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-rw-r--r--libbuild2/bash/rule.cxx4
-rw-r--r--libbuild2/bash/rule.hxx2
-rw-r--r--libbuild2/bin/target.hxx15
-rw-r--r--libbuild2/cc/install-rule.cxx418
-rw-r--r--libbuild2/cc/install-rule.hxx39
-rw-r--r--libbuild2/cc/module.cxx3
-rw-r--r--libbuild2/install/rule.cxx415
-rw-r--r--libbuild2/install/rule.hxx142
8 files changed, 837 insertions, 201 deletions
diff --git a/libbuild2/bash/rule.cxx b/libbuild2/bash/rule.cxx
index 502a206..6e96b34 100644
--- a/libbuild2/bash/rule.cxx
+++ b/libbuild2/bash/rule.cxx
@@ -455,9 +455,9 @@ namespace build2
}
recipe install_rule::
- apply (action a, target& t) const
+ apply (action a, target& t, match_extra& me) const
{
- recipe r (file_rule::apply_impl (a, t));
+ recipe r (file_rule::apply_impl (a, t, me));
if (r == nullptr)
return noop_recipe;
diff --git a/libbuild2/bash/rule.hxx b/libbuild2/bash/rule.hxx
index 444d176..3f9618f 100644
--- a/libbuild2/bash/rule.hxx
+++ b/libbuild2/bash/rule.hxx
@@ -74,7 +74,7 @@ namespace build2
match (action, target&) const override;
virtual recipe
- apply (action, target&) const override;
+ apply (action, target&, match_extra&) const override;
protected:
const in_rule& in_;
diff --git a/libbuild2/bin/target.hxx b/libbuild2/bin/target.hxx
index 9685e39..8f2a92e 100644
--- a/libbuild2/bin/target.hxx
+++ b/libbuild2/bin/target.hxx
@@ -412,6 +412,21 @@ namespace build2
virtual group_view
group_members (action) const override;
+ // Match options for the install operation on the liba{}/libs{} and
+ // libua{}/libus{} target types (note: not lib{}/libul{} nor libue{}).
+ //
+ // If only install_runtime option is specified, then only install the
+ // runtime files omitting everything buildtime (headers, pkg-config
+ // files, shared library version-related symlinks, etc).
+ //
+ // Note that it's either runtime-only or runtime and buildtime (i.e.,
+ // everything), so match with install_all instead of install_buildtime
+ // (the latter is only useful in the rule implementations).
+ //
+ static constexpr uint64_t option_install_runtime = 0x01;
+ static constexpr uint64_t option_install_buildtime = 0x02;
+ static constexpr uint64_t option_install_all = match_extra::all_options;
+
public:
static const target_type static_type;
};
diff --git a/libbuild2/cc/install-rule.cxx b/libbuild2/cc/install-rule.cxx
index 3eaaa94..7327711 100644
--- a/libbuild2/cc/install-rule.cxx
+++ b/libbuild2/cc/install-rule.cxx
@@ -24,14 +24,58 @@ namespace build2
install_rule (data&& d, const link_rule& l)
: common (move (d)), link_ (l) {}
- const target* install_rule::
+ // Wrap the file_rule's recipe into a data-carrying recipe.
+ //
+ struct install_match_data
+ {
+ build2::recipe recipe;
+ uint64_t options; // Match options.
+ link_rule::libs_paths libs_paths;
+
+ target_state
+ operator() (action a, const target& t)
+ {
+ return recipe (a, t);
+ }
+ };
+
+ bool install_rule::
+ filter (action a, const target& t, const target& m) const
+ {
+ if (!t.is_a<exe> ())
+ {
+ // If runtime-only, filter out all known buildtime target types.
+ //
+ const auto& md (t.data<install_match_data> (a));
+
+ if ((md.options & lib::option_install_buildtime) == 0)
+ {
+ if (m.is_a<liba> () || // Staic library.
+ m.is_a<pc> () || // pkg-config file.
+ m.is_a<libi> ()) // Import library.
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ pair<const target*, uint64_t> install_rule::
filter (const scope* is,
- action a, const target& t, prerequisite_iterator& i) const
+ action a, const target& t, prerequisite_iterator& i,
+ match_extra& me) const
{
// NOTE: see libux_install_rule::filter() if changing anything here.
const prerequisite& p (i->prerequisite);
+ uint64_t options (match_extra::all_options);
+
+ otype ot (link_type (t).type);
+
+ // @@ TMP: drop eventually.
+ //
+#if 0
// If this is a shared library prerequisite, install it as long as it is
// in the installation scope.
//
@@ -43,7 +87,6 @@ namespace build2
//
// Note: we install ad hoc prerequisites by default.
//
- otype ot (link_type (t).type);
// Note: at least one must be true since we only register this rule for
// exe{}, and lib[as]{} (this makes sure the following if-condition will
@@ -64,26 +107,115 @@ namespace build2
if (const libx* l = pt->is_a<libx> ())
pt = link_member (*l, a, link_info (t.base_scope (), ot));
- // Note: not redundant since we are returning a member.
+ // Note: not redundant since we could be returning a member.
//
if ((st && pt->is_a<libs> ()) || (at && pt->is_a<liba> ()))
- return is == nullptr || pt->in (*is) ? pt : nullptr;
+ {
+ // Adjust match options.
+ //
+ if (a.operation () != update_id)
+ {
+ if (t.is_a<exe> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ // This is a library prerequisite of a library target and
+ // runtime-only begets runtime-only.
+ //
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ return make_pair (is == nullptr || pt->in (*is) ? pt : nullptr,
+ options);
+ }
// See through to libu*{} members. Note that we are always in the same
// project (and thus amalgamation).
//
if (pt->is_a<libux> ())
- return pt;
+ {
+ // Adjust match options (similar to above).
+ //
+ if (a.operation () != update_id && !pt->is_a<libue> ())
+ {
+ if (t.is_a<exe> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ return make_pair (pt, options);
+ }
}
+#else
+ // Note that at first it may seem like we don't need to install static
+ // library prerequisites of executables. But such libraries may still
+ // have prerequisites that are needed at runtime (say, some data files).
+ // So we install all libraries as long as they are in the installation
+ // scope and deal with runtime vs buildtime distiction using match
+ // options.
