enabling -O2 with gcc 2.96 and later

[Alexandre Oliva]

On Dec 17, 1999, Phil Edwards <pedwards@jaj.com> wrote:

> My first approach was wonderfully freakin' braindead.

No offense intended, but so is this second attempt, IMHO :-)

How about:

AC_EGREP_CPP([ok], [
#if (__GNUC__ == 2 && __GNUC_MINOR__ > 95) || __GNUC__ > 2
ok
#fi
], [OPTLEVEL='-O2'], [OPTLEVEL=])
AC_SUBST(OPTLEVEL)

-- 
Alexandre Oliva http://www.ic.unicamp.br/~oliva IC-Unicamp, Bra[sz]il
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