On Wed, Dec 4, 2024 at 11:10 AM Andreas Schwab <sch...@suse.de> wrote: > > PR bootstrap/117893 > * configure.ac: Use shell loop to remove -O flags. > * configure: Regenerate.
OK. Richard. > diff --git a/gcc/configure.ac b/gcc/configure.ac > index e9bddc6db21..ed8d9596668 100644 > --- a/gcc/configure.ac > +++ b/gcc/configure.ac > @@ -463,12 +463,28 @@ ACX_PROG_GDC([-I"$srcdir"/d]) > # Do configure tests with the C++ compiler, since that's what we build with. > AC_LANG(C++) > > -# Remove the -O2: for historical reasons, unless bootstrapping we prefer > +# Remove all -O flags: for historical reasons, unless bootstrapping we prefer > # optimizations to be activated explicitly by the toplevel. > case "$CC" in > */prev-gcc/xgcc*) ;; > - *) CFLAGS=`echo "$CFLAGS " | sed -e "s/-Ofast[[ ]]//" -e > "s/-O[[gs]][[ ]]//" -e "s/[[^,]]-O[[0-9]]*[[ ]]//" ` > - CXXFLAGS=`echo "$CXXFLAGS " | sed -e "s/-Ofast[[ ]]//" -e > "s/-O[[gs]][[ ]]//" -e "s/[[^,]]-O[[0-9]]*[[ ]]//" ` ;; > + *) > + new_CFLAGS= > + for flag in $CFLAGS; do > + case $flag in > + -O*) ;; > + *) new_CFLAGS="$new_CFLAGS $flag" ;; > + esac > + done > + CFLAGS=$new_CFLAGS > + new_CXXFLAGS= > + for flag in $CXXFLAGS; do > + case $flag in > + -O*) ;; > + *) new_CXXFLAGS="$new_CXXFLAGS $flag" ;; > + esac > + done > + CXXFLAGS=$new_CXXFLAGS > + ;; > esac > AC_SUBST(CFLAGS) > AC_SUBST(CXXFLAGS) > -- > 2.47.1 > > > -- > Andreas Schwab, SUSE Labs, sch...@suse.de > GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 > "And now for something completely different."
