long doubles or not and define PRINTF_HAS_LONG_DOUBLE if so.
* acconfig.h: Provide default undef for PRINTF_HAS_LONG_DOUBLE.
* configure: Regenerate.
* valprint.c (print_floating): Use PRINTF_HAS_LONG_DOUBLE.
* c-exp.y (parse_number): Use PRINTF_HAS_LONG_DOUBLE.
* configure.in: Fix have_gregset and have_fpregset autoconf
variable names so that they match the pattern required to
cache them.
* configure.in (AC_CONFIG_HEADER): Add, generate config.h.
* configure: Regenerate.
* Makefile.in (defs_h): Add config.h
* defs.h (config.h): Include before any other includes or defines.
* i386-tdep.c (gdb_string.h): Move include after include of defs.h.