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BUG: fix SameFile function for windows, and compare source directories

This commit is contained in:
Bill Hoffman 2002-04-19 08:27:50 -04:00
parent dd7ab1f577
commit 75f9434374
2 changed files with 49 additions and 11 deletions
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42
Source/cmSystemTools.cxx
View File

@ -487,6 +487,47 @@ std::string cmSystemTools::EscapeQuotes(const char* str)
bool cmSystemTools::SameFile(const char* file1, const char* file2)
{
#ifdef _WIN32
HANDLE hFile1, hFile2;
hFile1 = CreateFile( file1,
GENERIC_READ,
FILE_SHARE_READ ,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL
);
hFile2 = CreateFile( file2,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL
);
if( hFile1 == INVALID_HANDLE_VALUE || hFile2 == INVALID_HANDLE_VALUE)
{
if(hFile1 != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile1);
}
if(hFile2 != INVALID_HANDLE_VALUE)
{
CloseHandle(hFile2);
}
return false;
}
BY_HANDLE_FILE_INFORMATION fiBuf1;
BY_HANDLE_FILE_INFORMATION fiBuf2;
GetFileInformationByHandle( hFile1, &fiBuf1 );
GetFileInformationByHandle( hFile2, &fiBuf2 );
CloseHandle(hFile1);
CloseHandle(hFile2);
return (fiBuf1.nFileIndexHigh == fiBuf2.nFileIndexHigh &&
fiBuf1.nFileIndexLow == fiBuf2.nFileIndexLow);
#else
struct stat fileStat1, fileStat2;
if (stat(file1, &fileStat1) == 0 && stat(file2, &fileStat2) == 0)
{
@ -501,6 +542,7 @@ bool cmSystemTools::SameFile(const char* file1, const char* file2)
}
}
return false;
#endif
}

18
Source/cmake.cxx
View File

@ -358,19 +358,15 @@ int cmake::Generate(const std::vector<std::string>& args, bool buildMakefiles)
cmCacheManager::GetInstance()->LoadCache(&mf);
if(mf.GetDefinition("CMAKE_HOME_DIRECTORY"))
{
std::string cacheStart =
cmSystemTools::CollapseFullPath(mf.GetDefinition("CMAKE_HOME_DIRECTORY"));
std::string currentStart =
cmSystemTools::CollapseFullPath(mf.GetHomeDirectory());
#ifdef _WIN32
cacheStart = cmSystemTools::LowerCase(cacheStart);
currentStart = cmSystemTools::LowerCase(currentStart);
#endif
if(cacheStart != currentStart)
std::string cacheStart = mf.GetDefinition("CMAKE_HOME_DIRECTORY");
cacheStart += "/CMakeLists.txt";
std::string currentStart = mf.GetHomeDirectory();
currentStart += "/CMakeLists.txt";
if(!cmSystemTools::SameFile(cacheStart.c_str(), currentStart.c_str()))
{
std::string message = "Error: source directory: ";
std::string message = "Error: source : ";
message += currentStart;
message += "\nDoes not match source directory used to generate cache: ";
message += "\nDoes not match source used to generate cache: ";
message += cacheStart;
message += "\nRe-run cmake with a different source directory.";
cmSystemTools::Error(message.c_str());