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project: Warn at top-level if cmake_minimum_required wasn't called

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The top-level project() call will now issue an AUTHOR_WARNING if it
wasn't called after cmake_minimum_required().

Fixes: #24071
This commit is contained in:
friendlyanon
2022-11-11 16:15:30 +01:00
parent 23f3dd9f7c
commit 59573bf5b9
9 changed files with 30 additions and 2 deletions
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Source/cmProjectCommand.cxx
+9
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@@ -34,6 +34,15 @@ bool cmProjectCommand(std::vector<std::string> const& args,
}
cmMakefile& mf = status.GetMakefile();
if (mf.IsRootMakefile() &&
!mf.GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) {
mf.IssueMessage(
MessageType::AUTHOR_WARNING,
"cmake_minimum_required() should be called prior to this top-level "
"project() call. Please see the cmake-commands(7) manual for usage "
"documentation of both commands.");
}
if (!IncludeByVariable(status, "CMAKE_PROJECT_INCLUDE_BEFORE")) {
return false;
}