trouble building glibc-2.3.2/gcc-3.4.0/sparc64 with cvs binutils

[H. J. Lu]

On Thu, May 06, 2004 at 07:30:18AM -0500, M.H.VanLeeuwen wrote:
> "M.H.VanLeeuwen" wrote:
> > 
> > Dan Kegel wrote:
> > >
> > > H. J. Lu wrote:
> > > > On Sun, May 02, 2004 at 09:54:03PM -0700, Dan Kegel wrote:
> > > >>.../sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-2.3.2/build-glibc/libc.a(dl-reloc.o)(.text+0x4b4):
> > > >>In function `elf_machine_load_address.3':
> > > >>: undefined reference to `_DYNAMIC'
> > > >>collect2: ld returned 1 exit status
> > > >>make[2]: ***
> > > >>[.../sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-2.3.2/build-glibc/elf/sln]
> > > >>Error 1
> > > >
> > > > Can you try glibc from CVS? I couldn't find how it could wind up in
> > > > dl-reloc.o.
> > >
> > > I just did, and now it fails with
> > >
> > > .../sparc64-unknown-linux-gnu/bin/ld: cannot find -lgcc_eh
> > > collect2: ld returned 1 exit status
> > > make[1]: *** [.../sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-20040501/build-glibc/libc.so] Error 1
> > >
> > > Anyone know why the patch at the end of the thread
> > > http://sources.redhat.com/ml/libc-alpha/2003-09/msg00100.html didn't go in?
> > > I don't know how one bootstraps glibc if it requires -lgcc_eh.
> > 
> > Hi,
> > 
> > I blasted all gcc_eh references from Makeconfig and still get the _DYNAMIC error from glibc CVS tree.
> > 
> > make -C ../posix objdir=/cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc -f Makefile -f ../elf/rtld-Rules rtld-all rtld-modules='rtld-uname.os rtld-_exit.os
> > rtld-getpid.os rtld-environ.os'
> > /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/libc.a(dl-reloc.o)(.text+0x4b4): In function `elf_machine_load_address.3':
> > : undefined reference to `_DYNAMIC'
> > collect2: ld returned 1 exit status
> > make[2]: *** [/cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/elf/sln] Error 1
> > 
> > I'm trying Jakub's suggestion below; if I interpreted correctly,
> > this is what was meant:
> > 
> > --- ./sysdeps/sparc/sparc64/dl-machine.h.orig   Wed May  5 22:26:32 2004
> > +++ ./sysdeps/sparc/sparc64/dl-machine.h        Wed May  5 22:32:26 2004
> > @@ -67,6 +67,7 @@
> > 
> >  /* Return the run-time load address of the shared object.  */
> >  static inline Elf64_Addr
> > +__attribute__((always_inline))
> >  elf_machine_load_address (void)
> >  {
> >    register Elf32_Addr *pc __asm ("%o7");
> > 
> > Will post results of build later.
> 
> Same error:
> 
> sparc64-unknown-linux-gnu-gcc  -nostdlib -nostartfiles -static -o /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/elf/sln  
> /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/csu/crt1.o
> /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/csu/crti.o `sparc64-unknown-linux-gnu-gcc  --print-file-name=crtbegin.o`
> /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/elf/sln.o  /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/libc.a
> -lgcc /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/libc.a `sparc64-unknown-linux-gnu-gcc  --print-file-name=crtend.o`
> /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/csu/crtn.o
> /cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/libc.a(dl-reloc.o)(.text+0x4b4): In function `elf_machine_load_address.3':
> : undefined reference to `_DYNAMIC'
> collect2: ld returned 1 exit status
> make[2]: *** [/cross/crosstool-0.28-rc11/build/sparc64-unknown-linux-gnu/gcc-3.4.0-glibc-cvs/build-glibc/elf/sln] Error 1
> 
> 

It may be a compiler issue since it generates an unused inline function.
I suggest you file a gcc bug report. Or you can this try kludge.



H.J.
---
2004-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_load_address):
	Define only if IS_IN_rtld is defined.

--- sysdeps/sparc/sparc64/dl-machine.h.rtld	2004-03-05 11:42:32.000000000 -0800
+++ sysdeps/sparc/sparc64/dl-machine.h	2004-05-06 08:53:39.000000000 -0700
@@ -65,6 +65,7 @@ elf_machine_dynamic (void)
   return *elf_pic_register;
 }
 
+#ifdef IS_IN_rtld
 /* Return the run-time load address of the shared object.  */
 static inline Elf64_Addr
 elf_machine_load_address (void)
@@ -85,6 +86,7 @@ elf_machine_load_address (void)
      pc[3]*4 is l_addr + _GLOBAL_OFFSET_TABLE_ - (long)pc - 12  */
   return (Elf64_Addr) got - *got + (Elf32_Sword) ((pc[2] - pc[3]) * 4) - 4;
 }
+#endif
 
 /* We have 4 cases to handle.  And we code different code sequences
    for each one.  I love V9 code models...  */