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@@ -1,6 +1,6 @@
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-# generated automatically by aclocal 1.13.1 -*- Autoconf -*-
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+# generated automatically by aclocal 1.15 -*- Autoconf -*-
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-# Copyright (C) 1996-2012 Free Software Foundation, Inc.
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+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -20,7 +20,85 @@ You have another version of autoconf. It may work, but is not guaranteed to.
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If you have problems, you may need to regenerate the build system entirely.
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To do so, use the procedure documented by the package, typically 'autoreconf'.])])
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-# Copyright (C) 2002-2013 Free Software Foundation, Inc.
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+# visibility.m4 serial 5 (gettext-0.18.2)
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+dnl Copyright (C) 2005, 2008, 2010-2016 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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+
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+dnl From Bruno Haible.
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+
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+dnl Tests whether the compiler supports the command-line option
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+dnl -fvisibility=hidden and the function and variable attributes
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+dnl __attribute__((__visibility__("hidden"))) and
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+dnl __attribute__((__visibility__("default"))).
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+dnl Does *not* test for __visibility__("protected") - which has tricky
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+dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on
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+dnl Mac OS X.
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+dnl Does *not* test for __visibility__("internal") - which has processor
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+dnl dependent semantics.
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+dnl Does *not* test for #pragma GCC visibility push(hidden) - which is
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+dnl "really only recommended for legacy code".
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+dnl Set the variable CFLAG_VISIBILITY.
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+dnl Defines and sets the variable HAVE_VISIBILITY.
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+
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+AC_DEFUN([gl_VISIBILITY],
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+[
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+ AC_REQUIRE([AC_PROG_CC])
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+ CFLAG_VISIBILITY=
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+ HAVE_VISIBILITY=0
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+ if test -n "$GCC"; then
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+ dnl First, check whether -Werror can be added to the command line, or
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+ dnl whether it leads to an error because of some other option that the
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+ dnl user has put into $CC $CFLAGS $CPPFLAGS.
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+ AC_MSG_CHECKING([whether the -Werror option is usable])
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+ AC_CACHE_VAL([gl_cv_cc_vis_werror], [
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+ gl_save_CFLAGS="$CFLAGS"
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+ CFLAGS="$CFLAGS -Werror"
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+ AC_COMPILE_IFELSE(
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+ [AC_LANG_PROGRAM([[]], [[]])],
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+ [gl_cv_cc_vis_werror=yes],
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+ [gl_cv_cc_vis_werror=no])
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+ CFLAGS="$gl_save_CFLAGS"])
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+ AC_MSG_RESULT([$gl_cv_cc_vis_werror])
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+ dnl Now check whether visibility declarations are supported.
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+ AC_MSG_CHECKING([for simple visibility declarations])
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+ AC_CACHE_VAL([gl_cv_cc_visibility], [
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+ gl_save_CFLAGS="$CFLAGS"
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+ CFLAGS="$CFLAGS -fvisibility=hidden"
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+ dnl We use the option -Werror and a function dummyfunc, because on some
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+ dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning
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+ dnl "visibility attribute not supported in this configuration; ignored"
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+ dnl at the first function definition in every compilation unit, and we
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+ dnl don't want to use the option in this case.
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+ if test $gl_cv_cc_vis_werror = yes; then
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+ CFLAGS="$CFLAGS -Werror"
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+ fi
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+ AC_COMPILE_IFELSE(
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+ [AC_LANG_PROGRAM(
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+ [[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
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+ extern __attribute__((__visibility__("default"))) int exportedvar;
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+ extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
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+ extern __attribute__((__visibility__("default"))) int exportedfunc (void);
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+ void dummyfunc (void) {}
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+ ]],
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+ [[]])],
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+ [gl_cv_cc_visibility=yes],
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+ [gl_cv_cc_visibility=no])
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+ CFLAGS="$gl_save_CFLAGS"])
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+ AC_MSG_RESULT([$gl_cv_cc_visibility])
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+ if test $gl_cv_cc_visibility = yes; then
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+ CFLAG_VISIBILITY="-fvisibility=hidden"
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+ HAVE_VISIBILITY=1
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+ fi
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+ fi
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+ AC_SUBST([CFLAG_VISIBILITY])
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+ AC_SUBST([HAVE_VISIBILITY])
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+ AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
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+ [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
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+])
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+
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+# Copyright (C) 2002-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -32,10 +110,10 @@ To do so, use the procedure documented by the package, typically 'autoreconf'.])
