summaryrefslogtreecommitdiffstats
path: root/Source/cmLinkItem.h
blob: 10dd465f8e07953c881e57ec2c46c613f9293284 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2004-2015 Kitware, Inc.

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/

#ifndef cmLinkItem_h
#define cmLinkItem_h

#include "cmListFileCache.h"

class cmTarget;

// Basic information about each link item.
class cmLinkItem: public std::string
{
  typedef std::string std_string;
public:
  cmLinkItem(): std_string(), Target(0) {}
  cmLinkItem(const std_string& n,
             cmTarget const* t): std_string(n), Target(t) {}
  cmLinkItem(cmLinkItem const& r): std_string(r), Target(r.Target) {}
  cmTarget const* Target;
};

class cmLinkImplItem: public cmLinkItem
{
public:
  cmLinkImplItem(): cmLinkItem(), Backtrace(), FromGenex(false) {}
  cmLinkImplItem(std::string const& n,
                 cmTarget const* t,
                 cmListFileBacktrace const& bt,
                 bool fromGenex):
    cmLinkItem(n, t), Backtrace(bt), FromGenex(fromGenex) {}
  cmLinkImplItem(cmLinkImplItem const& r):
    cmLinkItem(r), Backtrace(r.Backtrace), FromGenex(r.FromGenex) {}
  cmListFileBacktrace Backtrace;
  bool FromGenex;
};

/** The link implementation specifies the direct library
    dependencies needed by the object files of the target.  */
struct cmLinkImplementationLibraries
{
  // Libraries linked directly in this configuration.
  std::vector<cmLinkImplItem> Libraries;

  // Libraries linked directly in other configurations.
  // Needed only for OLD behavior of CMP0003.
  std::vector<cmLinkItem> WrongConfigLibraries;
};

struct cmLinkInterfaceLibraries
{
  // Libraries listed in the interface.
  std::vector<cmLinkItem> Libraries;
};

struct cmLinkInterface: public cmLinkInterfaceLibraries
{
  // Languages whose runtime libraries must be linked.
  std::vector<std::string> Languages;

  // Shared library dependencies needed for linking on some platforms.
  std::vector<cmLinkItem> SharedDeps;

  // Number of repetitions of a strongly connected component of two
  // or more static libraries.
  int Multiplicity;

  // Libraries listed for other configurations.
  // Needed only for OLD behavior of CMP0003.
  std::vector<cmLinkItem> WrongConfigLibraries;

  bool ImplementationIsInterface;

  cmLinkInterface(): Multiplicity(0), ImplementationIsInterface(false) {}
};

struct cmOptionalLinkInterface: public cmLinkInterface
{
  cmOptionalLinkInterface():
    LibrariesDone(false), AllDone(false),
    Exists(false), HadHeadSensitiveCondition(false),
    ExplicitLibraries(0) {}
  bool LibrariesDone;
  bool AllDone;
  bool Exists;
  bool HadHeadSensitiveCondition;
  const char* ExplicitLibraries;
};

struct cmHeadToLinkInterfaceMap:
    public std::map<cmTarget const*, cmOptionalLinkInterface>
{
};

struct cmLinkImplementation: public cmLinkImplementationLibraries
{
  // Languages whose runtime libraries must be linked.
  std::vector<std::string> Languages;
};

// Cache link implementation computation from each configuration.
struct cmOptionalLinkImplementation: public cmLinkImplementation
{
  cmOptionalLinkImplementation():
    LibrariesDone(false), LanguagesDone(false),
    HadHeadSensitiveCondition(false) {}
  bool LibrariesDone;
  bool LanguagesDone;
  bool HadHeadSensitiveCondition;
};

#endif