configure

linux系统下的音频通信

if { (eval echo configure:1850: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
  tk_ok=termios
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=no
fi
rm -fr conftest*
fi

if test $tk_ok = termios; then
    cat >> confdefs.h <<\EOF
#define USE_TERMIOS 1
EOF

else
if test "$cross_compiling" = yes; then
  tk_ok=no
else
  cat > conftest.$ac_ext <<EOF
#line 1872 "configure"
#include "confdefs.h"

#include <termio.h>

main()
{
    struct termio t;
    if (ioctl(0, TCGETA, &t) == 0) {
	t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:1887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
  tk_ok=termio
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=no
fi
rm -fr conftest*
fi

if test $tk_ok = termio; then
    cat >> confdefs.h <<\EOF
#define USE_TERMIO 1
EOF

else
if test "$cross_compiling" = yes; then
  tk_ok=none
else
  cat > conftest.$ac_ext <<EOF
#line 1909 "configure"
#include "confdefs.h"

#include <sgtty.h>

main()
{
    struct sgttyb t;
    if (ioctl(0, TIOCGETP, &t) == 0) {
	t.sg_ospeed = 0;
	t.sg_flags |= ODDP | EVENP | RAW;
	return 0;
    }
    return 1;
}
EOF
if { (eval echo configure:1925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
  tk_ok=sgtty
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -fr conftest*
  tk_ok=none
fi
rm -fr conftest*
fi

if test $tk_ok = sgtty; then
    cat >> confdefs.h <<\EOF
#define USE_SGTTY 1
EOF

fi
fi
fi
echo "$ac_t""$tk_ok" 1>&6

#--------------------------------------------------------------------
#	Include sys/select.h if it exists and if it supplies things
#	that appear to be useful and aren't already in sys/types.h.
#	This appears to be true only on the RS/6000 under AIX.  Some
#	systems like OSF/1 have a sys/select.h that's of no use, and
#	other systems like SCO UNIX have a sys/select.h that's
#	pernicious.  If "fd_set" isn't defined anywhere then set a
#	special flag.
#--------------------------------------------------------------------

echo $ac_n "checking fd_set and sys/select""... $ac_c" 1>&6
echo "configure:1958: checking fd_set and sys/select" >&5
cat > conftest.$ac_ext <<EOF
#line 1960 "configure"
#include "confdefs.h"
#include <sys/types.h>
int main() {
fd_set readMask, writeMask;
; return 0; }
EOF
if { (eval echo configure:1967: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  tk_ok=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  tk_ok=no
fi
rm -f conftest*
if test $tk_ok = no; then
    cat > conftest.$ac_ext <<EOF
#line 1979 "configure"
#include "confdefs.h"
#include <sys/select.h>
EOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  egrep "fd_mask" >/dev/null 2>&1; then
  rm -rf conftest*
  tk_ok=yes
fi
rm -f conftest*

    if test $tk_ok = yes; then
	cat >> confdefs.h <<\EOF
#define HAVE_SYS_SELECT_H 1
EOF

    fi
fi
echo "$ac_t""$tk_ok" 1>&6
if test $tk_ok = no; then
    cat >> confdefs.h <<\EOF
#define NO_FD_SET 1
EOF

fi

#------------------------------------------------------------------------------
#       Find out all about time handling differences.
#------------------------------------------------------------------------------

for ac_hdr in sys/time.h
do
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
echo "configure:2013: checking for $ac_hdr" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2018 "configure"
#include "confdefs.h"
#include <$ac_hdr>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:2023: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=yes"
else
  echo "$ac_err" >&5
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  eval "ac_cv_header_$ac_safe=no"
fi
rm -f conftest*
fi
if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
  echo "$ac_t""yes" 1>&6
    ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
  cat >> confdefs.h <<EOF
#define $ac_tr_hdr 1
EOF
 
else
  echo "$ac_t""no" 1>&6
fi
done

echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
echo "configure:2050: checking whether time.h and sys/time.h may both be included" >&5
if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2055 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
int main() {
struct tm *tp;
; return 0; }
EOF
if { (eval echo configure:2064: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_header_time=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_header_time=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_header_time" 1>&6
if test $ac_cv_header_time = yes; then
  cat >> confdefs.h <<\EOF
#define TIME_WITH_SYS_TIME 1
EOF

