[gentoo-commits] proj/portage-utils:master commit in: autotools/m4/, autotools/gnulib/

[Fabian Groffen]

commit:     6f4c4106d8fa5af3ec3ee772df7783268eb68908
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Sun Feb 27 12:17:24 2022 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Sun Feb 27 12:17:24 2022 +0000
URL:        https://gitweb.gentoo.org/proj/portage-utils.git/commit/?id=6f4c4106

buildsys: add gnulib missing files

Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org>

 autotools/gnulib/localtime-buffer.c |  60 +++++++++++++++++++
 autotools/m4/dirname.m4             |  19 ++++++
 autotools/m4/inttypes-pri.m4        |  42 ++++++++++++++
 autotools/m4/localtime-buffer.m4    |  21 +++++++
 autotools/m4/longlong.m4            | 113 ++++++++++++++++++++++++++++++++++++
 5 files changed, 255 insertions(+)

diff --git a/autotools/gnulib/localtime-buffer.c b/autotools/gnulib/localtime-buffer.c
new file mode 100644
index 0000000..b65ea45
--- /dev/null
+++ b/autotools/gnulib/localtime-buffer.c
@@ -0,0 +1,60 @@
+/* Provide access to the last buffer returned by localtime() or gmtime().
+
+   Copyright (C) 2001-2003, 2005-2007, 2009-2019 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <https://www.gnu.org/licenses/>.  */
+
+/* written by Jim Meyering */
+
+#include <config.h>
+
+/* Specification.  */
+#include "localtime-buffer.h"
+
+#if GETTIMEOFDAY_CLOBBERS_LOCALTIME || TZSET_CLOBBERS_LOCALTIME
+
+static struct tm tm_zero_buffer;
+struct tm *localtime_buffer_addr = &tm_zero_buffer;
+
+/* This is a wrapper for localtime.
+
+   On the first call, record the address of the static buffer that
+   localtime uses for its result.  */
+
+struct tm *
+rpl_localtime (time_t const *timep)
+#undef localtime
+{
+  struct tm *tm = localtime (timep);
+
+  if (localtime_buffer_addr == &tm_zero_buffer)
+    localtime_buffer_addr = tm;
+
+  return tm;
+}
+
+/* Same as above, since gmtime and localtime use the same buffer.  */
+struct tm *
+rpl_gmtime (time_t const *timep)
+#undef gmtime
+{
+  struct tm *tm = gmtime (timep);
+
+  if (localtime_buffer_addr == &tm_zero_buffer)
+    localtime_buffer_addr = tm;
+
+  return tm;
+}
+
+#endif

diff --git a/autotools/m4/dirname.m4 b/autotools/m4/dirname.m4
new file mode 100644
index 0000000..32141ae
--- /dev/null
+++ b/autotools/m4/dirname.m4
@@ -0,0 +1,19 @@
+#serial 10   -*- autoconf -*-
+dnl Copyright (C) 2002-2006, 2009-2019 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.
+
+AC_DEFUN([gl_DIRNAME],
+[
+  AC_REQUIRE([gl_DIRNAME_LGPL])
+])
+
+AC_DEFUN([gl_DIRNAME_LGPL],
+[
+  dnl Prerequisites of lib/dirname.h.
+  AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
+
+  dnl No prerequisites of lib/basename-lgpl.c, lib/dirname-lgpl.c,
+  dnl lib/stripslash.c.
+])

diff --git a/autotools/m4/inttypes-pri.m4 b/autotools/m4/inttypes-pri.m4
new file mode 100644
index 0000000..38fe118
--- /dev/null
+++ b/autotools/m4/inttypes-pri.m4
@@ -0,0 +1,42 @@
+# inttypes-pri.m4 serial 7 (gettext-0.18.2)
+dnl Copyright (C) 1997-2002, 2006, 2008-2019 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 From Bruno Haible.
+
+AC_PREREQ([2.53])
+
+# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
+# macros to non-string values.  This is the case on AIX 4.3.3.
+
+AC_DEFUN([gt_INTTYPES_PRI],
+[
+  AC_CHECK_HEADERS([inttypes.h])
+  if test $ac_cv_header_inttypes_h = yes; then
+    AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
+      [gt_cv_inttypes_pri_broken],
+      [
+        AC_COMPILE_IFELSE(
+          [AC_LANG_PROGRAM(
+             [[
+#include <inttypes.h>
+#ifdef PRId32
+char *p = PRId32;
+#endif
+             ]],
+             [[]])],
+          [gt_cv_inttypes_pri_broken=no],
+          [gt_cv_inttypes_pri_broken=yes])
+      ])
+  fi
+  if test "$gt_cv_inttypes_pri_broken" = yes; then
+    AC_DEFINE_UNQUOTED([PRI_MACROS_BROKEN], [1],
+      [Define if <inttypes.h> exists and defines unusable PRI* macros.])
+    PRI_MACROS_BROKEN=1
+  else
+    PRI_MACROS_BROKEN=0
+  fi
+  AC_SUBST([PRI_MACROS_BROKEN])
+])

