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2022-10-19Add support for post hoc prerequisitesBoris Kolpackov2-14/+20
Unlike normal and ad hoc prerequisites, a post hoc prerequisite is built after the target, not before. It may also form a dependency cycle together with normal/ad hoc prerequisites. In other words, all this form of dependency guarantees is that a post hoc prerequisite will be built if its dependent target is built. See the NEWS file for details and an example.
2022-10-13Optimize by going straight to public variable pool where applicableBoris Kolpackov1-23/+29
2022-10-10Preparatory work for public/private variable distinctionBoris Kolpackov1-1/+1
We still always use the public var_pool from context but where required, all access now goes through scope::var_pool().
2022-09-16Register fallback dist meta-operation rule for out of project targetsBoris Kolpackov1-1/+11
The problematic scenario this fixes is an ad hoc pattern rule (which we register for dist in order to inject any additional sources; see parser.cxx for details) that pulls a tool imported from the system (say /usr/bin/xxd).
2022-09-06Add ability to remap paths in distributionBoris Kolpackov2-29/+102
Specifically, the dist target-specific variable now can specify a path besides true or false. This path is the "imaginary" source location which is used to derive the corresponding distribution local. This location can be either a directory path (to remap with the same file name) or a file path (to remap with a different name). If the path is relative, then it's treated relative to the target directory. Note that to make things less error prone, simple paths without any directory separators are not allowed (use ./<name> instead). Note that if multiple targets end up with the same source location, the behavior is undefined and no diagnostics is issued. Note also that such remapping has no effect in the bootstrap distribution mode.
2022-07-21Don't issue conditional dependency declaration warning for imported projectsBoris Kolpackov2-2/+27
2022-05-27Don't pass --format to OpenBSD tar (ustar is default)Boris Kolpackov1-22/+25
2022-05-06Minor terminology fix in diagnostics and commentsBoris Kolpackov2-3/+3
2022-04-19Switch to using std::function for target::data_padBoris Kolpackov1-1/+1
2022-04-07Rename {match,execute}() to *_sync(), add *_complete()Boris Kolpackov1-1/+1
In particular, the match() rename makes sure it doesn't clash with rule::match() which, after removal of the hint argument in simple_rule, has exactly the same signature, thus making it error-prone to calling recursively.
2022-04-06Add support for rule hintsBoris Kolpackov3-3/+3
A rule hint is a target attribute, for example: [rule_hint=cxx] exe{hello}: c{hello} Rule hints can be used to resolve ambiguity when multiple rules match the same target as well as to override an unambiguous match.
2022-03-02Add update operation-specific variable with unmatch|match additional valuesBoris Kolpackov1-1/+6
Note that the unmatch (match but do not update) and match (update during match) values are only supported by certain rules (and potentially only for certain prerequisite types). Additionally: - All operation-specific variables are now checked for false as an override for the prerequisite-specific include value. In particular, this can now be used to disable a prerequisite for update, for example: ./: exe{test}: update = false - The cc::link_rule now supports the update=match value for headers and ad hoc prerequisites. In particular, this can be used to make sure all the library headers are updated before matching any of its (or dependent's) object files.
2021-12-16Pass context to (meta-)operation hooksBoris Kolpackov1-9/+9
2021-11-16Ignore (with warning) directory symlink cycles in bootstrap distBoris Kolpackov1-3/+44
2021-09-28Adapt to libbutl headers extension change from .mxx to .hxxKaren Arutyunov1-2/+2
2021-04-07Register environment variables for hermetic build configurationsBoris Kolpackov1-0/+22
2021-04-02Add support for propagating project environmentBoris Kolpackov1-0/+7
2021-03-19Redo entering of src directories into scope_mapBoris Kolpackov1-3/+5
2021-02-08Enter scope src directories into scope mapBoris Kolpackov1-1/+1
2021-01-30Rework include translation supportBoris Kolpackov1-2/+0
See the config.cxx.translate_include variable documentation in cxx/init.cxx for details.