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# generated from the m4 files accompanying Automake X.Y.
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# (This private macro should not be called outside this file.)
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AC_DEFUN([AM_AUTOMAKE_VERSION],
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-[am__api_version='1.13'
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+[am__api_version='1.15'
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dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
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dnl require some minimum version. Point them to the right macro.
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-m4_if([$1], [1.13.1], [],
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+m4_if([$1], [1.15], [],
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[AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
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])
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@@ -51,14 +129,14 @@ m4_define([_AM_AUTOCONF_VERSION], [])
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# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
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# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
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AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
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-[AM_AUTOMAKE_VERSION([1.13.1])dnl
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+[AM_AUTOMAKE_VERSION([1.15])dnl
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m4_ifndef([AC_AUTOCONF_VERSION],
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[m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
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_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
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# AM_AUX_DIR_EXPAND -*- Autoconf -*-
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-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -103,15 +181,14 @@ _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
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# configured tree to be moved without reconfiguration.
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AC_DEFUN([AM_AUX_DIR_EXPAND],
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-[dnl Rely on autoconf to set up CDPATH properly.
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-AC_PREREQ([2.50])dnl
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-# expand $ac_aux_dir to an absolute path
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-am_aux_dir=`cd $ac_aux_dir && pwd`
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+[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
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+# Expand $ac_aux_dir to an absolute path.
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+am_aux_dir=`cd "$ac_aux_dir" && pwd`
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])
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# AM_CONDITIONAL -*- Autoconf -*-
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-# Copyright (C) 1997-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -142,7 +219,7 @@ AC_CONFIG_COMMANDS_PRE(
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Usually this means the macro was only invoked conditionally.]])
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fi])])
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-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -333,7 +410,7 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
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# Generate code to set up dependency tracking. -*- Autoconf -*-
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-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -373,7 +450,7 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
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DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
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test -z "$DEPDIR" && continue
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am__include=`sed -n 's/^am__include = //p' < "$mf"`
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- test -z "am__include" && continue
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+ test -z "$am__include" && continue
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am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
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# Find all dependency output files, they are included files with
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# $(DEPDIR) in their names. We invoke sed twice because it is the
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@@ -409,7 +486,7 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
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# Do all the work for Automake. -*- Autoconf -*-
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-# Copyright (C) 1996-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -418,6 +495,12 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
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# This macro actually does too much. Some checks are only needed if
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# your package does certain things. But this isn't really a big deal.
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+dnl Redefine AC_PROG_CC to automatically invoke _AM_PROG_CC_C_O.
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+m4_define([AC_PROG_CC],
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+m4_defn([AC_PROG_CC])
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+[_AM_PROG_CC_C_O
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+])
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+
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# AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
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# AM_INIT_AUTOMAKE([OPTIONS])
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# -----------------------------------------------
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@@ -493,8 +576,8 @@ AC_REQUIRE([AC_PROG_MKDIR_P])dnl
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# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
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# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
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AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
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-# We need awk for the "check" target. The system "awk" is bad on
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-# some platforms.
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+# We need awk for the "check" target (and possibly the TAP driver). The
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+# system "awk" is bad on some platforms.
