Crosscompiler: gcc 3.1 on linux for sparc + buildscript

[Corrado Giacomini]

I have build a gcc3.1 cross compiler  for sparc solaris but I have some 
concerns about the way I am build the compiler..
Basically the script can create a cross compile using gcc-3.0.4 or 
gcc-3.1 distribution plus binutils-2.12.tar.

Here are my concerns:

When using gcc-3.0.4 I need to patch the distributed 
gcc-3.0.4/libstdc++-v3/configure.in file in order to pickup the right 
bits headers file
see previous posting on this mailing list 
http://sources.redhat.com/ml/crossgcc/2002-q2/msg00077.html).
I am pretty sure here in what I am doing, so no problem..

When using gcc-3.1 I have a similar patch to apply to 
gcc-3.1/libstdc++-v3/configure.in file but this time the patch will 
also  switch off
these line from configure.in

      AC_DEFINE(HAVE_ACOSF)
      AC_DEFINE(HAVE_ASINF)
      AC_DEFINE(HAVE_ATAN2F)
      AC_DEFINE(HAVE_ATANF)
      AC_DEFINE(HAVE_CEILF)
      AC_DEFINE(HAVE_COPYSIGN)
      AC_DEFINE(HAVE_COPYSIGNF)
      AC_DEFINE(HAVE_COSF)
      AC_DEFINE(HAVE_COSHF)
      AC_DEFINE(HAVE_EXPF)
      AC_DEFINE(HAVE_FABSF)
      AC_DEFINE(HAVE_FINITE)
      AC_DEFINE(HAVE_FINITEF)
      AC_DEFINE(HAVE_FLOORF)
      AC_DEFINE(HAVE_FMODF)
      AC_DEFINE(HAVE_FREXPF)
      AC_DEFINE(HAVE_ISINF)
      AC_DEFINE(HAVE_ISINFF)
      AC_DEFINE(HAVE_ISNAN)
      AC_DEFINE(HAVE_ISNANF)
      AC_DEFINE(HAVE_LDEXPF)
      AC_DEFINE(HAVE_LOG10F)
      AC_DEFINE(HAVE_LOGF)
      AC_DEFINE(HAVE_MODFF)
      AC_DEFINE(HAVE_POWF)
      AC_DEFINE(HAVE_SINF)
      AC_DEFINE(HAVE_SINHF)
      AC_DEFINE(HAVE_SQRTF)
      AC_DEFINE(HAVE_TANF)
      AC_DEFINE(HAVE_TANHF)

If I don't do that I will fall into compilation errors like those posted 
in message (http://sources.redhat.com/ml/crossgcc/2002-q2/msg00351.html)
can somebody tell me if is acceptable to patch the configure.in file in 
this way ?

-Corrado

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