* include/tr1/cmath: New.
	* include/tr1/cstdlib: Likewise.
	* include/tr1/ctime: Likewise.
	* include/tr1/math.h: Likewise.	
	* include/tr1/stdlib.h: Likewise.
	* include/Makefile.am: Add.
	* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): Add <math.h> checks.
	* testsuite/tr1/8_c_compatibility/cmath/functions.cc: New.
	* testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Likewise.
	* testsuite/tr1/8_c_compatibility/cstdlib/types.cc: Likewise.
	* testsuite/tr1/headers.cc: Update.	

	* include/tr1/cinttypes: Do not provide abs and div, conflicting
	with the above overloads for _Longlong types.
	* include/tr1/inttypes.h: Adjust.
	* testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Adjust.

	* docs/html/ext/tr1.html: Update.
	
	* testsuite/tr1/8_c_compatibility/cwchar/functions.cc: Tweak.

	* include/Makefile.in: Regenerate.
	* config.h.in: Likewise.
	* configure: Likewise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@110696 138bc75d-0d04-0410-961f-82ee72b054a4