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AC_REQUIRE([AC_PROG_AWK])dnl
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AC_REQUIRE([AC_PROG_MAKE_SET])dnl
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AC_REQUIRE([AM_SET_LEADING_DOT])dnl
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@@ -526,6 +609,51 @@ dnl macro is hooked onto _AC_COMPILER_EXEEXT early, see below.
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AC_CONFIG_COMMANDS_PRE(dnl
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[m4_provide_if([_AM_COMPILER_EXEEXT],
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[AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
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+
|
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+# POSIX will say in a future version that running "rm -f" with no argument
|
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+# is OK; and we want to be able to make that assumption in our Makefile
|
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+# recipes. So use an aggressive probe to check that the usage we want is
|
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+# actually supported "in the wild" to an acceptable degree.
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+# See automake bug#10828.
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+# To make any issue more visible, cause the running configure to be aborted
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+# by default if the 'rm' program in use doesn't match our expectations; the
|
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+# user can still override this though.
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+if rm -f && rm -fr && rm -rf; then : OK; else
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+ cat >&2 <<'END'
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+Oops!
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+
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+Your 'rm' program seems unable to run without file operands specified
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+on the command line, even when the '-f' option is present. This is contrary
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+to the behaviour of most rm programs out there, and not conforming with
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+the upcoming POSIX standard: <http://austingroupbugs.net/view.php?id=542>
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+
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+Please tell bug-automake@gnu.org about your system, including the value
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+of your $PATH and any error possibly output before this message. This
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+can help us improve future automake versions.
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+
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+END
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+ if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then
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+ echo 'Configuration will proceed anyway, since you have set the' >&2
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+ echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2
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+ echo >&2
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+ else
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+ cat >&2 <<'END'
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+Aborting the configuration process, to ensure you take notice of the issue.
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+
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+You can download and install GNU coreutils to get an 'rm' implementation
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+that behaves properly: <http://www.gnu.org/software/coreutils/>.
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+
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+If you want to complete the configuration process using your problematic
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+'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
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+to "yes", and re-run configure.
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+
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+END
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+ AC_MSG_ERROR([Your 'rm' program is bad, sorry.])
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+ fi
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+fi
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+dnl The trailing newline in this macro's definition is deliberate, for
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+dnl backward compatibility and to allow trailing 'dnl'-style comments
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+dnl after the AM_INIT_AUTOMAKE invocation. See automake bug#16841.
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])
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dnl Hook into '_AC_COMPILER_EXEEXT' early to learn its expansion. Do not
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@@ -534,7 +662,6 @@ dnl mangled by Autoconf and run in a shell conditional statement.
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m4_define([_AC_COMPILER_EXEEXT],
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m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
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-
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# When config.status generates a header, we must update the stamp-h file.
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# This file resides in the same directory as the config header
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# that is generated. The stamp files are numbered to have different names.
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@@ -556,7 +683,7 @@ for _am_header in $config_headers :; do
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done
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echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
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-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -567,7 +694,7 @@ echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_co
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# Define $install_sh.
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AC_DEFUN([AM_PROG_INSTALL_SH],
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[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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-if test x"${install_sh}" != xset; then
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+if test x"${install_sh+set}" != xset; then
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case $am_aux_dir in
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*\ * | *\ *)
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install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
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@@ -577,7 +704,7 @@ if test x"${install_sh}" != xset; then
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fi
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AC_SUBST([install_sh])])
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-# Copyright (C) 2003-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2003-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -598,7 +725,7 @@ AC_SUBST([am__leading_dot])])
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# Check to see how 'make' treats includes. -*- Autoconf -*-
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-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
|
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# gives unlimited permission to copy and/or distribute it,
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@@ -646,41 +773,9 @@ AC_MSG_RESULT([$_am_result])
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rm -f confinc confmf
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])
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-# Copyright (C) 1999-2013 Free Software Foundation, Inc.
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-#
|
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|
-# This file is free software; the Free Software Foundation
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-# gives unlimited permission to copy and/or distribute it,
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|
-# with or without modifications, as long as this notice is preserved.
