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rules_cc/examples/experimental_cc_shared_library.bzl
Googler 3eaa3c7f88 Remove unnecessary tests from rules_cc
They are now part of the bazelbuild/bazel repository.

Copies buildifier changes contributed by Keith in https://github.com/bazelbuild/rules_cc/pull/128

RELNOTES:none
PiperOrigin-RevId: 435312636
Change-Id: I4d5d2f58d90026c0cdfb5c0a90709de7c28c6ccd
2022-03-17 04:50:16 -07:00

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Python

"""This is an experimental implementation of cc_shared_library.
We may change the implementation at any moment or even delete this file. Do not
rely on this. It requires bazel >1.2 and passing the flag
--experimental_cc_shared_library
"""
# Add this as a tag to any target that can be linked by more than one
# cc_shared_library because it doesn't have static initializers or anything
# else that may cause issues when being linked more than once. This should be
# used sparingly after making sure it's safe to use.
LINKABLE_MORE_THAN_ONCE = "LINKABLE_MORE_THAN_ONCE"
CcSharedLibraryPermissionsInfo = provider(
"Permissions for a cc shared library.",
fields = {
"targets": "Matches targets that can be exported.",
},
)
GraphNodeInfo = provider(
"Nodes in the graph of shared libraries.",
fields = {
"children": "Other GraphNodeInfo from dependencies of this target",
"label": "Label of the target visited",
"linkable_more_than_once": "Linkable into more than a single cc_shared_library",
},
)
CcSharedLibraryInfo = provider(
"Information about a cc shared library.",
fields = {
"dynamic_deps": "All shared libraries depended on transitively",
"exports": "cc_libraries that are linked statically and exported",
"link_once_static_libs": "All libraries linked statically into this library that should " +
"only be linked once, e.g. because they have static " +
"initializers. If we try to link them more than once, " +
"we will throw an error",
"linker_input": "the resulting linker input artifact for the shared library",
"preloaded_deps": "cc_libraries needed by this cc_shared_library that should" +
" be linked the binary. If this is set, this cc_shared_library has to " +
" be a direct dependency of the cc_binary",
},
)
def cc_shared_library_permissions(**kwargs):
native.cc_shared_library_permissions(**kwargs)
def cc_shared_library(**kwargs):
native.cc_shared_library(**kwargs)