Fix found here: http://www.freelists.org/archives/openbeos/11-2005/msg00090.html

Fixes:

In file included from ./targ-cpu.h:1,

                 from /home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/binutils-2.15/gas/config/obj-elf.h:42,

                 from ./obj-format.h:1,

                 from /home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/binutils-2.15/gas/config/te-linux.h:4,

                 from ./targ-env.h:1,

                 from /home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/binutils-2.15/gas/as.h:626,

                 from /home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/binutils-2.15/gas/app.c:30:

/home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/binutils-2.15/gas/config/tc-i386.h:451: error: array type has incomplete element type

make[3]: *** [app.o] Error 1

make[3]: Leaving directory `/home/dank/crosstool-new/build/i686-unknown-linux-gnu/gcc-2.95.3-glibc-2.2.2/build-binutils/gas'

when building binutils-2.15 with gcc-4.0

diff -ur binutils-2.15.old/gas/as.h binutils-2.15/gas/as.h

--- binutils-2.15.old/gas/as.h	2003-11-22 18:14:21.000000000 -0800

+++ binutils-2.15/gas/as.h	2006-02-14 22:05:35.000000000 -0800

@@ -605,7 +605,26 @@

 struct expressionS;

 struct fix;

 typedef struct symbol symbolS;

-struct relax_type;

+

+/* JF moved this here from as.h under the theory that nobody except MACHINE.c

+   and write.c care about it anyway.  */

+/* [zooey]: the above no longer holds with gcc4, as it keeps bugging about

+            incomplete element types in arrays, if relax_type isn't defined

+            here. So I moved the definition back from tc.h to here. */

+struct relax_type

+{

+  /* Forward reach. Signed number. > 0.  */

+  long rlx_forward;

+  /* Backward reach. Signed number. < 0.  */

+  long rlx_backward;

+

+  /* Bytes length of this address.  */

+  unsigned char rlx_length;

+

+  /* Next longer relax-state.  0 means there is no 'next' relax-state.  */

+  relax_substateT rlx_more;

+};

+

 typedef struct frag fragS;

 #ifdef BFD_ASSEMBLER

diff -ur binutils-2.15.old/gas/tc.h binutils-2.15/gas/tc.h

--- binutils-2.15.old/gas/tc.h	2003-12-03 15:39:38.000000000 -0800

+++ binutils-2.15/gas/tc.h	2006-02-14 22:03:35.000000000 -0800

@@ -24,23 +24,6 @@

 extern const pseudo_typeS md_pseudo_table[];

-/* JF moved this here from as.h under the theory that nobody except MACHINE.c

-   and write.c care about it anyway.  */

-

-struct relax_type

-{

-  /* Forward reach. Signed number. > 0.  */

-  long rlx_forward;

-  /* Backward reach. Signed number. < 0.  */

-  long rlx_backward;

-

-  /* Bytes length of this address.  */

-  unsigned char rlx_length;

-

-  /* Next longer relax-state.  0 means there is no 'next' relax-state.  */

-  relax_substateT rlx_more;

-};

-

 typedef struct relax_type relax_typeS;

 extern const int md_reloc_size;	/* Size of a relocation record */