m4/strtoumax.m4

   1 # strtoumax.m4 serial 12
   2 dnl Copyright (C) 2002-2004, 2006, 2009-2014 Free Software Foundation, Inc.
   3 dnl This file is free software; the Free Software Foundation
   4 dnl gives unlimited permission to copy and/or distribute it,
   5 dnl with or without modifications, as long as this notice is preserved.
   6
   7 AC_DEFUN([gl_FUNC_STRTOUMAX],
   8 [
   9   AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
  10
  11   dnl On OSF/1 5.1 with cc, this function is declared but not defined.
  12   AC_CHECK_FUNCS_ONCE([strtoumax])
  13   AC_CHECK_DECLS_ONCE([strtoumax])
  14   if test "$ac_cv_have_decl_strtoumax" = yes; then
  15     if test "$ac_cv_func_strtoumax" != yes; then
  16       # HP-UX 11.11 has "#define strtoimax(...) ..." but no function.
  17       REPLACE_STRTOUMAX=1
  18     fi
  19   else
  20     HAVE_DECL_STRTOUMAX=0
  21   fi
  22 ])
  23
  24 # Prerequisites of lib/strtoumax.c.
  25 AC_DEFUN([gl_PREREQ_STRTOUMAX], [
  26   AC_CHECK_DECLS([strtoull])
  27   AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
  28 ])