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* Return Strings from C++ Skylark APIs, not PathFragmentsGravatar hlopko2018-06-13
| | | | | | | | | | PathFragments are not well supported in Skylark, quite the opposite, the Skylark team tries hard to not use path fragments if possible. All existing users I looked into had to convert the PathFragment to string using str() anyway. Because of that this cl should not break anybody. RELNOTES: None. PiperOrigin-RevId: 200372447
* C++: Continues renaming executionDynamicLibraries to dynamicLibrariesForRuntime.Gravatar plf2018-06-13
| | | | | RELNOTES:none PiperOrigin-RevId: 200366616
* Change generated DEF file name from <target name>.def to <target name>.gen.defGravatar pcloudy2018-06-13
| | | | | | | | | This helps avoid name conflicts when users want to generate DEF files by themselves. For example, when using a genrule to do that, people naturally name the def file as <target name>.def. Fixed https://github.com/bazelbuild/bazel/issues/5357 RELNOTES: None PiperOrigin-RevId: 200354303
* Add skylarkbuildapi bootstraps for apple, cpp, platform, and testing packagesGravatar cparsons2018-06-12
| | | | | RELNOTES: None. PiperOrigin-RevId: 200246780
* Migrate remaining assorted skylark types to skylarkbuildapiGravatar cparsons2018-06-11
| | | | | RELNOTES: None. PiperOrigin-RevId: 200100871
* Add AutoProfiler-like API to ProfilerGravatar ulfjack2018-06-11
| | | | | | - migrate all startTask/completeTask pairs to the new API PiperOrigin-RevId: 200038703
* Flip default value of --experimental_shortened_obj_file_path to true (Second ↵Gravatar pcloudy2018-06-08
| | | | | | | | | | try) This is a roll forward of https://github.com/bazelbuild/bazel/commit/3ab52e63079f1e43cb2c973425f615836a334082. The issue caused the objc rule breakage was fixed by https://github.com/bazelbuild/bazel/commit/5176300577b53a15128b3cb6a17d7883c5b7090e. RELNOTES: Flip default value of --experimental_shortened_obj_file_path to true, Bazel now generates short object file path by default. PiperOrigin-RevId: 199806300
* Expose cc_common.create_link_build_variablesGravatar hlopko2018-06-08
| | | | | | | | | | | This cl enabled skylark rules to create build variables used for C++ link actions (in a limited form, e.g. build variables for thinlto are not exposed etc). Working towards #4571. RELNOTES: None PiperOrigin-RevId: 199792130
* C++: Introduces flag to disable automatic expansion of labels in linkopts.Gravatar plf2018-06-07
| | | | | | | LSC is finished. RELNOTES:none PiperOrigin-RevId: 199619978
* Expose C++ action names to SkylarkGravatar hlopko2018-06-07
| | | | | | | | | | | | | | This cl adds Skylark constants allowing users to specify which C++ action they want for the feature configuration Skylark API. This is done by exposing a Skylark file at @bazel_tools//tools/cpp:action_names.bzl. Skylark api to the C++ toolchain doc: https://docs.google.com/document/d/1g91BWJITcYw_X-VxsDC0VgUn5E9g0kRBGoBSpoO41gA/edit#. Progress on #4571. RELNOTES: None. PiperOrigin-RevId: 199596778
* Refactoring: makes the code simpler by deleting Metadata and InputArtifactData.Gravatar shahan2018-06-06
| | | | | | (minor) ActionFS now implements MetadataProvider.getInput PiperOrigin-RevId: 199575194
* Build support for enabling cross binary FDO optimization.Gravatar Googler2018-06-06
| | | | | | | Crossbinary FDO optimization is a special form of AutoFDO which uses a synthetic profile to optimize targets without any profile. The synthetic profile will often be used as a default profile and will use .xfdo as suffix. It will be passed though option -fdo_optimize just like Autofdo profile. If .xfdo file is passed through -fdo_optimize in the same command line with other types of profiles, .xfdo file will be neglected. RELNOTES: Build support for enabling cross binary FDO optimization. PiperOrigin-RevId: 199501260
* Simplify CppCompileAction#discoverInputs().Gravatar lberki2018-06-05
| | | | | | | | | | | | | | In the process, make it so that running an extra action attached to a CppCompileAction does not change the state of the CppCompileAction (yes, this happened: if include scanning was not done, topLevelModules would be changed) There are two changes in behavior this will: introduce 1. topLevelModules will no longer be set if include scanning is not in effect, but that's okay: it's never read except when shouldPruneModules is true, and if that is true, #discoverInputsStage2() will set it. 2. Extra actions attached to CppCompileAction will not get .pcm files on their inputs that were not used by the compiler RELNOTES: None. PiperOrigin-RevId: 199285276
