[LLVMbugs] [Bug 22913] New: Libclang not recognizing -Wno-unused-command-line-argument

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=22913

            Bug ID: 22913
           Summary: Libclang not recognizing
                    -Wno-unused-command-line-argument
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: libclang
          Assignee: unassignedclangbugs at nondot.org
          Reporter: peetlugen19 at yandex.com
                CC: klimek at google.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Basically libclang is ignoring the "-Wno-unused-command-line-argument"
commandline switch. When using "-Wno-unused-command-line-argument" with clang
it's not showing warnings anymore...

===============================
clang -std=c++11 -Wall -nostdinc -nostdinc++ -fsyntax-only -I "C:\Program Files
(x86)\Microsoft Visual Studio 12.0\VC\include"
test.cpp
clang.exe: warning: argument unused during compilation: '-nostdinc++'
===============================
clang -std=c++11 -Wall -nostdinc -nostdinc++ -fsyntax-only
-Wno-unused-command-line-argument -I "C:\Program Files (x86)\Microsoft Visual
Studio 12.0\VC\include"
test.cpp
===============================
cflags = CXTranslationUnit_DetailedPreprocessingRecord
        | CXTranslationUnit_CacheCompletionResults
        | CXTranslationUnit_PrecompiledPreamble
        | CXTranslationUnit_Incomplete;

    cargs.push_back("-std=c++11");
    cargs.push_back("-Wall");
    //cargs.push_back("-xc++");
    cargs.push_back("-nostdinc");
    cargs.push_back("-nostdinc++");
    cargs.push_back("-Wno-unused-command-line-argument");

    // VC++ Compiler == Rubbish
    cargs.push_back("-fms-extensions");
    cargs.push_back("-fmsc-version=1800");
    cargs.push_back("-fdelayed-template-parsing");
    cargs.push_back("-ferror-limit=1000");

    cargs.push_back("-IC:\\Program Files (x86)\\Microsoft Visual Studio
12.0\\VC\\include");

    if(clang_parseTranslationUnit2(cindex, filename.c_str(), cargs.data(),
cargs.size(), cunfiles.data(), cunfiles.size(), cflags, &ctu)
        == CXError_Success)

clang_getDiagnostic(ctu, 0); // == warning: argument unused during compilation:
'-nostdinc++'
===============================

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20150315/91cd782a/attachment.html>