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ENH: Clean per-config export files during install 

When installing the main export file the install tree may be dirty.  If
out-dated per-config files exist they may break the newly installed main
file which when it globs them.  This teaches the installation script to
detect when it is about to replace the main export file with a different
one and cleans out any existing per-config files.
This commit is contained in:
Brad King 2009-01-07 14:16:40 -05:00
parent f074d9f571
commit 5797b1cd66
1 changed files with 24 additions and 0 deletions
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24
Source/cmInstallExportGenerator.cxx
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@ -203,6 +203,30 @@ cmInstallExportGenerator::GenerateScriptConfigs(std::ostream& os,
void cmInstallExportGenerator::GenerateScriptActions(std::ostream& os,
Indent const& indent)
{
// Remove old per-configuration export files if the main changes.
std::string installedDir = "$ENV{DESTDIR}";
installedDir += this->GetInstallDestination();
installedDir += "/";
std::string installedFile = installedDir;
installedFile += this->FileName;
os << indent << "IF(EXISTS \"" << installedFile << "\")\n";
Indent indentN = indent.Next();
Indent indentNN = indentN.Next();
Indent indentNNN = indentNN.Next();
os << indentN << "FILE(DIFFERENT EXPORT_FILE_CHANGED FILES\n"
<< indentN << " \"" << installedFile << "\"\n"
<< indentN << " \"" << this->MainImportFile << "\")\n";
os << indentN << "IF(EXPORT_FILE_CHANGED)\n";
os << indentNN << "FILE(GLOB OLD_CONFIG_FILES \"" << installedDir
<< this->EFGen->GetConfigImportFileGlob() << "\")\n";
os << indentNN << "IF(OLD_CONFIG_FILES)\n";
os << indentNNN << "MESSAGE(STATUS \"Old export file \\\"" << installedFile
<< "\\\" will be replaced. Removing files [${OLD_CONFIG_FILES}].\")\n";
os << indentNNN << "FILE(REMOVE ${OLD_CONFIG_FILES})\n";
os << indentNN << "ENDIF(OLD_CONFIG_FILES)\n";
os << indentN << "ENDIF(EXPORT_FILE_CHANGED)\n";
os << indent << "ENDIF()\n";
// Install the main export file.
std::vector<std::string> files;
files.push_back(this->MainImportFile);