ers.m4:468
F5,5
ifdefifdef
T15,76
_AS_BOX_LITERALAS_ECHO(["_AS_ESCAPE(m4_dquote(m4_expand([m4_text_box($@)])), [`], [\"$])"])
T15,58
m4_divert_stackm4_stack_foreach_sep_lifo([_m4_divert_stack], [], [], [
])
T12,724
AC_SITE_LOAD# Prefer an explicitly selected file to automatically selected ones.
if test -n "$CONFIG_SITE"; then
  ac_site_files="$CONFIG_SITE"
elif test "x$prefix" != xNONE; then
  ac_site_files="$prefix/share/config.site $prefix/etc/config.site"
else
  ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
fi

for ac_site_file in $ac_site_files
do
  AS_CASE([$ac_site_file],
    [*/*], [],
    [ac_site_file=./$ac_site_file])
  if test -f "$ac_site_file" && test -r "$ac_site_file"; then
    AC_MSG_NOTICE([loading site script $ac_site_file])
    sed 's/^/| /' "$ac_site_file" >&AS_MESSAGE_LOG_FD
    . "$ac_site_file" \
      || AC_MSG_FAILURE([failed to load site script $ac_site_file])
  fi
done

T8,87
m4_fatalm4_errprintn(m4_location[: error: $1]
m4_expansion_stack)m4_exit(m4_if([$2],, 1, [$2]))
F5,5
indirindir
T18,540
AC_C_CHAR_UNSIGNED_m4_defun_pro([$0])AH_VERBATIM([__CHAR_UNSIGNED__],
[/* Define to 1 if type 'char' is unsigned and your compiler does not
   predefine this macro.  */
#ifndef __CHAR_UNSIGNED__
# undef __CHAR_UNSIGNED__
#endif])dnl
AC_CACHE_CHECK(whether char is unsigned, ac_cv_c_char_unsigned,
[AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([AC_INCLUDES_DEFAULT([])],
					     [((char) -1) < 0])],
		   ac_cv_c_char_unsigned=no, ac_cv_c_char_unsigned=yes)])
if test $ac_cv_c_char_unsigned = yes; then
  AC_DEFINE(__CHAR_UNSIGNED__)
fi
[]_m4_defun_epi([$0])
T29,31
m4_location(AC_TRY_LINK_FUNC)./lib/autoconf/functions.m4:219
T16,277
_AC_INIT_VERSIONm4_divert_text([VERSION_BEGIN],
[if $ac_init_version; then
  cat <<\_ACEOF
m4_ifset([AC_PACKAGE_NAME], [AC_PACKAGE_NAME ])configure[]dnl
m4_ifset([AC_PACKAGE_VERSION], [ AC_PACKAGE_VERSION])
generated by m4_PACKAGE_STRING])
m4_divert_text([VERSION_END],
[_ACEOF
  exit
fi])dnl

T17,161
AM_TYPE_PTRDIFF_T_m4_defun_pro([$0])m4_warn([obsolete], [The macro 'AM_TYPE_PTRDIFF_T' is obsolete.
You should run autoupdate.])dnl
AC_CHECK_TYPES(ptrdiff_t)[]_m4_defun_epi([$0])
T11,55
m4_sincludem4_include_unique([$1])dnl
m4_builtin([sinclude], [$1])
T32,143
_AC_LANG_IO_PROGRAM(Objective C)AC_LANG_PROGRAM([@%:@include <stdio.h>],
[FILE *f = fopen ("conftest.out", "w");
 if (!f)
  return 1;
 return ferror (f) || fclose (f) != 0;
])
T17,157
AC_F77_DUMMY_MAIN_m4_defun_pro([$0])AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])dnl
AC_LANG_PUSH(Fortran 77)dnl
_AC_FC_DUMMY_MAIN($@)
AC_LANG_POP(Fortran 77)dnl
[]_m4_defun_epi([$0])
T15,88
AC_EGREP_HEADER_m4_defun_pro([$0])AC_EGREP_CPP([$1],
[#include <$2>
], [$3], [$4])[]_m4_defun_epi([$0])
T9,2
_AC_CC(C)CC
T29,2
AC_LANG_SOURCE(Objective C++)$1
T19,165
_AC_ARG_VAR_LDFLAGS_m4_defun_pro([$0])AC_ARG_VAR([LDFLAGS],
	    [linker flags, e.g. -L<lib dir> if you have libraries in a
	     nonstandard directory <lib dir>])[]_m4_defun_epi([$0])
T25,47
_AS_MODERN_CMDSUBST_WORKSblah=$(echo $(echo blah))
test x"$blah" = xblah
T25,31
m4_location(AC_PROG_YACC)./lib/autoconf/programs.m4:1007
T27,1
_AC_LANG_PREFIX(Fortran 77)F
T27,28
m4_location(AC_LANG_ERLANG)./lib/autoconf/erlang.m4:104
T14,96
_m4_bpatsubstsm4_if([$#], 2, [$1],
       [$0(m4_builtin([patsubst], [[$1]], [$2], [$3]),
	   m4_shift3($@))])
T17,107
_AC_C_C99_OPTIONS
    -std=gnu99
    -std=c99
    -c99
    -qlanglvl=extc1x
    -qlanglvl=extc99
    -AC99
    -D_STDC_C99=

