Camm Maguire <c...@maguirefamily.org> writes: | Gabriel Dos Reis <g...@cs.tamu.edu> writes: | | > Camm Maguire <c...@maguirefamily.org> writes: | > | > | Greetings! | > | | > | Gabriel Dos Reis <g...@cs.tamu.edu> writes: | > | | > | > Donald Winiecki <dwinie...@boisestate.edu> writes: | > | > | > | > [...] | > | > | > | > | checking build system type... i686-pc-mingw32 | > | > | checking host system type... i686-pc-mingw32 | > | > | host=i686-pc-mingw32 | > | > | The host is canonicalised to i386-pc-mingw32 | > | > | > | > Hi Camm, | > | > | > | > I have been wondering why GCL deliberately recategorizes a | > | > i686-pc-mingw32 host as a i386-pc-mingw32 host? Later on, it uses that | > | > to configure GMP, which might lead to suboptimal code selection on a | > | > host with greater capabilities.. | > | > | > | | > | This was put in by Mike Thomas a long time ago, and arguably should be | > | removed. He ran into a situation where he tried to move the binary | > | from one machine to another and got an Illegal instruction fault. gmp | > | is built in (i.e. not a shared library) on these systems. He put in a | > | configure switch --enable/--disable-common-binary governing this. | > | > Indeed, I think we can/should remove that now. | | So in other words, no one moves windows binaries across machines | anymore?
I think people are still moving binaries around. However, I don't think i368 is the common denominators of modern machines running Windows. The `system requirements' of OS supported by MS are such that, if your machine can only run i386 coes, then you are already out of luck. I would be surprised if that is the case of the vast majority of GCL users. | > | Even when this is disabled, host=mingw32 defaults to i386. One can do | > | --host=i686-pc-mingw32 to get a higher capability build if desired. | > | This is of course cross compiling so no cpu detection is pertinent. | > | On a separate front, am a little puzzled why --build fails in place of | > | --host. | > | > That is puzzling, because `--host' is supposed to default to `--build'. | > I think it would be welcome to remove the `recanonalization' to i386. | > | | OK, I'll look into this. With the cross toolchain I set up on my x86_64 running openSUSE-11.2, I am able to configure and build, install and use vanilla GMP-4.3.x. -- Gaby _______________________________________________ Gcl-devel mailing list Gcl-devel@gnu.org http://lists.gnu.org/mailman/listinfo/gcl-devel
