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-rw-r--r--Source/cmGlobalNinjaGenerator.cxx12
1 files changed, 12 insertions, 0 deletions
diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index b46d85c..b92ad32 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -547,6 +547,18 @@ void cmGlobalNinjaGenerator
// Source/cmake.cxx
void cmGlobalNinjaGenerator::Generate()
{
+ // Check minimum Ninja version.
+ if (cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
+ CurrentNinjaVersion().c_str(),
+ RequiredNinjaVersion().c_str()))
+ {
+ std::ostringstream msg;
+ msg << "The detected version of Ninja (" << this->CurrentNinjaVersion();
+ msg << ") is less than the version of Ninja required by CMake (";
+ msg << this->RequiredNinjaVersion() << ").";
+ this->GetCMakeInstance()->IssueMessage(cmake::FATAL_ERROR, msg.str());
+ return;
+ }
this->OpenBuildFileStream();
this->OpenRulesFileStream();