DIR} EXCLUDE_FROM_ALL)
endif()
include(GNUInstallDirs)
# If conda build, always set lib dir to 'lib'