1 # Configure a GNU-like replacement for <string.h>.
3 # Copyright (C) 2007-2010 Free Software Foundation, Inc.
4 # This file is free software; the Free Software Foundation
5 # gives unlimited permission to copy and/or distribute it,
6 # with or without modifications, as long as this notice is preserved.
10 # Written by Paul Eggert.
12 AC_DEFUN([gl_HEADER_STRING_H],
14 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
15 dnl once only, before all statements that occur in other macros.
16 AC_REQUIRE([gl_HEADER_STRING_H_BODY])
19 AC_DEFUN([gl_HEADER_STRING_H_BODY],
21 AC_REQUIRE([AC_C_RESTRICT])
22 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
23 gl_CHECK_NEXT_HEADERS([string.h])
25 dnl Check for declarations of anything we want to poison if the
26 dnl corresponding gnulib module is not in use, and which is not
27 dnl guaranteed by C89.
28 gl_WARN_ON_USE_PREPARE([[#include <string.h>
29 ]], [memmem mempcpy memrchr rawmemchr stpcpy stpncpy strchrnul strdup
30 strndup strnlen strpbrk strsep strcasestr strtok_r strsignal strverscmp])
33 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
35 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
36 AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
37 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
40 AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
42 GNULIB_MEMCHR=0; AC_SUBST([GNULIB_MEMCHR])
43 GNULIB_MEMMEM=0; AC_SUBST([GNULIB_MEMMEM])
44 GNULIB_MEMPCPY=0; AC_SUBST([GNULIB_MEMPCPY])
45 GNULIB_MEMRCHR=0; AC_SUBST([GNULIB_MEMRCHR])
46 GNULIB_RAWMEMCHR=0; AC_SUBST([GNULIB_RAWMEMCHR])
47 GNULIB_STPCPY=0; AC_SUBST([GNULIB_STPCPY])
48 GNULIB_STPNCPY=0; AC_SUBST([GNULIB_STPNCPY])
49 GNULIB_STRCHRNUL=0; AC_SUBST([GNULIB_STRCHRNUL])
50 GNULIB_STRDUP=0; AC_SUBST([GNULIB_STRDUP])
51 GNULIB_STRNDUP=0; AC_SUBST([GNULIB_STRNDUP])
52 GNULIB_STRNLEN=0; AC_SUBST([GNULIB_STRNLEN])
53 GNULIB_STRPBRK=0; AC_SUBST([GNULIB_STRPBRK])
54 GNULIB_STRSEP=0; AC_SUBST([GNULIB_STRSEP])
55 GNULIB_STRSTR=0; AC_SUBST([GNULIB_STRSTR])
56 GNULIB_STRCASESTR=0; AC_SUBST([GNULIB_STRCASESTR])
57 GNULIB_STRTOK_R=0; AC_SUBST([GNULIB_STRTOK_R])
58 GNULIB_MBSLEN=0; AC_SUBST([GNULIB_MBSLEN])
59 GNULIB_MBSNLEN=0; AC_SUBST([GNULIB_MBSNLEN])
60 GNULIB_MBSCHR=0; AC_SUBST([GNULIB_MBSCHR])
61 GNULIB_MBSRCHR=0; AC_SUBST([GNULIB_MBSRCHR])
62 GNULIB_MBSSTR=0; AC_SUBST([GNULIB_MBSSTR])
63 GNULIB_MBSCASECMP=0; AC_SUBST([GNULIB_MBSCASECMP])
64 GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
65 GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
66 GNULIB_MBSCASESTR=0; AC_SUBST([GNULIB_MBSCASESTR])
67 GNULIB_MBSCSPN=0; AC_SUBST([GNULIB_MBSCSPN])
68 GNULIB_MBSPBRK=0; AC_SUBST([GNULIB_MBSPBRK])
69 GNULIB_MBSSPN=0; AC_SUBST([GNULIB_MBSSPN])
70 GNULIB_MBSSEP=0; AC_SUBST([GNULIB_MBSSEP])
71 GNULIB_MBSTOK_R=0; AC_SUBST([GNULIB_MBSTOK_R])
72 GNULIB_STRERROR=0; AC_SUBST([GNULIB_STRERROR])
73 GNULIB_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL])
74 GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP])
75 HAVE_MBSLEN=0; AC_SUBST([HAVE_MBSLEN])
76 dnl Assume proper GNU behavior unless another module says otherwise.
77 HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
78 HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
79 HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
80 HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
81 HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
82 HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
83 HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
84 HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
85 HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
86 HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
87 HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
88 HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
89 HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
90 HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
91 HAVE_DECL_STRERROR=1; AC_SUBST([HAVE_DECL_STRERROR])
92 HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
93 HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
94 REPLACE_MEMCHR=0; AC_SUBST([REPLACE_MEMCHR])
95 REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
96 REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
97 REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
98 REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
99 REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
100 REPLACE_STRNDUP=0; AC_SUBST([REPLACE_STRNDUP])
101 REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
102 REPLACE_STRTOK_R=0; AC_SUBST([REPLACE_STRTOK_R])
103 UNDEFINE_STRTOK_R=0; AC_SUBST([UNDEFINE_STRTOK_R])