diff options
Diffstat (limited to 'packaging/cmake/Modules')
| -rw-r--r-- | packaging/cmake/Modules/FindGo.cmake | 39 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataCompilerFlags.cmake | 75 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataDetectSystemd.cmake | 42 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataFetchContentExtra.cmake | 27 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataGoTools.cmake | 85 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataProtobuf.cmake | 225 | ||||
| -rw-r--r-- | packaging/cmake/Modules/NetdataYAML.cmake | 65 |
7 files changed, 558 insertions, 0 deletions
diff --git a/packaging/cmake/Modules/FindGo.cmake b/packaging/cmake/Modules/FindGo.cmake new file mode 100644 index 000000000..454a0051e --- /dev/null +++ b/packaging/cmake/Modules/FindGo.cmake @@ -0,0 +1,39 @@ +# Custom CMake module to find the Go toolchain +# +# Copyright (c) 2024 Netdata Inc +# +# SPDX-License-Identifier: GPL-3.0-or-later +# +# This is a relatively orthodox CMake Find Module. It can be used by +# simply including it and then invoking `find_package(Go)`. +# +# Version handling is done by CMake itself via the +# find_package_handle_standard_args() function, so `find_package(Go 1.21)` +# will also work correctly. + +if(GO_FOUND) + return() +endif() + +# Two passes are needed here so that we prefer a copy in `/usr/local/go/bin` over a system copy. +find_program(GO_EXECUTABLE go PATHS /usr/local/go/bin DOC "Go toolchain" NO_DEFAULT_PATH) +find_program(GO_EXECUTABLE go DOC "Go toolchain") + +if (GO_EXECUTABLE) + execute_process( + COMMAND ${GO_EXECUTABLE} version + OUTPUT_VARIABLE GO_VERSION_STRING + RESULT_VARIABLE RESULT + ) + if (RESULT EQUAL 0) + string(REGEX MATCH "go([0-9]+\\.[0-9]+(\\.[0-9]+)?)" GO_VERSION_STRING "${GO_VERSION_STRING}") + string(REGEX MATCH "([0-9]+\\.[0-9]+(\\.[0-9]+)?)" GO_VERSION_STRING "${GO_VERSION_STRING}") + endif() +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args( + Go + REQUIRED_VARS GO_EXECUTABLE + VERSION_VAR GO_VERSION_STRING +) diff --git a/packaging/cmake/Modules/NetdataCompilerFlags.cmake b/packaging/cmake/Modules/NetdataCompilerFlags.cmake new file mode 100644 index 000000000..894e244ce --- /dev/null +++ b/packaging/cmake/Modules/NetdataCompilerFlags.cmake @@ -0,0 +1,75 @@ +# Functions to simplify handling of extra compiler flags. +# +# Copyright (c) 2024 Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later + +include(CheckCCompilerFlag) +include(CheckCXXCompilerFlag) + +# Construct a pre-processor safe name +# +# This takes a specified value, and assigns the generated name to the +# specified target. +function(make_cpp_safe_name value target) + string(REPLACE "-" "_" tmp "${value}") + string(REPLACE "=" "_" tmp "${tmp}") + set(${target} "${tmp}" PARENT_SCOPE) +endfunction() + +# Conditionally add an extra compiler flag to C and C++ flags. +# +# If the language flags already match the `match` argument, skip this flag. +# Otherwise, check for support for `flag` and if support is found, add it to +# the language-specific `target` flag group. +function(add_simple_extra_compiler_flag match flag