Cross-compilation (i386 under amd64) is broken

[Eugene Grosbein]

On 06.01.2014 14:50, Eugene Grosbein wrote:
> Hi!
> 
> For long time I was building NanoBSD for i386 using amd64 box with success,
> just adding NANO_ARCH=i386, TARGET=i386 and TARGET_ARCH=i386 to CONF_BUILD flags
> used to create custom make.conf.
> 
> But for recent 9.2-STABLE that seems to be broken:
> 
> --------------------------------------------------------------
>>>> stage 3.1: making dependencies
> --------------------------------------------------------------
> cd /usr/obj/nanobsd.gw//i386.i386/usr/local/src/sys/GW; MAKEOBJDIRPREFIX=/usr/obj/nanobsd.gw//i386.i386  MACHINE_ARCH=i386  MACHINE=i386  CPUTYPE=  _SHLIBDIRPREFIX=/usr/obj/nanobsd.gw//i386.i
> 386/usr/local/src/tmp  _LDSCRIPTROOT=  VERSION="FreeBSD 9.2-STABLE amd64 902504"  INSTALL="sh /usr/local/src/tools/install.sh"  PATH=/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/legacy/us
> r/sbin:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/legacy/usr/bin:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/legacy/usr/games:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/legac
> y/bin:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/usr/sbin:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/usr/bin:/usr/obj/nanobsd.gw//i386.i386/usr/local/src/tmp/usr/games:/sbin:/bin:
> /usr/sbin:/usr/bin COMPILER_TYPE=gcc /usr/obj/nanobsd.gw//usr/local/src/make.amd64/make  -j 3 __MAKE_CONF=/usr/obj/nanobsd.gw//make.conf.build KERNCONFDIR=/home/nanobsd/gw KERNCONF=GW -m /usr
> /local/src/share/mk TARGET=i386 TARGET_ARCH=i386  KERNEL=kernel depend -DNO_MODULES_OBJ
> machine -> /usr/local/src/sys/i386/include
> x86 -> /usr/local/src/sys/x86/include
> awk -f /usr/local/src/sys/tools/vnode_if.awk /usr/local/src/sys/kern/vnode_if.src -p
> awk -f /usr/local/src/sys/tools/vnode_if.awk /usr/local/src/sys/kern/vnode_if.src -q
> cc -O -pipe -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -Wmissing-include-dirs -fdiagnostics-show-option -nostdinc -I. -I/usr/local/src/sys -I/usr/local/src/sys/contrib/altq -I/usr/local/src/sys/contrib/ipfilter -I/usr/local/src/sys/contrib/pf -I/usr/local/src/sys/dev/ath -I/usr/local/src/sys/dev/ath/ath_hal -I/usr/local/src/sys/contrib/ngatm -I/usr/local/src/sys/dev/twa -I/usr/local/src/sys/gnu/fs/xfs/FreeBSD -I/usr/local/src/sys/gnu/fs/xfs/FreeBSD/support -I/usr/local/src/sys/gnu/fs/xfs -I/usr/local/src/sys/dev/cxgb -I/usr/local/src/sys/dev/cxgbe -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -finline-limit=8000 --param inline-unit-growth=100 --param large-function-growth=1000 -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-mmx -mno-sse -msoft-float -ffreestanding -fstack-protector -c /usr/local/src/sys/i386/linux/li!
 nu!
>  x_genassym
> .c
> awk -f /usr/local/src/sys/tools/miidevs2h.awk /usr/local/src/sys/dev/mii/miidevs
> awk -f /usr/local/src/sys/tools/pccarddevs2h.awk /usr/local/src/sys/dev/pccard/pccarddevs
> /usr/local/src/sys/i386/linux/linux_genassym.c:1: error: -mpreferred-stack-boundary=2 is not between 4 and 12
> *** [linux_genassym.o] Error code 1
> 1 error
> *** [buildkernel] Error code 2
> 1 error
> *** [buildkernel] Error code 2
> 1 error
> 
> It seems, gcc now thinks it builds code for amd64, insisting on long word stack alignment.
> 
> Please help to unbreak this.

It seems, make buildkernel fails in this case if obj directory does not contain
results of make buildworld. The problem is solved running make buildworld
before buildkernel. Sorry for noise.

Eugene Grosbein