* Remove --glibc optionGravatar rosica2018-06-04
| | | | | | | Crosstool selection will be based solely on --cpu and --compiler options. RELNOTES: Option --glibc is removed, toolchain selection relies solely on --cpu and --compiler options. PiperOrigin-RevId: 199156131
* C++: Makes JavaWrapCc use CcLinkingHelperGravatar plf2018-06-04
| | | | | | | It doesn't use CcLinkParamsStore and CppLinkAction directly anymore. RELNOTES:none PiperOrigin-RevId: 199107747
* Move TARGET_CPU from the CcToolchainProvider to BuildConfiguration.Gravatar jcater2018-06-01
| | | | PiperOrigin-RevId: 198877280
* C++: Remove CcSpecificLinkParamsProvider.Gravatar plf2018-06-01
| | | | | | No longer needed since proto_library cannot be used for Java. PiperOrigin-RevId: 198859993
* Modify cc_toolchain_suite rule to allow selection of cc_toolchain label ↵Gravatar rosica2018-05-30
| | | | | | | | | | | | | | | | without reading the CROSSTOOL file. As we want to reroute selecting the toolchain from CROSSTOOL through cc_toolchain, cc_toolchain_suite should have all the necesarry information for obtaining the cc_toolchain label without accessing the CROSSTOOL file. In order to do that, besides the existing <toolchain.targetCpu>|<toolchain.compiler>, we add <cpu> type of key in 'toolchains' attribute of cc_toolchain_suite. Now the selection of cc_toolchain label goes as follows: 1. Return toolchains[<cpu>|<compiler> if it exists 2. Return toolchains[<cpu>] if it exists 3. Fall back to the previous state: return toolchains[<toolchain.targetCpu>|<toolchain.compiler>] RELNOTES: None. PiperOrigin-RevId: 198588849
* C++: Hide compilation context from SkylarkGravatar plf2018-05-30
| | | | | RELNOTES:none PiperOrigin-RevId: 198518792
* Propagate --experimental_prune_cpp_input_discovery to host builds. Otherwise,Gravatar Googler2018-05-29
| | | | | | | host builds don't profit from it. RELNOTES: None. PiperOrigin-RevId: 198437467
* Avoid unnecessary work in validating C++ inclusions. Specifically:Gravatar Googler2018-05-29
| | | | | | | | | | | | | | - declaredIncludeSrcs don't need to be looked at as they also become part of the compilation prerequisites (see CcCompilationContext.addDeclaredIncludeSrc()) - transitiveModules can never be "incorrect" as they get computed and added by Bazel itself. - declaredIncludeDirs/warnIncludeDirs can be computed lazily. As most people aim for a warning-free build, it is rarely necessary to compute either set in practice. RELNOTES: None. PiperOrigin-RevId: 198386262
* Add CcSysrootAliasRuleGravatar dbabkin2018-05-29
| | | | | RELNOTES:none PiperOrigin-RevId: 198364550
* Remove CppCompileAction.optionalSourceFileGravatar hlopko2018-05-28
| | | | | | | It's unused. RELNOTES: NONE. PiperOrigin-RevId: 198316668
* Don't create a HashSet/Map just to copy them into the Immutable-counterpartGravatar Googler2018-05-28
| | | | | | | later. This wastes CPU cycles (directly and during GC). RELNOTES: None. PiperOrigin-RevId: 198302706
* Add an option --experimental_prune_cpp_input_discovery to stop C++ inputGravatar Googler2018-05-28
| | | | | | | | discovery at the boundary of modular headers. C++ modules generally should be self-contained and a using a C++ module doesn't require any of it's transitive source files to be present. PiperOrigin-RevId: 198299936
* Migrate cpp rules skylark objects to skylarkbuildapiGravatar cparsons2018-05-25
| | | | | RELNOTES: None. PiperOrigin-RevId: 198094324
* C++: Separates adding sources and private headers to CcCompilationHelperGravatar plf2018-05-25
| | | | | | | | This is part of a chain of CLs that will pull initialization of CcCompilationContext from CcCompilationHelper. RELNOTES:none PiperOrigin-RevId: 198060027
* Automated rollback of commit d62833f640690309e1a73aefa62de1d8821dc8ba.Gravatar plf2018-05-25
| | | | | RELNOTES:none PiperOrigin-RevId: 198025150
* For compilations with C++ modules, treat private headers (header files inGravatar Googler2018-05-23
| | | | | | | | | | | | | | | 'srcs') as textually included headers. A private header is never exported to a different module and thus cannot be used by a different module. We never need to compile a module just because one of it's private headers is used from somewhere else. There must be a different cc_library (and thus module) that exports the header. At the same time, being compiled into a module doesn't provide benefits for the compilation of that cc_library itself, because a module created for a cc_library A is never used when compiling any of A's srcs. PiperOrigin-RevId: 197846388
