echo "$as_me:$LINENO:" \     "checking for C compiler version" >&5ac_compiler=`set X $ac_compile; echo $2`{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5  (eval $ac_compiler --version </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5  (eval $ac_compiler -v </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5  (eval $ac_compiler -V </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }cat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){  ;  return 0;}_ACEOFac_clean_files_save=$ac_clean_filesac_clean_files="$ac_clean_files a.out a.exe b.out"# Try to create an executable without -o first, disregard a.out.# It will help us diagnose broken compilers, and finding out an intuition# of exeext.echo "$as_me:$LINENO: checking for C compiler default output file name" >&5echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5  (eval $ac_link_default) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  # Find the output, starting from the most likely.  This scheme is# not robust to junk in `.', hence go to wildcards (a.*) only as a last# resort.# Be careful to initialize this variable, since it used to be cached.# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.ac_cv_exeext=# b.out is created by i960 compilers.for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.outdo  test -f "$ac_file" || continue  case $ac_file in    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )	;;    conftest.$ac_ext )	# This is the source file.	;;    [ab].out )	# We found the default executable, but exeext='' is most	# certainly right.	break;;    *.* )	ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`	# FIXME: I believe we export ac_cv_exeext for Libtool,	# but it would be cool to find out if it's true.  Does anybody	# maintain Libtool? --akim.	export ac_cv_exeext	break;;    * )	break;;  esacdoneelse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: C compiler cannot create executablesSee \`config.log' for more details." >&5echo "$as_me: error: C compiler cannot create executablesSee \`config.log' for more details." >&2;}   { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run.  If not, either# the compiler is broken, or we cross compile.echo "$as_me:$LINENO: checking whether the C compiler works" >&5echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6# FIXME: These cross compiler hacks should be removed for Autoconf 3.0# If not cross compiling, check that we can run a simple program.if test "$cross_compiling" != yes; then  if { ac_try='./$ac_file'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; }; then    cross_compiling=no  else    if test "$cross_compiling" = maybe; then	cross_compiling=yes    else	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'.See \`config.log' for more details." >&5echo "$as_me: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'.See \`config.log' for more details." >&2;}   { (exit 1); exit 1; }; }    fi  fifiecho "$as_me:$LINENO: result: yes" >&5echo "${ECHO_T}yes" >&6rm -f a.out a.exe conftest$ac_cv_exeext b.outac_clean_files=$ac_clean_files_save# Check the compiler produces executables we can run.  If not, either# the compiler is broken, or we cross compile.echo "$as_me:$LINENO: checking whether we are cross compiling" >&5echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6echo "$as_me:$LINENO: result: $cross_compiling" >&5echo "${ECHO_T}$cross_compiling" >&6echo "$as_me:$LINENO: checking for suffix of executables" >&5echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5  (eval $ac_link) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  # If both `conftest.exe' and `conftest' are `present' (well, observable)# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will# work properly (i.e., refer to `conftest.exe'), while it won't with# `rm'.for ac_file in conftest.exe conftest conftest.*; do  test -f "$ac_file" || continue  case $ac_file in    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`	  export ac_cv_exeext	  break;;    * ) break;;  esacdoneelse  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and linkSee \`config.log' for more details." >&5echo "$as_me: error: cannot compute suffix of executables: cannot compile and linkSee \`config.log' for more details." >&2;}   { (exit 1); exit 1; }; }firm -f conftest$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_cv_exeext" >&5echo "${ECHO_T}$ac_cv_exeext" >&6rm -f conftest.$ac_extEXEEXT=$ac_cv_exeextac_exeext=$EXEEXTecho "$as_me:$LINENO: checking for suffix of object files" >&5echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6if test "${ac_cv_objext+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){  ;  return 0;}_ACEOFrm -f conftest.o conftest.objif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do  case $ac_file in    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`       break;;  esacdoneelse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compileSee \`config.log' for more details." >&5echo "$as_me: error: cannot compute suffix of object files: cannot compileSee \`config.log' for more details." >&2;}   { (exit 1); exit 1; }; }firm -f conftest.$ac_cv_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_objext" >&5echo "${ECHO_T}$ac_cv_objext" >&6OBJEXT=$ac_cv_objextac_objext=$OBJEXTecho "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6if test "${ac_cv_c_compiler_gnu+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){#ifndef __GNUC__       choke me#endif  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>conftest.er1  ac_status=$?  grep -v '^ *+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); } &&	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; } &&	 { ac_try='test -s conftest.$ac_objext'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; }; then  ac_compiler_gnu=yeselse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5ac_compiler_gnu=nofirm -f conftest.err conftest.$ac_objext conftest.$ac_extac_cv_c_compiler_gnu=$ac_compiler_gnufiecho "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6GCC=`test $ac_compiler_gnu = yes && echo yes`ac_test_CFLAGS=${CFLAGS+set}ac_save_CFLAGS=$CFLAGSCFLAGS="-g"echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6if test "${ac_cv_prog_cc_g+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>conftest.er1  ac_status=$?  grep -v '^ *+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); } &&	 { ac_try='test -z "$ac_c_werror_flag"			 || test ! -s conftest.err'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; } &&	 { ac_try='test -s conftest.$ac_objext'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; }; then  ac_cv_prog_cc_g=yeselse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5ac_cv_prog_cc_g=nofirm -f conftest.err conftest.$ac_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5echo "${ECHO_T}$ac_cv_prog_cc_g" >&6if test "$ac_test_CFLAGS" = set; then  CFLAGS=$ac_save_CFLAGSelif test $ac_cv_prog_cc_g = yes; then  if test "$GCC" = yes; then    CFLAGS="-g -O2"  else    CFLAGS="-g"  fielse  if test "$GCC" = yes; then    CFLAGS="-O2"  else    CFLAGS=  fifiecho "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6if test "${ac_cv_prog_cc_stdc+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  ac_cv_prog_cc_stdc=noac_save_CC=$CCcat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */#include <stdarg.h>#include <stdio.h>#include <sys/types.h>#include <sys/stat.h>/* Most of the following tests are stolen from RCS 5.7's src/conf.sh.  */struct buf { int x; };FILE * (*rcsopen) (struct buf *, struct stat *, int);static char *e (p, i)     char **p;     int i;{  return p[i];}static char *f (char * (*g) (char **, int), char **p, ...){  char *s;  va_list v;  va_start (v,p);  s = g (p, va_arg (v,int));  va_end (v);  return s;}/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has   function prototypes and stuff, but not '\xHH' hex character constants.   These don't provoke an error unfortunately, instead are silently treated   as 'x'.  The following induces an error, until -std1 is added to get   proper ANSI mode.  Curiously '\x00'!='x' always comes out true, for an   array size at least.  It's necessary to write '\x00'==0 to get something   that's true only with -std1.  */int osf4_cc_array ['\x00' == 0 ? 1 : -1];int test (int i, double x);struct s1 {int (*f) (int a);};struct s2 {int (*f) (double a);};int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);int argc;char **argv;intmain (){return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];  ;  return 0;}_ACEOF# Don't try gcc -ansi; that turns off useful extensions and# breaks some systems' header files.# AIX			-qlanglvl=ansi# Ultrix and OSF/1	-std1# HP-UX 10.20 and later	-Ae# HP-UX older versions	-Aa -D_HPUX_SOURCE# SVR4			-Xc -D__EXTENSIONS__for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"do  CC="$ac_save_CC $ac_arg"  rm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>conftest.er1  ac_status=$?  grep -v '^ *+' conftest.er1 >conftest.err  rm -f conftest.er1  cat conftest.err >&5  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); } &&	 { ac_try='test