I need to build a current mingw environment to verify. Gr can probably answer this off the top of his head.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Sergey Korshunoff Sent: Monday, January 5, 2015 2:08 PM To: [email protected] Subject: Re: [Tinycc-devel] [PATCH] cpu detection Why? A main change of this patch is: if (cpu=x86_64 && sizeof(long)==4) set cpu=x86 What wrong with this on Windows? 2015-01-05 20:08 GMT+03:00, Michael B. Smith <[email protected]>: > I'm pretty sure this breaks Windows support. > > -----Original Message----- > From: [email protected] > [mailto:[email protected] > rg] On Behalf Of Sergey Korshunoff > Sent: Monday, January 5, 2015 11:51 AM > To: Thomas Preud'homme > Cc: [email protected] > Subject: Re: [Tinycc-devel] [PATCH] cpu detection > > cpu detection v2 > * don't setup a cpu before scanning for --cpu= > * if cpu="" then > if ARCH != "" then cpu=$ARCH else cpu=`uname -m` > * if cpu="x86-64" and sizeof(long) = 4 then cpu="x86" > > > 2015-01-04 19:37 GMT+03:00, Sergey Korshunoff <[email protected]>: >> As suggested on another forum, there is a "setarch linux32" command >> for changing ARCH reported by "uname -m". >> >> 2015-01-04 2:45 GMT+03:00, Thomas Preud'homme <[email protected]>: >>> Le mardi 30 décembre 2014, 11:05:15 Sergey Korshunoff a écrit : >>>> Problem: configure in 32bit userspace running on 64bit kernel is >>>> trying to compile tcc for ARCH=x86_64. Expecting behavior: to >>>> configure a tcc for ARCH=x86 >>>> >>>> This patch will allow to specify/configure a target cpu. Examples: >>>> ARCH=x86 ./configure >>>> ARCH=x86_64 ./configure >>>> >>>> If ARCH is not specified then try to detect a current cpu type by >>>> examining arch of the host_cc. >>> >>> The principle is nice but the code style looks different from the >>> rest and a >>> >>> bit complicated for what it is. Why using a subscript for instance? >>> Why not >>> >>> nesting if? >>> >>> Finally, you could instead of using readelf use a carefully crafted >>> conftest >>> >>> that would give you whether userspace is 32bit of 64bit. The >>> structure would >>> >>> then look like this: >>> >>> if ARCH is defined, then use it >>> else use uname >>> >>> if cpu is x86_64 and conftest gives 32bit, cpu=i386. >>> >>> What do you think? >>> >>> Best regards, >>> >>> Thomas >>> >> > _______________________________________________ > Tinycc-devel mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/tinycc-devel > _______________________________________________ Tinycc-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/tinycc-devel _______________________________________________ Tinycc-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/tinycc-devel
