This should make the concept of "sentinel features" work correctly with known_features and enabled_features, rather than enabling them directly in features.
PiperOrigin-RevId: 681688437
Change-Id: I29184a2079ccfd0eb3a275439508a66ca61109af
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Document feature-related toolchain rules
Extends the toolchain API documentation to cover all feature-related rules.
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PiperOrigin-RevId: 681476538
Change-Id: Icfe35e03937bdb0bc55eae24f57eafe0db7b16eb
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Add cc_action_type and cc_tool documentation
Extends the toolchain API documentation to include docs for cc_action_type, cc_action_type_set, cc_variable, and cc_tool.
Also improves cross-reference links and copybara behavior for docs.
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PiperOrigin-RevId: 680601617
Change-Id: Idbbdfbcb2c5a1c3598b6a7e7ba985ed14f871099
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Add `@rules_cc` to generated docs
Ensures when docs are generated that the `@rules_cc` prefix is used for anything that appears to come from the repo.
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PiperOrigin-RevId: 677883741
Change-Id: I82b910b338aea8b14ecb7b192b5f3d3907be30ee
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Remove experimental_enable_rule_based_toolchains flag
Rule-based toolchains will not be gated by a flag when released with rules_cc v0.0.10. Also, this flag is unfortunately inherently incompatible with --experimental_exclude_starlark_flags_from_exec_config.
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PiperOrigin-RevId: 674072362
Change-Id: Iebda45d4daf4cec27c48296d61092dc513442911
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Consolidate action labels in toolchain args
Consolidates action labels used by re-implementation of legacy features to use logical groups rather than individually listing every action. This simplifies the rule definitions slightly.
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PiperOrigin-RevId: 673920103
Change-Id: If5453dd5b45d5549ff75d656da8a2873232117ae
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Create group for c compile actions
Adds `c_compile_actions` group to provide a logical C equivalent for `cpp_compile_actions`.
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PiperOrigin-RevId: 673408772
Change-Id: Ic5ccb57bc1fa7a98999d944316b97a39aac571ac
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Copybara import of the project:
--
2803a12428 by Ivo List <ilist@google.com>:
Prepare for release 0.0.10-rc2
--
3423c73208 by Ivo List <ilist@google.com>:
Format WORKSPACE
--
a99403a6b0 by Ivo List <ilist@google.com>:
Touch module
--
258d8c9f24 by Ivo List <ilist@google.com>:
Revert "Touch module"
This reverts commit a99403a6b0.
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COPYBARA_INTEGRATE_REVIEW=https://github.com/bazelbuild/rules_cc/pull/238 from comius:release-0.0.10-rc2 258d8c9f24
PiperOrigin-RevId: 673358956
Change-Id: Iabc9c29e6f168cfdfd2f0657438b71654f470cc9
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Fix rule-based implementation of runtime_library_search_directories
As runtime_library_search_directories was written and reorganized through review, some instances of `$ORIGIN` were unintentionally renamed to `$EXEC_ORIGIN`. This change fixes those instances to correctly mirror CppActionConfigs.java.
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BUG: 349427627
PiperOrigin-RevId: 672401255
Change-Id: Ic20f9e77eccca8bc7e7f895aeaeb44f85022df28
*** Reason for rollback ***
Rollforward with fix for b/365154741
*** Original change description ***
Automated rollback of commit 0bc1ba56ef.
*** Reason for rollback ***
TAP failures in Bazel/Blaze, see b/365154741 and discussion at https://chat.google.com/room/AAAAXE3XKrY/_e3TpBFJvus
*** Original change description ***
Add user-facing documentation for cc_tool_map
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Add user-facing documentation for cc_tool_map
Adds user-facing documentation for the cc_tool_map toolchain rule, including an example and higher level analogies.
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***
***
PiperOrigin-RevId: 672000172
Change-Id: If7ad64e2378a2016d389a3718944aa04bc5e9759
*** Reason for rollback ***
TAP failures in Bazel/Blaze, see b/365154741 and discussion at https://chat.google.com/room/AAAAXE3XKrY/_e3TpBFJvus
*** Original change description ***
Add user-facing documentation for cc_tool_map
BEGIN_PUBLIC
Add user-facing documentation for cc_tool_map
Adds user-facing documentation for the cc_tool_map toolchain rule, including an example and higher level analogies.
