Huge fixes to glibc build, so that we can build at least (and at last):
- use ports addon even when installing headers,
- use optimisation (-O) when installing headers, to avoid unnecessary warnings (thanks Robert P. J. DAY for pointing this out!),
- lowest kernel version to use is only X.Y.Z, not X.Y.Z.T,
- a bit of preparations for NPTL (RSN I hope),
- fix fixing the linker scripts (changing the backup file is kind of useless and stupid);

Shut uClibc finish step: there really is nothing to do;

Add a patch for glibc-2.3.6 weak aliases handling on some archs (ARM and ALPHA at least);

Did not catch the make errors: fixed the pattern matching in scripts/functions;

Introduce a new log level, ALL:
- send components' build messages there,
- DEBUG log level is destined only for crosstool-NG debug messages,
- migrate sub-actions to use appropriate log levels;

Update the armeb-unknown-linux-gnu sample:
- it builds!
- uses gcc-4.0.4 and glibc-2.3.6,
- updated to latest config options set.

 2005-03-24  J"orn Rennecke <joern.rennecke@st.com>

 	Band aid for PR target/20617:

 	* config/sh/lib1funcs.asm (FUNC, ALIAS): Add .hidden directive.

 --- g/gcc/config/sh/lib1funcs.asm

 +++ g/gcc/config/sh/lib1funcs.asm

 @@ -37,9 +37,19 @@ Boston, MA 02111-1307, USA.  */

     ELF local label prefixes by J"orn Rennecke

     amylaar@cygnus.com  */

 +#define ALIAS(X,Y)	.global GLOBAL(X); .set GLOBAL(X),GLOBAL(Y)

 +

  #ifdef __ELF__

  #define LOCAL(X)	.L_##X

 -#define FUNC(X)		.type X,@function

 +

 +#if 1 /* ??? The export list mechanism is broken, everything that is not

 +	 hidden is exported.  */

 +#undef FUNC

 +#define FUNC(X)		.type X,@function; .hidden X

 +#undef ALIAS

 +#define ALIAS(X,Y)	.global GLOBAL(X); .set GLOBAL(X),GLOBAL(Y); .hidden GLOBAL(X)

 +#endif

 +

  #define ENDFUNC0(X)	.Lfe_##X: .size X,.Lfe_##X-X

  #define ENDFUNC(X)	ENDFUNC0(X)

  #else