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// file : build2/cc/install.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <build2/cc/install.hxx>
#include <build2/algorithm.hxx>
#include <build2/bin/target.hxx>
#include <build2/cc/link.hxx> // match()
#include <build2/cc/utility.hxx>
using namespace std;
namespace build2
{
namespace cc
{
using namespace bin;
// file_install
//
file_install::
file_install (data&& d, const link& l): common (move (d)), link_ (l) {}
const target* file_install::
filter (action a, const target& t, prerequisite_member p) const
{
// NOTE: see also alias_install::filter() below if changing anything
// here.
otype ot (link_type (t).type);
// Don't install executable's prerequisite headers.
//
if (t.is_a<exe> () && x_header (p))
return nullptr;
// Here is a problem: if the user spells the obj*/bmi*{} targets
// explicitly, then the source files, including headers/modules may be
// specified as preprequisites of those targets and not of this target.
// While this can be worked around for headers by also listing them as
// prerequisites of this target, this won't work for modules (since they
// are compiled). So what we are going to do here is detect bmi*{} and
// translate them to their mxx{} (this doesn't quite work for headers
// since there would normally be several of them).
//
if (p.is_a<bmi> () || p.is_a (compile_types (ot).bmi))
{
const target& mt (p.search (t));
for (prerequisite_member mp: group_prerequisite_members (a, mt))
{
if (mp.is_a (*x_mod))
return t.is_a<exe> () ? nullptr : file_rule::filter (a, mt, mp);
}
}
// If this is a shared library prerequisite, install it as long as it
// is in the same amalgamation as we are.
//
// Less obvious: we also want to install a static library prerequisite
// of a library (since it could be referenced from its .pc file, etc).
//
bool st (t.is_a<exe> () || t.is_a<libs> ()); // Target needs shared.
bool at (t.is_a<liba> () || t.is_a<libs> ()); // Target needs static.
if ((st && (p.is_a<libx> () || p.is_a<libs> ())) ||
(at && (p.is_a<libx> () || p.is_a<liba> ())))
{
const target* pt (&p.search (t));
// If this is the lib{}/libu{} group, pick a member which we would
// link. For libu{} we want to the "see through" logic.
//
if (const libx* l = pt->is_a<libx> ())
pt = &link_member (*l, a, link_info (t.base_scope (), ot));
if ((st && pt->is_a<libs> ()) || (at && pt->is_a<liba> ()))
return pt->in (t.weak_scope ()) ? pt : nullptr;
// See through libux{}. Note that we are always in the same project
// (and thus amalgamation).
//
if (pt->is_a<libux> ())
return pt;
}
return file_rule::filter (a, t, p);
}
match_result file_install::
match (action a, target& t, const string& hint) const
{
// @@ How do we split the hint between the two?
//
// We only want to handle installation if we are also the ones building
// this target. So first run link's match().
//
match_result r (link_.match (a, t, hint));
return r ? file_rule::match (a, t, "") : r;
}
recipe file_install::
apply (action a, target& t) const
{
recipe r (file_rule::apply (a, t));
// Derive shared library paths and cache them in the target's aux
// storage if we are (un)installing (used in *_extra() functions below).
//
if (a.operation () == install_id || a.operation () == uninstall_id)
{
file* f;
if ((f = t.is_a<libs> ()) != nullptr && tclass != "windows")
{
const string* p (cast_null<string> (t["bin.lib.prefix"]));
const string* s (cast_null<string> (t["bin.lib.suffix"]));
t.data (
link_.derive_libs_paths (*f,
p != nullptr ? p->c_str (): nullptr,
s != nullptr ? s->c_str (): nullptr));
}
}
return r;
}
void file_install::
install_extra (const file& t, const install_dir& id) const
{
if (t.is_a<libs> () && tclass != "windows")
{
// Here we may have a bunch of symlinks that we need to install.
//
auto& lp (t.data<link::libs_paths> ());
auto ln = [&id] (const path& f, const path& l)
{
install_l (id, f.leaf (), l.leaf (), false);
};
const path& lk (lp.link);
const path& so (lp.soname);
const path& in (lp.interm);
const path* f (&lp.real);
if (!in.empty ()) {ln (*f, in); f = ∈}
if (!so.empty ()) {ln (*f, so); f = &so;}
if (!lk.empty ()) {ln (*f, lk);}
}
}
bool file_install::
uninstall_extra (const file& t, const install_dir& id) const
{
bool r (false);
if (t.is_a<libs> () && tclass != "windows")
{
// Here we may have a bunch of symlinks that we need to uninstall.
//
auto& lp (t.data<link::libs_paths> ());
auto rm = [&id] (const path& l)
{
return uninstall_f (id, nullptr, l.leaf (), false);
};
const path& lk (lp.link);
const path& so (lp.soname);
const path& in (lp.interm);
if (!lk.empty ()) r = rm (lk) || r;
if (!so.empty ()) r = rm (so) || r;
if (!in.empty ()) r = rm (in) || r;
}
return r;
}
// alias_install
//
alias_install::
alias_install (data&& d, const link& l): common (move (d)), link_ (l) {}
const target* alias_install::
filter (action a, const target& t, prerequisite_member p) const
{
// The "see through" semantics that should be parallel to file_install
// above. In particular, here we use libue/libua/libus{} as proxies for
// exe/liba/libs{} there.
otype ot (link_type (t).type);
if (t.is_a<libue> () && x_header (p))
return nullptr;
if (p.is_a<bmi> () || p.is_a (compile_types (ot).bmi))
{
const target& mt (p.search (t));
for (prerequisite_member mp: group_prerequisite_members (a, mt))
{
if (mp.is_a (*x_mod))
return t.is_a<libue> () ? nullptr : alias_rule::filter (a, mt, mp);
}
}
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.
if ((st && (p.is_a<libx> () || p.is_a<libs> ())) ||
(at && (p.is_a<libx> () || p.is_a<liba> ())))
{
const target* pt (&p.search (t));
if (const libx* l = pt->is_a<libx> ())
pt = &link_member (*l, a, link_info (t.base_scope (), ot));
if ((st && pt->is_a<libs> ()) || (at && pt->is_a<liba> ()))
return pt->in (t.weak_scope ()) ? pt : nullptr;
if (pt->is_a<libux> ())
return pt;
}
return alias_rule::filter (a, t, p);
}
match_result alias_install::
match (action a, target& t, const string& hint) const
{
// We only want to handle installation if we are also the ones building
// this target. So first run link's match().
//
match_result r (link_.match (a, t, hint));
return r ? alias_rule::match (a, t, "") : r;
}
}
}
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