diff options
Diffstat (limited to 'Source/cmQtAutoGenInitializer.cxx')
| -rw-r--r-- | Source/cmQtAutoGenInitializer.cxx | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Source/cmQtAutoGenInitializer.cxx b/Source/cmQtAutoGenInitializer.cxx index 81752a6..39ac1b4 100644 --- a/Source/cmQtAutoGenInitializer.cxx +++ b/Source/cmQtAutoGenInitializer.cxx @@ -485,6 +485,38 @@ bool cmQtAutoGenInitializer::InitCustomTargets() } } +#ifdef _WIN32 + { + const auto& value = + this->GenTarget->GetProperty("AUTOGEN_COMMAND_LINE_LENGTH_MAX"); + if (value.IsSet()) { + using maxCommandLineLengthType = + decltype(this->AutogenTarget.MaxCommandLineLength); + unsigned long propInt = 0; + if (cmStrToULong(value, &propInt) && propInt > 0 && + propInt <= std::numeric_limits<maxCommandLineLengthType>::max()) { + this->AutogenTarget.MaxCommandLineLength = + static_cast<maxCommandLineLengthType>(propInt); + } else { + // Warn the project author that AUTOGEN_PARALLEL is not valid. + this->Makefile->IssueMessage( + MessageType::AUTHOR_WARNING, + cmStrCat("AUTOGEN_COMMAND_LINE_LENGTH_MAX=\"", *value, + "\" for target \"", this->GenTarget->GetName(), + "\" is not valid. Using no limit for " + "AUTOGEN_COMMAND_LINE_LENGTH_MAX")); + this->AutogenTarget.MaxCommandLineLength = + std::numeric_limits<maxCommandLineLengthType>::max(); + } + } else { + // Actually 32767 (see + // https://devblogs.microsoft.com/oldnewthing/20031210-00/?p=41553) but + // we allow for a small margin + this->AutogenTarget.MaxCommandLineLength = 32000; + } + } +#endif + // Autogen target info and settings files { // Info file @@ -1692,6 +1724,10 @@ bool cmQtAutoGenInitializer::SetupWriteAutogenInfo() // General info.SetBool("MULTI_CONFIG", this->MultiConfig); info.SetUInt("PARALLEL", this->AutogenTarget.Parallel); +#ifdef _WIN32 + info.SetUInt("AUTOGEN_COMMAND_LINE_LENGTH_MAX", + this->AutogenTarget.MaxCommandLineLength); +#endif info.SetUInt("VERBOSITY", this->Verbosity); // Directories |