+ //
+ // Note: for now we assume these prerequisites never come from see-
+ // through groups.
+ //
+ // Note: we install ad hoc prerequisites by default.
+ //
+ if (p.is_a<libx> () || p.is_a<libs> () || p.is_a<liba> ())
+ {
+ const target* pt (&search (t, p));
+
+ // If this is the lib{}/libu*{} group, pick a member which we would
+ // link. For libu*{} we want the "see through" logic.
+ //
+ if (const libx* l = pt->is_a<libx> ())
+ pt = link_member (*l, a, link_info (t.base_scope (), ot));
+
+ // Adjust match options.
+ //
+ if (a.operation () != update_id)
+ {
+ if (t.is_a<exe> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ // This is a library prerequisite of a library target and
+ // runtime-only begets runtime-only.
+ //
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ // Note: not redundant since we could be returning a member.
+ //
+ if (pt->is_a<libs> () || pt->is_a<liba> ())
+ {
+ return make_pair (is == nullptr || pt->in (*is) ? pt : nullptr,
+ options);
+ }
+ else // libua{} or libus{}
+ {
+ // See through to libu*{} members. Note that we are always in the
+ // same project (and thus amalgamation).
+ //
+ return make_pair (pt, options);
+ }
+ }
+#endif
// The rest of the tests only succeed if the base filter() succeeds.
//
- const target* pt (file_rule::filter (is, a, t, p));
+ const target* pt (file_rule::filter (is, a, t, p, me).first);
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
- // Don't install executable's prerequisite headers and module
- // interfaces.
+ // Don't install executable's or runtime-only library's prerequisite
+ // headers and module interfaces.
//
// Note that if they come from a group, then we assume the entire
// group is not to be installed.
@@ -100,7 +232,9 @@ namespace build2
(x_obj != nullptr && p.is_a (*x_obj)));
};
- if (t.is_a<exe> ())
+ if (t.is_a<exe> () ||
+ (a.operation () != update_id &&
+ me.cur_options == lib::option_install_runtime))
{
if (header_source (p))
pt = nullptr;
@@ -115,7 +249,7 @@ namespace build2
}
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
}
// Here is a problem: if the user spells the obj*/bmi*{} targets
@@ -145,16 +279,16 @@ namespace build2
{
pt = t.is_a<exe> ()
? nullptr
- : file_rule::filter (is, a, *pt, pm.prerequisite);
+ : file_rule::filter (is, a, *pt, pm.prerequisite, me).first;
break;
}
}
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
}
- return pt;
+ return make_pair (pt, options);
}
bool install_rule::
@@ -167,27 +301,34 @@ namespace build2
file_rule::match (a, t);
}
- // Wrap the file_rule's recipe into a data-carrying recipe.
- //
- struct install_match_data
+ recipe install_rule::
+ apply (action a, target& t, match_extra& me) const
{
- build2::recipe recipe;
- link_rule::libs_paths libs_paths;
-
- target_state
- operator() (action a, const target& t)
+ // Handle match options.
+ //
+ // Do it before calling apply_impl() since we need this information
+ // in the filter() callbacks.
+ //
+ if (a.operation () != update_id)
{
- return recipe (a, t);
+ if (!t.is_a<exe> ())
+ {
+ if (me.new_options == 0)
+ me.new_options = lib::option_install_runtime; // Minimum we can do.
+
+ me.cur_options = me.new_options;
+ }
}
- };
- recipe install_rule::
- apply (action a, target& t) const
- {
- recipe r (file_rule::apply_impl (a, t));
+ recipe r (file_rule::apply_impl (
+ a, t, me,
+ me.cur_options != match_extra::all_options /* reapply */));
if (r == nullptr)
+ {
+ me.cur_options = match_extra::all_options; // Noop for all options.
return noop_recipe;
+ }
if (a.operation () == update_id)
{
@@ -209,29 +350,72 @@ namespace build2
}
else // install or uninstall
{
- // Derive shared library paths and cache them in the target's aux
- // storage if we are un/installing (used in the *_extra() functions
- // below).
- //
- if (file* f = t.is_a<libs> ())
+ file* ls;
+ if ((ls = t.is_a<libs> ()) || t.is_a<liba> ())
{
- if (!f->path ().empty ()) // Not binless.
+ // Derive shared library paths and cache them in the target's aux
+ // storage if we are un/installing (used in the *_extra() functions
+ // below).
+ //
+ link_rule::libs_paths lsp;
+ if (ls != nullptr && !ls->path ().empty ()) // Not binless.
{
const string* p (cast_null<string> (t["bin.lib.prefix"]));
const string* s (cast_null<string> (t["bin.lib.suffix"]));
- return install_match_data {
- move (r),
- link_.derive_libs_paths (*f,
- p != nullptr ? p->c_str (): nullptr,
- s != nullptr ? s->c_str (): nullptr)};
+ lsp = link_.derive_libs_paths (*ls,
+ p != nullptr ? p->c_str (): nullptr,
+ s != nullptr ? s->c_str (): nullptr);
}
+
+ return install_match_data {move (r), me.cur_options, move (lsp)};
}
}
return r;
}
+ void install_rule::
+ reapply (action a, target& t, match_extra& me) const
+ {
+ tracer trace ("cc::install_rule::reapply");
+
+ assert (a.operation () != update_id && !t.is_a<exe> ());
+
+ l6 ([&]{trace << "rematching " << t
+ << ", current options " << me.cur_options
+ << ", new options " << me.new_options;});
+
+ me.cur_options |= me.new_options;
+
+ // We also need to update options in install_match_data.
+ //
+ t.data<install_match_data> (a).options = me.cur_options;
+
+ if ((me.new_options & lib::option_install_buildtime) != 0)
+ {
+ // If we are rematched with the buildtime option, propagate it to our
+ // prerequisite libraries.
+ //
+ for (const target* pt: t.prerequisite_targets[a])
+ {
+ if (pt != nullptr && (pt->is_a<liba> () || pt->is_a<libs> () ||
+ pt->is_a<libua> () || pt->is_a<libus> ()))
+ {
+ // Go for all options instead of just install_buildtime to avoid
+ // any further relocking/reapply (we only support runtime-only or
+ // everything).
+ //
+ rematch_sync (a, *pt, match_extra::all_options);
+ }
+ }
+
+ // Also match any additional prerequisites (e.g., headers).
