Date: Thu, 30 Jun 2005 17:49:43 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Martin Cracauer <cracauer@cons.org> Cc: ports@freebsd.org Subject: Re: Problem with mingw port, obeys $(CPUTYPE) but shouldn't Message-ID: <20050630214943.GA45010@xor.obsecurity.org> In-Reply-To: <20050630174246.A73270@cons.org> References: <20050630174246.A73270@cons.org>
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--J2SCkAp4GZ/dPZZf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 30, 2005 at 05:42:46PM -0400, Martin Cracauer wrote: > The mingw port seems to inherit CPU-specific settings from > /etc/make.conf which it shouldn't. It uses an older version of gcc > which is bound not to understand the fancy tuning from the CPU type. >=20 > I have > CPUTYPE=3Dpentium-m > in my /etc/make.conf >=20 > and I get >=20 > /mnt/part2/usr/ports/devel/mingw-gcc/work/gcc-2.95.3-20010828/gcc/xgcc -B= /mnt/part2/usr/ports/devel/mingw-gcc/work/gcc-2.95.3-20010828/gcc/ -B/usr/l= ocal/i386-mingw32msvc/bin/ -I/usr/local/i386-mingw32msvc/include -DCROSS_CO= MPILE -DIN_GCC -O2 -fno-strict-aliasing -pipe -march=3Dpentium-m -I./in= clude -DCYGWIN_CROSS_DIR=3D\"/usr/local/i386-mingw32msvc\" -I. -I. -I./c= onfig -I./../include \ > -aux-info SYSCALLS.c.X -S -o tmp-SYSCALLS.s SYSCALLS.c > cc1: bad value (pentium-m) for -march=3D switch > gmake[1]: *** [SYSCALLS.c.X] Error 1 > gmake[1]: Leaving directory `/mnt/part2/usr/ports/devel/mingw-gcc/work/gc= c-2.95.3-20010828/gcc' > gmake: *** [all-gcc] Error 2 >=20 >=20 > I think ports like this which use older gcc versions need to kill the > additional CFLAGS from the CPUTYPE definition. >=20 > Commenting out CPUTYPE from /etc/make.conf makes the build work. >=20 >=20 > There is an option NO_CPU_CFLAGS in bsd.cpu.mk which is exactly what > we want. But since bsd.cpu.mk is invoked before the port's Makefile > is parsed we cannot flip this switch on. Afterwards it is too late > since $(CFLAGS) has already been "infected" and you can't tell > CPU-specific settings from other settings in that one variable. There's a bsd.port.mk option (WITHOUT_CPU_CFLAGS or something) that sanitizes the CFLAGS to prevent old compiler ports from breaking in this way. Kris --J2SCkAp4GZ/dPZZf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCxGj3Wry0BWjoQKURAqpiAJ9yyMTKG4OYUYAX5Z3OoINxPYzwMACfSB9S Jamob6N4gxl2FHJuyA800Vg= =rY8d -----END PGP SIGNATURE----- --J2SCkAp4GZ/dPZZf--
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