my $extra_cflags = $aug_cflags . ' ' . $libxml2_cflags . ' -Wall -Wformat -Werror=format-security';
my $extra_ldflags = $aug_libs . ' ' . $libxml2_cflags;
$extra_cflags =~ s/mmacosx-version-min=10\.13/mmacosx-version-min=11.0/g;
$extra_ldflags =~ s/mmacosx-version-min=10\.13/mmacosx-version-min=11.0/g;
print "Modified to $extra_cflags\n" ;
print "Modified to $extra_ldflags\n" ;


# insert the above before this:
print "Using $aug_libs and $aug_cflags to compile (Augeas version $aug_version)\n" ;
print "Using $libxml2_libs and $libxml2_cflags to compile (Augeas version $aug_version)\n" ;