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https://github.com/Kitware/CMake.git
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cmake.cxx: Move static functions to an anonymous namespace
This commit is contained in:
Alex Turbov
197
Source/cmake.cxx
197
Source/cmake.cxx
@@ -149,21 +149,110 @@ auto IgnoreAndTrueLambda = [](std::string const&, cmake*) -> bool {
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using CommandArgument =
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cmCommandLineArgument<bool(std::string const& value, cmake* state)>;
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} // namespace
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static bool cmakeCheckStampFile(const std::string& stampName);
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static bool cmakeCheckStampList(const std::string& stampList);
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#ifndef CMAKE_BOOTSTRAP
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static void cmWarnUnusedCliWarning(const std::string& variable, int /*unused*/,
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void* ctx, const char* /*unused*/,
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const cmMakefile* /*unused*/)
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void cmWarnUnusedCliWarning(const std::string& variable, int /*unused*/,
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void* ctx, const char* /*unused*/,
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const cmMakefile* /*unused*/)
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{
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cmake* cm = reinterpret_cast<cmake*>(ctx);
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cm->MarkCliAsUsed(variable);
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}
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#endif
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bool cmakeCheckStampFile(const std::string& stampName)
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{
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// The stamp file does not exist. Use the stamp dependencies to
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// determine whether it is really out of date. This works in
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// conjunction with cmLocalVisualStudio7Generator to avoid
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// repeatedly re-running CMake when the user rebuilds the entire
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// solution.
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std::string stampDepends = cmStrCat(stampName, ".depend");
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#if defined(_WIN32) || defined(__CYGWIN__)
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cmsys::ifstream fin(stampDepends.c_str(), std::ios::in | std::ios::binary);
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#else
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cmsys::ifstream fin(stampDepends.c_str());
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#endif
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if (!fin) {
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// The stamp dependencies file cannot be read. Just assume the
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// build system is really out of date.
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std::cout << "CMake is re-running because " << stampName
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<< " dependency file is missing.\n";
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return false;
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}
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// Compare the stamp dependencies against the dependency file itself.
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{
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cmFileTimeCache ftc;
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std::string dep;
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while (cmSystemTools::GetLineFromStream(fin, dep)) {
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int result;
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if (!dep.empty() && dep[0] != '#' &&
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(!ftc.Compare(stampDepends, dep, &result) || result < 0)) {
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// The stamp depends file is older than this dependency. The
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// build system is really out of date.
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/* clang-format off */
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std::cout << "CMake is re-running because " << stampName
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<< " is out-of-date.\n"
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" the file '" << dep << "'\n"
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" is newer than '" << stampDepends << "'\n"
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" result='" << result << "'\n";
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/* clang-format on */
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return false;
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}
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}
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}
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// The build system is up to date. The stamp file has been removed
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// by the VS IDE due to a "rebuild" request. Restore it atomically.
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std::ostringstream stampTempStream;
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stampTempStream << stampName << ".tmp" << cmSystemTools::RandomSeed();
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std::string stampTemp = stampTempStream.str();
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{
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// TODO: Teach cmGeneratedFileStream to use a random temp file (with
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// multiple tries in unlikely case of conflict) and use that here.
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cmsys::ofstream stamp(stampTemp.c_str());
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stamp << "# CMake generation timestamp file for this directory.\n";
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}
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std::string err;
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if (cmSystemTools::RenameFile(stampTemp, stampName,
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cmSystemTools::Replace::Yes, &err) ==
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cmSystemTools::RenameResult::Success) {
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// CMake does not need to re-run because the stamp file is up-to-date.
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return true;
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}
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cmSystemTools::RemoveFile(stampTemp);
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cmSystemTools::Error(
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cmStrCat("Cannot restore timestamp \"", stampName, "\": ", err));
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return false;
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}
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bool cmakeCheckStampList(const std::string& stampList)
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{
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// If the stamp list does not exist CMake must rerun to generate it.
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if (!cmSystemTools::FileExists(stampList)) {
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std::cout << "CMake is re-running because generate.stamp.list "
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"is missing.\n";
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return false;
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}
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cmsys::ifstream fin(stampList.c_str());
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if (!fin) {
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std::cout << "CMake is re-running because generate.stamp.list "
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"could not be read.\n";
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return false;
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}
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// Check each stamp.