+ //
+ file_rule::reapply_impl (a, t, me);
+ }
+ }
+
bool install_rule::
install_extra (const file& t, const install_dir& id) const
{
@@ -239,10 +423,15 @@ namespace build2
if (t.is_a<libs> ())
{
+ const auto& md (t.data<install_match_data> (perform_install_id));
+
// Here we may have a bunch of symlinks that we need to install.
//
+ // Note that for runtime-only install we only omit the name that is
+ // used for linking (e.g., libfoo.so).
+ //
const scope& rs (t.root_scope ());
- auto& lp (t.data<install_match_data> (perform_install_id).libs_paths);
+ const link_rule::libs_paths& lp (md.libs_paths);
auto ln = [&t, &rs, &id] (const path& f, const path& l)
{
@@ -260,7 +449,10 @@ namespace build2
if (!in.empty ()) {r = ln (*f, in) || r; f = &in;}
if (!so.empty ()) {r = ln (*f, so) || r; f = &so;}
if (!ld.empty ()) {r = ln (*f, ld) || r; f = &ld;}
- if (!lk.empty ()) {r = ln (*f, lk) || r; }
+ if ((md.options & lib::option_install_buildtime) != 0)
+ {
+ if (!lk.empty ()) {r = ln (*f, lk) || r;}
+ }
}
return r;
@@ -273,10 +465,12 @@ namespace build2
if (t.is_a<libs> ())
{
+ const auto& md (t.data<install_match_data> (perform_uninstall_id));
+
// Here we may have a bunch of symlinks that we need to uninstall.
//
const scope& rs (t.root_scope ());
- auto& lp (t.data<install_match_data> (perform_uninstall_id).libs_paths);
+ const link_rule::libs_paths& lp (md.libs_paths);
auto rm = [&rs, &id] (const path& f, const path& l)
{
@@ -293,7 +487,10 @@ namespace build2
if (!in.empty ()) {r = rm (*f, in) || r; f = &in;}
if (!so.empty ()) {r = rm (*f, so) || r; f = &so;}
if (!ld.empty ()) {r = rm (*f, ld) || r; f = &ld;}
- if (!lk.empty ()) {r = rm (*f, lk) || r; }
+ if ((md.options & lib::option_install_buildtime) != 0)
+ {
+ if (!lk.empty ()) {r = rm (*f, lk) || r;}
+ }
}
return r;
@@ -305,20 +502,27 @@ namespace build2
libux_install_rule (data&& d, const link_rule& l)
: common (move (d)), link_ (l) {}
- const target* libux_install_rule::
+ pair<const target*, uint64_t> libux_install_rule::
filter (const scope* is,
- action a, const target& t, prerequisite_iterator& i) const
+ action a, const target& t, prerequisite_iterator& i,
+ match_extra& me) const
{
using file_rule = install::file_rule;
const prerequisite& p (i->prerequisite);
+ uint64_t options (match_extra::all_options);
+
+ otype ot (link_type (t).type);
+
// The "see through" semantics that should be parallel to install_rule
// above. In particular, here we use libue/libua/libus{} as proxies for
// exe/liba/libs{} there.
//
- otype ot (link_type (t).type);
+ // @@ TMP: drop eventually.
+ //
+#if 0
bool st (t.is_a<libue> () || t.is_a<libus> ()); // Target needs shared.
bool at (t.is_a<libua> () || t.is_a<libus> ()); // Target needs static.
assert (st || at);
@@ -332,15 +536,70 @@ namespace build2
pt = link_member (*l, a, link_info (t.base_scope (), ot));
if ((st && pt->is_a<libs> ()) || (at && pt->is_a<liba> ()))
- return is == nullptr || pt->in (*is) ? pt : nullptr;
+ {
+ if (a.operation () != update_id)
+ {
+ if (t.is_a<libue> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ return make_pair (is == nullptr || pt->in (*is) ? pt : nullptr,
+ options);
+ }
if (pt->is_a<libux> ())
- return pt;
+ {
+ if (a.operation () != update_id && !pt->is_a<libue> ())
+ {
+ if (t.is_a<libue> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ return make_pair (pt, options);
+ }
+ }
+#else
+ if (p.is_a<libx> () || p.is_a<libs> () || p.is_a<liba> ())
+ {
+ const target* pt (&search (t, p));
+
+ if (const libx* l = pt->is_a<libx> ())
+ pt = link_member (*l, a, link_info (t.base_scope (), ot));
+
+ if (a.operation () != update_id)
+ {
+ if (t.is_a<libue> ())
+ options = lib::option_install_runtime;
+ else
+ {
+ if (me.cur_options == lib::option_install_runtime)
+ options = lib::option_install_runtime;
+ }
+ }
+
+ if (pt->is_a<libs> () || pt->is_a<liba> ())
+ {
+ return make_pair (is == nullptr || pt->in (*is) ? pt : nullptr,
+ options);
+ }
+ else
+ return make_pair (pt, options);
}
+#endif
- const target* pt (file_rule::instance.filter (is, a, t, p));
+ const target* pt (file_rule::instance.filter (is, a, t, p, me).first);
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
auto header_source = [this] (const auto& p)
{
@@ -351,7 +610,9 @@ namespace build2
(x_obj != nullptr && p.is_a (*x_obj)));
};
- if (t.is_a<libue> ())
+ if (t.is_a<libue> () ||
+ (a.operation () != update_id &&
+ me.cur_options == lib::option_install_runtime))
{
if (header_source (p))
pt = nullptr;
@@ -366,7 +627,7 @@ namespace build2
}
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
}
bool g (false);
@@ -382,16 +643,17 @@ namespace build2
{
pt = t.is_a<libue> ()
? nullptr
- : file_rule::instance.filter (is, a, *pt, pm.prerequisite);
+ : file_rule::instance.filter (
+ is, a, *pt, pm.prerequisite, me).first;
break;
}
}
if (pt == nullptr)
- return pt;
+ return make_pair (pt, options);
}
- return pt;
+ return make_pair (pt, options);
}
bool libux_install_rule::
@@ -403,5 +665,49 @@ namespace build2
return link_.sub_match (x_link, update_id, a, t, me) &&
alias_rule::match (a, t);
}
+
+ recipe libux_install_rule::
+ apply (action a, target& t, match_extra& me) const
+ {
+ if (a.operation () != update_id)
+ {
+ if (!t.is_a<libue> ())
+ {
+ if (me.new_options == 0)
+ me.new_options = lib::option_install_runtime;
+
+ me.cur_options = me.new_options;
+ }
+ }
+
+ return alias_rule::apply_impl (
+ a, t, me, me.cur_options != match_extra::all_options /* reapply */);
+ }
+
+ void libux_install_rule::
+ reapply (action a, target& t, match_extra& me) const
+ {
+ tracer trace ("cc::linux_install_rule::reapply");
+
+ assert (a.operation () != update_id && !t.is_a<libue> ());
+
+ l6 ([&]{trace << "rematching " << t
+ << ", current options " << me.cur_options
+ << ", new options " << me.new_options;});
+
+ me.cur_options |= me.new_options;
+
+ if ((me.new_options & lib::option_install_buildtime) != 0)
+ {
+ for (const target* pt: t.prerequisite_targets[a])
+ {
+ if (pt != nullptr && (pt->is_a<liba> () || pt->is_a<libs> () ||
+ pt->is_a<libua> () || pt->is_a<libus> ()))
+ rematch_sync (a, *pt, match_extra::all_options);
+ }
+
+ alias_rule::reapply_impl (a, t, me);
+ }
+ }
}
}
diff --git a/libbuild2/cc/install-rule.hxx b/libbuild2/cc/install-rule.hxx
index 6998d63..9d9211b 100644
--- a/libbuild2/cc/install-rule.hxx
+++ b/libbuild2/cc/install-rule.hxx
@@ -20,7 +20,7 @@ namespace build2
{
class link_rule;
- // Installation rule for exe{} and lib*{}. Here we do:
+ // Installation rule for exe{} and lib[as]{}. Here we do:
//
// 1. Signal to the link rule that this is update for install.
