<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hmm. I'm not sure I know what all the implications are to have an opinion.<br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div><br></div></span></span></span></span></span></span></span></span></div></span></div><div><div>On 5 Jan 2009, at 12:23, Jay wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div class="hmmessage" style="font-size: 10pt; font-family: Verdana; ">Sorry, I had a tangent there.<br>The main question was regiarding a library feature, not a compiler issue.<br> <br><br> libm3/src/os/POSIX/OSConfigPosix.m3 <span class="Apple-converted-space"> </span><br> libm3/src/os/POSIX/OSConfig.i3 <span class="Apple-converted-space"> </span><br> libm3/src/os/WIN32/OSConfigWin32.m3 <span class="Apple-converted-space"> </span><br> libm3/src/os/WIN32/OSConfig.i3 <span class="Apple-converted-space"> </span><br> <br>The bulk of this code is never used in the cm3 tree anyway.<br> <br>The tangent was regarding "cm3 -dump-host" or such, though it's more complicated maybe. Some hosts are "biarch" or "multiarch".<br> <br> - Jay<br><br><hr id="stopSpelling"><br>CC:<span class="Apple-converted-space"> </span><a href="mailto:m3devel@elegosoft.com">m3devel@elegosoft.com</a><br>From:<span class="Apple-converted-space"> </span><a href="mailto:hosking@cs.purdue.edu">hosking@cs.purdue.edu</a><br>To:<span class="Apple-converted-space"> </span><a href="mailto:jay.krell@cornell.edu">jay.krell@cornell.edu</a><br>Subject: Re: [M3devel] determing current processor as string<br>Date: Mon, 5 Jan 2009 12:12:56 +1100<br><br><br><div><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><div style="word-wrap: break-word; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><div>As far as I am concerned I think PPC or PowerPC is sufficient, since the gcc-based backend figures out what it needs. Why would the front-ends need to know? Perhaps I am missing your point...</div></span></span></span></span></span></span></span></span></div></span></div><br><div><div>On 5 Jan 2009, at 09:57, Jay wrote:</div><br class="EC_Apple-interchange-newline"><blockquote><span class="EC_Apple-style-span" style="word-spacing: 0px; font: normal normal normal 12px/normal Helvetica; text-transform: none; color: rgb(0, 0, 0); text-indent: 0px; white-space: normal; letter-spacing: normal; border-collapse: separate; "><div class="EC_hmmessage" style="font-size: 10pt; font-family: Verdana; ">Thoughts here?<br><br> <br>Does the processor need to be "friendly" and "precise" including stuff<br>not knowable at compile time (386 vs. 486 vs. 586, etc.),<br>or would just "PowerPC" or "PPC" suffice?<br> <br> <br>This question affects the Posix code.<br> <br> <br>The Posix code tries to fetch some data at runtime from uname, and if that fails<br>it falls back to built in data. Besides that the data is used in an unlikely<br>error path, we bother carrying the data for all systems, which afaik<br>is completely unnecessary. Once I confirm, I'll have Quake generate<br>just what is needed.<br> <br> <br>Similarly, I think cm3 should have -print-host or somesuch.<br>Then the platform probing in sysinfo.sh could probably all go away.<br>(Except for my idea of /cm3/bin/cm3.sh that calls /cm3/bin/target/cm3.)<br> <br> <br>There is more here than just the processor.<br>So some runtime code would remain, even if the processor<br>became hard coded at compile time.<br> <br>You know, there are a few models here:<br> <span class="EC_Apple-converted-space"> </span><br> Use data at runtime asis.<br> e.g. GetEnv("PROCESSOR_ARCHITECTURE") and be done.<br> Does that work on CE?<br> <br> Build-in the data at compile time and be done.<br> This requires possibly a revisit for every port, but simple.<br> It goes obsolete in time, but not quietly, it'd be an error in the Quake code<br> when a new platform is introduced.<br> Or, if the string is just <TARGET> then automatically ports, no revisit.<br> This doesn't have the concern "does it work on CE?" or<br> of Posix vs. Win32 portability.<span class="EC_Apple-converted-space"> </span><br> <br> Use data at runtime to pick among compile time data.<br> This is the current approach and it goes obsolete quietly in time.<br> <br> <br>As well, these functions are never even used that I can see.<br>Remove them?<br>Or assume they might be used outside the cm3 tree?<br> <br>(That's quite a "line" in decision makiing. It's so much nicer<br>to assume/know you have all the relevant code visible and therefore<br>can make any change, provided you fix the client code, vs. having to<br>assume there is "anything" out there.)<br> <br> - Jay<br><br><br>> Date: Fri, 2 Jan 2009 21:22:55 +0000<br>> To: m3commit@<br>> From: jkrell@<br>> Subject: [M3commit] CVS Update: cm3<br>><span class="EC_Apple-converted-space"> </span><br>> CVSROOT: /usr/cvs<br>> Changes by: jkrell@birch. 09/01/02 21:22:55<br>><span class="EC_Apple-converted-space"> </span><br>> Modified files:<br>> cm3/m3-libs/libm3/src/os/WIN32/: OSConfigWin32.m3<span class="EC_Apple-converted-space"> </span><br>><span class="EC_Apple-converted-space"> </span><br>> Log message:<br>> add in some missing architectures, though arguably this should be either GetEnv(PROCESSOR_ARCHITECTURE) (does it work on CE?) or a constant determined at build time; the historical code goes obsolete automatically and quietly<br>><span class="EC_Apple-converted-space"> </span><br><br></div></span></blockquote></div><br></div></span><br class="Apple-interchange-newline"></blockquote></div><br></body></html>