Re: problem building gcc4-4.3.0-20070209

[Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>]

> This seems horribly wrong somehow.  Aren't we intested in the ${build}
> -> ${host} compiler at this point anyway?  So shouldn't we be testing
> it?  I think the whole block can go.

Hmm, it says indeed "this is going to change when we autoconfiscate". 
Something like this?

Index: configure.ac
===================================================================
*** configure.ac        (revision 121762)
--- configure.ac        (working copy)
*************** if test -z "${CC}" && test "${build}" =
*** 1030,1055 ****
  fi

  if test "${build}" != "${host}" ; then
-   # If we are doing a Canadian Cross, in which the host and build systems
-   # are not the same, we set reasonable default values for the tools.
-
-   CC=${CC-${host_noncanonical}-gcc}
-   CFLAGS=${CFLAGS-"-g -O2"}
-   CXX=${CXX-${host_noncanonical}-c++}
-   CXXFLAGS=${CXXFLAGS-"-g -O2"}
    CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
-
  else
!   # Set reasonable default values for some tools even if not Canadian.
!   # Of course, these are different reasonable default values, originally
!   # specified directly in the Makefile.
!   # We don't export, so that autoconf can do its job.
!   # Note that all these settings are above the fragment inclusion point
!   # in Makefile.in, so can still be overridden by fragments.
!   # This is all going to change when we autoconfiscate...
!
    CC_FOR_BUILD="\$(CC)"
!   AC_PROG_CC

    # We must set the default linker to the linker used by gcc for the 
correct
    # operation of libtool.  If LD is not defined and we are using gcc, 
try to
--- 1030,1042 ----
  fi

  if test "${build}" != "${host}" ; then
    CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
  else
!   CFLAGS=${CFLAGS-"-g"}
    CC_FOR_BUILD="\$(CC)"
! fi
!
! AC_PROG_CC

    # We must set the default linker to the linker used by gcc for the 
correct
    # operation of libtool.  If LD is not defined and we are using gcc, 
try to
*************** else
*** 1070,1079 ****
      fi
    fi

!   CXX=${CXX-"c++"}
!   CFLAGS=${CFLAGS-"-g"}
!   CXXFLAGS=${CXXFLAGS-"-g -O2"}
! fi

  ACX_PROG_GNAT
  ACX_PROG_CMP_IGNORE_INITIAL
--- 1057,1063 ----
      fi
    fi

! AC_PROG_CXX

  ACX_PROG_GNAT
  ACX_PROG_CMP_IGNORE_INITIAL