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source: kBuild/vendor/grep/2.12/m4/snprintf.m4@ 2595

Last change on this file since 2595 was 2595, checked in by bird, 12 years ago

gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)

File size: 1.5 KB
Line 
1# snprintf.m4 serial 6
2dnl Copyright (C) 2002-2004, 2007-2012 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7dnl Libintl 0.17 will replace snprintf only if it does not support %1$s,
8dnl but defers to any gnulib snprintf replacements. Therefore, gnulib
9dnl must guarantee that the decision for replacing snprintf is a superset
10dnl of the reasons checked by libintl.
11AC_DEFUN([gl_FUNC_SNPRINTF],
12[
13 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
14 gl_cv_func_snprintf_usable=no
15 AC_CHECK_FUNCS([snprintf])
16 if test $ac_cv_func_snprintf = yes; then
17 gl_SNPRINTF_SIZE1
18 case "$gl_cv_func_snprintf_size1" in
19 *yes)
20 gl_SNPRINTF_RETVAL_C99
21 case "$gl_cv_func_snprintf_retval_c99" in
22 *yes)
23 gl_PRINTF_POSITIONS
24 case "$gl_cv_func_printf_positions" in
25 *yes)
26 gl_cv_func_snprintf_usable=yes
27 ;;
28 esac
29 ;;
30 esac
31 ;;
32 esac
33 fi
34 if test $gl_cv_func_snprintf_usable = no; then
35 gl_REPLACE_SNPRINTF
36 fi
37 AC_CHECK_DECLS_ONCE([snprintf])
38 if test $ac_cv_have_decl_snprintf = no; then
39 HAVE_DECL_SNPRINTF=0
40 fi
41])
42
43AC_DEFUN([gl_REPLACE_SNPRINTF],
44[
45 AC_REQUIRE([gl_STDIO_H_DEFAULTS])
46 AC_LIBOBJ([snprintf])
47 if test $ac_cv_func_snprintf = yes; then
48 REPLACE_SNPRINTF=1
49 fi
50 gl_PREREQ_SNPRINTF
51])
52
53# Prerequisites of lib/snprintf.c.
54AC_DEFUN([gl_PREREQ_SNPRINTF], [:])
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