diff options
Diffstat (limited to 'gl/m4/vasnprintf.m4')
| -rw-r--r-- | gl/m4/vasnprintf.m4 | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gl/m4/vasnprintf.m4 b/gl/m4/vasnprintf.m4 index 749d708d9e..0ce11da13b 100644 --- a/gl/m4/vasnprintf.m4 +++ b/gl/m4/vasnprintf.m4 @@ -1,5 +1,5 @@ -# vasnprintf.m4 serial 33 -dnl Copyright (C) 2002-2004, 2006-2011 Free Software Foundation, Inc. +# vasnprintf.m4 serial 35 +dnl Copyright (C) 2002-2004, 2006-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -29,7 +29,7 @@ AC_DEFUN([gl_REPLACE_VASNPRINTF], gl_PREREQ_ASNPRINTF ]) -# Prequisites of lib/printf-args.h, lib/printf-args.c. +# Prerequisites of lib/printf-args.h, lib/printf-args.c. AC_DEFUN([gl_PREREQ_PRINTF_ARGS], [ AC_REQUIRE([AC_TYPE_LONG_LONG_INT]) @@ -37,7 +37,7 @@ AC_DEFUN([gl_PREREQ_PRINTF_ARGS], AC_REQUIRE([gt_TYPE_WINT_T]) ]) -# Prequisites of lib/printf-parse.h, lib/printf-parse.c. +# Prerequisites of lib/printf-parse.h, lib/printf-parse.c. AC_DEFUN([gl_PREREQ_PRINTF_PARSE], [ AC_REQUIRE([gl_FEATURES_H]) @@ -64,6 +64,9 @@ AC_DEFUN_ONCE([gl_PREREQ_VASNPRINTF], dnl Use the _snprintf function only if it is declared (because on NetBSD it dnl is defined as a weak alias of snprintf; we prefer to use the latter). AC_CHECK_DECLS([_snprintf], , , [[#include <stdio.h>]]) + dnl Knowing DBL_EXPBIT0_WORD and DBL_EXPBIT0_BIT enables an optimization + dnl in the code for NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE. + AC_REQUIRE([gl_DOUBLE_EXPONENT_LOCATION]) dnl We can avoid a lot of code by assuming that snprintf's return value dnl conforms to ISO C99. So check that. AC_REQUIRE([gl_SNPRINTF_RETVAL_C99]) |