T28,27
m4_location(AC_CHECK_MEMBER)./lib/autoconf/types.m4:944
T21,335
_AS_BOURNE_COMPATIBLEAS_IF([test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1],
 [emulate sh
  NULLCMD=:
  [#] Pre-4.2 versions of Zsh do word splitting on ${1+"$[@]"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+"$[@]"}'='"$[@]"'
  setopt NO_GLOB_SUBST],
 [AS_CASE([`(set -o) 2>/dev/null`], [*posix*], [set -o posix])])

T27,31
m4_location(AC_FUNC_FSEEKO)./lib/autoconf/functions.m4:677
T26,24
m4_location(AS_VAR_APPEND)lib/m4sugar/m4sh.m4:1989
T14,1514
AC_C_VARARRAYS_m4_defun_pro([$0])
  AC_CACHE_CHECK([for variable-length arrays],
    ac_cv_c_vararrays,
    [AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[[	#ifndef __STDC_NO_VLA__
	#error __STDC_NO_VLA__ not defined
	#endif
]])],
       [ac_cv_c_vararrays='no: __STDC_NO_VLA__ is defined'],
       [AC_COMPILE_IFELSE(
	  [AC_LANG_PROGRAM(
	     [[/* Test for VLA support.  This test is partly inspired
		  from examples in the C standard.  Use at least two VLA
		  functions to detect the GCC 3.4.3 bug described in:
		  https://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00014.html
		  */
	       #ifdef __STDC_NO_VLA__
		syntax error;
	       #else
		 extern int n;
		 int B[100];
		 int fvla (int m, int C[m][m]);

		 int
		 simple (int count, int all[static count])
		 {
		   return all[count - 1];
		 }

		 int
		 fvla (int m, int C[m][m])
		 {
		   typedef int VLA[m][m];
		   VLA x;
		   int D[m];
		   static int (*q)[m] = &B;
		   int (*s)[n] = q;
		   return C && &x[0][0] == &D[0] && &D[0] == s[0];
		 }
	       #endif
	       ]])],
	  [ac_cv_c_vararrays=yes],
	  [ac_cv_c_vararrays=no])])])
  if test "$ac_cv_c_vararrays" = yes; then
    dnl This is for compatibility with Autoconf 2.61-2.69.
    AC_DEFINE([HAVE_C_VARARRAYS], 1,
      [Define to 1 if C supports variable-length arrays.])
  elif test "$ac_cv_c_vararrays" = no; then
    AC_DEFINE([__STDC_NO_VLA__], 1,
      [Define to 1 if C does not support variable-length arrays, and
       if the compiler does not already define this.])
  fi
[]_m4_defun_epi([$0])
T22,133
_AS_LITERAL_HEREDOC_IFm4_if(m4_index([$1], [@S|@]), [-1],
  [m4_if(m4_index(m4_translit([[$1]], [\`], [$]), [$]), [-1],
    [$0_YES], [$0_NO])],
  [$0_NO])
T11,344
AC_PROG_F77_m4_defun_pro([$0])AC_LANG_PUSH(Fortran 77)dnl
AC_ARG_VAR([F77],    [Fortran 77 compiler command])dnl
AC_ARG_VAR([FFLAGS], [Fortran 77 compiler flags])dnl
_AC_ARG_VAR_LDFLAGS()dnl
_AC_ARG_VAR_LIBS()dnl
_AC_PROG_FC([Fortran 77], [$1])
if test $ac_compiler_gnu = yes; then
  G77=yes
else
  G77=
fi
AC_LANG_POP(Fortran 77)dnl
[]_m4_defun_epi([$0])
T11,98
_AS_IF_ELSE_m4_defun_pro([$0])m4_ifnblank([$1],
[else case e in @%:@(
  e) $1 ;;
esac
])[]_m4_defun_epi([$0])
T22,143
_AC_LANG_IO_PROGRAM(C)AC_LANG_PROGRAM([@%:@include <stdio.h>],
[FILE *f = fopen ("conftest.out", "w");
 if (!f)
  return 1;
 return ferror (f) || fclose (f) != 0;
])
T8,115
AS_ERRORas_fn_error m4_default([$2], [$?]) "_AS_QUOTE([$1])"m4_ifval(AS_MESSAGE_LOG_FD,
  [ "$LINENO" AS_MESSAGE_LOG_FD])[]
T8,187
AS_ERROR_m4_defun_pro([$0])m4_append_uniq([_AS_CLEANUP],
  [m4_divert_text([M4SH-INIT-FN], [_AS_ERROR_PREPARE[]])])[]_m4_popdef([$0])m4_indir([$0]m4_if([$#], [0], [], [,$@]))[]_m4_defun_epi([$0])
T21,383
AC_CHECK_TARGET_TOOLS_m4_defun_pro([$0])AC_REQUIRE([AC_CANONICAL_TARGET])dnl
for ac_prog in $2
do
  AC_CHECK_PROG([$1],
		[$target_alias-$ac_prog], [$target_alias-$ac_prog],,
		[$4])
  test -n "$$1" && break
done
if test -z "$$1"; then
  if test "$build" = "$target"; then
    ac_ct_$1=$$1
    AC_CHECK_PROGS([ac_ct_$1], [$2], [$3], [$4])
    $1=$ac_ct_$1
  else
    $1="$3"
  fi
fi
[]_m4_defun_epi([$0])
T13,150
ac_config_subm4_warn([obsolete],
 [$ac_config_sub is obsolete and unsafe.  Please stop using it.
Contact autoconf@gnu.org if you really need it.])ac_@&t@config_sub
T20,103
_AC_ENABLE_IF_ACTIONm4_append_uniq([_AC_USER_OPTS], [$1_$2], [
])dnl
AS_IF([test ${$1_$2+y}], [$1val=$$1_$2; $3], [$4])dnl

