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Hello, I am trying to create a cross compiler from gcc 2.95.2 sources. The cross compiler is to be hosted on a linux x86 (P3 450) PC but I want it to target an embedded system with a Motorola MPC850 (860 for all intents & purposes). I set up the following directories: /usr/local/cross-gcc/src # all source code tar -zxvf unpacked here /usr/local/cross-gcc/target # This is the prefix dir # The following dirs are from where I call configure and make /usr/local/cross-gcc/build/{binutils,gcc,gdb,newlib} Then I built binutils-2.9.5.0.24: cd /usr/local/cross-gcc/src target=powerpc-eabi prefix=/usr/local/cross-gcc/target cd /usr/local/cross-gcc/build/binutils ../../src/binutils-2.9.5.0.24/configure --target=$target --prefix=$prefix -v make all install binutils built just fine. Then I try to build gcc-2.95.2: cd /usr/local/cross-gcc/src/gcc-2.95.2 Following the advice of an article by Bill Gatliff on www.embedded.com I did this: rm -rf libf2c ln -s ../newlib-1.8.2/newlib newlib Then off to my build dir: cd /usr/local/cross-gcc/build/gcc ../../src/gcc-2.95.2/configure --target=$target --prefix=$prefix --with-newlib \ --with-headers=/usr/local/cross-gcc/src/newlib-1.8.2/newlib/libc/include \ --with-cpu=860 -v make cross LANGUAGES="c c++" install It then spits out build rules an bits of shell script for about 5 to 6 minutes before stopping with the following final few lines of output:- ----------------------output begins----------------------------- masses of output deleted for name in _muldi3 _divdi3 _moddi3 _udivdi3 _umoddi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _ffsdi2 _udiv_w_sdiv _udivmoddi4 _cmpdi2 _ucmpdi2 _floatdidf _floatdisf _fixunsdfsi _fixunssfsi _fixunsdfdi _fixdfdi _fixunssfdi _fixsfdi _fixxfdi _fixunsxfdi _floatdixf _fixunsxfsi _fixtfdi _fixunstfdi _floatditf __gcc_bcmp _varargs __dummy _eprintf _bb _shtab _clear_cache _trampoline __main _exit _ctors _pure; \ do \ echo ${name}; \ /usr/local/cross-gcc/build/gcc/gcc/xgcc -B/usr/local/cross-gcc/build/gcc/gcc/ -B--with-newlib/powerpc-eabi/bin/ -I--with-newlib/powerpc-eabi/include -O2 -DCROSS_COMPILE -DIN_GCC -DHAIFA -g -O2 -I./include -g1 -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -mstrict-align -I. -I../../../src/gcc-2.95.2/gcc -I../../../src/gcc-2.95.2/gcc/config -I../../../src/gcc-2.95.2/gcc/../include -c -DL${name} \ ../../../src/gcc-2.95.2/gcc/libgcc2.c -o ${name}.o; \ if [ $? -eq 0 ] ; then true; else exit 1; fi; \ powerpc-eabi-ar rc tmplibgcc2.a ${name}.o; \ rm -f ${name}.o; \ done _muldi3 as: unrecognized option `-ppc' make[3]: *** [libgcc2.a] Error 1 make[3]: Leaving directory `/usr/local/cross-gcc/build/gcc/gcc' make[2]: *** [stmp-multilib-sub] Error 2 make[2]: Leaving directory `/usr/local/cross-gcc/build/gcc/gcc' make[1]: *** [stmp-multilib] Error 1 make[1]: Leaving directory `/usr/local/cross-gcc/build/gcc/gcc' make: *** [cross] Error 2 ----------------------output ends----------------------------- It seems like gas is called with an invalid option but I've been wondering whether it's barfing on one of the input files with -ppc in its name. I don't know though, hence this email. :-) The only thing extra that I can think to mention is that my operating system is RedHat Linux version 6.1 and my native GCC is version 2.91.66. I apologise for the length of this problem description but I thought it necessary to give as complete a picture as possible in order to get the best possible help. I have also examined the crossGCC FAQ as well as the GCC manual & installation instructions. I have also search through some mail archives but haven't found anything that has been of any help (yet). I would really appreciate some help to get my cross compiler built. Please send responses to jgl@one.net.au I am using hotmail in an attempt to bypass the mail servers spam protection. cheers & thanks in advance, Jeff ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com
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