Newbie can't build linux cross-compiler for solaris

[Jim Tison]

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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