Virgin import of Christos Zoulas's FILE 3.39.

1 files changed, 156 insertions, 26 deletions

diff --git a/contrib/file/aclocal.m4 b/contrib/file/aclocal.m4
index b8a4955..c8873bc 100644
--- a/contrib/file/aclocal.m4
+++ b/contrib/file/aclocal.m4
@@ -11,7 +11,7 @@ dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 dnl PARTICULAR PURPOSE.
 
 dnl cloned from autoconf 2.13 acspecific.m4
-AC_DEFUN(AC_C_LONG_LONG,
+AC_DEFUN([AC_C_LONG_LONG],
 [AC_CACHE_CHECK(for long long, ac_cv_c_long_long,
 [if test "$GCC" = yes; then
   ac_cv_c_long_long=yes
@@ -26,23 +26,16 @@ if test $ac_cv_c_long_long = yes; then
 fi
 ])
 
-dnl from autoconf 2.13 acgeneral.m4, with patch:
-dnl Date: Fri, 15 Jan 1999 05:52:41 -0800
-dnl Message-ID: <199901151352.FAA18237@shade.twinsun.com>
-dnl From: eggert@twinsun.com (Paul Eggert)
-dnl Subject: autoconf 2.13 AC_CHECK_TYPE doesn't allow shell vars
-dnl Newsgroups: gnu.utils.bug
-
 dnl from autoconf 2.13 acspecific.m4, with changes to check for daylight
 
-AC_DEFUN(AC_STRUCT_TIMEZONE_DAYLIGHT,
+AC_DEFUN([AC_STRUCT_TIMEZONE_DAYLIGHT],
 [AC_REQUIRE([AC_STRUCT_TM])dnl
 AC_CACHE_CHECK([for tm_zone in struct tm], ac_cv_struct_tm_zone,
 [AC_TRY_COMPILE([#include <sys/types.h>
 #include <$ac_cv_struct_tm>], [struct tm tm; tm.tm_zone;],
   ac_cv_struct_tm_zone=yes, ac_cv_struct_tm_zone=no)])
 if test "$ac_cv_struct_tm_zone" = yes; then
-  AC_DEFINE(HAVE_TM_ZONE)
+  AC_DEFINE(HAVE_TM_ZONE,1,[HAVE_TM_ZONE])
 fi
 AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
 [AC_TRY_LINK(
@@ -54,7 +47,7 @@ extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
 changequote([, ])dnl
 [atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
   if test $ac_cv_var_tzname = yes; then
-    AC_DEFINE(HAVE_TZNAME)
+    AC_DEFINE(HAVE_TZNAME,1,[HAVE_TZNAME])
   fi
 
 AC_CACHE_CHECK([for tm_isdst in struct tm], ac_cv_struct_tm_isdst,
@@ -78,15 +71,27 @@ changequote([, ])dnl
   fi
 ])
 
-dnl AC_CHECK_TYPE2(TYPE, DEFAULT)
-AC_DEFUN(AC_CHECK_TYPE2,
+dnl from autoconf 2.13 acgeneral.m4, with patch:
+dnl Date: Fri, 15 Jan 1999 05:52:41 -0800
+dnl Message-ID: <199901151352.FAA18237@shade.twinsun.com>
+dnl From: eggert@twinsun.com (Paul Eggert)
+dnl Subject: autoconf 2.13 AC_CHECK_TYPE doesn't allow shell vars
+dnl Newsgroups: gnu.utils.bug
+dnl
+dnl now include <stdint.h> if available
+
+dnl AC_CHECK_TYPE2_STDC(TYPE, DEFAULT)
+AC_DEFUN([AC_CHECK_TYPE2_STDC],
 [AC_REQUIRE([AC_HEADER_STDC])dnl
+AC_REQUIRE([AC_HEADER_STDINT])dnl
 AC_MSG_CHECKING(for $1)
 AC_CACHE_VAL(ac_cv_type_$1,
 [AC_EGREP_CPP(dnl
-changequote(<<,>>)dnl
-<<(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]>>dnl
-changequote([,]), [#include <sys/types.h>
+[(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]],
+[#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#include <sys/types.h>
 #if STDC_HEADERS
 #include <stdlib.h>
 #include <stddef.h>
@@ -100,14 +105,12 @@ fi
 ])
 
 dnl from autoconf 2.13 acgeneral.m4, with additional third argument
-dnl AC_CHECK_SIZEOF_INCLUDES(TYPE [, CROSS-SIZE, [INCLUDES]])
-AC_DEFUN(AC_CHECK_SIZEOF_INCLUDES,
-[changequote(<<, >>)dnl
-dnl The name to #define.
-define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
+dnl AC_CHECK_SIZEOF_INCLUDES(TYPE [, CROSS-SIZE [, INCLUDES]])
+AC_DEFUN([AC_CHECK_SIZEOF_INCLUDES],
+[dnl The name to #define.
+define([AC_TYPE_NAME], translit(sizeof_$1, [[[a-z *]]], [[[A-Z_P]]]))dnl
 dnl The cache variable name.
-define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
-changequote([, ])dnl
+define([AC_CV_NAME], translit(ac_cv_sizeof_$1, [[[ *]]], [[[_p]]]))dnl
 AC_MSG_CHECKING(size of $1)
 AC_CACHE_VAL(AC_CV_NAME,
 [AC_TRY_RUN([$3
@@ -126,15 +129,142 @@ undefine([AC_CV_NAME])dnl
 ])
 
 dnl AC_CHECK_SIZEOF_STDC_HEADERS(TYPE [, CROSS_SIZE])
-AC_DEFUN(AC_CHECK_SIZEOF_STDC_HEADERS,
-[AC_CHECK_SIZEOF_INCLUDES($1, $2,
-[#include <sys/types.h>
+AC_DEFUN([AC_CHECK_SIZEOF_STDC_HEADERS],
+[AC_REQUIRE([AC_HEADER_STDC])dnl
+AC_REQUIRE([AC_HEADER_STDINT])dnl
+AC_CHECK_SIZEOF_INCLUDES($1, $2,
+[#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#include <sys/types.h>
 #ifdef STDC_HEADERS
 #include <stdlib.h>
 #endif
 ])
 ])
 