T36,26
m4_location(AC_LANG_PREPROC_REQUIRE)./lib/autoconf/lang.m4:380
T22,1644
_AC_UNDECLARED_BUILTIN_m4_defun_pro([$0])AC_CACHE_CHECK(
  [for $[]_AC_CC options needed to detect all undeclared functions],
  [ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options],
  [ac_save_CFLAGS=$CFLAGS
   ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options='cannot detect'
   for ac_arg in '' -fno-builtin; do
     CFLAGS="$ac_save_CFLAGS $ac_arg"
     # This test program should *not* compile successfully.
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [(void) strchr;])],
       [],
       [# This test program should compile successfully.
        # No library function is consistently available on
        # freestanding implementations, so test against a dummy
        # declaration.  Include always-available headers on the
        # off chance that they somehow elicit warnings.
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <float.h>
#include <limits.h>
#include <stdarg.h>
#include <stddef.h>
extern void ac_decl (int, char *);
]],
[[(void) ac_decl (0, (char *) 0);
  (void) ac_decl;
]])],
         [AS_IF([test x"$ac_arg" = x],
           [ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options='none needed'],
           [ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options=$ac_arg])
          break],
         [])])
    done
    CFLAGS=$ac_save_CFLAGS
  ])
  AS_CASE([$ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options],
    ['cannot detect'],
      [AC_MSG_FAILURE([cannot make $[]_AC_CC report undeclared builtins])],
    ['none needed'],
      [ac_[]_AC_LANG_ABBREV[]_undeclared_builtin_options=''],
      [ac_[]_AC_LANG_ABBREV[]_undeclared_builtin_options=$ac_cv_[]_AC_LANG_ABBREV[]_undeclared_builtin_options])
[]_m4_defun_epi([$0])
T37,26
m4_location(AC_LANG_COMPILER_REQUIRE)./lib/autoconf/lang.m4:335
T20,196
_AC_ARG_VAR_CPPFLAGS_m4_defun_pro([$0])AC_ARG_VAR([CPPFLAGS],
	    [(Objective) C/C++ preprocessor flags, e.g. -I<include dir>
	     if you have headers in a nonstandard directory <include dir>])[]_m4_defun_epi([$0])
T14,775
AC_SEARCH_LIBS_m4_defun_pro([$0])AS_VAR_PUSHDEF([ac_Search], [ac_cv_search_$1])dnl
AC_CACHE_CHECK([for library containing $1], [ac_Search],
[ac_func_search_save_LIBS=$LIBS
AC_LANG_CONFTEST([AC_LANG_CALL([], [$1])])
for ac_lib in '' $2
do
  if test -z "$ac_lib"; then
    ac_res="none required"
  else
    ac_res=-l$ac_lib
    LIBS="-l$ac_lib $5 $ac_func_search_save_LIBS"
  fi
  AC_LINK_IFELSE([], [AS_VAR_SET([ac_Search], [$ac_res])])
  AS_VAR_SET_IF([ac_Search], [break])
done
AS_VAR_SET_IF([ac_Search], , [AS_VAR_SET([ac_Search], [no])])
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS])
AS_VAR_COPY([ac_res], [ac_Search])
AS_IF([test "$ac_res" != no],
