summaryrefslogtreecommitdiff
path: root/m4/strtoumax.m4
blob: fc582fcf44660b03558478018856eb7612c67e3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
# strtoumax.m4 serial 12
dnl Copyright (C) 2002-2004, 2006, 2009-2014 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.

AC_DEFUN([gl_FUNC_STRTOUMAX],
[
  AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])

  dnl On OSF/1 5.1 with cc, this function is declared but not defined.
  AC_CHECK_FUNCS_ONCE([strtoumax])
  AC_CHECK_DECLS_ONCE([strtoumax])
  if test "$ac_cv_have_decl_strtoumax" = yes; then
    if test "$ac_cv_func_strtoumax" != yes; then
      # HP-UX 11.11 has "#define strtoimax(...) ..." but no function.
      REPLACE_STRTOUMAX=1
    fi
  else
    HAVE_DECL_STRTOUMAX=0
  fi
])

# Prerequisites of lib/strtoumax.c.
AC_DEFUN([gl_PREREQ_STRTOUMAX], [
  AC_CHECK_DECLS([strtoull])
  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
])