See http://gcc.gnu.org/PR12009

Fixes the following problems when testing a cross-compiler:

============================================

Testing g++.dg/compat/abi/bitfield1,

...

Invoking the compiler as /crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-gli

bc-2.2.5/build-gcc/gcc/testsuite/../g++  ...

/crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-glibc-2.2.5/gcc-3.3/gcc/test

suite/g++.dg/compat/abi/bitfield1_main.C

pid is 16028 -16028

compiler exited with status 1

output is:

sh: error while loading shared libraries: /opt/cegl-2.0/powerpc-750-linux-gnu/gc

c-3.3-glibc-2.2.5/powerpc-750-linux-gnu/./lib/libdl.so.2: ELF file data encoding

 not little-endian

/crosstool-0.12/build/powerpc-750-linux-gnu/gcc-3.3-glibc-2.2.5/build-gcc/gcc/te

stsuite/../g++: error while loading shared libraries: /opt/cegl-2.0/powerpc-750-

linux-gnu/gcc-3.3-glibc-2.2.5/powerpc-750-linux-gnu/./lib/libc.so.6: ELF file da

ta encoding not little-endian

FAIL: g++.dg/compat/abi/bitfield1 main_tst.o compile

============================================

and

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

--- gcc-3.3/gcc/testsuite/g++.dg/compat/compat.exp.old	Thu Oct 17 17:22:57 2002

+++ gcc-3.3/gcc/testsuite/g++.dg/compat/compat.exp	Mon Jul 14 10:59:19 2003

@@ -42,11 +42,13 @@

 proc compat-fix-library-path { } {

     global ld_library_path

-    # See comments in lib/g++.exp for why this is needed.

-    setenv  LD_LIBRARY_PATH     $ld_library_path

-    setenv  SHLIB_PATH          $ld_library_path

-    setenv  LD_LIBRARYN32_PATH  $ld_library_path

-    setenv  LD_LIBRARY64_PATH   $ld_library_path

+    if {![is_remote target]} {

+	# See comments in lib/g++.exp for why this is needed.

+	setenv  LD_LIBRARY_PATH     $ld_library_path

+	setenv  SHLIB_PATH          $ld_library_path

+	setenv  LD_LIBRARYN32_PATH  $ld_library_path

+	setenv  LD_LIBRARY64_PATH   $ld_library_path

+    }

 }

 #

--- gcc-3.4-20030813/gcc/testsuite/lib/g++.exp.orig	Tue Jun 17 18:56:45 2003

+++ gcc-3.4-20030813/gcc/testsuite/lib/g++.exp	Sun Aug 17 18:35:38 2003

@@ -166,16 +182,20 @@

       }

     }

-    # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but

-    # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH

-    # (for the 64-bit ABI).  The right way to do this would be to modify

-    # unix.exp -- but that's not an option since it's part of DejaGNU

-    # proper, so we do it here.  We really only need to do 

-    # this on IRIX, but it shouldn't hurt to do it anywhere else.

-    setenv  LD_LIBRARY_PATH     $ld_library_path

-    setenv  SHLIB_PATH          $ld_library_path

-    setenv  LD_LIBRARYN32_PATH  $ld_library_path

-    setenv  LD_LIBRARY64_PATH   $ld_library_path

+    if {![is_remote target]} {

+      # On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but

+      # called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH

+      # (for the 64-bit ABI).  The right way to do this would be to modify

+      # unix.exp -- but that's not an option since it's part of DejaGNU

+      # proper, so we do it here.  We really only need to do 

+      # this on IRIX, but it shouldn't hurt to do it anywhere else.

+

+      # Doing this causes us to be unable to run cross-compilers.

+      setenv  LD_LIBRARY_PATH     $ld_library_path

+      setenv  SHLIB_PATH          $ld_library_path

+      setenv  LD_LIBRARYN32_PATH  $ld_library_path

+      setenv  LD_LIBRARY64_PATH   $ld_library_path

+    }

     return "$flags"

 }