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-
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-# AM_PROG_CC_C_O
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|
-# --------------
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|
-# Like AC_PROG_CC_C_O, but changed for automake.
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|
-AC_DEFUN([AM_PROG_CC_C_O],
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-[AC_REQUIRE([AC_PROG_CC_C_O])dnl
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-AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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-AC_REQUIRE_AUX_FILE([compile])dnl
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-# FIXME: we rely on the cache variable name because
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-# there is no other way.
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-set dummy $CC
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-am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
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-eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
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-if test "$am_t" != yes; then
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- # Losing compiler, so override with the script.
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- # FIXME: It is wrong to rewrite CC.
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- # But if we don't then we get into trouble of one sort or another.
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- # A longer-term fix would be to have automake use am__CC in this case,
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- # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
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- CC="$am_aux_dir/compile $CC"
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-fi
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-dnl Make sure AC_PROG_CC is never called again, or it will override our
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-dnl setting of CC.
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-m4_define([AC_PROG_CC],
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- [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
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-])
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-
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# Fake the existence of programs that GNU maintainers use. -*- Autoconf -*-
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-# Copyright (C) 1997-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1997-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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|
# gives unlimited permission to copy and/or distribute it,
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@@ -719,7 +814,7 @@ fi
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# Helper functions for option handling. -*- Autoconf -*-
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-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -748,9 +843,73 @@ AC_DEFUN([_AM_SET_OPTIONS],
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AC_DEFUN([_AM_IF_OPTION],
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[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
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+# Copyright (C) 1999-2014 Free Software Foundation, Inc.
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+#
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+# This file is free software; the Free Software Foundation
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+# gives unlimited permission to copy and/or distribute it,
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+# with or without modifications, as long as this notice is preserved.
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+
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+# _AM_PROG_CC_C_O
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+# ---------------
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+# Like AC_PROG_CC_C_O, but changed for automake. We rewrite AC_PROG_CC
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+# to automatically call this.
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+AC_DEFUN([_AM_PROG_CC_C_O],
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+[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
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+AC_REQUIRE_AUX_FILE([compile])dnl
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+AC_LANG_PUSH([C])dnl
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+AC_CACHE_CHECK(
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+ [whether $CC understands -c and -o together],
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+ [am_cv_prog_cc_c_o],
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+ [AC_LANG_CONFTEST([AC_LANG_PROGRAM([])])
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+ # Make sure it works both with $CC and with simple cc.
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+ # Following AC_PROG_CC_C_O, we do the test twice because some
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+ # compilers refuse to overwrite an existing .o file with -o,
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+ # though they will create one.
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+ am_cv_prog_cc_c_o=yes
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+ for am_i in 1 2; do
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+ if AM_RUN_LOG([$CC -c conftest.$ac_ext -o conftest2.$ac_objext]) \
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+ && test -f conftest2.$ac_objext; then
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+ : OK
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+ else
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+ am_cv_prog_cc_c_o=no
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+ break
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+ fi
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+ done
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+ rm -f core conftest*
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+ unset am_i])
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+if test "$am_cv_prog_cc_c_o" != yes; then
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+ # Losing compiler, so override with the script.
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+ # FIXME: It is wrong to rewrite CC.
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+ # But if we don't then we get into trouble of one sort or another.
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+ # A longer-term fix would be to have automake use am__CC in this case,
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+ # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
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+ CC="$am_aux_dir/compile $CC"
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+fi
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+AC_LANG_POP([C])])
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+
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+# For backward compatibility.
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+AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
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+
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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+#
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+# This file is free software; the Free Software Foundation
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+# gives unlimited permission to copy and/or distribute it,
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+# with or without modifications, as long as this notice is preserved.
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+
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+# AM_RUN_LOG(COMMAND)
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+# -------------------
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+# Run COMMAND, save the exit status in ac_status, and log it.
