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// file : build2/cc/link -*- C++ -*-
// copyright : Copyright (c) 2014-2017 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/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&) const override;
virtual recipe
apply (action, target&) const override;
target_state
perform_update (action, const target&) const;
target_state
perform_clean (action, const target&) const;
private:
friend class install;
// Shared library paths.
//
struct libs_paths
{
// If any (except real) is empty, then it is the same as the next
// one. Except for intermediate, for which empty indicates that it is
// not used.
//
// The libs{} path is always the real path. On Windows the link path
// is the import library.
//
const path link; // What we link: libfoo.so
const path soname; // SONAME: libfoo-1.so, libfoo.so.1
const path interm; // Intermediate: libfoo.so.1.2
const path& real; // Real: libfoo.so.1.2.3
inline const path&
effect_link () const {return link.empty () ? effect_soname () : link;}
inline const path&
effect_soname () const {return soname.empty () ? real : soname;}
};
libs_paths
derive_libs_paths (file&) const;
// Library handling.
//
void
append_libraries (strings&,
const file&, bool,
const scope&, action, lorder) const;
void
hash_libraries (sha256&,
const file&, bool,
const scope&, action, lorder) const;
void
rpath_libraries (strings&,
const target&,
const scope&, action, 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 (const file&,
const scope&,
action, lorder) const;
windows_dlls
windows_rpath_dlls (const file&, const scope&, action, lorder) const;
void
windows_rpath_assembly (const file&, const scope&, action, lorder,
const string&,
timestamp,
bool) const;
// Windows-specific (windows-manifest.cxx).
//
pair<path, bool>
windows_manifest (const file&, bool rpath_assembly) const;
private:
const string rule_id;
};
}
}
#endif // BUILD2_CC_LINK
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