//
@@ -28,17 +28,23 @@ namespace build2
//
// 3. Extra un/installation (e.g., libs{} symlinks).
//
+ // 4. Handling runtime/buildtime match options for lib[as]{}.
+ //
class LIBBUILD2_CC_SYMEXPORT install_rule: public install::file_rule,
virtual common
{
public:
install_rule (data&&, const link_rule&);
- virtual const target*
+ virtual bool
+ filter (action, const target&, const target&) const override;
+
+ virtual pair<const target*, uint64_t>
filter (const scope*,
- action, const target&, prerequisite_iterator&) const override;
+ action, const target&, prerequisite_iterator&,
+ match_extra&) const override;
- // Note: rule::match() override.
+ // Note: rule::match() override (with hint and match_extra).
//
virtual bool
match (action, target&, const string&, match_extra&) const override;
@@ -46,7 +52,10 @@ namespace build2
using file_rule::match; // Make Clang happy.
virtual recipe
- apply (action, target&) const override;
+ apply (action, target&, match_extra&) const override;
+
+ virtual void
+ reapply (action, target&, match_extra&) const override;
virtual bool
install_extra (const file&, const install_dir&) const override;
@@ -58,22 +67,24 @@ namespace build2
const link_rule& link_;
};
- // Installation rule for libu*{}.
+ // Installation rule for libu[eas]{}.
//
// While libu*{} members themselves are not installable, we need to see
// through them in case they depend on stuff that we need to install
// (e.g., headers). Note that we use the alias_rule as a base.
//
- class LIBBUILD2_CC_SYMEXPORT libux_install_rule:
- public install::alias_rule,
- virtual common
+ class LIBBUILD2_CC_SYMEXPORT libux_install_rule: public install::alias_rule,
+ virtual common
{
public:
libux_install_rule (data&&, const link_rule&);
- virtual const target*
+ // Note: utility libraries currently have no ad hoc members.
+
+ virtual pair<const target*, uint64_t>
filter (const scope*,
- action, const target&, prerequisite_iterator&) const override;
+ action, const target&, prerequisite_iterator&,
+ match_extra&) const override;
// Note: rule::match() override.
//
@@ -82,6 +93,12 @@ namespace build2
using alias_rule::match; // Make Clang happy.
+ virtual recipe
+ apply (action, target&, match_extra&) const override;
+
+ virtual void
+ reapply (action, target&, match_extra&) const override;
+
private:
const link_rule& link_;
};
diff --git a/libbuild2/cc/module.cxx b/libbuild2/cc/module.cxx
index 40857d7..eed7db1 100644
--- a/libbuild2/cc/module.cxx
+++ b/libbuild2/cc/module.cxx
@@ -1125,6 +1125,9 @@ namespace build2
//
if (install_loaded)
{
+ // Note: we rely quite heavily in these rule implementations that
+ // these are the only target types they are registered for.
+
const install_rule& ir (*this);
r.insert<exe> (perform_install_id, x_install, ir);
diff --git a/libbuild2/install/rule.cxx b/libbuild2/install/rule.cxx
index 4dd11e8..29888ae 100644
--- a/libbuild2/install/rule.cxx
+++ b/libbuild2/install/rule.cxx
@@ -71,27 +71,45 @@ namespace build2
return true;
}
- const target* alias_rule::
+ pair<const target*, uint64_t> alias_rule::
filter (const scope* is,
- action a, const target& t, prerequisite_iterator& i) const
+ action a, const target& t, prerequisite_iterator& i,
+ match_extra& me) const
{
assert (i->member == nullptr);
- return filter (is, a, t, i->prerequisite);
+ return filter (is, a, t, i->prerequisite, me);
}
- const target* alias_rule::
+ pair<const target*, uint64_t> alias_rule::
filter (const scope* is,
- action, const target& t, const prerequisite& p) const
+ action, const target& t, const prerequisite& p,
+ match_extra&) const
{
const target& pt (search (t, p));
- return is == nullptr || pt.in (*is) ? &pt : nullptr;
+ return make_pair (is == nullptr || pt.in (*is) ? &pt : nullptr,
+ match_extra::all_options);
}
recipe alias_rule::
- apply (action a, target& t) const
+ apply (action a, target& t, match_extra& me) const
+ {
+ return apply_impl (a, t, me);
+ }
+
+ recipe alias_rule::
+ apply (action, target&) const
+ {
+ assert (false); // Never called.
