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clang-tidy: Fix explicit --driver-mode= argument

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Since commit f6f4eb0907 (clang-tidy: Add driver mode argument,
2020-01-19) the `clang-tidy` tool rejects the new option:

    Unknown command line argument '--driver-mode=g++'.

This is because we are adding the flag before the main compiler
command-line.  Encode it with `--extra-arg-before=` so that `clang-tidy`
knows it is supposed to be part of the compiler command.

Suggested-by: Hanjiang Yu
This commit is contained in:
Brad King
2020-01-31 08:59:02 -05:00
parent 193352e420
commit 3aea865801
2 changed files with 2 additions and 2 deletions
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2
Source/cmMakefileTargetGenerator.cxx
View File

@@ -788,7 +788,7 @@ void cmMakefileTargetGenerator::WriteObjectRuleFiles(
driverMode = lang == "C" ? "gcc" : "g++";
}
run_iwyu += this->LocalGenerator->EscapeForShell(
cmStrCat(tidy, ";--driver-mode=", driverMode));
cmStrCat(tidy, ";--extra-arg-before=--driver-mode=", driverMode));
}
if (cpplint && *cpplint) {
run_iwyu += " --cpplint=";

2
Source/cmNinjaTargetGenerator.cxx
View File

@@ -767,7 +767,7 @@ void cmNinjaTargetGenerator::WriteCompileRule(const std::string& lang,
driverMode = lang == "C" ? "gcc" : "g++";
}
run_iwyu += this->GetLocalGenerator()->EscapeForShell(
cmStrCat(tidy, ";--driver-mode=", driverMode));
cmStrCat(tidy, ";--extra-arg-before=--driver-mode=", driverMode));
}
if (cpplint && *cpplint) {
run_iwyu += " --cpplint=";