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-rw-r--r--Source/cmInstallExportGenerator.cxx24
1 files changed, 24 insertions, 0 deletions
diff --git a/Source/cmInstallExportGenerator.cxx b/Source/cmInstallExportGenerator.cxx
index 81971aa..f4befb3 100644
--- a/Source/cmInstallExportGenerator.cxx
+++ b/Source/cmInstallExportGenerator.cxx
@@ -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);