+ return nullptr;
+ }
+
+ recipe alias_rule::
+ apply_impl (action a, target& t, match_extra& me, bool reapply) const
{
tracer trace ("install::alias_rule::apply");
+ assert (!reapply || a.operation () != update_id);
+
// Pass-through to our installable prerequisites.
//
// @@ Shouldn't we do match in parallel (here and below)?
@@ -102,6 +120,8 @@ namespace build2
auto pms (group_prerequisite_members (a, t, members_mode::never));
for (auto i (pms.begin ()), e (pms.end ()); i != e; ++i)
{
+ // NOTE: see essentially the same logic in reapply_impl() below.
+ //
const prerequisite& p (i->prerequisite);
// Ignore excluded.
@@ -125,13 +145,17 @@ namespace build2
if (!is)
is = a.operation () != update_id ? install_scope (t) : nullptr;
- const target* pt (filter (*is, a, t, i));
+ pair<const target*, uint64_t> fr (filter (*is, a, t, i, me));
+
+ const target* pt (fr.first);
+ uint64_t options (fr.second);
+
+ lookup l;
+
if (pt == nullptr)
{
l5 ([&]{trace << "ignoring " << p << " (filtered out)";});
- continue;
}
-
// Check if this prerequisite is explicitly "not installable", that
// is, there is the 'install' variable and its value is false.
//
@@ -143,64 +167,108 @@ namespace build2
//
// Note: not the same as lookup_install() above.
//
- auto l ((*pt)[var_install (*p.scope.root_scope ())]);
- if (l && cast<path> (l).string () == "false")
+ else if ((l = (*pt)[var_install (*p.scope.root_scope ())]) &&
+ cast<path> (l).string () == "false")
{
l5 ([&]{trace << "ignoring " << *pt << " (not installable)";});
- continue;
+ pt = nullptr;
}
-
// If this is not a file-based target (e.g., a target group such as
// libu{}) then ignore it if there is no rule to install.
//
- if (pt->is_a<file> ())
- match_sync (a, *pt);
- else if (!try_match_sync (a, *pt).first)
+ else if (pt->is_a<file> ())
+ {
+ match_sync (a, *pt, options);
+ }
+ else if (!try_match_sync (a, *pt, options).first)
{
l5 ([&]{trace << "ignoring " << *pt << " (no rule)";});
pt = nullptr;
}
- if (pt != nullptr)
- pts.push_back (prerequisite_target (pt, pi));
+ if (pt != nullptr || reapply)
+ {
+ // Use auxiliary data for a NULL entry to distinguish between
+ // filtered out (1) and ignored for other reasons (0).
+ //
+ pts.push_back (
+ prerequisite_target (pt, pi, fr.first == nullptr ? 1 : 0));
+ }
}
return default_recipe;
}
- // fsdir_rule
- //
- const fsdir_rule fsdir_rule::instance;
-
- bool fsdir_rule::
- match (action, target&) const
+ void alias_rule::
+ reapply_impl (action a, target& t, match_extra& me) const
{
- // We always match.
- //
- // Note that we are called both as the outer part during the update-for-
- // un/install pre-operation and as the inner part during the un/install
- // operation itself.
- //
- return true;
- }
+ tracer trace ("install::alias_rule::reapply");
- recipe fsdir_rule::
- apply (action a, target& t) const
- {
- // If this is outer part of the update-for-un/install, delegate to the
- // default fsdir rule. Otherwise, this is a noop (we don't install
- // fsdir{}).
- //
- // For now we also assume we don't need to do anything for prerequisites
- // (the only sensible prerequisite of fsdir{} is another fsdir{}).
+ assert (a.operation () != update_id);
+
+ optional<const scope*> is;
+
+ // Iterate over prerequisites and prerequisite targets in parallel.
//
- if (a.operation () == update_id)
+ auto& pts (t.prerequisite_targets[a]);
+ size_t j (0), n (pts.size ()), en (0);
+
+ auto pms (group_prerequisite_members (a, t, members_mode::never));
+ for (auto i (pms.begin ()), e (pms.end ());
+ i != e && j != n;
+ ++i, ++j, ++en)
{
- match_inner (a, t);
- return inner_recipe;
+ // The same logic as in apply() above except that we skip
+ // prerequisites that were not filtered out.
+ //
+ const prerequisite& p (i->prerequisite);
+
+ include_type pi (include (a, t, p));
+ if (!pi)
+ continue;
+
+ if (p.proj)
+ continue;
+
+ prerequisite_target& pto (pts[j]);
+
+ if (pto.target != nullptr || pto.data == 0)
+ continue;
+
+ if (!is)
+ is = a.operation () != update_id ? install_scope (t) : nullptr;
+
+ pair<const target*, uint64_t> fr (filter (*is, a, t, i, me));
+
+ const target* pt (fr.first);
+ uint64_t options (fr.second);
+
+ lookup l;
+
+ if (pt == nullptr)
+ {
+ l5 ([&]{trace << "ignoring " << p << " (filtered out)";});
+ }
+ else if ((l = (*pt)[var_install (*p.scope.root_scope ())]) &&
+ cast<path> (l).string () == "false")
+ {
+ l5 ([&]{trace << "ignoring " << *pt << " (not installable)";});
+ pt = nullptr;
+ }
+ else if (pt->is_a<file> ())
+ {
+ match_sync (a, *pt, options);
+ }
+ else if (!try_match_sync (a, *pt, options).first)
+ {
+ l5 ([&]{trace << "ignoring " << *pt << " (no rule)";});
+ pt = nullptr;
+ }
+
+ pto = prerequisite_target (pt, pi, fr.first == nullptr ? 1 : 0);
}
- else
- return noop_recipe;
+
+ assert (en == n); // Did not call apply() with true for reapply?
}
// group_rule
@@ -214,16 +282,19 @@ namespace build2
alias_rule::match (a, t);
}
- const target* group_rule::
- filter (action, const target&, const target& m) const
+ bool group_rule::
+ filter (action, const target&, const target&) const
{
- return &m;
+ return true;
}
- const target* group_rule::
+ pair<const target*, uint64_t> group_rule::
filter (const scope* is,
- action, const target& t, const prerequisite& p) const
+ action, const target& t, const prerequisite& p,
+ match_extra&) const
{
+ pair<const target*, uint64_t> r (nullptr, match_extra::all_options);
+
// The same logic as in file_rule::filter() below.
