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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2001-11-28 14:15:25 +0000 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-11-28 14:15:25 +0000 |
| commit | eb782340ac189f87a9572b63a1fcb9dd8bc50473 (patch) | |
| tree | ca74f5fa388ddfdd215d391ea403b889d018aa9c /hints | |
| parent | 34babc168865edbd6963528152c3c3b68680b55f (diff) | |
| download | perl-eb782340ac189f87a9572b63a1fcb9dd8bc50473.tar.gz | |
In Linux if we have modern enough gcc and supported
enough CPU, crank up the optimization level to -O3.
p4raw-id: //depot/perl@13342
Diffstat (limited to 'hints')
| -rw-r--r-- | hints/linux.sh | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/hints/linux.sh b/hints/linux.sh index bbd88be00a..9837ee8031 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -97,7 +97,19 @@ case "$usemymalloc" in esac case "$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 <kjahds@kjahds.com> |