On Sun, Sep 19, 2010 at 09:37:59PM +0900, Hitoshi NAKAMORI wrote: > HI all, > I run "make obj" and try to make cross-tools again. > > looks a variable errors are caused same factor. > every target failed in generating _muldi3.o from libgcc2.c. > > for example, in sparc64 target, last command which cause error occured > is follow. > [snip] > > I added -v option for cc, and run above command. > output is follow. > --- > Using built-in specs. > Target: sparc64-unknown-openbsd4.8 > Configured with: OpenBSD/sparc64 system compiler > Thread model: posix > gcc version 4.2.1 20070719 > /usr/src/gnu/usr.bin/cc/libgcc/obj.i386.sparc64/../cc1/cc1 -quiet -v > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/include > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/gcc/config > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/gcc -I. > -I/usr/src/gnu/usr.bin/cc/libgcc/../cc_tools > -I/usr/src/gnu/usr.bin/cc/libgcc/obj.i386.sparc64/../cc_tools > -I/usr/src/gnu/usr.bin/cc/libgcc/../cc_tools > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/gcc > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/gcc/config > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/include > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/libcpp/include > -I/usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/libdecnumber -iprefix > /usr/cross/sparc64/usr/obj/gnu/usr.bin/cc/cc/../lib/gcc-lib/sparc64-unknown-openbsd4.8/4.2.1/ > -D__sparc_v9__ -DIN_GCC -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED > -DHAVE_GTHR_DEFAULT -DIN_GCC -DHAVE_CONFIG_H -DPREFIX="/usr" > -DCROSS_COMPILE -DL_muldi3 > /usr/src/gnu/usr.bin/cc/libgcc/../../../gcc/gcc/libgcc2.c -quiet > -dumpbase libgcc2.c -auxbase-strip _muldi3.o -g -O2 -version -fPIC -o > - | > as -V -s -K PIC -Av9a -64 -o _muldi3.o - > (skip) > ----- > > I found "as" (maybe /usr/bin/as ) called from cross gcc > with target specified option. but he only knows i386, > so return variable "unrecognize option" error. > > In conclusion, all targets of gcc4 it is not possible to create a cross-tools. > >
This appears to be correct. I had tried a couple of archs, however had not realized it is all targets. gcc4 does not have the correct search paths set up for the cross environment. I will look into this again today as I have some time. Dale Rahn dr...@dalerahn.com
