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RE: Help with Gcc-3.0.3 cross-compile

Thank you all for the great help.

I think this will be the last question, as I think I am getting much closer.

I followed these steps:

I am building inside a RedHat 7.1 root jail.

1-Built and installed binutils 2.11.2 for the host system
2-built and installed gcc-3.1Expiremental for the host system
3-built and installed glibc-2.2.5 for the host system (i686-pc-linux-gnu)
4-Built binutils-2.11.2 for cross-compile --target=ia64-pc-linux-gnu and
installed it in prefix=/home/cross-ia64
5-Built glibc-2.2.5 for cross compile --target=ia64-pc-linux-gnu and
6-Attempted to build gcc for --target=ia64-pc-linux-gnu as follows:
Work is done under /cross-compile (cd /cross-compile)

	mkdir gcc-build
	tar -zvxf gcc-3.1-exp.tar.gz	(done earlier actually)
	cd gcc-build
	../gcc-3.1-exp/configure --target=ia64-pc-linux-gnu
--prefix=/home/cross-ia64 --with-libs=/home/ia64-cross/libs
--with-headers=/home/cross-ia64/include -v
	make all

I get the following error:


Master Tariq@gcc-build#: make
make[1]: Entering directory `/cross-compile/gcc-build/libiberty'
make[2]: Entering directory `/cross-compile/gcc-build/libiberty/testsuite'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/cross-compile/gcc-build/libiberty/testsuite'
make[1]: Leaving directory `/cross-compile/gcc-build/libiberty'
make[1]: Entering directory `/cross-compile/gcc-build/zlib'
true "AR_FLAGS=rc" "CC_FOR_BUILD=gcc" "CFLAGS=-g -O2" "CXXFLAGS=-g -O2"
/cross-compile/gcc-3.1-beta/install-sh -c" "INSTALL_DATA=/bin/sh
/cross-compile/gcc-3.1-beta/install-sh -c -m 644" "INSTALL_PROGRAM=/bin/sh
/cross-compile/gcc-3.1-beta/install-sh -c " "INSTALL_SCRIPT=/bin/sh
/cross-compile/gcc-3.1-beta/install-sh -c" "LDFLAGS=" "LIBCFLAGS=-g -O2"
"MAKEINFO=/cross-compile/gcc-3.1-beta/missing makeinfo  " "PICFLAG="
"PICFLAG_FOR_TARGET=" "SHELL=/bin/sh" "EXPECT=expect" "RUNTEST=runtest"
"RUNTESTFLAGS=" "exec_prefix=/home/cross-ia64/"
"infodir=/home/cross-ia64//info" "libdir=/home/cross-ia64//lib"
"prefix=/home/cross-ia64/" "tooldir=/home/cross-ia64//ia64-pc-linux-gnu"
"AR=ar" "AS=as" "CC=gcc" "CXX=c++" "LD=ld" "LIBCFLAGS=-g -O2" "NM=nm"
"PICFLAG=" "RANLIB=ranlib" "DESTDIR=" DO=all multi-do
make[1]: Leaving directory `/cross-compile/gcc-build/zlib'
make[1]: Entering directory `/cross-compile/gcc-build/gcc'
./gengenrtl -h > tmp-genrtl.h
./gengenrtl: /lib/i686/ version `GCC_3.0' not found (required by
make[1]: *** [s-genrtl] Error 1
make[1]: Leaving directory `/cross-compile/gcc-build/gcc'
make: *** [all-gcc] Error 2
Master Tariq@gcc-build#:


First, are my steps correct and in the correct order?

I would appreciate your help.


-----Original Message-----
From: Alexandre Oliva []
Sent: Saturday, February 09, 2002 6:27 PM
To: Joe Buck
Subject: Re: Help with Gcc-3.0.3 cross-compile

On Feb  9, 2002, Joe Buck <jbuck@synopsys.COM> wrote:

> Jim Wilson writes:
>> This is an assembler error, which means the cross-gcc is probably trying
>> to run the native assembler instead of the cross-assembler. 

> This is such a common error for people trying to do cross-compiles that
> maybe we should think about how to detect the situation automatically,
> perhaps at installation time.  Maybe something as simple as trying to
> build "hello world", looking for cascades of errors from the assembler,
> and if seen spit out some standard blurb.

We already have a program that we link as soon as libgcc is created;
perhaps we could compile and assemble that program before starting to
build libgcc, and print some long error message explaining potential
problems and solutions if the program fails to compile?

Perhaps we could even split the compilation in assembly-generation and
assembling, such as to be able to tell whether the problem is the lack
of target libraries or of an assembler.

Alexandre Oliva   Enjoy Guarana', see
Red Hat GCC Developer                  aoliva@{,}
CS PhD student at IC-Unicamp        oliva@{,}
Free Software Evangelist                Professional serial bug killer

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