RE: Newbie can't build linux cross-compiler for solaris

[David Thompson <David dot Thompson at efi dot com>]

Title: RE: Newbie can't build linux cross-compiler for solaris

Hi Jim, but I need the header files from the target platform,
right?  Isn't this how --with-headers is used?  In my case,
building on Solaris, I need --with-headers to point to a
path where I've copied the Linux headers ... right ??

> -----Original Message-----
> From: Jim Tison [mailto:jtison@ntplx.net]
> Sent: Thursday, August 30, 2001 4:15 PM
> To: 'crossgcc'
> Subject: Re: Newbie can't build linux cross-compiler for solaris
>
>
> I ran into the same thing at the same place for another
> target. What fixed it
> for me was using the --with-headers= switch in ./configure.
> This needs to
> point to the system headers. In your case (you'll be running
> this compiler
> with the Sun libs, I take it....) you can probably just get away with
> pointing --with-headers to /usr/include (or is that
> /usr/ccb/include? Heck,
> I've forgotten... my Solaris experience is so dated!).
>
> You will need to reconfigure and restart your build. It might
> be smart to
> make clean, too.
>
> Peace,
> --Jim--
>
> On Thursday 30 August 2001 17:50, David Thompson wrote:
> > Hi there,
> >
> > I am a newbie at building a cross compiler so I'm trying
> > to read everything I can find, but I've failed in all my
> > attempts to build a Linux gcc cross-compiler than runs
> > on Solaris.  Here is my simple script,
> >
> >  #!/bin/ksh
> >  GCC=gcc-2.95.3
> >  BINUTILS=binutils-2.10.1
> >  TARGET=i686-pc-linux-gnu
> >  SRCDIR=/home/davidt/gnu/src/sun
> >  BINDIR=/home/davidt/gnu/bin/sun
> >
> >  cd $SRCDIR
> >  mkdir build-binutils build-gcc
> >
> >  # configure, build and install binutils
> >  cd build-binutils
> >  ../$BINUTILS/configure --target=$TARGET --prefix=$BINDIR -v
> >  make all install
> >
> >  # configure, build and install gcc
> >  cd ../build-gcc
> >  ../$GCC/configure --target=$TARGET --prefix=$BINDIR -v
> >  make all install
> >
> > I have untarred the packages into /home/davidt/gnu/bin/sun,
> > and binutils builds fine.  The error I get is from building
> > gcc, here is the [slightly formatted] error output,
> >
> >  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 ${name}; \
> >     /home/davidt/gnu/src/sun/build-gcc/gcc/xgcc \
> >      -B/home/davidt/gnu/src/sun/build-gcc/gcc/ \
> >      -B/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/bin/ \
> >      -I/home/davidt/gnu/bin/sun/i686-pc-linux-gnu/include -O2  \
> >      -DCROSS_COMPILE -DIN_GCC   -DSVR4  -g -O2 -I./include  \
> >      -fPIC -g1  -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED \
> >      -I. -I../../gcc-2.95.3/gcc -I../../gcc-2.95.3/gcc/config \
> >      -I../../gcc-2.95.3/gcc/../include -c -DL${name} \
> >      ../../gcc-2.95.3/gcc/libgcc2.c -o ${name}.o; \
> >    if [ $? -eq 0 ] ; then true; else exit 1; fi; \
> >    i686-pc-linux-gnu-ar rc tmplibgcc2.a ${name}.o; \
> >    rm -f ${name}.o; \
> >  done
> >  _muldi3
> >  ../../gcc-2.95.3/gcc/libgcc2.c:41: stdlib.h: No such file
> or directory
> >  ../../gcc-2.95.3/gcc/libgcc2.c:42: unistd.h: No such file
> or directory
> >  make[1]: *** [libgcc2.a] Error 1
> >  make[1]: Leaving directory `/home/davidt/gnu/src/sun/build-gcc/gcc'
> >  make: *** [all-gcc] Error 2
> >
> > I don't understand why stdlib.h & unistd.h cannot be found.  I need
> > help, what am I doing wrong?  Any advice or URLs that would help me
> > (the above script is from http://www.objsw.com/CrossGCC) would be
> > extremely appreciated.
>
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