2020-11-02Set executable bit for ad hoc buildscript rule executable target on POSIXKaren Arutyunov1-1/+1
2020-10-27Tweak dist rule to handle prerequisites outside projectBoris Kolpackov1-7/+21
2020-10-07Add ability to specify extra adhoc files for distributionBoris Kolpackov2-6/+58
2020-09-29Add bootstrap distribution mode (!config.dist.bootstrap=true)Boris Kolpackov4-233/+435
In this mode the dist meta-operation does not load the project (but does bootstrap it) and adds all the source files into the distribution only ignoring files and directories that start with a dot. This mode is primarily meant for situation where the project cannot (yet) be loaded due to missing dependencies.
2020-08-16Add ability to initialize bootstrapped modules after loading root.buildBoris Kolpackov1-3/+1
2020-07-13Add ability to extend rule interface in source-compatible mannerBoris Kolpackov1-1/+1
2020-07-12Cache subprojects variable value in scope::root_extraBoris Kolpackov1-4/+4
2020-05-27Initial support for ad hoc recipes (still work in progress)Boris Kolpackov1-1/+1
2020-03-31Switch to project variable visibility by defaultBoris Kolpackov1-9/+6
2020-03-17Rework config::{omitted,required,optional}() into unified config_lookup()Boris Kolpackov1-8/+11
2020-02-12Add convenience run_start() overloadBoris Kolpackov1-1/+1
2020-02-11Add match_only flag to contextBoris Kolpackov1-41/+44
2020-02-07Drop copyright notice from source codeKaren Arutyunov8-8/+0
2020-01-29Rename module_base to module, redo module boot/init argument passingBoris Kolpackov3-19/+4
2020-01-28Use scope::var_pool()Boris Kolpackov1-1/+1
2020-01-28Use scope::insert_rule()Boris Kolpackov1-2/+2
2020-01-27See through lib{} group during distBoris Kolpackov1-2/+4
2020-01-27Improve module loading APIBoris Kolpackov1-2/+2
2019-11-15Use path_name_view in location and path_name_value in location_valueKaren Arutyunov1-1/+2
2019-11-11Use path_name for `-` to stdin/stdout translationKaren Arutyunov1-2/+1
2019-11-07Initial work on path_name use for `-` to stdin/stdout translationBoris Kolpackov1-2/+2
2019-11-04Add $config.export() functionBoris Kolpackov1-2/+1
This is similar to the config.export variable functionality except it can be called from within buildfiles. Note that this function can only be used during configure unless the config module creation was forced for other meta-operations with config.module=true in bootstrap.build.
2019-11-04Add support for configuration exporting and importingBoris Kolpackov1-3/+3
The new config.export variable specifies the alternative file to write the configuration to as part of the configure meta-operation. For example: $ b configure: proj/ config.export=proj-config.build The config.export value "applies" only to the projects on whose root scope it is specified or if it is a global override (the latter is a bit iffy but we allow it, for example, to dump everything to stdout). This means that in order to save a subproject's configuration we will have to use a scope-specific override (since the default will apply to the outermost amalgamation). For example: $ b configure: subproj/ subproj/config.export=.../subproj-config.build This could be somewhat unnatural but then it will be the amalgamation whose configuration we normally want to export. The new config.import variable specifies additional configuration files to be loaded after the project's default config.build, if any. For example: $ b create: cfg/,cc config.import=my-config.build Similar to config.export, the config.import value "applies" only to the project on whose root scope it is specified or if it is a global override. This allows the use of the standard override "positioning" machinery (i.e., where the override applies) to decide where the extra configuration files are loaded. The resulting semantics is quite natural and consistent with command line variable overrides, for example: $ b config.import=.../config.build # outermost amalgamation $ b ./config.import=.../config.build # this project $ b !config.import=.../config.build # every project Both config.export and config.import recognize the special `-` file name as an instruction to write/read to/from stdout/stdin, respectively. For example: $ b configure: src-prj/ config.export=- | b configure: dst-prj/ config.import=-
2019-10-01Adapt to moving path match to path-pattern.?xxKaren Arutyunov1-1/+1
2019-10-01Adapt to swapping of entry and pattern parameters in butl::path_match()Karen Arutyunov1-1/+1
2019-08-28Add/update some module descriptionsKaren Arutyunov1-0/+5
2019-08-23Introduce notion of build contextBoris Kolpackov2-24/+30
All non-const global state is now in class context and we can now have multiple independent builds going on at the same time.
2019-07-24Move in build system module to separate libraryBoris Kolpackov2-3/+9
2019-07-05Move config, dist, test, and install modules into libraryKaren Arutyunov8-0/+1330
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