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Fix try_compile RemoveFile anti-virus loop (#11503) 

Commit 3827991e (...fix...not being able to remove try compile code,
2008-03-26) introduced a loop of RemoveFile attempts to overcome
anti-virus locks on recently created try_compile executables.  Fix the
logic in this loop to work when the file is already missing.
This commit is contained in:
Brad King 2010-12-03 07:38:15 -05:00
parent c300ef1c66
commit 097294e667
1 changed files with 11 additions and 21 deletions
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24
Source/cmCoreTryCompile.cxx
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@ -396,26 +396,17 @@ void cmCoreTryCompile::CleanupFiles(const char* binDir)
} }
else else
{ {
if(!cmSystemTools::RemoveFile(fullPath.c_str())) // Sometimes anti-virus software hangs on to new files so we
{ // cannot delete them immediately. Try a few times.
bool removed = false; int tries = 5;
int numAttempts = 0; while(!cmSystemTools::RemoveFile(fullPath.c_str()) &&
// sometimes anti-virus software hangs on to --tries && cmSystemTools::FileExists(fullPath.c_str()))
// new files and we can not delete them, so try
// 5 times with .5 second delay between tries.
while(!removed && numAttempts < 5)
{ {
cmSystemTools::Delay(500); cmSystemTools::Delay(500);
if(cmSystemTools::RemoveFile(fullPath.c_str()))
{
removed = true;
} }
numAttempts++; if(tries == 0)
}
if(!removed)
{ {
std::string m = "Remove failed on file: "; std::string m = "Remove failed on file: " + fullPath;
m += fullPath;
cmSystemTools::ReportLastSystemError(m.c_str()); cmSystemTools::ReportLastSystemError(m.c_str());
} }
} }
@ -423,7 +414,6 @@ void cmCoreTryCompile::CleanupFiles(const char* binDir)
} }
} }
} }
}
void cmCoreTryCompile::FindOutputFile(const char* targetName) void cmCoreTryCompile::FindOutputFile(const char* targetName)
{ {