* Rename PatchTransition.apply to PatchTransiton.patch.Gravatar gregce2018-05-23
| | | | | | | This unclashes with the incoming ConfigurationTransition.apply method described in https://docs.google.com/document/d/1_UJKmAQ9EE8i3Pl0il3YLTYr-Q9EKYYyLatt2zohfyM/edit#heading=h.96gongkwg852. PiperOrigin-RevId: 197769784
* Restrict module usage to C++ actions. Other actions don't support compilingGravatar Googler2018-05-23
| | | | | | | | using C++ modules (yet) and thus we are paying some of the cost such as building transitive modules and a taller critical path without reaping any benefits. PiperOrigin-RevId: 197768129
* Remove FlagListGravatar hlopko2018-05-23
| | | | | | | This abstraction is not needed anymore. RELNOTES: None. PiperOrigin-RevId: 197739700
* C++: Expose additional methods for CcCompilationInfo and CcLinkingInfoGravatar plf2018-05-23
| | | | | | | This is needed for re-writing match_clif in Skylark. RELNOTES:none PiperOrigin-RevId: 197738067
* Windows: Fix link parameter file for dynamic linkingGravatar pcloudy2018-05-23
| | | | | | | | Related issue: https://github.com/bazelbuild/bazel/issues/1013 Fix https://github.com/bazelbuild/bazel/issues/5243 RELNOTES: PiperOrigin-RevId: 197715690
* Add a flag to disallow LIPO to aid in the rollout of the removal of LIPO ↵Gravatar lberki2018-05-23
| | | | | | | support. RELNOTES: None. PiperOrigin-RevId: 197708692
* Rename CcRunfiles fields one more time to be perfectly accurate.Gravatar hlopko2018-05-23
| | | | | RELNOTES: None. PiperOrigin-RevId: 197707463
* Rename staticRunfiles and dynamicRunfiles in CcRunfilesGravatar hlopko2018-05-22
| | | | | | | | New names are dynamicLibrariesForLinkingStatically and dynamicLibrariesForLinkindDynamically respsectively. RELNOTES: None. PiperOrigin-RevId: 197579028
* Split user_link_flags from legacy_link_flagsGravatar hlopko2018-05-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The difference between them is that user_link_flags will stay after we remove legacy fields from the crosstool. This is an encore of https://github.com/bazelbuild/bazel/commit/2661abb96b1fe51fb726a63eb08698564a82eb20 after mitigating the memory regression. Original cl regressed 12mb (on a big enough internal project :): objsize chg instances space KB class name ------------------------------------------------------ 24 +0 190265 4459 KB com.google.common.collect.ImmutableMapEntry 40 +0 95154 3716 KB com.google.common.collect.RegularImmutableMap 47 -2 95154 2230 KB [Ljava.util.Map$Entry; 44 -1 95154 2230 KB [Lcom.google.common.collect.ImmutableMapEntry; 24 +0 95149 2230 KB com.google.devtools.build.lib.rules.cpp.CcToolchainVariables$MapVariables 16 +0 95149 1486 KB com.google.devtools.build.lib.rules.cpp.CcToolchainVariables$StringSequence 89 +0 3188 176 KB [B 64 -8 0 -743 KB com.google.devtools.build.lib.rules.cpp.LinkCommandLine 76 +0 -1918 -1323 KB [Ljava.lang.Object; 24 +0 -95149 -2230 KB com.google.devtools.build.lib.rules.cpp.CcToolchainVariables$SingleVariables ------------------------------------------------------ The reason was that before legacy_link_flags were the only build variable patched because of thinlto in CppLinkActionBuilder, so it used optimized SingleVariables subclass. With the split, the patched variables instance had 2 variables therefore it received the full blown Variables instance. That accounted for the ~7mb. The fix was to move the patching logic to the initial link variables creation and not to create patched variables at all. Now the regression is ~4.8mb, which is perfectly expected since I introduce another variable and this is the overhead of additional hashmap entry: objsize chg instances space KB class name ------------------------------------------------------ 24 +0 190418 4462 KB com.google.common.collect.ImmutableMapEntry 44 +1 31 1487 KB [Lcom.google.common.collect.ImmutableMapEntry; 16 +0 95149 1486 KB com.google.devtools.build.lib.rules.cpp.CcToolchainVariables$StringSequence 47 +0 31 744 KB [Ljava.util.Map$Entry; 89 +0 5723 315 KB [B 24 +0 5721 134 KB java.lang.String 64 -8 0 -743 KB com.google.devtools.build.lib.rules.cpp.LinkCommandLine 76 +0 -2387 -840 KB [Ljava.lang.Object; 24 +0 -95149 -2230 KB com.google.devtools.build.lib.rules.cpp.CcToolchainVariables$SingleVariables ------------------------------------------------------ I'll pay this dept back once we get rid of legacy crosstool fields (= removal of legacy_link_flags variable). RELNOTES: None. PiperOrigin-RevId: 197574153