target) + set(CMAKE_REQUIRED_FLAGS "-Werror") + + make_cpp_safe_name("${flag}" flag_name) + + if(NOT ${CMAKE_C_FLAGS} MATCHES ${match}) + check_c_compiler_flag("${flag}" HAVE_C_${flag_name}) + if(HAVE_C_${flag_name}) + set(${target}_C_FLAGS "${${target}_C_FLAGS} ${flag}" PARENT_SCOPE) + endif() + endif() + + if(NOT ${CMAKE_CXX_FLAGS} MATCHES ${match}) + check_cxx_compiler_flag("${flag}" HAVE_CXX_${flag_name}) + if(HAVE_CXX_${flag_name}) + set(${target}_CXX_FLAGS "${${target}_CXX_FLAGS} ${flag}" PARENT_SCOPE) + endif() + endif() +endfunction() + +# Same as add_simple_extra_compiler_flag, but check for a second flag if the +# first one is unsupported. +function(add_double_extra_compiler_flag match flag1 flag2 target) + set(CMAKE_REQUIRED_FLAGS "-Werror") + + make_cpp_safe_name("${flag1}" flag1_name) + make_cpp_safe_name("${flag2}" flag2_name) + + if(NOT ${CMAKE_C_FLAGS} MATCHES ${match}) + check_c_compiler_flag("${flag1}" HAVE_C_${flag1_name}) + if(HAVE_C_${flag1_name}) + set(${target}_C_FLAGS "${${target}_C_FLAGS} ${flag1}" PARENT_SCOPE) + else() + check_c_compiler_flag("${flag2}" HAVE_C_${flag2_name}) + if(HAVE_C_${flag2_name}) + set(${target}_C_FLAGS "${${target}_C_FLAGS} ${flag2}" PARENT_SCOPE) + endif() + endif() + endif() + + if(NOT ${CMAKE_CXX_FLAGS} MATCHES ${match}) + check_cxx_compiler_flag("${flag1}" HAVE_CXX_${flag1_name}) + if(HAVE_CXX_${flag1_name}) + set(${target}_CXX_FLAGS "${${target}_CXX_FLAGS} ${flag1}" PARENT_SCOPE) + else() + check_cxx_compiler_flag("${flag2}" HAVE_CXX_${flag2_name}) + if(HAVE_CXX_${flag2_name}) + set(${target}_CXX_FLAGS "${${target}_CXX_FLAGS} ${flag2}" PARENT_SCOPE) + endif() + endif() + endif() +endfunction() diff --git a/packaging/cmake/Modules/NetdataDetectSystemd.cmake b/packaging/cmake/Modules/NetdataDetectSystemd.cmake new file mode 100644 index 000000000..5c0e6e09e --- /dev/null +++ b/packaging/cmake/Modules/NetdataDetectSystemd.cmake @@ -0,0 +1,42 @@ +# CMake Module to handle all the systemd-related checks for Netdata. +# +# Copyright (c) 2024 Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later + +macro(detect_systemd) + find_library(SYSTEMD_LIBRARY NAMES systemd) + + set(ENABLE_DSYSTEMD_DBUS NO) + pkg_check_modules(SYSTEMD libsystemd) + + if(SYSTEMD_FOUND) + set(CMAKE_REQUIRED_LIBRARIES_BEFORE_SYSTEMD "${CMAKE_REQUIRED_LIBRARIES}") + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES};${SYSTEMD_LIBRARIES}") + + check_c_source_compiles(" + #include <systemd/sd-journal.h> + + int main() { + int x = SD_JOURNAL_OS_ROOT; + return 0; + }" HAVE_SD_JOURNAL_OS_ROOT) + + check_symbol_exists(SD_JOURNAL_OS_ROOT "systemd/sd-journal.h" HAVE_SD_JOURNAL_OS_ROOT) + check_symbol_exists(sd_journal_open_files_fd "systemd/sd-journal.h" HAVE_SD_JOURNAL_OPEN_FILES_FD) + check_symbol_exists(sd_journal_restart_fields "systemd/sd-journal.h" HAVE_SD_JOURNAL_RESTART_FIELDS) + check_symbol_exists(sd_journal_get_seqnum "systemd/sd-journal.h" HAVE_SD_JOURNAL_GET_SEQNUM) + + check_symbol_exists(sd_bus_default_system "systemd/sd-bus.h" HAVE_SD_BUS_DEFAULT_SYSTEM) + check_symbol_exists(sd_bus_call_method "systemd/sd-bus.h" HAVE_SD_BUS_CALL_METHOD) + check_symbol_exists(sd_bus_message_enter_container "systemd/sd-bus.h" HAVE_SD_BUS_MESSAGE_ENTER_CONTAINER) + check_symbol_exists(sd_bus_message_read "systemd/sd-bus.h" HAVE_SD_BUS_MESSAGE_READ) + check_symbol_exists(sd_bus_message_exit_container "systemd/sd-bus.h" HAVE_SD_BUS_MESSAGE_EXIT_CONTAINER) + + set(CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES_BEFORE_SYSTEMD}") + + set(HAVE_SYSTEMD True) + if(HAVE_SD_BUS_DEFAULT_SYSTEM AND HAVE_SD_BUS_CALL_METHOD AND HAVE_SD_BUS_MESSAGE_ENTER_CONTAINER AND HAVE_SD_BUS_MESSAGE_READ AND HAVE_SD_BUS_MESSAGE_EXIT_CONTAINER) + set(ENABLE_SYSTEMD_DBUS YES) + endif() + endif() +endmacro() diff --git a/packaging/cmake/Modules/NetdataFetchContentExtra.cmake b/packaging/cmake/Modules/NetdataFetchContentExtra.cmake new file mode 100644 index 000000000..1de1dcef9 --- /dev/null +++ b/packaging/cmake/Modules/NetdataFetchContentExtra.cmake @@ -0,0 +1,27 @@ +# Extra tools for working with FetchContent on older CMake +# +# Copyright (c) 2024 Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later + +# FetchContent_MakeAvailable_NoInstall +# +# Add a sub-project with FetchContent, but with the EXCLUDE_FROM_ALL +# argument for the add_subdirectory part. +# +# CMake 3.28 and newer provide a way to do this with an extra argument +# on FetchContent_Declare, but older versions need you to implement +# the logic yourself. Once we no longer support CMake versions older +# than 3.28, we can get rid of this macro. +# +# Unlike FetchContent_MakeAvailble, this only accepts a single project +# to make available. +macro(FetchContent_MakeAvailable_NoInstall name) + include(FetchContent) + + FetchContent_GetProperties(${name}) + + if(NOT ${name}_POPULATED) + FetchContent_Populate(${name}) + add_subdirectory(${${name}_SOURCE_DIR} ${${name}_BINARY_DIR} EXCLUDE_FROM_ALL) + endif() +endmacro() diff --git a/packaging/cmake/Modules/NetdataGoTools.cmake b/packaging/cmake/Modules/NetdataGoTools.cmake new file mode 100644 index 000000000..12785aeb5 --- /dev/null +++ b/packaging/cmake/Modules/NetdataGoTools.cmake @@ -0,0 +1,85 @@ +# Macros and functions to assist in working with Go +# +# Copyright (c) 2024 Netdata Inc +# +# SPDX-License-Identifier: GPL + +if(CMAKE_BUILD_TYPE STREQUAL Debug OR CMAKE_BUILD_TYPE STREQUAL RelWithDebInfo) + set(GO_LDFLAGS "-X main.version=${NETDATA_VERSION}") +else() + set(GO_LDFLAGS "-w -s -X main.version=${NETDATA_VERSION}") +endif() + +# add_go_target: Add a new target that needs to be built using the Go toolchain. +# +# Takes four arguments, the target name, the output artifact name, the +# source tree for the Go module, and the sub-directory of that source tree +# to pass to `go build`. +# +# The target itself will invoke `go build` in the specified source tree, +# using the `-o` option to produce the final output artifact, and passing +# the requested sub-directory as the final argument. +# +# This will also automatically construct the dependency list for the +# target by finding all Go source files under the specified source tree +# and then appending the go.mod and go.sum files from the root of the +# source tree. +macro(add_go_target target output build_src build_dir) + file(GLOB_RECURSE ${target}_DEPS CONFIGURE_DEPENDS "${build_src}/*.go") + list(APPEND ${target}_DEPS + "${build_src}/go.mod" + "${build_src}/go.sum" + ) + + add_custom_command( + OUTPUT ${output} + COMMAND "${CMAKE_COMMAND}" -E env CGO_ENABLED=0 "${GO_EXECUTABLE}" build -buildvcs=false -ldflags "${GO_LDFLAGS}" -o "${CMAKE_BINARY_DIR}/${output}" "./${build_dir}" + DEPENDS ${${target}_DEPS} + COMMENT "Building Go component ${output}" + WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/${build_src}" + VERBATIM + ) + add_custom_target( + ${target} ALL + DEPENDS ${output} + ) +endmacro() + +# find_min_go_version: Determine the minimum Go version based on go.mod files +# +# Takes one argument, specifying a source tree to scan for go.mod files. +# +# All files found will be checked for a `go` directive, and the +# MIN_GO_VERSION variable will be set to the highest version +# number found among these directives. +# +# Only works on UNIX-like systems, because it has to process the go.mod +# files in ways that CMake can't do on it's own. +function(find_min_go_version src_tree) + message(STATUS "Determining minimum required version of Go for this build") + + file(GLOB_RECURSE go_mod_files ${src_tree}/go.mod) + + set(result 1.0) + + foreach(f IN ITEMS ${go_mod_files}) + message(VERBOSE "Checking Go version specified in ${f}") + execute_process( + COMMAND grep -E "^go .*$" ${f} + COMMAND cut -f 2 -d " " + RESULT_VARIABLE version_check_result + OUTPUT_VARIABLE go_mod_version + ) + + if(version_check_result EQUAL 0) + string(REGEX MATCH "([0-9]+\\.[0-9]+(\\.[0-9]+)?)" go_mod_version "${go_mod_version}") + + if(go_mod_version VERSION_GREATER result) + set(result "${go_mod_version}") + endif() + endif() + endforeach() + + message(STATUS "Minimum required Go version determined to be ${result}") + set(MIN_GO_VERSION "${result}" PARENT_SCOPE) +endfunction() diff --git a/packaging/cmake/Modules/NetdataProtobuf.cmake b/packaging/cmake/Modules/NetdataProtobuf.cmake new file mode 100644 index 000000000..d4ae3aec6 --- /dev/null +++ b/packaging/cmake/Modules/NetdataProtobuf.cmake @@ -0,0 +1,225 @@ +# Macros and functions for handling of Protobuf +# +# Copyright (c) 2024 Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later + +macro(netdata_protobuf_21_tags) + set(PROTOBUF_TAG f0dc78d7e6e331b8c6bb2d5283e06aa26883ca7c) # v21.12 + set(NEED_ABSL False) +endmacro() + +macro(netdata_protobuf_25_tags) + set(PROTOBUF_TAG 4a2aef570deb2bfb8927426558701e8bfc26f2a4) # v25.3 + set(NEED_ABSL True) + set(ABSL_TAG 2f9e432cce407ce0ae50676696666f33a77d42ac) # 20240116.1 +endmacro() + +# Determine what version of protobuf and abseil to bundle. +# +# This is unfortunately very complicated because we support systems +# older than what Google officially supports for C++. +macro(netdata_set_bundled_protobuf_tags) + netdata_protobuf_21_tags() + + if(NOT USE_CXX_11) + if(CMAKE_CXX_COMPILER_ID STREQUAL GNU) + if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.3.1) + netdata_protobuf_25_tags() + endif() + elseif(CMAKE_CXX_COMPILER_ID STREQUAL Clang) + if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 