Toggle default ELF section syntax on SPARC

[Eric Botcazou]

As a follow-up to David's patch, I'm proposing that we toggle the default ELF 
section syntax on SPARC for GCC 4.5 and above, using the Sun syntax only on 
Solaris and only with Sun as.

I've tested the attached patch on Solaris 8/9/10 with GNU as 2.19.1+Sun ld and 
the results are the same as without it.


2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>

	* config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
	(sparc64-*-linux*): Likewise.
	* config/sparc/gas.h: Delete.
	* config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
	* config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
	* config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.


-- 
Eric Botcazou
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