yann@1: See http://gcc.gnu.org/PR12009
yann@1: 
yann@1: Fixes the following problems when testing a cross-compiler:
yann@1: 
yann@1: ============================================
yann@1: Testing g++.dg/compat/abi/bitfield1,
yann@1: ...
yann@1: Invoking the compiler as /crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-gli
yann@1: bc-2.2.5/build-gcc/gcc/testsuite/../g++  ...
yann@1: /crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-glibc-2.2.5/gcc-3.3/gcc/test
yann@1: suite/g++.dg/compat/abi/bitfield1_main.C
yann@1: pid is 16028 -16028
yann@1: compiler exited with status 1
yann@1: output is:
yann@1: sh: error while loading shared libraries: /opt/cegl-2.0/powerpc-750-linux-gnu/gc
yann@1: c-3.3-glibc-2.2.5/powerpc-750-linux-gnu/./lib/libdl.so.2: ELF file data encoding
yann@1:  not little-endian
yann@1: /crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-glibc-2.2.5/build-gcc/gcc/te
yann@1: stsuite/../g++: error while loading shared libraries: /opt/cegl-2.0/powerpc-750-
yann@1: linux-gnu/gcc-3.3-glibc-2.2.5/powerpc-750-linux-gnu/./lib/libc.so.6: ELF file da
yann@1: ta encoding not little-endian
yann@1: 
yann@1: FAIL: g++.dg/compat/abi/bitfield1 main_tst.o compile
yann@1: ============================================
yann@1: 
yann@1: and
yann@1: 
yann@1: sh: error while loading shared libraries: /opt/cegl-2.0/powerpc-405-linux-gnu/gcc-3.2.3-glibc-2.2.5/powerpc-405-linux-gnu/./lib/libdl.so.2: ELF file data encoding not little-endian
yann@1: 
yann@1: 
yann@1: 
yann@1: --- gcc-3.3/gcc/testsuite/g++.dg/compat/compat.exp.old	Thu Oct 17 17:22:57 2002
yann@1: +++ gcc-3.3/gcc/testsuite/g++.dg/compat/compat.exp	Mon Jul 14 10:59:19 2003
yann@1: @@ -42,11 +42,13 @@
yann@1:  proc compat-fix-library-path { } {
yann@1:      global ld_library_path
yann@1:  
yann@1: -    # See comments in lib/g++.exp for why this is needed.
yann@1: -    setenv  LD_LIBRARY_PATH     $ld_library_path
yann@1: -    setenv  SHLIB_PATH          $ld_library_path
yann@1: -    setenv  LD_LIBRARYN32_PATH  $ld_library_path
yann@1: -    setenv  LD_LIBRARY64_PATH   $ld_library_path
yann@1: +    if {![is_remote target]} {
yann@1: +	# See comments in lib/g++.exp for why this is needed.
yann@1: +	setenv  LD_LIBRARY_PATH     $ld_library_path
yann@1: +	setenv  SHLIB_PATH          $ld_library_path
yann@1: +	setenv  LD_LIBRARYN32_PATH  $ld_library_path
yann@1: +	setenv  LD_LIBRARY64_PATH   $ld_library_path
yann@1: +    }
yann@1:  }
yann@1:  
yann@1:  #
yann@1: --- gcc-3.4-20030813/gcc/testsuite/lib/g++.exp.orig	Tue Jun 17 18:56:45 2003
yann@1: +++ gcc-3.4-20030813/gcc/testsuite/lib/g++.exp	Sun Aug 17 18:35:38 2003
yann@1: @@ -166,16 +182,20 @@
yann@1:        }
yann@1:      }
yann@1:  
yann@1: -    # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
yann@1: -    # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
yann@1: -    # (for the 64-bit ABI).  The right way to do this would be to modify
yann@1: -    # unix.exp -- but that's not an option since it's part of DejaGNU
yann@1: -    # proper, so we do it here.  We really only need to do 
yann@1: -    # this on IRIX, but it shouldn't hurt to do it anywhere else.
yann@1: -    setenv  LD_LIBRARY_PATH     $ld_library_path
yann@1: -    setenv  SHLIB_PATH          $ld_library_path
yann@1: -    setenv  LD_LIBRARYN32_PATH  $ld_library_path
yann@1: -    setenv  LD_LIBRARY64_PATH   $ld_library_path
yann@1: +    if {![is_remote target]} {
yann@1: +      # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
yann@1: +      # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
yann@1: +      # (for the 64-bit ABI).  The right way to do this would be to modify
yann@1: +      # unix.exp -- but that's not an option since it's part of DejaGNU
yann@1: +      # proper, so we do it here.  We really only need to do 
yann@1: +      # this on IRIX, but it shouldn't hurt to do it anywhere else.
yann@1: +
yann@1: +      # Doing this causes us to be unable to run cross-compilers.
yann@1: +      setenv  LD_LIBRARY_PATH     $ld_library_path
yann@1: +      setenv  SHLIB_PATH          $ld_library_path
yann@1: +      setenv  LD_LIBRARYN32_PATH  $ld_library_path
yann@1: +      setenv  LD_LIBRARY64_PATH   $ld_library_path
yann@1: +    }
yann@1:  
yann@1:      return "$flags"
yann@1:  }