code.delx.au - gnu-emacs/blob - m4/stdlib_h.m4

   1 # stdlib_h.m4 serial 42
   2 dnl Copyright (C) 2007-2016 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_STDLIB_H],
   8 [
   9   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  10   gl_NEXT_HEADERS([stdlib.h])
  11
  12   dnl Check for declarations of anything we want to poison if the
  13   dnl corresponding gnulib module is not in use, and which is not
  14   dnl guaranteed by C89.
  15   gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
  16 #if HAVE_SYS_LOADAVG_H
  17 # include <sys/loadavg.h>
  18 #endif
  19 #if HAVE_RANDOM_H
  20 # include <random.h>
  21 #endif
  22     ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt
  23     initstate initstate_r mkdtemp mkostemp mkostemps mkstemp mkstemps
  24     posix_openpt ptsname ptsname_r random random_r realpath rpmatch
  25     secure_getenv setenv setstate setstate_r srandom srandom_r
  26     strtod strtoll strtoull unlockpt unsetenv])
  27 ])
  28
  29 AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
  30 [
  31   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  32   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
  33   gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  34   dnl Define it also as a C macro, for the benefit of the unit tests.
  35   gl_MODULE_INDICATOR_FOR_TESTS([$1])
  36 ])
  37
  38 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
  39 [
  40   GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])
  41   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
  42   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
  43   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
  44   GNULIB_GETLOADAVG=0;    AC_SUBST([GNULIB_GETLOADAVG])
  45   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
  46   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
  47   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
  48   GNULIB_MBTOWC=0;        AC_SUBST([GNULIB_MBTOWC])
  49   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
  50   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
  51   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
  52   GNULIB_MKSTEMP=0;       AC_SUBST([GNULIB_MKSTEMP])
  53   GNULIB_MKSTEMPS=0;      AC_SUBST([GNULIB_MKSTEMPS])
  54   GNULIB_POSIX_OPENPT=0;  AC_SUBST([GNULIB_POSIX_OPENPT])
  55   GNULIB_PTSNAME=0;       AC_SUBST([GNULIB_PTSNAME])
  56   GNULIB_PTSNAME_R=0;     AC_SUBST([GNULIB_PTSNAME_R])
  57   GNULIB_PUTENV=0;        AC_SUBST([GNULIB_PUTENV])
  58   GNULIB_QSORT_R=0;       AC_SUBST([GNULIB_QSORT_R])
  59   GNULIB_RANDOM=0;        AC_SUBST([GNULIB_RANDOM])
  60   GNULIB_RANDOM_R=0;      AC_SUBST([GNULIB_RANDOM_R])
  61   GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
  62   GNULIB_REALPATH=0;      AC_SUBST([GNULIB_REALPATH])
  63   GNULIB_RPMATCH=0;       AC_SUBST([GNULIB_RPMATCH])
  64   GNULIB_SECURE_GETENV=0; AC_SUBST([GNULIB_SECURE_GETENV])
  65   GNULIB_SETENV=0;        AC_SUBST([GNULIB_SETENV])
  66   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
  67   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
  68   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
  69   GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])
  70   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
  71   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
  72   GNULIB_WCTOMB=0;        AC_SUBST([GNULIB_WCTOMB])
  73   dnl Assume proper GNU behavior unless another module says otherwise.
  74   HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
  75   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
  76   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
  77   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
  78   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
  79   HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
  80   HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
  81   HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
  82   HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
  83   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
  84   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
  85   HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
  86   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
  87   HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
  88   HAVE_RANDOM=1;             AC_SUBST([HAVE_RANDOM])
  89   HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
  90   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
  91   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
  92   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
  93   HAVE_SECURE_GETENV=1;      AC_SUBST([HAVE_SECURE_GETENV])
  94   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
  95   HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])
  96   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
  97   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
  98   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
  99   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
 100   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
 101   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
 102   HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
 103   REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])
 104   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
 105   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
 106   REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
 107   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
 108   REPLACE_PTSNAME=0;         AC_SUBST([REPLACE_PTSNAME])
 109   REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
 110   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
 111   REPLACE_QSORT_R=0;         AC_SUBST([REPLACE_QSORT_R])
 112   REPLACE_RANDOM_R=0;        AC_SUBST([REPLACE_RANDOM_R])
 113   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
 114   REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
 115   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
 116   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
 117   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
 118   REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])
 119 ])