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+# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
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+AC_DEFUN([AM_RUN_LOG],
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+[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
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+ ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
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+ ac_status=$?
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+ echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
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+ (exit $ac_status); }])
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+
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# Check to make sure that the build environment is sane. -*- Autoconf -*-
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-# Copyright (C) 1996-2013 Free Software Foundation, Inc.
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+# Copyright (C) 1996-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -831,7 +990,7 @@ AC_CONFIG_COMMANDS_PRE(
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rm -f conftest.file
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])
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-# Copyright (C) 2009-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2009-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -891,7 +1050,7 @@ AC_SUBST([AM_BACKSLASH])dnl
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_AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
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])
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-# Copyright (C) 2001-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2001-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -919,7 +1078,7 @@ fi
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INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
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AC_SUBST([INSTALL_STRIP_PROGRAM])])
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-# Copyright (C) 2006-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2006-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -938,7 +1097,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
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# Check how to create a tarball. -*- Autoconf -*-
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-# Copyright (C) 2004-2013 Free Software Foundation, Inc.
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+# Copyright (C) 2004-2014 Free Software Foundation, Inc.
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#
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# This file is free software; the Free Software Foundation
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# gives unlimited permission to copy and/or distribute it,
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@@ -957,76 +1116,114 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
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# Substitute a variable $(am__untar) that extract such
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# a tarball read from stdin.
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# $(am__untar) < result.tar
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+#
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AC_DEFUN([_AM_PROG_TAR],
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[# Always define AMTAR for backward compatibility. Yes, it's still used
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# in the wild :-( We should find a proper way to deprecate it ...
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AC_SUBST([AMTAR], ['$${TAR-tar}'])
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-m4_if([$1], [v7],
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- [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
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- [m4_case([$1], [ustar],, [pax],,
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- [m4_fatal([Unknown tar format])])
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-AC_MSG_CHECKING([how to create a $1 tar archive])
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-# Loop over all known methods to create a tar archive until one works.
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+
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+# We'll loop over all known methods to create a tar archive until one works.
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_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
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-_am_tools=${am_cv_prog_tar_$1-$_am_tools}
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-# Do not fold the above two line into one, because Tru64 sh and
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-# Solaris sh will not grok spaces in the rhs of '-'.
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-for _am_tool in $_am_tools
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-do
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- case $_am_tool in
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- gnutar)
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- for _am_tar in tar gnutar gtar;
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- do
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- AM_RUN_LOG([$_am_tar --version]) && break
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- done
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- am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
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- am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
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- am__untar="$_am_tar -xf -"
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- ;;
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- plaintar)
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- # Must skip GNU tar: if it does not support --format= it doesn't create
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- # ustar tarball either.
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- (tar --version) >/dev/null 2>&1 && continue
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- am__tar='tar chf - "$$tardir"'
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- am__tar_='tar chf - "$tardir"'
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- am__untar='tar xf -'
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- ;;
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- pax)
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- am__tar='pax -L -x $1 -w "$$tardir"'
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- am__tar_='pax -L -x $1 -w "$tardir"'
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- am__untar='pax -r'
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- ;;
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- cpio)
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- am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
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- am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
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- am__untar='cpio -i -H $1 -d'
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- ;;
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- none)
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- am__tar=false
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- am__tar_=false
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- am__untar=false
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- ;;
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- esac
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- # If the value was cached, stop now. We just wanted to have am__tar
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- # and am__untar set.
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- test -n "${am_cv_prog_tar_$1}" && break
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+m4_if([$1], [v7],
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+ [am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'],
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+
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+ [m4_case([$1],
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+ [ustar],
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+ [# The POSIX 1988 'ustar' format is defined with fixed-size fields.
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+ # There is notably a 21 bits limit for the UID and the GID. In fact,
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+ # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
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+ # and bug#13588).
