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// file : build2/cc/link -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUILD2_CC_LINK
#define BUILD2_CC_LINK
#include <set>
#include <build2/types>
#include <build2/utility>
#include <build2/rule>
#include <build2/bin/target>
#include <build2/cc/types>
#include <build2/cc/common>
namespace build2
{
namespace cc
{
class link: public rule, virtual common
{
public:
link (data&&);
virtual match_result
match (action, target&, const string& hint) const;
virtual recipe
apply (action, target&, const match_result&) const;
target_state
perform_update (action, target&) const;
target_state
perform_clean (action, target&) const;
private:
friend class compile;
void
process_libraries (scope&,
lorder,
const dir_paths&,
file&,
bool,
const function<bool (file&, bool)>&,
const function<void (file*, const string&, bool)>&,
const function<void (file&,
const string&,
bool,
bool)>&,
bool = false) const;
void
append_libraries (strings&, file&, bool, scope&, lorder) const;
void
hash_libraries (sha256&, file&, bool, scope&, lorder) const;
void
rpath_libraries (strings&, target&, scope&, lorder, bool) const;
// Windows rpath emulation (windows-rpath.cxx).
//
struct windows_dll
{
const string& dll;
const string* pdb; // NULL if none.
string pdb_storage;
bool operator< (const windows_dll& y) const {return dll < y.dll;}
};
using windows_dlls = std::set<windows_dll>;
timestamp
windows_rpath_timestamp (file&, scope&, lorder) const;
windows_dlls
windows_rpath_dlls (file&, scope&, lorder) const;
void
windows_rpath_assembly (file&, scope&, lorder,
const string&,
timestamp,
bool) const;
file&
resolve_library (name,
scope&,
lorder,
const dir_paths&,
optional<dir_paths>&) const;
dir_paths
extract_library_dirs (scope&) const;
bool
pkgconfig_extract (scope&,
bin::lib&,
bin::liba*,
bin::libs*,
const string*,
const string&,
const dir_path&,
const dir_paths&) const;
// Alternative search logic for VC (msvc.cxx).
//
bin::liba*
msvc_search_static (const process_path&,
const dir_path&,
const prerequisite_key&) const;
bin::libs*
msvc_search_shared (const process_path&,
const dir_path&,
const prerequisite_key&) const;
target*
search_library (const dir_paths& sysd,
optional<dir_paths>& usrd,
prerequisite& p) const
{
if (p.target == nullptr) // First check the cache.
p.target = search_library (sysd, usrd, p.key ());
return p.target;
}
target*
search_library (const dir_paths&,
optional<dir_paths>&,
const prerequisite_key&) const;
// Windows-specific (windows-manifest.cxx).
//
path
windows_manifest (file&, bool rpath_assembly) const;
private:
const string rule_id;
};
}
}
#endif // BUILD2_CC_LINK
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