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***
PiperOrigin-RevId: 671898382
Change-Id: Iead81a71adb17dff46b1b442471e595769fb5c2e
BEGIN_PUBLIC
Add user-facing documentation for cc_tool_map
Adds user-facing documentation for the cc_tool_map toolchain rule, including an example and higher level analogies.
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PiperOrigin-RevId: 671777889
Change-Id: Ib53de76f355db43a9530f7cbe11face3c9219675
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Implement archiver_flags as cc_args
This is the first change in a series that will reimplement the legacy
features defined in Bazel's Java code using the new toolchain rules. These implementations are redefined as raw arguments using the new toolchain rules, which allows for the definition shared and reused across different contexts.
This first change implements archiver_flags, which is used to produce the arguments for the archiver tool used by `cc_library`.
This CL also adds a test that compares the feature implementation produced by
the new rules to the feature implementation defined in Bazel's Java
code. This should make it easier to review the final result and ensure it
is functionally equivalent to the Java implementation.
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PiperOrigin-RevId: 671403834
Change-Id: I2d4f15b49619a11995a50c86439340ea532e360e
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Add support for implicit include directories to rule-based toolchains
Reorients the `cc_toolchain.cxx_builtin_include_directories` attribute so it is expressed as an attribute on `cc_args` and `cc_tool` to signify that the tools or arguments imply include directories that Bazel's include path checker should allowlist. This moves the allowlist to the source of truth that implies these directories.
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PiperOrigin-RevId: 671393376
Change-Id: Ide8cae548783726835168adcd3f705028a1f4308
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Fix action label evaluation in cc_sysroot
Explicitly converts action labels in cc_sysroot to Label objects to address issues where the labels were being evaluated as relative to the module instantiating cc_sysroot rules.
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PiperOrigin-RevId: 667520654
Change-Id: Ia64306cc172dfaa747ef28a92390bcd90296b109
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Replace sysroot with a cc_sysroot macro.
This is part of what amontanez@ and I discussed about making C++ toolchains less "magic".
I'd like to do the same for cxx_builtin_include_directories, but that will require significantly more effort.
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PiperOrigin-RevId: 666607531
Change-Id: Ic9cfb157e892c05a9c875f240c0ed9a1048dea19
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Integrate cc_tool_map into rule-based toolchains
Integrates cc_tool_map as a new attribute of cc_toolchain, completely replacing cc_action_type_config.
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PiperOrigin-RevId: 666365739
Change-Id: Iac74a31736dad66ac3dc75b4478ab4d4d2412181
BEGIN_PUBLIC
Make enabled_features functionally equivalent to cc_feature(..., enabled=True)
This should allow you to disable an enabled feature elsewhere in the toolchain.
Fixes #233
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PiperOrigin-RevId: 666318466
Change-Id: I0b820cb2033d4ce8b141ff74dcd6516b8157c2b4
BEGIN_PUBLIC
Disallow features from specifying whether they are enabled by default or not.
Such a decision shouldn't be made by the feature, but instead by the toolchain author.
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PiperOrigin-RevId: 658621275
Change-Id: I4dae8ee1acc349a0ff6f09e6cf68e15fdc481a48
BEGIN_PUBLIC
Replace toolchain_features with known_features and enabled_features.
This should allow for the deprecation of action_type_config, as `implies` there is no longer required.
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PiperOrigin-RevId: 658620044
Change-Id: Idda9bd77edad1be1fd26d5a655e3b9084d38bca8
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Remove feature requirements from tools.
It's such a niche use case, adds a fair amount of complexity, and there are multiple alternatives available:
* Now that we're using rule based things, you should just be able to add a bazel flag and select on it in your tool definition.
* If you really want precisely that behaviour, you can make your feature add "--use-foo-tool" to the args, and make your tool a wrapper tool that reads the command-line argument, and if provided, invokes a different tool.