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+ am_max_uid=2097151 # 2^21 - 1
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+ am_max_gid=$am_max_uid
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+ # The $UID and $GID variables are not portable, so we need to resort
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+ # to the POSIX-mandated id(1) utility. Errors in the 'id' calls
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+ # below are definitely unexpected, so allow the users to see them
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+ # (that is, avoid stderr redirection).
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+ am_uid=`id -u || echo unknown`
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+ am_gid=`id -g || echo unknown`
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+ AC_MSG_CHECKING([whether UID '$am_uid' is supported by ustar format])
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+ if test $am_uid -le $am_max_uid; then
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+ AC_MSG_RESULT([yes])
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+ else
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+ AC_MSG_RESULT([no])
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+ _am_tools=none
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+ fi
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+ AC_MSG_CHECKING([whether GID '$am_gid' is supported by ustar format])
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+ if test $am_gid -le $am_max_gid; then
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+ AC_MSG_RESULT([yes])
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+ else
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+ AC_MSG_RESULT([no])
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+ _am_tools=none
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+ fi],
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+
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+ [pax],
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+ [],
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+
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+ [m4_fatal([Unknown tar format])])
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+
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+ AC_MSG_CHECKING([how to create a $1 tar archive])
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+
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+ # Go ahead even if we have the value already cached. We do so because we
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+ # need to set the values for the 'am__tar' and 'am__untar' variables.
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+ _am_tools=${am_cv_prog_tar_$1-$_am_tools}
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+
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+ for _am_tool in $_am_tools; do
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+ case $_am_tool in
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+ gnutar)
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+ for _am_tar in tar gnutar gtar; do
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+ AM_RUN_LOG([$_am_tar --version]) && break
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+ done
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+ am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
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+ am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
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+ am__untar="$_am_tar -xf -"
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+ ;;
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+ plaintar)
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+ # Must skip GNU tar: if it does not support --format= it doesn't create
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+ # ustar tarball either.
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+ (tar --version) >/dev/null 2>&1 && continue
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+ am__tar='tar chf - "$$tardir"'
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+ am__tar_='tar chf - "$tardir"'
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+ am__untar='tar xf -'
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+ ;;
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+ pax)
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+ am__tar='pax -L -x $1 -w "$$tardir"'
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+ am__tar_='pax -L -x $1 -w "$tardir"'
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+ am__untar='pax -r'
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+ ;;
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+ cpio)
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+ am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
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+ am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
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+ am__untar='cpio -i -H $1 -d'
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+ ;;
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+ none)
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+ am__tar=false
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+ am__tar_=false
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+ am__untar=false
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+ ;;
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+ esac
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- # tar/untar a dummy directory, and stop if the command works
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- rm -rf conftest.dir
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- mkdir conftest.dir
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- echo GrepMe > conftest.dir/file
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- AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
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+ # If the value was cached, stop now. We just wanted to have am__tar
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+ # and am__untar set.
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+ test -n "${am_cv_prog_tar_$1}" && break
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+
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+ # tar/untar a dummy directory, and stop if the command works.
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+ rm -rf conftest.dir
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+ mkdir conftest.dir
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+ echo GrepMe > conftest.dir/file
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+ AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
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+ rm -rf conftest.dir
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+ if test -s conftest.tar; then
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+ AM_RUN_LOG([$am__untar <conftest.tar])
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+ AM_RUN_LOG([cat conftest.dir/file])
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+ grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
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+ fi
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+ done
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rm -rf conftest.dir
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- if test -s conftest.tar; then
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- AM_RUN_LOG([$am__untar <conftest.tar])
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- grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
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- fi
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-done
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-rm -rf conftest.dir
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-AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
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-AC_MSG_RESULT([$am_cv_prog_tar_$1])])
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+ AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
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+ AC_MSG_RESULT([$am_cv_prog_tar_$1])])
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+
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AC_SUBST([am__tar])
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AC_SUBST([am__untar])
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]) # _AM_PROG_TAR
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Christos Zoulas