Imported Upstream version 1.4.15
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386 changed files with 60019 additions and 38317 deletions
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@ -1,5 +1,5 @@
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# gnulib-common.m4 serial 11
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dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
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# gnulib-common.m4 serial 20
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dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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@ -23,23 +23,83 @@ AC_DEFUN([gl_COMMON_BODY], [
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# define __GNUC_STDC_INLINE__ 1
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#endif])
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AH_VERBATIM([unused_parameter],
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[/* Define as a marker that can be attached to function parameter declarations
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for parameters that are not used. This helps to reduce warnings, such as
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from GCC -Wunused-parameter. */
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[/* Define as a marker that can be attached to declarations that might not
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be used. This helps to reduce warnings, such as from
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GCC -Wunused-parameter. */
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#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
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# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))
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# define _GL_UNUSED __attribute__ ((__unused__))
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#else
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# define _UNUSED_PARAMETER_
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# define _GL_UNUSED
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#endif
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/* The name _UNUSED_PARAMETER_ is an earlier spelling, although the name
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is a misnomer outside of parameter lists. */
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#define _UNUSED_PARAMETER_ _GL_UNUSED
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])
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dnl Preparation for running test programs:
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dnl Tell glibc to write diagnostics from -D_FORTIFY_SOURCE=2 to stderr, not
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dnl to /dev/tty, so they can be redirected to log files. Such diagnostics
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dnl arise e.g., in the macros gl_PRINTF_DIRECTIVE_N, gl_SNPRINTF_DIRECTIVE_N.
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LIBC_FATAL_STDERR_=1
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export LIBC_FATAL_STDERR_
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])
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# gl_MODULE_INDICATOR_CONDITION
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# expands to a C preprocessor expression that evaluates to 1 or 0, depending
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# whether a gnulib module that has been requested shall be considered present
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# or not.
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AC_DEFUN([gl_MODULE_INDICATOR_CONDITION], [1])
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# gl_MODULE_INDICATOR_SET_VARIABLE([modulename])
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# sets the shell variable that indicates the presence of the given module to
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# a C preprocessor expression that will evaluate to 1.
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AC_DEFUN([gl_MODULE_INDICATOR_SET_VARIABLE],
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[
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GNULIB_[]m4_translit([[$1]],
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[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=gl_MODULE_INDICATOR_CONDITION
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])
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# gl_MODULE_INDICATOR([modulename])
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# defines a C macro indicating the presence of the given module.
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# defines a C macro indicating the presence of the given module
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# in a location where it can be used.
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# | Value | Value |
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# | in lib/ | in tests/ |
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# --------------------------------------------+---------+-----------+
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# Module present among main modules: | 1 | 1 |
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# --------------------------------------------+---------+-----------+
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# Module present among tests-related modules: | 0 | 1 |
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# --------------------------------------------+---------+-----------+
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# Module not present at all: | 0 | 0 |
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# --------------------------------------------+---------+-----------+
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AC_DEFUN([gl_MODULE_INDICATOR],
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[
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AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
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[Define to 1 when using the gnulib module ]$1[.])
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AC_DEFINE_UNQUOTED([GNULIB_]m4_translit([[$1]],
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[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]),
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[gl_MODULE_INDICATOR_CONDITION],
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[Define to a C preprocessor expression that evaluates to 1 or 0,
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depending whether the gnulib module $1 shall be considered present.])
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])
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# gl_MODULE_INDICATOR_FOR_TESTS([modulename])
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# defines a C macro indicating the presence of the given module
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# in lib or tests. This is useful to determine whether the module
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# should be tested.
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# | Value | Value |
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# | in lib/ | in tests/ |
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# --------------------------------------------+---------+-----------+
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# Module present among main modules: | 1 | 1 |
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# --------------------------------------------+---------+-----------+
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# Module present among tests-related modules: | 1 | 1 |
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# --------------------------------------------+---------+-----------+
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# Module not present at all: | 0 | 0 |
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# --------------------------------------------+---------+-----------+
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AC_DEFUN([gl_MODULE_INDICATOR_FOR_TESTS],
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[
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AC_DEFINE([GNULIB_TEST_]m4_translit([[$1]],
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[abcdefghijklmnopqrstuvwxyz./-],
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[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1],
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[Define to 1 when the gnulib module $1 should be tested.])
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])
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# m4_foreach_w
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@ -49,10 +109,25 @@ m4_ifndef([m4_foreach_w],
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[m4_define([m4_foreach_w],
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[m4_foreach([$1], m4_split(m4_normalize([$2]), [ ]), [$3])])])
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# AS_VAR_IF(VAR, VALUE, [IF-MATCH], [IF-NOT-MATCH])
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# ----------------------------------------------------
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# Backport of autoconf-2.63b's macro.
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# Remove this macro when we can assume autoconf >= 2.64.
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m4_ifndef([AS_VAR_IF],
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[m4_define([AS_VAR_IF],
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[AS_IF([test x"AS_VAR_GET([$1])" = x""$2], [$3], [$4])])])
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# AC_PROG_MKDIR_P
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# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
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# Remove this macro when we can assume autoconf >= 2.60.
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m4_ifdef([AC_PROG_MKDIR_P], [], [
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# is a backport of autoconf-2.60's AC_PROG_MKDIR_P, with a fix
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# for interoperability with automake-1.9.6 from autoconf-2.62.
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# Remove this macro when we can assume autoconf >= 2.62 or
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# autoconf >= 2.60 && automake >= 1.10.
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m4_ifdef([AC_PROG_MKDIR_P], [
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dnl For automake-1.9.6 && autoconf < 2.62: Ensure MKDIR_P is AC_SUBSTed.
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m4_define([AC_PROG_MKDIR_P],
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m4_defn([AC_PROG_MKDIR_P])[
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AC_SUBST([MKDIR_P])])], [
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dnl For autoconf < 2.60: Backport of AC_PROG_MKDIR_P.
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AC_DEFUN_ONCE([AC_PROG_MKDIR_P],
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[AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
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MKDIR_P='$(mkdir_p)'
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@ -63,6 +138,7 @@ m4_ifdef([AC_PROG_MKDIR_P], [], [
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# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++
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# works.
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# This definition can be removed once autoconf >= 2.62 can be assumed.
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m4_if(m4_version_compare(m4_defn([m4_PACKAGE_VERSION]),[2.62]),[-1],[
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AC_DEFUN([AC_C_RESTRICT],
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[AC_CACHE_CHECK([for C/C++ restrict keyword], [ac_cv_c_restrict],
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[ac_cv_c_restrict=no
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@ -70,13 +146,13 @@ AC_DEFUN([AC_C_RESTRICT],
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for ac_kw in __restrict __restrict__ _Restrict restrict; do
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[[typedef int * int_ptr;
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int foo (int_ptr $ac_kw ip) {
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return ip[0];
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int foo (int_ptr $ac_kw ip) {
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return ip[0];
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}]],
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[[int s[1];
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int * $ac_kw t = s;
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t[0] = 0;
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return foo(t)]])],
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int * $ac_kw t = s;
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t[0] = 0;
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return foo(t)]])],
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[ac_cv_c_restrict=$ac_kw])
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test "$ac_cv_c_restrict" != no && break
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done
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@ -100,6 +176,7 @@ AC_DEFUN([AC_C_RESTRICT],
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*) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
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esac
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])
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])
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# gl_BIGENDIAN
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# is like AC_C_BIGENDIAN, except that it can be AC_REQUIREd.
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