7.0.0) + netdata_protobuf_25_tags() + endif() + elseif(CMAKE_CXX_COMPILER_ID STREQUAL AppleClang) + if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12) + netdata_protobuf_25_tags() + endif() + endif() + endif() +endmacro() + +# Prepare a vendored copy of Protobuf for use with Netdata. +function(netdata_bundle_protobuf) + include(FetchContent) + include(NetdataFetchContentExtra) + + netdata_set_bundled_protobuf_tags() + + set(FETCHCONTENT_TRY_FIND_PACKAGE_MODE NEVER) + + string(REPLACE "-fsanitize=address" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS}) + string(REPLACE "-fsanitize=address" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS}) + + # ignore debhelper + set(FETCHCONTENT_FULLY_DISCONNECTED Off) + + if(NEED_ABSL) + set(ABSL_PROPAGATE_CXX_STD On) + set(ABSL_ENABLE_INSTALL Off) + + message(STATUS "Preparing bundled Abseil (required by bundled Protobuf)") + FetchContent_Declare(absl + GIT_REPOSITORY https://github.com/abseil/abseil-cpp + GIT_TAG ${ABSL_TAG} + ) + FetchContent_MakeAvailable_NoInstall(absl) + message(STATUS "Finished preparing bundled Abseil") + endif() + + set(protobuf_INSTALL Off) + set(protobuf_BUILD_LIBPROTOC Off) + set(protobuf_BUILD_TESTS Off) + set(protobuf_BUILD_SHARED_LIBS Off) + + message(STATUS "Preparing bundled Protobuf") + FetchContent_Declare(protobuf + GIT_REPOSITORY https://github.com/protocolbuffers/protobuf.git + GIT_TAG ${PROTOBUF_TAG} + ) + FetchContent_MakeAvailable_NoInstall(protobuf) + message(STATUS "Finished preparing bundled Protobuf.") + + set(BUNDLED_PROTOBUF True PARENT_SCOPE) +endfunction() + +# Handle detection of Protobuf +macro(netdata_detect_protobuf) + if(NOT ENABLE_BUNDLED_PROTOBUF) + if (NOT BUILD_SHARED_LIBS) + set(Protobuf_USE_STATIC_LIBS On) + endif() + + # The FindProtobuf CMake module shipped by upstream CMake is + # broken for Protobuf version 22.0 and newer because it does + # not correctly pull in the new Abseil dependencies. Protobuf + # itself sometimes ships a CMake Package Configuration module + # that _does_ work correctly, so use that in preference to the + # Find module shipped with CMake. + # + # The code below works by first attempting to use find_package + # in config mode, and then checking for the existence of the + # target we actually use that gets defined by the protobuf + # CMake Package Configuration Module to determine if that + # worked. A bit of extra logic is required in the case of the + # config mode working, because some systems ship compatibility + # logic for the old FindProtobuf module while others do not. + # + # Upstream bug reference: https://gitlab.kitware.com/cmake/cmake/-/issues/24321 + find_package(Protobuf CONFIG) + + if(NOT TARGET protobuf::libprotobuf) + message(STATUS "Could not find Protobuf using Config mode, falling back to Module mode") + find_package(Protobuf REQUIRED) + endif() + endif() + + if(TARGET protobuf::libprotobuf) + if(NOT Protobuf_PROTOC_EXECUTABLE AND TARGET protobuf::protoc) + get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc + IMPORTED_LOCATION_RELEASE) + if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}") + get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc + IMPORTED_LOCATION_RELWITHDEBINFO) + endif() + if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}") + get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc + IMPORTED_LOCATION_MINSIZEREL) + endif() + if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}") + get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc + IMPORTED_LOCATION_DEBUG) + endif() + if(NOT EXISTS "${Protobuf_PROTOC_EXECUTABLE}") + get_target_property(Protobuf_PROTOC_EXECUTABLE protobuf::protoc + IMPORTED_LOCATION_NOCONFIG) + endif() + if(NOT Protobuf_PROTOC_EXECUTABLE) + set(Protobuf_PROTOC_EXECUTABLE protobuf::protoc) + endif() + endif() + + # It is technically possible that this may still not + # be set by this point, so we need to check it and + # fail noisily if it isn't because the build won't + # work without it. + if(NOT Protobuf_PROTOC_EXECUTABLE) + message(FATAL_ERROR "Could not determine the location of the protobuf compiler for the detected version of protobuf.") + endif() + + set(NETDATA_PROTOBUF_PROTOC_EXECUTABLE ${Protobuf_PROTOC_EXECUTABLE}) + set(NETDATA_PROTOBUF_LIBS protobuf::libprotobuf) + get_target_property(NETDATA_PROTOBUF_CFLAGS_OTHER + protobuf::libprotobuf + INTERFACE_COMPILE_DEFINITIONS) + get_target_property(NETDATA_PROTOBUF_INCLUDE_DIRS + protobuf::libprotobuf + INTERFACE_INCLUDE_DIRECTORIES) + + if(NETDATA_PROTOBUF_CFLAGS_OTHER STREQUAL NETDATA_PROTOBUF_CFLAGS_OTHER-NOTFOUND) + set(NETDATA_PROTOBUF_CFLAGS_OTHER "") + endif() + + if(NETDATA_PROTOBUF_INCLUDE_DIRS STREQUAL NETDATA_PROTOBUF_INCLUDE_DIRS-NOTFOUND) + set(NETDATA_PROTOBUF_INCLUDE_DIRS "") + endif() + else() + set(NETDATA_PROTOBUF_PROTOC_EXECUTABLE ${PROTOBUF_PROTOC_EXECUTABLE}) + set(NETDATA_PROTOBUF_CFLAGS_OTHER ${PROTOBUF_CFLAGS_OTHER}) + set(NETDATA_PROTOBUF_INCLUDE_DIRS ${PROTOBUF_INCLUDE_DIRS}) + set(NETDATA_PROTOBUF_LIBS ${PROTOBUF_LIBRARIES}) + endif() + + set(ENABLE_PROTOBUF True) + set(HAVE_PROTOBUF True) +endmacro() + +# Helper function to compile protocol definitions into C++ code. +function(netdata_protoc_generate_cpp INC_DIR OUT_DIR SRCS HDRS) + if(NOT ARGN) + message(SEND_ERROR "Error: protoc_generate_cpp() called without any proto files") + return() + endif() + + set(${INC_DIR}) + set(${OUT_DIR}) + set(${SRCS}) + set(${HDRS}) + + foreach(FIL ${ARGN}) + get_filename_component(ABS_FIL ${FIL} ABSOLUTE) + get_filename_component(DIR ${ABS_FIL} DIRECTORY) + get_filename_component(FIL_WE ${FIL} NAME_WE) + + set(GENERATED_PB_CC "${DIR}/${FIL_WE}.pb.cc") + list(APPEND ${SRCS} ${GENERATED_PB_CC}) + + set(GENERATED_PB_H "${DIR}/${FIL_WE}.pb.h") + list(APPEND ${HDRS} ${GENERATED_PB_H}) + + list(APPEND _PROTOC_INCLUDE_DIRS ${INC_DIR}) + + if(ENABLE_BUNDLED_PROTOBUF) + list(APPEND _PROTOC_INCLUDE_DIRS ${CMAKE_BINARY_DIR}/_deps/protobuf-src/src/) + endif() + + add_custom_command(OUTPUT ${GENERATED_PB_CC} ${GENERATED_PB_H} + COMMAND ${NETDATA_PROTOBUF_PROTOC_EXECUTABLE} + ARGS "-I$<JOIN:${_PROTOC_INCLUDE_DIRS},;-I>" --cpp_out=${OUT_DIR} ${ABS_FIL} + DEPENDS ${ABS_FIL} ${NETDATA_PROTOBUF_PROTOC_EXECUTABLE} + COMMENT "Running C++ protocol buffer compiler on ${FIL}" + COMMAND_EXPAND_LISTS) + endforeach() + + set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE) + set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES COMPILE_OPTIONS -Wno-deprecated-declarations) + + set(${SRCS} ${${SRCS}} PARENT_SCOPE) + set(${HDRS} ${${HDRS}} PARENT_SCOPE) +endfunction() + +# Add protobuf to a specified target. +function(netdata_add_protobuf _target) + target_compile_definitions(${_target} PRIVATE ${NETDATA_PROTOBUF_CFLAGS_OTHER}) + target_include_directories(${_target} PRIVATE ${NETDATA_PROTOBUF_INCLUDE_DIRS}) + target_link_libraries(${_target} PRIVATE ${NETDATA_PROTOBUF_LIBS}) +endfunction() diff --git a/packaging/cmake/Modules/NetdataYAML.cmake b/packaging/cmake/Modules/NetdataYAML.cmake new file mode 100644 index 000000000..73af55167 --- /dev/null +++ b/packaging/cmake/Modules/NetdataYAML.cmake @@ -0,0 +1,65 @@ +# Functions and macros for handling of libYAML +# +# Copyright (c) 2024 Netdata Inc. +# SPDX-License-Identifier: GPL-3.0-or-later + +# Handle bundling of libyaml. +# +# This pulls it in as a sub-project using FetchContent functionality. +# +# This needs to be a function and not a macro for variable scoping +# reasons. All the things we care about from the sub-project are exposed +# as targets, which are globally scoped and not function scoped. +function(netdata_bundle_libyaml) + include(FetchContent) + include(NetdataFetchContentExtra) + + if(ENABLE_BUNDLED_LIBYAML) + set(FETCHCONTENT_TRY_FIND_PACKAGE_MODE NEVER) + endif() + + set(FETCHCONTENT_FULLY_DISCONNECTED Off) + + FetchContent_Declare(yaml + GIT_REPOSITORY https://github.com/yaml/libyaml + GIT_TAG 2c891fc7a770e8ba2fec34fc6b545c672beb37e6 # v0.2.5 + ) + + FetchContent_MakeAvailable_NoInstall(yaml) +endfunction() + +# Handle setup of libyaml for the build. +# +# This will attempt to find libyaml using pkg_check_modules. If it finds +# a usable copy, that will be used. If not, it will bundle a vendored copy +# as a sub-project. +# +# Irrespective of how libyaml is to be included, library names, +# include directories, and compile definitions will be specified in the +# NETDATA_YAML_* variables for later use. +macro(netdata_detect_libyaml) + set(HAVE_LIBYAML True) + + pkg_check_modules(YAML yaml-0.1) + + if(ENABLE_BUNDLED_LIBYAML OR NOT YAML_FOUND) + netdata_bundle_libyaml() + set(NETDATA_YAML_LDFLAGS yaml) + get_target_property(NETDATA_YAML_INCLUDE_DIRS yaml INTERFACE_INCLUDE_DIRECTORIES) + get_target_property(NETDATA_YAML_CFLAGS_OTHER yaml INTERFACE_COMPILE_DEFINITIONS) + else() + set(NETDATA_YAML_LDFLAGS ${YAML_LDFLAGS}) + set(NETDATA_YAML_CFLAGS_OTHER ${YAML_CFLAGS_OTHER}) + set(NETDATA_YAML_INCLUDE_DIRS ${YAML_INCLUDE_DIRS}) + endif() +endmacro() + +# Add libyaml as a public link dependency of the specified target. +# +# The specified target must already exist, and the netdata_detect_libyaml +# macro must have already been run at least once for this to work correctly. +function(netdata_add_libyaml_to_target _target) + target_include_directories(${_target} PUBLIC ${NETDATA_YAML_INCLUDE_DIRS}) + target_compile_definitions(${_target} PUBLIC ${NETDATA_YAML_CFLAGS_OTHER}) + target_link_libraries(${_target} PUBLIC ${NETDATA_YAML_LDFLAGS}) +endfunction() |