On 09/19/2012 04:12 PM, Marko Lindqvist wrote: > FWIW my opinion as maintainer of several autoconf-using packages is > that it really should be my decision if -Werror given by user is > passed to configure tests. However, default could be either way - l > just need power to override that. I have at least one test that should > fail if -Werror is going to be used in real software compilation and > the tested thing is giving warnings. Agreed; I will also point out that the suggestion right now is to filter -Werror out of user-passed CFLAGS at compiler-detection time (ie. a one-time filter at AC_PROG_CC, not a per-compiler-run at AC_COMPILE_IFELSE), and therefore the rest of configure is free to (temporarily) re-add it to CFLAGS without that temporary change also being filtered. Then, after all configure checks have run, the user-requested flag will be restored to the CFLAGS passed on to make, along with any entries appended to CFLAGS during the course of configure. -- Eric Blake eblake@xxxxxxxxxx +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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