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Merge topic 'safe-target-file-import' 

bf2ddce Generate an early-return guard in target Export files.
This commit is contained in:
David Cole 2012-12-05 10:29:48 -05:00 committed by CMake Topic Stage
parent 00dc0ce592 bf2ddceb4e
commit 8a581696ef
4 changed files with 61 additions and 0 deletions
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14
Source/cmExportBuildFileGenerator.cxx
View File

@ -22,6 +22,20 @@ cmExportBuildFileGenerator::cmExportBuildFileGenerator()
//----------------------------------------------------------------------------
bool cmExportBuildFileGenerator::GenerateMainFile(std::ostream& os)
{
{
std::string expectedTargets;
std::string sep;
for(std::vector<cmTarget*>::const_iterator
tei = this->Exports->begin();
tei != this->Exports->end(); ++tei)
{
expectedTargets += sep + this->Namespace + (*tei)->GetName();
sep = " ";
}
this->GenerateExpectedTargetsCode(os, expectedTargets);
}
// Create all the imported targets.
for(std::vector<cmTarget*>::const_iterator
tei = this->Exports->begin();

31
Source/cmExportFileGenerator.cxx
View File

@ -286,6 +286,37 @@ void cmExportFileGenerator::GenerateImportVersionCode(std::ostream& os)
<< "\n";
}
//----------------------------------------------------------------------------
void cmExportFileGenerator::GenerateExpectedTargetsCode(std::ostream& os,
const std::string &expectedTargets)
{
os << "SET(_targetsDefined)\n"
"SET(_targetsNotDefined)\n"
"SET(_expectedTargets)\n"
"FOREACH(_expectedTarget " << expectedTargets << ")\n"
" LIST(APPEND _expectedTargets ${_expectedTarget})\n"
" IF(NOT TARGET ${_expectedTarget})\n"
" LIST(APPEND _targetsNotDefined ${_expectedTarget})\n"
" ENDIF(NOT TARGET ${_expectedTarget})\n"
" IF(TARGET ${_expectedTarget})\n"
" LIST(APPEND _targetsDefined ${_expectedTarget})\n"
" ENDIF(TARGET ${_expectedTarget})\n"
"ENDFOREACH(_expectedTarget)\n"
"IF(\"${_targetsDefined}\" STREQUAL \"${_expectedTargets}\")\n"
" SET(CMAKE_IMPORT_FILE_VERSION)\n"
" CMAKE_POLICY(POP)\n"
" RETURN()\n"
"ENDIF(\"${_targetsDefined}\" STREQUAL \"${_expectedTargets}\")\n"
"IF(NOT \"${_targetsDefined}\" STREQUAL \"\")\n"
" MESSAGE(FATAL_ERROR \"Some (but not all) targets in this export "
"set were already defined.\\nTargets Defined: ${_targetsDefined}\\n"
"Targets not yet defined: ${_targetsNotDefined}\\n\")\n"
"ENDIF(NOT \"${_targetsDefined}\" STREQUAL \"\")\n"
"UNSET(_targetsDefined)\n"
"UNSET(_targetsNotDefined)\n"
"UNSET(_expectedTargets)\n"
"\n\n";
}
//----------------------------------------------------------------------------
void
cmExportFileGenerator

2
Source/cmExportFileGenerator.h
View File

@ -63,6 +63,8 @@ protected:
void GenerateMissingTargetsCheckCode(std::ostream& os,
const std::vector<std::string>& missingTargets);
void GenerateExpectedTargetsCode(std::ostream& os,
const std::string &expectedTargets);
// Collect properties with detailed information about targets beyond
// their location on disk.

14
Source/cmExportInstallFileGenerator.cxx
View File

@ -39,6 +39,20 @@ std::string cmExportInstallFileGenerator::GetConfigImportFileGlob()
//----------------------------------------------------------------------------
bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
{
{
std::string expectedTargets;
std::string sep;
for(std::vector<cmTargetExport*>::const_iterator
tei = this->IEGen->GetExportSet()->GetTargetExports()->begin();
tei != this->IEGen->GetExportSet()->GetTargetExports()->end(); ++tei)
{
expectedTargets += sep + this->Namespace + (*tei)->Target->GetName();
sep = " ";
}
this->GenerateExpectedTargetsCode(os, expectedTargets);
}
// Create all the imported targets.
for(std::vector<cmTargetExport*>::const_iterator
tei = this->IEGen->GetExportSet()->GetTargetExports()->begin();