  [test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
  $3],
      [$4])
AS_VAR_POPDEF([ac_Search])dnl
[]_m4_defun_epi([$0])
T36,24
m4_location(_AC_CXX_CXX11_TEST_MAIN)./lib/autoconf/c.m4:2576
T20,111
m4_stack_foreach_sep_m4_stack_reverse([$1], [m4_tmp-$1])_m4_stack_reverse([m4_tmp-$1], [$1], [$2[]_m4_defn([m4_tmp-$1])$3], [$4[]])
T8,51
AU_ALIASAU_DEFUN([$1], _AU_ALIAS_BODY([$], [$2]), [], [$4])
T28,30
m4_location(_AC_LINK_IFELSE)./lib/autoconf/general.m4:2892
T23,3
_AC_LANG_ABBREV(Erlang)erl
T10,186
AC_TRY_RUN_m4_defun_pro([$0])m4_warn([obsolete], [The macro 'AC_TRY_RUN' is obsolete.
You should run autoupdate.])dnl
AC_RUN_IFELSE([AC_LANG_SOURCE([[$1]])], [$2], [$3], [$4])[]_m4_defun_epi([$0])
T21,32
AS_LITERAL_HEREDOC_IF_$0(m4_expand([$1]))([$2], [$3])
T6,86
AH_TOPm4_define([_AH_COUNTER], m4_incr(_AH_COUNTER))dnl
AH_VERBATIM([0000]_AH_COUNTER, [$1])
T16,795
AC_HEADER_ASSERT_m4_defun_once([AC_HEADER_ASSERT], [
  AC_MSG_CHECKING([whether to enable assertions])
  AC_ARG_ENABLE([assert],
    [AS_HELP_STRING([--disable-assert], [turn off assertions])],
    [ac_enable_assert=$enableval
     AS_IF(dnl
      [test "x$enableval" = xno],
	[AC_DEFINE([NDEBUG], [1],
	  [Define to 1 if assertions should be disabled.])],
      [test "x$enableval" != xyes],
	[AC_MSG_WARN([invalid argument supplied to --enable-assert])
	ac_enable_assert=yes])],
    [ac_enable_assert=yes])
  AC_MSG_RESULT([$ac_enable_assert])
], m4_if(_m4_divert_dump, [],
  [[_m4_defun_pro([AC_HEADER_ASSERT])m4_unquote(], [)_m4_defun_epi([AC_HEADER_ASSERT])]],
m4_ifdef([_m4_diverting([AC_HEADER_ASSERT])], [-]), [-], [[m4_unquote(], [)]],
  [[_m4_require_call([AC_HEADER_ASSERT],], [, _m4_divert_dump)]]))
T31,86
_AC_LANG_IO_PROGRAM(Fortran 77)AC_LANG_PROGRAM([],
[dnl
      open(unit=9,file='conftest.out')
      close(unit=9)
])
T23,331
_AC_PREPROC_IFELSE_BODY  AS_LINENO_PUSH([$[]1])
  AS_IF([_AC_DO_STDERR([$ac_cpp conftest.$ac_ext]) > conftest.i && {
	 test -z "$ac_[]_AC_LANG_ABBREV[]_preproc_warn_flag$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
	 test ! -s conftest.err
       }],
    [ac_retval=0],
    [_AC_MSG_LOG_CONFTEST
    ac_retval=1])
  AS_LINENO_POP
  AS_SET_STATUS([$ac_retval])

T14,519
AC_TYPE_SIGNAL_m4_defun_pro([$0])m4_warn([obsolete], [The macro 'AC_TYPE_SIGNAL' is obsolete.
You should run autoupdate.])dnl
AC_CACHE_CHECK([return type of signal handlers], ac_cv_type_signal,
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([#include <sys/types.h>
#include <signal.h>
],
		 [return *(signal (0, 0)) (0) == 1;])],
		   [ac_cv_type_signal=int],
		   [ac_cv_type_signal=void])])
AC_DEFINE_UNQUOTED(RETSIGTYPE, $ac_cv_type_signal,
		   [Define as the return type of signal handlers
		    ('int' or 'void').])
[]_m4_defun_epi([$0])
T17,490
_AS_TR_SH_LITERALm4_translit([[$1]],
  [*+[]][