Change 13342 by jhi@alpha on 2001/11/28 14:15:25
In Linux if we have modern enough gcc and supported
enough CPU, crank up the optimization level to -O3.
Affected files ...
.... //depot/perl/hints/linux.sh#30 edit
Differences ...
==== //depot/perl/hints/linux.sh#30 (text) ====
Index: perl/hints/linux.sh
--- perl/hints/linux.sh.~1~ Wed Nov 28 07:30:05 2001
+++ perl/hints/linux.sh Wed Nov 28 07:30:05 2001
@@ -97,7 +97,19 @@
esac
case "$optimize" in
-'') optimize='-O2' ;;
+'') # If we have modern enough gcc and well-supported enough CPU,
+ # crank up the optimization level.
+ case "`${cc:-gcc} -v 2>&1`" in
+ *gcc-2.95*|*gcc-3.*)
+ case "`arch 2>&1`" in
+ i?86|ppc) optimize='-O3' ;;
+ esac
+ ;;
+ esac
+ case "$optimize" in
+ '') optimize='-O2' ;;
+ esac
+ ;;
esac
# Are we using ELF? Thanks to Kenneth Albanowski <[EMAIL PROTECTED]>
End of Patch.
