<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">This seems like a good approach.<div class=""><br class=""></div><div class="">-Chris<br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 2, 2020, at 1:32 PM, James Y Knight via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">Replacing the getenv with this ought to be sufficient:</div> volatile int opaque_flag = 0;<br class=""> if (!opaque_flag) return;<br class=""></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Nov 2, 2020 at 4:25 PM Luke Drummond via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Mon Nov 2, 2020 at 7:56 PM GMT, Johannes Doerfert wrote:<br class="">
<br class="">
> Last time I removed the getenv calls, as an Aprils fool joke btw [1],<br class="">
> I ended up with a compiler that was unable to do a stage 2 build, IIRC.<br class="">
><br class="">
> [1] <a href="https://lists.llvm.org/pipermail/llvm-dev/2019-April/131466.html" rel="noreferrer" target="_blank" class="">https://lists.llvm.org/pipermail/llvm-dev/2019-April/131466.html</a><br class="">
><br class="">
Wonderful! When I asked about this internally, a colleague said they were going<br class="">
to create a platform where `getenv` can return `-1`.<br class="">
<br class="">
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