include-next, warnings: support older autoconf

[gnulib.git] / m4 / stdlib_h.m4

diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4
index 2ffb690..25fdada 100644 (file)
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -1,5 +1,5 @@
-# stdlib_h.m4 serial 29
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# stdlib_h.m4 serial 37
+dnl Copyright (C) 2007-2011 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.
 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.


@@ -7,21 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_STDLIB_H],
 [
   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
 AC_DEFUN([gl_STDLIB_H],
 [
   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])

-  gl_CHECK_NEXT_HEADERS([stdlib.h])
-  AC_CHECK_HEADERS([random.h], [], [], [AC_INCLUDES_DEFAULT])
-  if test $ac_cv_header_random_h = yes; then
-    HAVE_RANDOM_H=1
-  else
-    HAVE_RANDOM_H=0
-  fi
-  AC_SUBST([HAVE_RANDOM_H])
-  AC_CHECK_TYPES([struct random_data],
-    [], [HAVE_STRUCT_RANDOM_DATA=0],
-    [[#include <stdlib.h>
-      #if HAVE_RANDOM_H
-      # include <random.h>
-      #endif
-    ]])
+  gl_NEXT_HEADERS([stdlib.h])

 
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use, and which is not
 
   dnl Check for declarations of anything we want to poison if the
   dnl corresponding gnulib module is not in use, and which is not


@@ -33,7 +19,7 @@ AC_DEFUN([gl_STDLIB_H],
 #if HAVE_RANDOM_H
 # include <random.h>
 #endif
 #if HAVE_RANDOM_H
 # include <random.h>
 #endif

-    ]], [atoll canonicalize_file_name getloadavg getsubopt grantpt mkdtemp
+    ]], [_Exit atoll canonicalize_file_name getloadavg getsubopt grantpt mkdtemp

     mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
     setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
     unsetenv])
     mkostemp mkostemps mkstemp mkstemps ptsname random_r initstat_r srandom_r
     setstate_r realpath rpmatch setenv strtod strtoll strtoull unlockpt
     unsetenv])


@@ -50,6 +36,7 @@ AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
 
 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
 [
 
 AC_DEFUN([gl_STDLIB_H_DEFAULTS],
 [

+  GNULIB__EXIT=0;         AC_SUBST([GNULIB__EXIT])

   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])
   GNULIB_ATOLL=0;         AC_SUBST([GNULIB_ATOLL])
   GNULIB_CALLOC_POSIX=0;  AC_SUBST([GNULIB_CALLOC_POSIX])
   GNULIB_CANONICALIZE_FILE_NAME=0;  AC_SUBST([GNULIB_CANONICALIZE_FILE_NAME])


@@ -57,6 +44,7 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])
   GNULIB_GETSUBOPT=0;     AC_SUBST([GNULIB_GETSUBOPT])
   GNULIB_GRANTPT=0;       AC_SUBST([GNULIB_GRANTPT])
   GNULIB_MALLOC_POSIX=0;  AC_SUBST([GNULIB_MALLOC_POSIX])

+  GNULIB_MBTOWC=0;        AC_SUBST([GNULIB_MBTOWC])

   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])
   GNULIB_MKDTEMP=0;       AC_SUBST([GNULIB_MKDTEMP])
   GNULIB_MKOSTEMP=0;      AC_SUBST([GNULIB_MKOSTEMP])
   GNULIB_MKOSTEMPS=0;     AC_SUBST([GNULIB_MKOSTEMPS])


@@ -72,11 +60,13 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])
   GNULIB_STRTOD=0;        AC_SUBST([GNULIB_STRTOD])
   GNULIB_STRTOLL=0;       AC_SUBST([GNULIB_STRTOLL])
   GNULIB_STRTOULL=0;      AC_SUBST([GNULIB_STRTOULL])

+  GNULIB_SYSTEM_POSIX=0;  AC_SUBST([GNULIB_SYSTEM_POSIX])

   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])
   GNULIB_UNLOCKPT=0;      AC_SUBST([GNULIB_UNLOCKPT])
   GNULIB_UNSETENV=0;      AC_SUBST([GNULIB_UNSETENV])

+  GNULIB_WCTOMB=0;        AC_SUBST([GNULIB_WCTOMB])

   dnl Assume proper GNU behavior unless another module says otherwise.
   dnl Assume proper GNU behavior unless another module says otherwise.

+  HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])

   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
   HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])

-  HAVE_CALLOC_POSIX=1;       AC_SUBST([HAVE_CALLOC_POSIX])

   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
   HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
   HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
   HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])


@@ -87,19 +77,23 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
   HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
   HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
   HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])

+  HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])

   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
   HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
   HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
   HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
   HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])

+  HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])

   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
   HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
   HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
   HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
   HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
   HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
   HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])

-  HAVE_UNSETENV=1;           AC_SUBST([HAVE_UNSETENV])
+  HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
+  REPLACE_CALLOC=0;          AC_SUBST([REPLACE_CALLOC])

   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])
   REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
   REPLACE_MALLOC=0;          AC_SUBST([REPLACE_MALLOC])

+  REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])

   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])
   REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
   REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
   REPLACE_REALLOC=0;         AC_SUBST([REPLACE_REALLOC])


@@ -107,4 +101,5 @@ AC_DEFUN([gl_STDLIB_H_DEFAULTS],
   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
   REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
   REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
   REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])

+  REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])

 ])
 ])