[v3] autoheader fixups

[Benjamin Kosnik]

Pointed out by Paolo. 

tested x86/linux

2002-11-13  Benjamin Kosnik  <bkoz@redhat.com>

	* acconfig.h (HAVE_DRAND48): Add.
	(HAVE_GETPAGESIZE): Add.
	(HAVE_SETENV): Add.	
	(HAVE_SIGSETJMP): Add.		
	* config.h.in: Regenerate.
	* configure: Regenerate.

Index: acconfig.h
===================================================================
RCS file: /cvs/gcc/gcc/libstdc++-v3/acconfig.h,v
retrieving revision 1.26
diff -c -p -r1.26 acconfig.h
*** acconfig.h	11 Oct 2002 21:10:01 -0000	1.26
--- acconfig.h	13 Nov 2002 22:28:34 -0000
***************
*** 13,21 ****
  // Define if GCC supports weak symbols.
  #undef _GLIBCPP_SUPPORTS_WEAK
  
- // Define if gthr-default.h exists (meaning that threading support is enabled).
- #undef HAVE_GTHR_DEFAULT
- 
  // Include I/O support for 'long long' and 'unsigned long long'.
  #undef _GLIBCPP_USE_LONG_LONG
  
--- 13,18 ----
***************
*** 37,49 ****
  // Define to use concept checking code from the boost libraries.
  #undef _GLIBCPP_CONCEPT_CHECKS
  
! // Define if you have the atan2f function.
  #undef _GLIBCPP_HAVE_ATAN2F 
  
! // Define if you have the atan2l function.
  #undef _GLIBCPP_HAVE_ATAN2L
  
! // Define if you have the copysignf function.
  #undef _GLIBCPP_HAVE_COPYSIGNF
  
  // Define to use symbol versioning in the shared library.
--- 34,46 ----
  // Define to use concept checking code from the boost libraries.
  #undef _GLIBCPP_CONCEPT_CHECKS
  
! // Define if the atan2f function exists.
  #undef _GLIBCPP_HAVE_ATAN2F 
  
! // Define if the atan2l function exists.
  #undef _GLIBCPP_HAVE_ATAN2L
  
! // Define if the copysignf function exists.
  #undef _GLIBCPP_HAVE_COPYSIGNF
  
  // Define to use symbol versioning in the shared library.
***************
*** 59,64 ****
--- 56,76 ----
  #else
    #define _GLIBCPP_ASM_SYMVER(cur, old, version)
  #endif
+ 
+ // Define if gthr-default.h exists (meaning that threading support is enabled).
+ #undef HAVE_GTHR_DEFAULT
+ 
+ // Define if drand48 exists.
+ #undef HAVE_DRAND48
+ 
+ // Define if getpagesize exists.
+ #undef HAVE_GETPAGESIZE
+ 
+ // Define if setenv exists.
+ #undef HAVE_SETENV
+ 
+ // Define if sigsetjmp exists.
+ #undef HAVE_SIGSETJMP
  
  // Define if mbstate_t exists in wchar.h.
  #undef HAVE_MBSTATE_T