<html><body bgcolor="#FFFFFF"><div><br></div><div>On Nov 5, 2008, at 10:22 PM, Nikita Zhuk <<a href="mailto:nikita@zhuk.fi">nikita@zhuk.fi</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><br><div><div>On 6.11.2008, at 3.04, Ted Kremenek wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>All environment variables that xcodebuild sets should be observable by the clang process. Using getenv() within your analysis code should be a portable solution for accessing those values. Does that not work?<br></div></blockquote></div><br><div>It doesn't seem to work, or I'm doing something wrong :). For example, the following line, when inserted into static analyzer, prints "TARGET_NAME env variable is set: 0":</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; color: rgb(196, 26, 22); "><span style="color: #2e0d6e">fprintf</span><span style="color: #000000">(</span><span style="color: #643820">stderr</span><span style="color: #000000">, </span>"TARGET_NAME env variable is set: %d\n"<span style="color: #000000">, <span style="color: #2e0d6e">getenv</span>(<span style="color: #c41a16">"TARGET_NAME"</span>) != <span style="color: #aa0d91">NULL</span>);</span></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><br></span></font></div><div>Although xcodebuild does set the TARGET_NAME when compiling (I dump all env variables from xcodebuild with a Run Script Phase).</div></div></div></blockquote><div><br></div><div>It's entirely possible that xcodebuild only sets these environment variables for child processes that execute during the Run Script Phase, and not when the compiler is invoked. I honestly don't know.</div><br><blockquote type="cite"><div><div><div> The only env variables related to compiling I see from the clang process are CCC_ANALYZER_ANALYSIS, LDPLUSPLUS, CCC_ANALYZER_HTML, CLANG and CC.</div></div></div></blockquote><br><div>These environment variables are set by scan-build, which (when running the analyzer) is a parent process of xcodebuild. This is what makes me suspect that xcodebuild isn't setting any special environment variables when invoking the compiler.</div></body></html>