<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div>This error is coming from the compiler - you are passing a warning flag that the compiler does not support. What version of the compiler are you using?</div><div> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang <span style="font-family: Menlo; font-size: 11px;">--version</span></div><div><br></div><div>Also, I am curious if there is a reason why you tell scan-build to use an older version of clang to analyze your project with --use-analyzer? You could still potentially be using a different version of clang to compile and analyze. If you want them to be the same, use <span style="font-family: Menlo; font-size: 14px;">$clang_path.</span></div><div><br></div><div>Hope this helps,</div><div>Anna.</div><div><div>On Jun 25, 2013, at 4:08 AM, 凌欢 <<a href="mailto:linghuan713@126.com">linghuan713@126.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div style="line-height: 1.7; font-size: 14px; font-family: arial;"><div>hi ,all :</div><div>I used the checker-275 to scan my iOS projects. It reported the following errors:<br><div><strong>clang: error: unknown warning option '-Wint-conversion'; did you mean '-Wsign-conversion'?clang: error: unknown warning option '-Wenum-conversion'; did you mean '-Wsign-conversion'?</strong></div><div>Is it the bug for this checker ?</div><div>Inclosed file is the scan script and the scan log.<br>Can anyone tell me why the checker throw out the errors ?</div><div>Thanks all.</div><br>BRs</div><div><div>Howard Ling</div><div>*****************************************************</div><div> </div><div>E-mail: <span class="Apple-converted-space"> </span><a href="mailto:linghuan713@126.com">linghuan713@126.com</a></div><div> </div><div>*****************************************************</div></div></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span><span><scan.zip></span><span><scan.sh></span>_______________________________________________<br>cfe-dev mailing list<br><a href="mailto:cfe-dev@cs.uiuc.edu">cfe-dev@cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev">http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev</a></div></blockquote></div><br></body></html>