# Some people use a C++ compiler to compile C.  Since we use `exit',# in C++ we need to declare it.  In case someone uses the same compiler# for both compiling C and C++ we need to have the C++ compiler decide# the declaration of exit, since it's the most demanding environment.cat >conftest.$ac_ext <<_ACEOF#ifndef __cplusplus  choke me#endif_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1719: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  echo "$as_me:1722: \$? = $ac_status" >&5  (exit $ac_status); } &&         { ac_try='test -s conftest.$ac_objext'  { (eval echo "$as_me:1725: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:1728: \$? = $ac_status" >&5  (exit $ac_status); }; }; then  for ac_declaration in \   ''\   '#include <stdlib.h>' \   'extern "C" void std::exit (int) throw (); using std::exit;' \   'extern "C" void std::exit (int); using std::exit;' \   'extern "C" void exit (int) throw ();' \   'extern "C" void exit (int);' \   'void exit (int);'do  cat >conftest.$ac_ext <<_ACEOF#line 1740 "configure"#include "confdefs.h"#include <stdlib.h>$ac_declarationintmain (){exit (42);  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1753: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  echo "$as_me:1756: \$? = $ac_status" >&5  (exit $ac_status); } &&         { ac_try='test -s conftest.$ac_objext'  { (eval echo "$as_me:1759: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:1762: \$? = $ac_status" >&5  (exit $ac_status); }; }; then  :else  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5continuefirm -f conftest.$ac_objext conftest.$ac_ext  cat >conftest.$ac_ext <<_ACEOF#line 1772 "configure"#include "confdefs.h"$ac_declarationintmain (){exit (42);  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1784: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  echo "$as_me:1787: \$? = $ac_status" >&5  (exit $ac_status); } &&         { ac_try='test -s conftest.$ac_objext'  { (eval echo "$as_me:1790: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:1793: \$? = $ac_status" >&5  (exit $ac_status); }; }; then  breakelse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extdonerm -f conftest*if test -n "$ac_declaration"; then  echo '#ifdef __cplusplus' >>confdefs.h  echo $ac_declaration      >>confdefs.h  echo '#endif'             >>confdefs.hfielse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extac_ext=cac_cpp='$CPP $CPPFLAGS'ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'ac_compiler_gnu=$ac_cv_c_compiler_gnuac_ext=cac_cpp='$CPP $CPPFLAGS'ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'ac_compiler_gnu=$ac_cv_c_compiler_gnuecho "$as_me:1825: checking how to run the C preprocessor" >&5echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6# On Suns, sometimes $CPP names a directory.if test -n "$CPP" && test -d "$CPP"; then  CPP=fiif test -z "$CPP"; then  if test "${ac_cv_prog_CPP+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else      # Double quotes because CPP needs to be expanded    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"    do      ac_preproc_ok=falsefor ac_c_preproc_warn_flag in '' yesdo  # Use a header file that comes with gcc, so configuring glibc  # with a fresh cross-compiler works.  # On the NeXT, cc -E runs the code through the compiler's parser,  # not just through cpp. "Syntax error" is here to catch this case.  cat >conftest.$ac_ext <<_ACEOF#line 1846 "configure"#include "confdefs.h"#include <assert.h>                     Syntax error_ACEOFif { (eval echo "$as_me:1851: \"$ac_cpp conftest.$ac_ext\"") >&5  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1  ac_status=$?  egrep -v '^ *\+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:1857: \$? = $ac_status" >&5  (exit $ac_status); } >/dev/null; then  if test -s conftest.err; then    ac_cpp_err=$ac_c_preproc_warn_flag  else    ac_cpp_err=  fielse  ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then  :else  echo "$as_me: failed program was:" >&5  cat conftest.$ac_ext >&5  # Broken: fails on valid input.continuefirm -f conftest.err conftest.$ac_ext  # OK, works on sane cases.  Now check whether non-existent headers  # can be detected and how.  cat >conftest.$ac_ext <<_ACEOF#line 1880 "configure"#include "confdefs.h"#include <ac_nonexistent.h>_ACEOFif { (eval echo "$as_me:1884: \"$ac_cpp conftest.$ac_ext\"") >&5  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1  ac_status=$?  egrep -v '^ *\+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:1890: \$? = $ac_status" >&5  (exit $ac_status); } >/dev/null; then  if test -s conftest.err; then    ac_cpp_err=$ac_c_preproc_warn_flag  else    ac_cpp_err=  fielse  ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then  # Broken: success on invalid input.continueelse  echo "$as_me: failed program was:" >&5  cat conftest.$ac_ext >&5  # Passes both tests.ac_preproc_ok=:breakfirm -f conftest.err conftest.$ac_extdone# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.rm -f conftest.err conftest.