Merging upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/packaging/cmake/Modules/NetdataYAML.cmake b/packaging/cmake/Modules/NetdataYAML.cmake
new file mode 100644
index 000000000..f2f9b404e
--- /dev/null
+++ b/packaging/cmake/Modules/NetdataYAML.cmake
@@ -0,0 +1,71 @@
+# 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
+                CMAKE_ARGS ${NETDATA_CMAKE_PROPAGATE_TOOLCHAIN_ARGS}
+        )
+
+        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(ENABLE_BUNDLED_LIBYAML True PARENT_SCOPE)
+                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 ${YAML_INCLUDE_DIRS})
+        endif()
+endmacro()
+
+# Add libyaml as a public link dependency of the specified target.
+#
+# The specified target must already exist, and the netdata_detect_libyaml
+# macro must have already been run at least once for this to work correctly.
+function(netdata_add_libyaml_to_target _target)
+        if(ENABLE_BUNDLED_LIBYAML)
+                target_include_directories(${_target} BEFORE PUBLIC ${NETDATA_YAML_INCLUDE_DIRS})
+        else()
+                target_include_directories(${_target} PUBLIC ${NETDATA_YAML_INCLUDE_DIRS})
+        endif()
+        target_compile_options(${_target} PUBLIC ${NETDATA_YAML_CFLAGS_OTHER})
+        target_link_libraries(${_target} PUBLIC ${NETDATA_YAML_LDFLAGS})
+endfunction()