code.delx.au - gnu-emacs/blob - m4/strtoumax.m4

   1 # strtoumax.m4 serial 12
   2 dnl Copyright (C) 2002-2004, 2006, 2009-2015 Free Software Foundation,
   3 dnl Inc.
   4 dnl This file is free software; the Free Software Foundation
   5 dnl gives unlimited permission to copy and/or distribute it,
   6 dnl with or without modifications, as long as this notice is preserved.
   7
   8 AC_DEFUN([gl_FUNC_STRTOUMAX],
   9 [
  10   AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
  11
  12   dnl On OSF/1 5.1 with cc, this function is declared but not defined.
  13   AC_CHECK_FUNCS_ONCE([strtoumax])
  14   AC_CHECK_DECLS_ONCE([strtoumax])
  15   if test "$ac_cv_have_decl_strtoumax" = yes; then
  16     if test "$ac_cv_func_strtoumax" != yes; then
  17       # HP-UX 11.11 has "#define strtoimax(...) ..." but no function.
  18       REPLACE_STRTOUMAX=1
  19     fi
  20   else
  21     HAVE_DECL_STRTOUMAX=0
  22   fi
  23 ])
  24
  25 # Prerequisites of lib/strtoumax.c.
  26 AC_DEFUN([gl_PREREQ_STRTOUMAX], [
  27   AC_CHECK_DECLS([strtoull])
  28   AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
  29 ])