m4/string_h.m4

   1 # Configure a GNU-like replacement for <string.h>.
   2
   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.
   7
   8 # serial 12
   9
  10 # Written by Paul Eggert.
  11
  12 AC_DEFUN([gl_HEADER_STRING_H],
  13 [
  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])
  17 ])
  18
  19 AC_DEFUN([gl_HEADER_STRING_H_BODY],
  20 [
  21   AC_REQUIRE([AC_C_RESTRICT])
  22   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
  23   gl_CHECK_NEXT_HEADERS([string.h])
  24
  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])
  31 ])
  32
  33 AC_DEFUN([gl_STRING_MODULE_INDICATOR],
  34 [
  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
  38   dnl Define it also as a C macro, for the benefit of the unit tests.
  39   gl_MODULE_INDICATOR([$1])
  40 ])
  41
  42 AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
  43 [
  44   GNULIB_MEMCHR=0;      AC_SUBST([GNULIB_MEMCHR])
  45   GNULIB_MEMMEM=0;      AC_SUBST([GNULIB_MEMMEM])
  46   GNULIB_MEMPCPY=0;     AC_SUBST([GNULIB_MEMPCPY])
  47   GNULIB_MEMRCHR=0;     AC_SUBST([GNULIB_MEMRCHR])
  48   GNULIB_RAWMEMCHR=0;   AC_SUBST([GNULIB_RAWMEMCHR])
  49   GNULIB_STPCPY=0;      AC_SUBST([GNULIB_STPCPY])
  50   GNULIB_STPNCPY=0;     AC_SUBST([GNULIB_STPNCPY])
  51   GNULIB_STRCHRNUL=0;   AC_SUBST([GNULIB_STRCHRNUL])
  52   GNULIB_STRDUP=0;      AC_SUBST([GNULIB_STRDUP])
  53   GNULIB_STRNDUP=0;     AC_SUBST([GNULIB_STRNDUP])
  54   GNULIB_STRNLEN=0;     AC_SUBST([GNULIB_STRNLEN])
  55   GNULIB_STRPBRK=0;     AC_SUBST([GNULIB_STRPBRK])
  56   GNULIB_STRSEP=0;      AC_SUBST([GNULIB_STRSEP])
  57   GNULIB_STRSTR=0;      AC_SUBST([GNULIB_STRSTR])
  58   GNULIB_STRCASESTR=0;  AC_SUBST([GNULIB_STRCASESTR])
  59   GNULIB_STRTOK_R=0;    AC_SUBST([GNULIB_STRTOK_R])
  60   GNULIB_MBSLEN=0;      AC_SUBST([GNULIB_MBSLEN])
  61   GNULIB_MBSNLEN=0;     AC_SUBST([GNULIB_MBSNLEN])
  62   GNULIB_MBSCHR=0;      AC_SUBST([GNULIB_MBSCHR])
  63   GNULIB_MBSRCHR=0;     AC_SUBST([GNULIB_MBSRCHR])
  64   GNULIB_MBSSTR=0;      AC_SUBST([GNULIB_MBSSTR])
  65   GNULIB_MBSCASECMP=0;  AC_SUBST([GNULIB_MBSCASECMP])
  66   GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
  67   GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
  68   GNULIB_MBSCASESTR=0;  AC_SUBST([GNULIB_MBSCASESTR])
  69   GNULIB_MBSCSPN=0;     AC_SUBST([GNULIB_MBSCSPN])
  70   GNULIB_MBSPBRK=0;     AC_SUBST([GNULIB_MBSPBRK])
  71   GNULIB_MBSSPN=0;      AC_SUBST([GNULIB_MBSSPN])
  72   GNULIB_MBSSEP=0;      AC_SUBST([GNULIB_MBSSEP])
  73   GNULIB_MBSTOK_R=0;    AC_SUBST([GNULIB_MBSTOK_R])
  74   GNULIB_STRERROR=0;    AC_SUBST([GNULIB_STRERROR])
  75   GNULIB_STRSIGNAL=0;   AC_SUBST([GNULIB_STRSIGNAL])
  76   GNULIB_STRVERSCMP=0;  AC_SUBST([GNULIB_STRVERSCMP])
  77   HAVE_MBSLEN=0;        AC_SUBST([HAVE_MBSLEN])
  78   dnl Assume proper GNU behavior unless another module says otherwise.
  79   HAVE_DECL_MEMMEM=1;           AC_SUBST([HAVE_DECL_MEMMEM])
  80   HAVE_MEMPCPY=1;               AC_SUBST([HAVE_MEMPCPY])
  81   HAVE_DECL_MEMRCHR=1;          AC_SUBST([HAVE_DECL_MEMRCHR])
  82   HAVE_RAWMEMCHR=1;             AC_SUBST([HAVE_RAWMEMCHR])
  83   HAVE_STPCPY=1;                AC_SUBST([HAVE_STPCPY])
  84   HAVE_STPNCPY=1;               AC_SUBST([HAVE_STPNCPY])
  85   HAVE_STRCHRNUL=1;             AC_SUBST([HAVE_STRCHRNUL])
  86   HAVE_DECL_STRDUP=1;           AC_SUBST([HAVE_DECL_STRDUP])
  87   HAVE_DECL_STRNDUP=1;          AC_SUBST([HAVE_DECL_STRNDUP])
  88   HAVE_DECL_STRNLEN=1;          AC_SUBST([HAVE_DECL_STRNLEN])
  89   HAVE_STRPBRK=1;               AC_SUBST([HAVE_STRPBRK])
  90   HAVE_STRSEP=1;                AC_SUBST([HAVE_STRSEP])
  91   HAVE_STRCASESTR=1;            AC_SUBST([HAVE_STRCASESTR])
  92   HAVE_DECL_STRTOK_R=1;         AC_SUBST([HAVE_DECL_STRTOK_R])
  93   HAVE_DECL_STRERROR=1;         AC_SUBST([HAVE_DECL_STRERROR])
  94   HAVE_DECL_STRSIGNAL=1;        AC_SUBST([HAVE_DECL_STRSIGNAL])
  95   HAVE_STRVERSCMP=1;            AC_SUBST([HAVE_STRVERSCMP])
  96   REPLACE_MEMCHR=0;             AC_SUBST([REPLACE_MEMCHR])
  97   REPLACE_MEMMEM=0;             AC_SUBST([REPLACE_MEMMEM])
  98   REPLACE_STRDUP=0;             AC_SUBST([REPLACE_STRDUP])
  99   REPLACE_STRSTR=0;             AC_SUBST([REPLACE_STRSTR])
 100   REPLACE_STRCASESTR=0;         AC_SUBST([REPLACE_STRCASESTR])
 101   REPLACE_STRERROR=0;           AC_SUBST([REPLACE_STRERROR])
 102   REPLACE_STRNDUP=0;            AC_SUBST([REPLACE_STRNDUP])
 103   REPLACE_STRSIGNAL=0;          AC_SUBST([REPLACE_STRSIGNAL])
 104   REPLACE_STRTOK_R=0;           AC_SUBST([REPLACE_STRTOK_R])
 105   UNDEFINE_STRTOK_R=0;          AC_SUBST([UNDEFINE_STRTOK_R])
 106 ])