> This is not true. GCC always uses the last -O argument, overriding the
> earlier ones. In -v, you'll see they're all passed through to cc1.
> cc1 uses the last value given.
Consider the following:
neal@hurd:~/build/tmpfs (0)$ CFLAGS=-O1 make
set -e; gcc -O -O1 -Wall -g -O3 -I. ...
Thanks
> This is necessary as gcc selects the highest flags thus:
>
> # CFLAGS=-O make
>
> would be overridden by the default value in CFLAGS.
This is not true. GCC always uses the last -O argument, overriding the
earlier ones. In -v, you'll see they're all passed through to cc1.
cc1 uses the
This patch adds a variable, COPTIMIZE, to Makeconf. This allows the
user to easily control the level of optimization for a single file
or a single module. For example:
# cd libdiskfs
# COPTIMIZE= make
would build libdiskfs with minimal optimizations thus not eliminating
variabl