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PiperOrigin-RevId: 657383729
Change-Id: Idb4f3ad66dc92d48ef81a1e8875bf6d3ba215aa4
This CL is an alternative to unknown commit. I left the other CL seperately, because I wasn't 100% sure that we'd agree to this, since this is an API change.
I did it this way because I believe it's much less hacky, and it also allows us to format things that aren't variables.
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Add support for select'ing on cc_args(args=...).
This is quite tricky because the one parameter was being split into two in a macro, one of type label and the other of type string.
For example, `args = ["--foo", format_arg("--bar=%s", "//path/to:bar")]` was rewritten by the macro to `args = [json.encode(struct(format_type="raw", format="foo")), json.encode(struct(format_type="format_arg", format="--bar=%s", value=0))], variables = ["//path/to:bar"]`.
To allow it to work with selects, we need to ensure that we don't perform post-processing on the inside of the select. To solve this, we:
* Ensure that args only take strings
* Provide a seperate parameter for substitutions.
This new mechanism also has the useful property that we can now format things that are not variables. For example, I can do the following:
```
directory(name = "sysroot", ...)
cc_args(
name = "sysroot_arg",
args = ["--sysroot={sysroot}"],
format = {
":sysroot": "sysroot"
}
)
```
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PiperOrigin-RevId: 656211278
Change-Id: If83f1ea5a99090c18f2a561c51ec6d39ce9fe419
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Update toolchain variable definitions to allow static linking
Updates the rules-based-toolchain variable definitions to reflect the how the variables are used in Bazel's CppActionConfigs.java Java implementation, particularly with respect to static linking.
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PiperOrigin-RevId: 647301605
Change-Id: I7ff87a75f9654d70ea160282ba66e99363c79ce5
BEGIN_PUBLIC
Makes the `args` attribute of `cc_feature` optional so that users may declare sentinel features that do not have any inherent arguments.
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PiperOrigin-RevId: 646545838
Change-Id: I470a496aec951608f21cc8ea693387c5b551c8a9
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Remove the "data" attribute from cc_action_type_config.
Technically speaking, data shouldn't be associated with action types. Instead, data should be associated with either a tool or a set of flags.
For example, instead of the cc_compile action having the header files as a data dependency, the "include_paths" cc_arg should instead declare `data = <header files>`.
This will allow us to, once we have a fully starlark-ified c++ toolchain, do much finer-grained dependencies. This will allow us to, for example, not provide header files to the action when the user enables the feature "nostdlib".
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PiperOrigin-RevId: 642434412
Change-Id: Id16fe05a1c86bbaf4718cd36a15f8a9d6afb0163
BEGIN_PUBLIC
Make output_file accessible from strip.
See https://github.com/bazelbuild/bazel/pull/22638
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PiperOrigin-RevId: 640622335
Change-Id: I96fdca9494e5043f546b588490d692d67f94ee2b
BEGIN_PUBLIC
Remove legacy toolchain flags.
This will allow us to enforce that users of the rule based toolchain are not using legacy toolchain resolution, and simplify toolchain creation.
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PiperOrigin-RevId: 640017209
Change-Id: I6ea4fad8ddf1a06ad17d706d82e54eb7f05aa6c6
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Create a cc_directory_tool rule.
This should allow for easy definition of tools from the sysroot. For example:
cc_directory_tool(
name = "clang",
directory = "@sysroot//:sysroot",
executable = "usr/bin/clang",
)
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PiperOrigin-RevId: 639947945
Change-Id: I4c211eb9c0b5fdc6457d9d32ef9250b5384a4ef3
BEGIN_PUBLIC
Make toolchains use directory markers instead of strings.
You now refer to this instead of a string containing the repo mapped path.
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PiperOrigin-RevId: 639946886
Change-Id: I409be7b7002252b06562a2982a2568e79811877d
BEGIN_PUBLIC
Doing a transition to the exec platform in rule-based toolchains was causing unusual behaviors when attempting to restrict compatibility. This changes most of the toolchain rules to be evaluated from the target platform configuration, only transitioning to the exec configuration when explicitly requested.
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PiperOrigin-RevId: 634411095
Change-Id: I8716b9a517d9f3be306cdf96dafb98a868a3f83b