$ac_extif $ac_preproc_ok; then  breakfi    done    ac_cv_prog_CPP=$CPPfi  CPP=$ac_cv_prog_CPPelse  ac_cv_prog_CPP=$CPPfiecho "$as_me:1927: result: $CPP" >&5echo "${ECHO_T}$CPP" >&6ac_preproc_ok=falsefor ac_c_preproc_warn_flag in '' yesdo  # Use a header file that comes with gcc, so configuring glibc  # with a fresh cross-compiler works.  # On the NeXT, cc -E runs the code through the compiler's parser,  # not just through cpp. "Syntax error" is here to catch this case.  cat >conftest.$ac_ext <<_ACEOF#line 1937 "configure"#include "confdefs.h"#include <assert.h>                     Syntax error_ACEOFif { (eval echo "$as_me:1942: \"$ac_cpp conftest.$ac_ext\"") >&5  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1  ac_status=$?  egrep -v '^ *\+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:1948: \$? = $ac_status" >&5  (exit $ac_status); } >/dev/null; then  if test -s conftest.err; then    ac_cpp_err=$ac_c_preproc_warn_flag  else    ac_cpp_err=  fielse  ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then  :else  echo "$as_me: failed program was:" >&5  cat conftest.$ac_ext >&5  # Broken: fails on valid input.continuefirm -f conftest.err conftest.$ac_ext  # OK, works on sane cases.  Now check whether non-existent headers  # can be detected and how.  cat >conftest.$ac_ext <<_ACEOF#line 1971 "configure"#include "confdefs.h"#include <ac_nonexistent.h>_ACEOFif { (eval echo "$as_me:1975: \"$ac_cpp conftest.$ac_ext\"") >&5  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1  ac_status=$?  egrep -v '^ *\+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:1981: \$? = $ac_status" >&5  (exit $ac_status); } >/dev/null; then  if test -s conftest.err; then    ac_cpp_err=$ac_c_preproc_warn_flag  else    ac_cpp_err=  fielse  ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then  # Broken: success on invalid input.continueelse  echo "$as_me: failed program was:" >&5  cat conftest.$ac_ext >&5  # Passes both tests.ac_preproc_ok=:breakfirm -f conftest.err conftest.$ac_extdone# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.rm -f conftest.err conftest.$ac_extif $ac_preproc_ok; then  :else  { { echo "$as_me:2009: error: C preprocessor \"$CPP\" fails sanity check" >&5echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check" >&2;}   { (exit 1); exit 1; }; }fiac_ext=cac_cpp='$CPP $CPPFLAGS'ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'ac_compiler_gnu=$ac_cv_c_compiler_gnuecho "$as_me:2020: checking for minix/config.h" >&5echo $ECHO_N "checking for minix/config.h... $ECHO_C" >&6if test "${ac_cv_header_minix_config_h+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF#line 2026 "configure"#include "confdefs.h"#include <minix/config.h>_ACEOFif { (eval echo "$as_me:2030: \"$ac_cpp conftest.$ac_ext\"") >&5  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1  ac_status=$?  egrep -v '^ *\+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:2036: \$? = $ac_status" >&5  (exit $ac_status); } >/dev/null; then  if test -s conftest.err; then    ac_cpp_err=$ac_c_preproc_warn_flag  else    ac_cpp_err=  fielse  ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then  ac_cv_header_minix_config_h=yeselse  echo "$as_me: failed program was:" >&5  cat conftest.$ac_ext >&5  ac_cv_header_minix_config_h=nofirm -f conftest.err conftest.$ac_extfiecho "$as_me:2055: result: $ac_cv_header_minix_config_h" >&5echo "${ECHO_T}$ac_cv_header_minix_config_h" >&6if test $ac_cv_header_minix_config_h = yes; then  MINIX=yeselse  MINIX=fiif test "$MINIX" = yes; thencat >>confdefs.h <<\EOF#define _POSIX_SOURCE 1EOFcat >>confdefs.h <<\EOF#define _POSIX_1_SOURCE 2EOFcat >>confdefs.h <<\EOF#define _MINIX 1EOFfi# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"if test $ac_cv_c_compiler_gnu = yes; then    echo "$as_me:2083: checking whether $CC needs -traditional" >&5echo $ECHO_N "checking whether $CC needs -traditional... $ECHO_C" >&6if test "${ac_cv_prog_gcc_traditional+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else    ac_pattern="Autoconf.*'x'"  cat >conftest.$ac_ext <<_ACEOF#line 2090 "configure"#include "confdefs.h"#include <sgtty.h>Autoconf TIOCGETP_ACEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 |  egrep "$ac_pattern" >/dev/null 2>&1; then  ac_cv_prog_gcc_traditional=yeselse  ac_cv_prog_gcc_traditional=nofirm -f conftest*  if test $ac_cv_prog_gcc_traditional = no; then    cat >conftest.$ac_ext <<_ACEOF#line 2105 "configure"#include "confdefs.h"#include <termio.h>Autoconf TCGETA_ACEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 |  egrep "$ac_pattern" >/dev/null 2>&1; then  ac_cv_prog_gcc_traditional=yesfirm -f conftest*  fifiecho "$as_me:2118: result: $ac_cv_prog_gcc_traditional" >&5echo "${ECHO_T}$ac_cv_prog_gcc_traditional" >&6  if test $ac_cv_prog_gcc_traditional = yes; then    CC="$CC -traditional"  fifi# Find a good install program.  We prefer a C program (faster),# so one script is as good as another.  But avoid the broken or# incompatible versions:# SysV /etc/install, /usr/sbin/install# SunOS /usr/etc/install# IRIX /sbin/install# AIX /bin/install# AmigaOS