//
if (p.is_a<exe> ())
@@ -232,15 +303,18 @@ namespace build2
if (p.vars.empty () ||
cast_empty<path> (p.vars[var_install (rs)]).string () != "true")
- return nullptr;
+ return r;
}
const target& pt (search (t, p));
- return is == nullptr || pt.in (*is) ? &pt : nullptr;
+ if (is == nullptr || pt.in (*is))
+ r.first = &pt;
+
+ return r;
}
recipe group_rule::
- apply (action a, target& t) const
+ apply (action a, target& t, match_extra& me) const
{
tracer trace ("install::group_rule::apply");
@@ -265,17 +339,16 @@ namespace build2
auto& pts (t.prerequisite_targets[a]);
for (size_t i (0); i != gv.count; ++i)
{
- const target* m (gv.members[i]);
+ const target* mt (gv.members[i]);
- if (m == nullptr)
+ if (mt == nullptr)
continue;
// Let a customized rule have its say.
//
- const target* mt (filter (a, t, *m));
- if (mt == nullptr)
+ if (!filter (a, t, *mt))
{
- l5 ([&]{trace << "ignoring " << *m << " (filtered out)";});
+ l5 ([&]{trace << "ignoring " << *mt << " (filtered out)";});
continue;
}
@@ -298,7 +371,7 @@ namespace build2
// Delegate to the base rule.
//
- return alias_rule::apply (a, t);
+ return alias_rule::apply (a, t, me);
}
@@ -315,18 +388,28 @@ namespace build2
return true;
}
- const target* file_rule::
+ bool file_rule::
+ filter (action, const target&, const target&) const
+ {
+ return true;
+ }
+
+ pair<const target*, uint64_t> file_rule::
filter (const scope* is,
- action a, const target& t, prerequisite_iterator& i) const
+ action a, const target& t, prerequisite_iterator& i,
+ match_extra& me) const
{
assert (i->member == nullptr);
- return filter (is, a, t, i->prerequisite);
+ return filter (is, a, t, i->prerequisite, me);
}
- const target* file_rule::
+ pair<const target*, uint64_t> file_rule::
filter (const scope* is,
- action, const target& t, const prerequisite& p) const
+ action, const target& t, const prerequisite& p,
+ match_extra&) const
{
+ pair<const target*, uint64_t> r (nullptr, match_extra::all_options);
+
// See also group_rule::filter() with identical semantics.
//
if (p.is_a<exe> ())
@@ -340,25 +423,37 @@ namespace build2
//
if (p.vars.empty () ||
cast_empty<path> (p.vars[var_install (rs)]).string () != "true")
- return nullptr;
+ return r;
}
const target& pt (search (t, p));
- return is == nullptr || pt.in (*is) ? &pt : nullptr;
+ if (is == nullptr || pt.in (*is))
+ r.first = &pt;
+
+ return r;
}
recipe file_rule::
- apply (action a, target& t) const
+ apply (action a, target& t, match_extra& me) const
{
- recipe r (apply_impl (a, t));
+ recipe r (apply_impl (a, t, me));
return r != nullptr ? move (r) : noop_recipe;
}
recipe file_rule::
- apply_impl (action a, target& t) const
+ apply (action, target&) const
+ {
+ assert (false); // Never called.
+ return nullptr;
+ }
+
+ recipe file_rule::
+ apply_impl (action a, target& t, match_extra& me, bool reapply) const
{
tracer trace ("install::file_rule::apply");
+ assert (!reapply || a.operation () != update_id);
+
// Note that we are called both as the outer part during the update-for-
// un/install pre-operation and as the inner part during the un/install
// operation itself.
@@ -415,6 +510,8 @@ namespace build2
auto pms (group_prerequisite_members (a, t, members_mode::never));
for (auto i (pms.begin ()), e (pms.end ()); i != e; ++i)
{
+ // NOTE: see essentially the same logic in reapply_impl() below.
+ //
const prerequisite& p (i->prerequisite);
// Ignore excluded.
@@ -438,27 +535,30 @@ namespace build2
if (!is)
is = a.operation () != update_id ? install_scope (t) : nullptr;
- const target* pt (filter (*is, a, t, i));
+ pair<const target*, uint64_t> fr (filter (*is, a, t, i, me));
+
+ const target* pt (fr.first);
+ uint64_t options (fr.second);
+
+ lookup l;
if (pt == nullptr)
{
l5 ([&]{trace << "ignoring " << p << " (filtered out)";});
- continue;
}
-
+ //
// See if we were explicitly instructed not to touch this target (the
// same semantics as in alias_rule).
//
// Note: not the same as lookup_install() above.
//
- auto l ((*pt)[var_install (*p.scope.root_scope ())]);
- if (l && cast<path> (l).string () == "false")
+ else if ((l = (*pt)[var_install (*p.scope.root_scope ())]) &&
+ cast<path> (l).string () == "false")
{
l5 ([&]{trace << "ignoring " << *pt << " (not installable)";});
- continue;
+ pt = nullptr;
}
-
- if (pt->is_a<file> ())
+ else if (pt->is_a<file> ())
{
// If the matched rule returned noop_recipe, then the target state
// is set to unchanged as an optimization. Use this knowledge to
@@ -466,17 +566,28 @@ namespace build2
// when updating static installable content (headers, documentation,
// etc).
//
- if (match_sync (a, *pt, unmatch::unchanged).first)
+ // Regarding options, the expectation here is that they are not used
+ // for the update operation. And for install/uninstall, if they are
+ // used, then they don't effect whether the target is unchanged. All
+ // feels reasonable.
+ //
+ if (match_sync (a, *pt, unmatch::unchanged, options).first)
pt = nullptr;
}
- else if (!try_match_sync (a, *pt).first)
+ else if (!try_match_sync (a, *pt, options).first)
{
l5 ([&]{trace << "ignoring " << *pt << " (no rule)";});
pt = nullptr;
}
- if (pt != nullptr)
- pts.push_back (prerequisite_target (pt, pi));
+ if (pt != nullptr || reapply)
+ {
+ // Use auxiliary data for a NULL entry to distinguish between
+ // filtered out (1) and ignored for other reasons (0).
