summaryrefslogtreecommitdiff
path: root/Source/cmExportTryCompileFileGenerator.cxx
blob: cd0a7e69aad8d040b6a48c7df180f57f694064a0 (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
122
123
124
125
126
127
128
129
130
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmExportTryCompileFileGenerator.h"

#include "cmGeneratorExpression.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cm_auto_ptr.hxx"

#include <map>
#include <utility>

cmExportTryCompileFileGenerator::cmExportTryCompileFileGenerator(
  cmGlobalGenerator* gg, const std::vector<std::string>& targets,
  cmMakefile* mf)
{
  gg->CreateImportedGenerationObjects(mf, targets, this->Exports);
}

bool cmExportTryCompileFileGenerator::GenerateMainFile(std::ostream& os)
{
  std::set<cmGeneratorTarget const*> emitted;
  std::set<cmGeneratorTarget const*> emittedDeps;
  while (!this->Exports.empty()) {
    cmGeneratorTarget const* te = this->Exports.back();
    this->Exports.pop_back();
    if (emitted.insert(te).second) {
      emittedDeps.insert(te);
      this->GenerateImportTargetCode(os, te);

      ImportPropertyMap properties;

#define FIND_TARGETS(PROPERTY)                                                \
  this->FindTargets("INTERFACE_" #PROPERTY, te, emittedDeps);

      CM_FOR_EACH_TRANSITIVE_PROPERTY_NAME(FIND_TARGETS)

#undef FIND_TARGETS

      this->PopulateProperties(te, properties, emittedDeps);

      this->GenerateInterfaceProperties(te, os, properties);
    }
  }
  return true;
}

std::string cmExportTryCompileFileGenerator::FindTargets(
  const std::string& propName, cmGeneratorTarget const* tgt,
  std::set<cmGeneratorTarget const*>& emitted)
{
  const char* prop = tgt->GetProperty(propName);
  if (!prop) {
    return std::string();
  }

  cmGeneratorExpression ge;

  cmGeneratorExpressionDAGChecker dagChecker(tgt->GetName(), propName,
                                             CM_NULLPTR, CM_NULLPTR);

  CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = ge.Parse(prop);

  cmTarget dummyHead("try_compile_dummy_exe", cmStateEnums::EXECUTABLE,
                     cmTarget::VisibilityNormal, tgt->Target->GetMakefile());

  cmGeneratorTarget gDummyHead(&dummyHead, tgt->GetLocalGenerator());

  std::string result = cge->Evaluate(tgt->GetLocalGenerator(), this->Config,
                                     false, &gDummyHead, tgt, &dagChecker);

  const std::set<cmGeneratorTarget const*>& allTargets =
    cge->GetAllTargetsSeen();
  for (std::set<cmGeneratorTarget const*>::const_iterator li =
         allTargets.begin();
       li != allTargets.end(); ++li) {
    if (emitted.insert(*li).second) {
      this->Exports.push_back(*li);
    }
  }
  return result;
}

void cmExportTryCompileFileGenerator::PopulateProperties(
  const cmGeneratorTarget* target, ImportPropertyMap& properties,
  std::set<cmGeneratorTarget const*>& emitted)
{
  std::vector<std::string> props = target->GetPropertyKeys();
  for (std::vector<std::string>::const_iterator i = props.begin();
       i != props.end(); ++i) {

    properties[*i] = target->GetProperty(*i);

    if (i->find("IMPORTED_LINK_INTERFACE_LIBRARIES") == 0 ||
        i->find("IMPORTED_LINK_DEPENDENT_LIBRARIES") == 0 ||
        i->find("INTERFACE_LINK_LIBRARIES") == 0) {
      std::string evalResult = this->FindTargets(*i, target, emitted);

      std::vector<std::string> depends;
      cmSystemTools::ExpandListArgument(evalResult, depends);
      for (std::vector<std::string>::const_iterator li = depends.begin();
           li != depends.end(); ++li) {
        cmGeneratorTarget* tgt =
          target->GetLocalGenerator()->FindGeneratorTargetToUse(*li);
        if (tgt && emitted.insert(tgt).second) {
          this->Exports.push_back(tgt);
        }
      }
    }
  }
}

std::string cmExportTryCompileFileGenerator::InstallNameDir(
  cmGeneratorTarget* target, const std::string& config)
{
  std::string install_name_dir;

  cmMakefile* mf = target->Target->GetMakefile();
  if (mf->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
    install_name_dir = target->GetInstallNameDirForBuildTree(config);
  }

  return install_name_dir;
}