fi

echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
echo "configure:2085: checking whether struct tm is in sys/time.h or time.h" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2090 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <time.h>
int main() {
struct tm *tp; tp->tm_sec;
; return 0; }
EOF
if { (eval echo configure:2098: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm=time.h
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm=sys/time.h
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_struct_tm" 1>&6
if test $ac_cv_struct_tm = sys/time.h; then
  cat >> confdefs.h <<\EOF
#define TM_IN_SYS_TIME 1
EOF

fi

echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
echo "configure:2119: checking for tm_zone in struct tm" >&5
if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2124 "configure"
#include "confdefs.h"
#include <sys/types.h>
#include <$ac_cv_struct_tm>
int main() {
struct tm tm; tm.tm_zone;
; return 0; }
EOF
if { (eval echo configure:2132: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  ac_cv_struct_tm_zone=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_struct_tm_zone=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_struct_tm_zone" 1>&6
if test "$ac_cv_struct_tm_zone" = yes; then
  cat >> confdefs.h <<\EOF
#define HAVE_TM_ZONE 1
EOF

else
  echo $ac_n "checking for tzname""... $ac_c" 1>&6
echo "configure:2152: checking for tzname" >&5
if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
  echo $ac_n "(cached) $ac_c" 1>&6
else
  cat > conftest.$ac_ext <<EOF
#line 2157 "configure"
#include "confdefs.h"
#include <time.h>
#ifndef tzname /* For SGI.  */
extern char *tzname[]; /* RS6000 and others reject char **tzname.  */
#endif
int main() {
atoi(*tzname);
; return 0; }
EOF
if { (eval echo configure:2167: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
  rm -rf conftest*
  ac_cv_var_tzname=yes
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  ac_cv_var_tzname=no
fi
rm -f conftest*
fi

echo "$ac_t""$ac_cv_var_tzname" 1>&6
  if test $ac_cv_var_tzname = yes; then
    cat >> confdefs.h <<\EOF
#define HAVE_TZNAME 1
EOF

  fi
fi


echo $ac_n "checking tm_tzadj in struct tm""... $ac_c" 1>&6
echo "configure:2190: checking tm_tzadj in struct tm" >&5
cat > conftest.$ac_ext <<EOF
#line 2192 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_tzadj;
; return 0; }
EOF
if { (eval echo configure:2199: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_TZADJ 1
EOF

         echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

echo $ac_n "checking tm_gmtoff in struct tm""... $ac_c" 1>&6
echo "configure:2215: checking tm_gmtoff in struct tm" >&5
cat > conftest.$ac_ext <<EOF
#line 2217 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
struct tm tm; tm.tm_gmtoff;
; return 0; }
EOF
if { (eval echo configure:2224: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TM_GMTOFF 1
EOF

         echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

#
# Its important to include time.h in this check, as some systems (like convex)
# have timezone functions, etc.
#
have_timezone=no
echo $ac_n "checking long timezone variable""... $ac_c" 1>&6
echo "configure:2245: checking long timezone variable" >&5
cat > conftest.$ac_ext <<EOF
#line 2247 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern long timezone;
         timezone += 1;
         exit (0);
; return 0; }
EOF
if { (eval echo configure:2256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  have_timezone=yes
	 cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

         echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*

#
# On some systems (eg IRIX 6.2), timezone is a time_t and not a long.
#
if test "$have_timezone" = no; then
   echo $ac_n "checking time_t timezone variable""... $ac_c" 1>&6
echo "configure:2277: checking time_t timezone variable" >&5
   cat > conftest.$ac_ext <<EOF
#line 2279 "configure"
#include "confdefs.h"
#include <time.h>
int main() {
extern time_t timezone;
         timezone += 1;
         exit (0);
; return 0; }
EOF
if { (eval echo configure:2288: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
  rm -rf conftest*
  cat >> confdefs.h <<\EOF
#define HAVE_TIMEZONE_VAR 1
EOF

         echo "$ac_t""yes" 1>&6
else
  echo "configure: failed program was:" >&5
  cat conftest.$ac_ext >&5
  rm -rf conftest*
  echo "$ac_t""no" 1>&6
fi
rm -f conftest*
fi

#
# AIX does not have a timezone field in struct tm. When the AIX bsd
# library is used, the timezone global and the gettimeofday methods are
# to be a