+ //
+ pts.push_back (
+ prerequisite_target (pt, pi, fr.first == nullptr ? 1 : 0));
+ }
}
#if 1
@@ -502,6 +613,79 @@ namespace build2
}
}
+ void file_rule::
+ reapply_impl (action a, target& t, match_extra& me) const
+ {
+ tracer trace ("install::file_rule::reapply");
+
+ assert (a.operation () != update_id);
+
+ optional<const scope*> is;
+
+ // Iterate over prerequisites and prerequisite targets in parallel.
+ //
+ auto& pts (t.prerequisite_targets[a]);
+ size_t j (0), n (pts.size ()), en (0);
+
+ auto pms (group_prerequisite_members (a, t, members_mode::never));
+ for (auto i (pms.begin ()), e (pms.end ());
+ i != e && j != n;
+ ++i, ++j, ++en)
+ {
+ // The same logic as in apply() above except that we skip
+ // prerequisites that were not filtered out.
+ //
+ const prerequisite& p (i->prerequisite);
+
+ include_type pi (include (a, t, p));
+ if (!pi)
+ continue;
+
+ if (p.proj)
+ continue;
+
+ prerequisite_target& pto (pts[j]);
+
+ if (pto.target != nullptr || pto.data == 0)
+ continue;
+
+ if (!is)
+ is = a.operation () != update_id ? install_scope (t) : nullptr;
+
+ pair<const target*, uint64_t> fr (filter (*is, a, t, i, me));
+
+ const target* pt (fr.first);
+ uint64_t options (fr.second);
+
+ lookup l;
+
+ if (pt == nullptr)
+ {
+ l5 ([&]{trace << "ignoring " << p << " (filtered out)";});
+ }
+ else if ((l = (*pt)[var_install (*p.scope.root_scope ())]) &&
+ cast<path> (l).string () == "false")
+ {
+ l5 ([&]{trace << "ignoring " << *pt << " (not installable)";});
+ pt = nullptr;
+ }
+ else if (pt->is_a<file> ())
+ {
+ if (match_sync (a, *pt, unmatch::unchanged, options).first)
+ pt = nullptr;
+ }
+ else if (!try_match_sync (a, *pt, options).first)
+ {
+ l5 ([&]{trace << "ignoring " << *pt << " (no rule)";});
+ pt = nullptr;
+ }
+
+ pto = prerequisite_target (pt, pi, fr.first == nullptr ? 1 : 0);
+ }
+
+ assert (en == n); // Did not call apply() with true for reapply?
+ }
+
target_state file_rule::
perform_update (action a, const target& t)
{
@@ -1160,6 +1344,8 @@ namespace build2
//
target_state r (straight_execute_prerequisites (a, t));
+ bool fr (filter (a, t, t));
+
// Then installable ad hoc group members, if any.
//
for (const target* m (t.adhoc_member);
@@ -1170,10 +1356,13 @@ namespace build2
{
if (!mf->path ().empty () && mf->mtime () != timestamp_nonexistent)
{
- if (const path* p = lookup_install<path> (*mf, "install"))
+ if (filter (a, t, *mf))
{
- install_target (*mf, *p, tp.empty () ? 1 : 2);
- r |= target_state::changed;
+ if (const path* p = lookup_install<path> (*mf, "install"))
+ {
+ install_target (*mf, *p, !fr || tp.empty () ? 1 : 2);
+ r |= target_state::changed;
+ }
}
}
}
@@ -1182,7 +1371,7 @@ namespace build2
// Finally install the target itself (since we got here we know the
// install variable is there).
//
- if (!tp.empty ())
+ if (fr && !tp.empty ())
{
install_target (t, cast<path> (t[var_install (rs)]), 1);
r |= target_state::changed;
@@ -1534,7 +1723,9 @@ namespace build2
//
target_state r (target_state::unchanged);
- if (!tp.empty ())
+ bool fr (filter (a, t, t));
+
+ if (fr && !tp.empty ())
r |= uninstall_target (t, cast<path> (t[var_install (rs)]), 1);
// Then installable ad hoc group members, if any. To be anally precise,
@@ -1549,12 +1740,15 @@ namespace build2
{
if (!mf->path ().empty () && mf->mtime () != timestamp_nonexistent)
{
- if (const path* p = lookup_install<path> (*m, "install"))
+ if (filter (a, t, *mf))
{
- r |= uninstall_target (
- *mf,
- *p,
- tp.empty () || r != target_state::changed ? 1 : 2);
+ if (const path* p = lookup_install<path> (*m, "install"))
+ {
+ r |= uninstall_target (
+ *mf,
+ *p,
+ !fr || tp.empty () || r != target_state::changed ? 1 : 2);
+ }
}
}
}
@@ -1566,5 +1760,40 @@ namespace build2
return r;
}
+
+ // fsdir_rule
+ //
+ const fsdir_rule fsdir_rule::instance;
+
+ bool fsdir_rule::
+ match (action, target&) const
+ {
+ // We always match.
+ //
+ // Note that we are called both as the outer part during the update-for-
+ // un/install pre-operation and as the inner part during the un/install
+ // operation itself.
+ //
+ return true;
+ }
+
+ recipe fsdir_rule::
+ apply (action a, target& t) const
+ {
+ // If this is outer part of the update-for-un/install, delegate to the
+ // default fsdir rule. Otherwise, this is a noop (we don't install
+ // fsdir{}).
+ //
+ // For now we also assume we don't need to do anything for prerequisites
+ // (the only sensible prerequisite of fsdir{} is another fsdir{}).
+ //
+ if (a.operation () == update_id)
+ {
+ match_inner (a, t);
+ return inner_recipe;
+ }
+ else
+ return noop_recipe;
+ }
}
}
diff --git a/libbuild2/install/rule.hxx b/libbuild2/install/rule.hxx
index b319071..b023af5 100644
--- a/libbuild2/install/rule.hxx
+++ b/libbuild2/install/rule.hxx
@@ -25,42 +25,60 @@ namespace build2
match (action, target&) const override;
// Return NULL if this prerequisite should be ignored and pointer to its
- // target otherwise.
+ // target otherwise. In the latter case, return the match options that
+ // should be used for this prerequisite (use match_extra::all_options
+ // and not 0 if no match options are needed).
//
// The default implementation ignores prerequsites that are outside of
// the installation scope (see install_scope() for details).