+
+dnl AC_CHECK_TYPE_STDC(TYPE, DEFAULT)
+AC_DEFUN([AC_CHECK_TYPE_STDC],
+[AC_REQUIRE([AC_HEADER_STDC])dnl
+AC_REQUIRE([AC_HEADER_STDINT])dnl
+AC_MSG_CHECKING(for $1)
+AC_CACHE_VAL(ac_cv_type_$1,
+[AC_EGREP_CPP(dnl
+[(^|[^a-zA-Z_0-9])$1[^a-zA-Z_0-9]],
+[#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#include <sys/types.h>
+#if STDC_HEADERS
+#include <stdlib.h>
+#include <stddef.h>
+#endif], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl
+AC_MSG_RESULT($ac_cv_type_$1)
+if test $ac_cv_type_$1 = no; then
+  AC_DEFINE($1, $2)
+fi
+])
+
+dnl AC_HEADER_STDINT
+AC_DEFUN([AC_HEADER_STDINT], [AC_CHECK_HEADERS(stdint.h)])
+
+#serial 19
+
+dnl By default, many hosts won't let programs access large files;
+dnl one must use special compiler options to get large-file access to work.
+dnl For more details about this brain damage please see:
+dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html
+
+dnl Written by Paul Eggert <eggert@twinsun.com>.
+
+dnl Internal subroutine of AC_SYS_LARGEFILE.
+dnl AC_SYS_LARGEFILE_TEST_INCLUDES
+AC_DEFUN([AC_SYS_LARGEFILE_TEST_INCLUDES],
+  [[#include <sys/types.h>
+    /* Check that off_t can represent 2**63 - 1 correctly.
+       We can't simply "#define LARGE_OFF_T 9223372036854775807",
+       since some C++ compilers masquerading as C compilers
+       incorrectly reject 9223372036854775807.  */
+#   define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+    int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+			&& LARGE_OFF_T % 2147483647 == 1)
+		       ? 1 : -1];
+  ]])
+
+dnl Internal subroutine of AC_SYS_LARGEFILE.
+dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE, CACHE-VAR, COMMENT, INCLU=
+DES, FUNCTION-BODY)
+AC_DEFUN([AC_SYS_LARGEFILE_MACRO_VALUE],
+  [AC_CACHE_CHECK([for $1 value needed for large files], $3,
+     [$3=no
+      AC_TRY_COMPILE([$5],
+	[$6],
+	,
+	[AC_TRY_COMPILE([#define $1 $2]
+[$5]
+	   ,
+	   [$6],
+	   [$3=$2])])])
+   if test "[$]$3" != no; then
+     AC_DEFINE_UNQUOTED([$1], [$]$3, [$4])
+   fi])
+
+AC_DEFUN([AC_SYS_LARGEFILE],
+  [AC_REQUIRE([AC_PROG_CC])
+   AC_ARG_ENABLE(largefile,
+     [  --disable-largefile     omit support for large files])
+   if test "$enable_largefile" != no; then
+
+     AC_CACHE_CHECK([for special C compiler options needed for large files=
+],
+       ac_cv_sys_largefile_CC,
+       [ac_cv_sys_largefile_CC=no
+        if test "$GCC" != yes; then
+	  # IRIX 6.2 and later do not support large files by default,
+	  # so use the C compiler's -n32 option if that helps.
+	  AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, , ,
+	    [ac_save_CC="$CC"
+	     CC="$CC -n32"
+	     AC_TRY_COMPILE(AC_SYS_LARGEFILE_TEST_INCLUDES, ,
+	       ac_cv_sys_largefile_CC=' -n32')
+	     CC="$ac_save_CC"])
+        fi])
+     if test "$ac_cv_sys_largefile_CC" != no; then
+       CC="$CC$ac_cv_sys_largefile_CC"
+     fi
+
+     AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS, 64,
+       ac_cv_sys_file_offset_bits,
+       [Number of bits in a file offset, on hosts where this is settable.],
+       AC_SYS_LARGEFILE_TEST_INCLUDES)
+     AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES, 1,
+       ac_cv_sys_large_files,
+       [Define for large files, on AIX-style hosts.],
+       AC_SYS_LARGEFILE_TEST_INCLUDES)
+   fi
+  ])
+
+AC_DEFUN([AC_FUNC_FSEEKO],
+  [AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE, 1,
+     ac_cv_sys_largefile_source,
+     [Define to make fseeko visible on some hosts (e.g. glibc 2.2).],
+     [#include <stdio.h>], [return !fseeko;])
+   # We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
+   # in glibc 2.1.3, but that breaks too many other things.
+   # If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
+
+   AC_CACHE_CHECK([for fseeko], ac_cv_func_fseeko,
+     [ac_cv_func_fseeko=no
+      AC_TRY_LINK([#include <stdio.h>],
+        [return fseeko && fseeko (stdin, 0, 0);],
+	[ac_cv_func_fseeko=yes])])
+   if test $ac_cv_func_fseeko != no; then
+     AC_DEFINE(HAVE_FSEEKO, 1,
+       [Define if fseeko (and presumably ftello) exists and is declared.])
+   fi])
+
+
 # Do all the work for Automake.  This macro actually does too much --
 # some checks are only needed if your package does certain things.
 # But this isn't really a big deal.