diff --git a/autotools/m4/localtime-buffer.m4 b/autotools/m4/localtime-buffer.m4
new file mode 100644
index 0000000..6d99828
--- /dev/null
+++ b/autotools/m4/localtime-buffer.m4
@@ -0,0 +1,21 @@
+# localtime-buffer.m4 serial 1
+dnl Copyright (C) 2017-2019 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.
+
+AC_DEFUN([gl_LOCALTIME_BUFFER_DEFAULTS],
+[
+  NEED_LOCALTIME_BUFFER=0
+])
+
+dnl Macro invoked from other modules, to signal that the compilation of
+dnl module 'localtime-buffer' is needed.
+AC_DEFUN([gl_LOCALTIME_BUFFER_NEEDED],
+[
+  AC_REQUIRE([gl_LOCALTIME_BUFFER_DEFAULTS])
+  AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
+  NEED_LOCALTIME_BUFFER=1
+  REPLACE_GMTIME=1
+  REPLACE_LOCALTIME=1
+])

diff --git a/autotools/m4/longlong.m4 b/autotools/m4/longlong.m4
new file mode 100644
index 0000000..08d0e36
--- /dev/null
+++ b/autotools/m4/longlong.m4
@@ -0,0 +1,113 @@
+# longlong.m4 serial 18
+dnl Copyright (C) 1999-2007, 2009-2019 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 From Paul Eggert.
+
+AC_PREREQ([2.62])
+
+# Define HAVE_LONG_LONG_INT if 'long long int' works.
+# This can be faster than what's in Autoconf 2.62 through 2.68.
+
+# Note: If the type 'long long int' exists but is only 32 bits large
+# (as on some very old compilers), HAVE_LONG_LONG_INT will not be
+# defined. In this case you can treat 'long long int' like 'long int'.
+
+AC_DEFUN([AC_TYPE_LONG_LONG_INT],
+[
+  AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
+  AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
+     [ac_cv_type_long_long_int=yes
+      if test "x${ac_cv_prog_cc_c99-no}" = xno; then
+        ac_cv_type_long_long_int=$ac_cv_type_unsigned_long_long_int
+        if test $ac_cv_type_long_long_int = yes; then
+          dnl Catch a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
+          dnl If cross compiling, assume the bug is not important, since
+          dnl nobody cross compiles for this platform as far as we know.
+          AC_RUN_IFELSE(
+            [AC_LANG_PROGRAM(
+               [[@%:@include <limits.h>
+                 @%:@ifndef LLONG_MAX
+                 @%:@ define HALF \
+                          (1LL << (sizeof (long long int) * CHAR_BIT - 2))
+                 @%:@ define LLONG_MAX (HALF - 1 + HALF)
+                 @%:@endif]],
+               [[long long int n = 1;
+                 int i;
+                 for (i = 0; ; i++)
+                   {
+                     long long int m = n << i;
+                     if (m >> i != n)
+                       return 1;
+                     if (LLONG_MAX / 2 < m)
+                       break;
+                   }
+                 return 0;]])],
+            [],
+            [ac_cv_type_long_long_int=no],
+            [:])
+        fi
+      fi])
+  if test $ac_cv_type_long_long_int = yes; then
+    AC_DEFINE([HAVE_LONG_LONG_INT], [1],
+      [Define to 1 if the system has the type 'long long int'.])
+  fi
+])
+
+# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
+# This can be faster than what's in Autoconf 2.62 through 2.68.
+
+# Note: If the type 'unsigned long long int' exists but is only 32 bits
+# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
+# will not be defined. In this case you can treat 'unsigned long long int'
+# like 'unsigned long int'.
+
+AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
+[
+  AC_CACHE_CHECK([for unsigned long long int],
+    [ac_cv_type_unsigned_long_long_int],
+    [ac_cv_type_unsigned_long_long_int=yes
+     if test "x${ac_cv_prog_cc_c99-no}" = xno; then
+       AC_LINK_IFELSE(
+         [_AC_TYPE_LONG_LONG_SNIPPET],
+         [],
+         [ac_cv_type_unsigned_long_long_int=no])
+     fi])
+  if test $ac_cv_type_unsigned_long_long_int = yes; then
+    AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], [1],
+      [Define to 1 if the system has the type 'unsigned long long int'.])
+  fi
+])
+
+# Expands to a C program that can be used to test for simultaneous support
+# of 'long long' and 'unsigned long long'. We don't want to say that
+# 'long long' is available if 'unsigned long long' is not, or vice versa,
+# because too many programs rely on the symmetry between signed and unsigned
+# integer types (excluding 'bool').
+AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
+[
+  AC_LANG_PROGRAM(
+    [[/* For now, do not test the preprocessor; as of 2007 there are too many
+         implementations with broken preprocessors.  Perhaps this can
+         be revisited in 2012.  In the meantime, code should not expect
+         #if to work with literals wider than 32 bits.  */
+      /* Test literals.  */
+      long long int ll = 9223372036854775807ll;
+      long long int nll = -9223372036854775807LL;
+      unsigned long long int ull = 18446744073709551615ULL;
+      /* Test constant expressions.   */
+      typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
+                     ? 1 : -1)];
+      typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
+                     ? 1 : -1)];
+      int i = 63;]],
+    [[/* Test availability of runtime routines for shift and division.  */
+      long long int llmax = 9223372036854775807ll;
+      unsigned long long int ullmax = 18446744073709551615ull;
+      return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
+              | (llmax / ll) | (llmax % ll)
+              | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
+              | (ullmax / ull) | (ullmax % ull));]])
+])