* Remove special handling of SpawnActionContext in Executor/ActionExecContextGravatar ulfjack2018-05-22
| | | | | | | | Instead, internally look up the correct context by mnemonic. This simplifies all the callers. We still need a little bit of special casing when constructing the action context map. PiperOrigin-RevId: 197572357
* CROSSTOOL: Make C++ compiled and linked artifact name pattern configurableGravatar Yun Peng2018-05-22
| | | | | | | | | | | | This change makes Bazel respect artifact name patterns specified in CROSSTOOL. Users cannot specify any arbitrary name pattern, it must ends with allowed extensions. For example, for dynamic library, it can only ends with .so, .dylib or .dll, otherwise Bazel throws an error. Change-Id: I21d9e6fa7c3a282e1a9b8ff29679b00925cddb33 PiperOrigin-RevId: 197553413
* Rename CcLinkingOutputs.dynamicLibraries and executionDynamicLibrariesGravatar hlopko2018-05-22
| | | | | | | | | New names are dynamicLibrariesForLinking and dynamicLibrariesForRuntime respectively. This is just a cleanup to make the code more understandable. RELNOTES: None. PiperOrigin-RevId: 197535811
* Partial rollback of commit 2661abb96b1fe51fb726a63eb08698564a82eb20.Gravatar hlopko2018-05-18
| | | | | | | | | | | | | | | | *** Reason for rollback *** Breaks perf regtest *** Original change description *** Split user_link_flags from legacy_link_flags The difference between them is that user_link_flags will stay after we remove legacy fields from the crosstool. RELNOTES: None. PiperOrigin-RevId: 197180518
* C++: Add more parameters to Skylark API needed for match_clifGravatar plf2018-05-18
| | | | | RELNOTES:none PiperOrigin-RevId: 197132493
* Refactor artifact_name_pattern in CROSSTOOLGravatar pcloudy2018-05-18
| | | | | | | | Instead of using a string pattern, we replace it with a prefix and an extension. RELNOTES: NONE PiperOrigin-RevId: 197132215
* Support for ThinLTO to be enabled implicitly with FDOGravatar Googler2018-05-17
| | | | | | | | | | Allows for ThinLTO to be enabled once the --features=fdo_implicit_thinlto feature is enabled in the crosstool. Also allows for --features=-thin_lto to override and prevent ThinLTO from being enabled. This is essentially the same as https://github.com/bazelbuild/bazel/commit/8e3afccd8bea45105752ddeb33bde111c556fb8b but for instrumentation FDO instead of AFDO. RELNOTES: None. PiperOrigin-RevId: 197038710
* Rename CommandAction.getEnvironment, add AbstractAction.getEnvironmentGravatar ulfjack2018-05-17
| | | | | | | | | | | | | | | This is a cleanup to clarify the code. 1. The getEnvironment method in the CommandAction interface does not have access to the clientEnv, so it's return value is necessarily incomplete. Rename to getIncompleteEnvironmentForTesting. 2. Add a final getEnvironment method to AbstractAction, which returns the ActionEnvironment, which is intended to be a complete description of the intended final environment of the action (technically, of any spawn running within the action). This is not currently used, but is provided to prevent action subclasses to add such a method (it may be used in the future). PiperOrigin-RevId: 196991091
* Fix Cpp{Compile,Link}Action environment and cache key computationGravatar ulfjack2018-05-17
| | | | | | | | | | These were previously ignoring the inhertied environment, i.e., --action_env=PATH did _not_ result in the PATH variable being forwarded from the client environment. Fixes #5142. PiperOrigin-RevId: 196966822
* Split user_link_flags from legacy_link_flagsGravatar hlopko2018-05-16
| | | | | | | | The difference between them is that user_link_flags will stay after we remove legacy fields from the crosstool. RELNOTES: None. PiperOrigin-RevId: 196940832
* Build support for passing a software cache prefetching hints file.Gravatar Googler2018-05-16
| | | | | | | | | This flag assumes llvm supports an experimental 'prefetch-hints-flag' flag. The Bazel support simply plumbs the provided file through to the compiler. The flag is independent from the other fdo_ flags, and may be applied in any combination with them. RELNOTES: Introduce build support for providing cache prefetch hints. PiperOrigin-RevId: 196916547
* Replace use of output_object_file with output_file in CROSSTOOLS.Gravatar hlopko2018-05-16
| | | | | RELNOTES: None. PiperOrigin-RevId: 196870840
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