no longer enable gcc -O2 by default. -O2 hates backtraces.

agentzh · agentzh · commit cbce5daa057a · 2011-07-13T22:15:36.000+08:00
diff --git a/util/configure b/util/configure
@@ -278,7 +278,7 @@ sub build_resty_opts {
         $opts_line .= " \\\n  --with-debug";
 
     } else {
-        unshift @ngx_cc_opts, '-O2';
+        #unshift @ngx_cc_opts, '-O2';
     }
 
     $opts_line .= " \\\n  --with-cc-opt='@ngx_cc_opts'";

Original file line number	Diff line number	Diff line change
`@@ -278,7 +278,7 @@ sub build_resty_opts {`
`278`	`278`	`$opts_line .= " \\\n --with-debug";`
`279`	`279`
`280`	`280`	`} else {`
`281`		`- unshift @ngx_cc_opts, '-O2';`
	`281`	`+ #unshift @ngx_cc_opts, '-O2';`
`282`	`282`	`}`
`283`	`283`
`284`	`284`	`$opts_line .= " \\\n --with-cc-opt='@ngx_cc_opts'";`