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std::string stampName;
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while (cmSystemTools::GetLineFromStream(fin, stampName)) {
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if (!cmakeCheckStampFile(stampName)) {
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return false;
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}
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}
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return true;
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}
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} // namespace
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cmDocumentationEntry cmake::CMAKE_STANDARD_OPTIONS_TABLE[18] = {
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{ "-S <path-to-source>", "Explicitly specify a source directory." },
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{ "-B <path-to-build>", "Explicitly specify a build directory." },
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@@ -3298,98 +3387,6 @@ int cmake::GetSystemInformation(std::vector<std::string>& args)
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return 0;
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}
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static bool cmakeCheckStampFile(const std::string& stampName)
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{
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// The stamp file does not exist. Use the stamp dependencies to
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// determine whether it is really out of date. This works in
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// conjunction with cmLocalVisualStudio7Generator to avoid
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// repeatedly re-running CMake when the user rebuilds the entire
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// solution.
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std::string stampDepends = cmStrCat(stampName, ".depend");
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#if defined(_WIN32) || defined(__CYGWIN__)
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cmsys::ifstream fin(stampDepends.c_str(), std::ios::in | std::ios::binary);
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#else
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cmsys::ifstream fin(stampDepends.c_str());
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#endif
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if (!fin) {
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// The stamp dependencies file cannot be read. Just assume the
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// build system is really out of date.
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std::cout << "CMake is re-running because " << stampName
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<< " dependency file is missing.\n";
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return false;
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}
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// Compare the stamp dependencies against the dependency file itself.
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{
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cmFileTimeCache ftc;
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std::string dep;
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while (cmSystemTools::GetLineFromStream(fin, dep)) {
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int result;
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if (!dep.empty() && dep[0] != '#' &&
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(!ftc.Compare(stampDepends, dep, &result) || result < 0)) {
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// The stamp depends file is older than this dependency. The
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// build system is really out of date.
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/* clang-format off */
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std::cout << "CMake is re-running because " << stampName
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<< " is out-of-date.\n"
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" the file '" << dep << "'\n"
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" is newer than '" << stampDepends << "'\n"
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" result='" << result << "'\n";
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/* clang-format on */
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return false;
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}
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}
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}
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// The build system is up to date. The stamp file has been removed
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// by the VS IDE due to a "rebuild" request. Restore it atomically.
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std::ostringstream stampTempStream;
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stampTempStream << stampName << ".tmp" << cmSystemTools::RandomSeed();
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std::string stampTemp = stampTempStream.str();
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{
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// TODO: Teach cmGeneratedFileStream to use a random temp file (with
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// multiple tries in unlikely case of conflict) and use that here.
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cmsys::ofstream stamp(stampTemp.c_str());
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stamp << "# CMake generation timestamp file for this directory.\n";
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}
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std::string err;
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if (cmSystemTools::RenameFile(stampTemp, stampName,
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cmSystemTools::Replace::Yes, &err) ==
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cmSystemTools::RenameResult::Success) {
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// CMake does not need to re-run because the stamp file is up-to-date.
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return true;
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}
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cmSystemTools::RemoveFile(stampTemp);
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cmSystemTools::Error(
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cmStrCat("Cannot restore timestamp \"", stampName, "\": ", err));
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return false;
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}
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static bool cmakeCheckStampList(const std::string& stampList)
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{
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// If the stamp list does not exist CMake must rerun to generate it.
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if (!cmSystemTools::FileExists(stampList)) {
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std::cout << "CMake is re-running because generate.stamp.list "
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"is missing.\n";
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return false;
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}
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cmsys::ifstream fin(stampList.c_str());
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if (!fin) {
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std::cout << "CMake is re-running because generate.stamp.list "
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"could not be read.\n";
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return false;
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}
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// Check each stamp.
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std::string stampName;
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while (cmSystemTools::GetLineFromStream(fin, stampName)) {
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if (!cmakeCheckStampFile(stampName)) {
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return false;
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}
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}
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return true;
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}
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void cmake::IssueMessage(MessageType t, std::string const& text,
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cmListFileBacktrace const& backtrace) const
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{
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