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-rw-r--r--mod/build-target-config.hxx79
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diff --git a/mod/build-target-config.hxx b/mod/build-target-config.hxx
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+// file : mod/build-target-config.hxx -*- C++ -*-
+// license : MIT; see accompanying LICENSE file
+
+#ifndef MOD_BUILD_TARGET_CONFIG_HXX
+#define MOD_BUILD_TARGET_CONFIG_HXX
+
+#include <map>
+
+#include <libbutl/target-triplet.hxx>
+
+#include <libbpkg/manifest.hxx>
+
+#include <libbbot/build-target-config.hxx>
+
+#include <libbrep/types.hxx>
+#include <libbrep/utility.hxx>
+
+#include <libbrep/common.hxx>
+
+namespace brep
+{
+ using build_target_config = bbot::build_target_config;
+ using build_target_configs = bbot::build_target_configs;
+
+ // Return true if the specified build target configuration is excluded by a
+ // package configuration based on its underlying build class set, build
+ // class expressions, and build constraints, potentially extending the
+ // underlying set with the special classes. Set the exclusion reason if
+ // requested. Optionally use the `all` class as a default underlying build
+ // class set rather than the `default` class (which is, for example, the
+ // case for the external test packages not to reduce their build target
+ // configuration set needlessly).
+ //
+ bool
+ exclude (const build_package_config&,
+ const build_class_exprs& common_builds,
+ const build_constraints& common_constraints,
+ const build_target_config&,
+ const std::map<string, string>& class_inheritance_map,
+ string* reason = nullptr,
+ bool default_all_ucs = false);
+
+ // Convert dash-separated components (target, build target configuration
+ // name, machine name) or a pattern thereof into a path, replacing dashes
+ // with slashes (directory separators), `**` with `*/**/*`, and appending
+ // the trailing slash for a subsequent match using the path_match()
+ // functionality (the idea here is for `linux**` to match `linux-gcc` which
+ // is quite natural to expect). Throw invalid_path if the resulting path is
+ // invalid.
+ //
+ // Note that the match_absent path match flag must be used for the above
+ // `**` transformation to work.
+ //
+ path
+ dash_components_to_path (const string&);
+
+ // Build target/target configuration name combination that, in particular,
+ // identifies configurations in the buildtab and thus can be used as a
+ // set/map key.
+ //
+ // Note: contains shallow references to the target and configuration name.
+ //
+ struct build_target_config_id
+ {
+ reference_wrapper<const butl::target_triplet> target;
+ reference_wrapper<const string> config;
+
+ bool
+ operator< (const build_target_config_id& x) const
+ {
+ if (int r = target.get ().compare (x.target.get ()))
+ return r < 0;
+
+ return config.get ().compare (x.config.get ()) < 0;
+ }
+ };
+}
+
+#endif // MOD_BUILD_TARGET_CONFIG