//
+ // The default implementation always returns match_extra::all_options.
+ // The match_extra argument is not used by the default implementation.
+ //
// The prerequisite is passed as an iterator allowing the filter to
// "see" inside groups.
//
using prerequisite_iterator =
prerequisite_members_range<group_prerequisites>::iterator;
- virtual const target*
+ virtual pair<const target*, uint64_t>
filter (const scope*,
- action, const target&, prerequisite_iterator&) const;
+ action, const target&, prerequisite_iterator&,
+ match_extra&) const;
- virtual const target*
- filter (const scope*, action, const target&, const prerequisite&) const;
+ virtual pair<const target*, uint64_t>
+ filter (const scope*,
+ action, const target&, const prerequisite&,
+ match_extra&) const;
+ // Note: rule::apply() override (with match_extra).
+ //
virtual recipe
- apply (action, target&) const override;
+ apply (action, target&, match_extra&) const override;
+
+ // Implementation of apply().
+ //
+ // If the implementation may call reapply_impl(), then the reapply
+ // argument to apply_impl() must be true. Note that in this case, the
+ // *_impl() functions use the prerequisite_target::data member for own
+ // housekeeping.
+ //
+ recipe
+ apply_impl (action, target&, match_extra&, bool reapply = false) const;
+
+ // Implementation of reapply() that re-tries prerequisites that have
+ // been filtered out during the reapply() call. Note that currently not
+ // supported for update, only for install/uninstall.
+ //
+ void
+ reapply_impl (action, target&, match_extra&) const;
alias_rule () {}
static const alias_rule instance;
- };
-
- class fsdir_rule: public simple_rule
- {
- public:
- virtual bool
- match (action, target&) const override;
+ private:
virtual recipe
- apply (action, target&) const override;
-
- fsdir_rule () {}
- static const fsdir_rule instance;
+ apply (action, target&) const override; // Dummy simple_rule override.
};
// In addition to the alias rule's semantics, this rule sees through to
@@ -80,28 +98,26 @@ namespace build2
virtual bool
match (action, target&) const override;
- // Return NULL if this group member should be ignored and pointer to its
- // target otherwise.
+ // Return false if this group member should be ignored and true
+ // otherwise. Note that this filter is called during apply().
//
// The default implementation accepts all members.
//
- virtual const target*
+ virtual bool
filter (action, const target&, const target& group_member) const;
// Return NULL if this prerequisite should be ignored and pointer to its
- // target otherwise.
- //
- // The same semantics as in file_rule below.
+ // target otherwise. The same semantics as in file_rule below.
//
- using alias_rule::filter; // "Unhide" to make Clang happy.
-
- virtual const target*
+ virtual pair<const target*, uint64_t>
filter (const scope*,
- action, const target&,
- const prerequisite&) const override;
+ action, const target&, const prerequisite&,
+ match_extra&) const override;
+
+ using alias_rule::filter; // "Unhide" to make Clang happy.
virtual recipe
- apply (action, target&) const override;
+ apply (action, target&, match_extra&) const override;
group_rule (bool sto): see_through_only (sto) {}
static const group_rule instance;
@@ -117,8 +133,21 @@ namespace build2
virtual bool
match (action, target&) const override;
+ // Return false if this ad hoc group member should be ignored and true
+ // otherwise. Note that this filter is called during execute and only
+ // for install/uninstall (and not update). For generality, it is also
+ // (first) called on the target itself (can be detected by comparing
+ // the second and third arguments).
+ //
+ // The default implementation accepts all members.
+ //
+ virtual bool
+ filter (action, const target&, const target& adhoc_group_member) const;
+
// Return NULL if this prerequisite should be ignored and pointer to its
- // target otherwise.
+ // target otherwise. In the latter case, return the match options that
+ // should be used for this prerequisite (use match_extra::all_options
+ // and not 0 if no match options are needed).
//
// The default implementation ignores prerequsites that are outside of
// the installation scope (see install_scope() for details). It also
@@ -130,27 +159,47 @@ namespace build2
//
// exe{foo}: exe{bar}: install = true # foo runs bar
//
+ // The default implementation always returns match_extra::all_options.
+ // The match_extra argument is not used by the default implementation.
+ //
// The prerequisite is passed as an iterator allowing the filter to
// "see" inside groups.
//
using prerequisite_iterator =
prerequisite_members_range<group_prerequisites>::iterator;
- virtual const target*
+ virtual pair<const target*, uint64_t>
filter (const scope*,
- action, const target&, prerequisite_iterator&) const;
+ action, const target&, prerequisite_iterator&,
+ match_extra&) const;
- virtual const target*
- filter (const scope*, action, const target&, const prerequisite&) const;
+ virtual pair<const target*, uint64_t>
+ filter (const scope*,
+ action, const target&, const prerequisite&,
+ match_extra&) const;
+ // Note: rule::apply() override (with match_extra).
+ //
virtual recipe
- apply (action, target&) const override;
+ apply (action, target&, match_extra&) const override;
- // Implementation of apply() that returns empty_recipe if the target is
- // not installable.
+ // Implementation of apply() that returns empty_recipe (i.e., NULL) if
+ // the target is not installable.
+ //
+ // If the implementation may call reapply_impl(), then the reapply
+ // argument to apply_impl() must be true. Note that in this case, the
+ // *_impl() functions use the prerequisite_target::data member for own
+ // housekeeping.
//
recipe
- apply_impl (action, target&) const;
+ apply_impl (action, target&, match_extra&, bool reapply = false) const;
+
+ // Implementation of reapply() that re-tries prerequisites that have
+ // been filtered out during the reapply() call. Note that currently not
+ // supported for update, only for install/uninstall.
+ //
+ void
+ reapply_impl (action, target&, match_extra&) const;
static target_state
perform_update (action, const target&);
@@ -288,6 +337,23 @@ namespace build2
static const file_rule instance;
file_rule () {}
+
+ private:
+ virtual recipe
+ apply (action, target&) const override; // Dummy simple_rule override.
+ };
+
+ class fsdir_rule: public simple_rule
+ {
+ public:
+ virtual bool
+ match (action, target&) const override;
+
+ virtual recipe
+ apply (action, target&) const override;
+
+ fsdir_rule () {}
+ static const fsdir_rule instance;
};
}
}