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'A' + ((c) - 'a') : (c)) #else # define ISLOWER(c) \ (('a' <= (c) && (c) <= 'i') \ || ('j' <= (c) && (c) <= 'r') \ || ('s' <= (c) && (c) <= 'z')) # define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) #endif #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) return 2; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO"; then : else ac_cv_header_stdc=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 $as_echo "$ac_cv_header_stdc" >&6; } if test $ac_cv_header_stdc = yes; then $as_echo "#define STDC_HEADERS 1" >>confdefs.h fi for ac_header in asm/types.h conio.h direct.h dlfcn.h errno.h \ fcntl.h grp.h \ ieeefp.h io.h langinfo.h libintl.h process.h pthread.h \ sched.h shadow.h signal.h stropts.h termios.h \ unistd.h utime.h \ poll.h sys/devpoll.h sys/epoll.h sys/poll.h \ sys/audioio.h sys/xattr.h sys/bsdtty.h sys/event.h sys/file.h sys/ioctl.h \ sys/kern_control.h sys/loadavg.h sys/lock.h sys/mkdev.h sys/modem.h \ sys/param.h sys/random.h sys/select.h sys/sendfile.h sys/socket.h sys/statvfs.h \ sys/stat.h sys/syscall.h sys/sys_domain.h sys/termio.h sys/time.h \ sys/times.h sys/types.h sys/uio.h sys/un.h sys/utsname.h sys/wait.h pty.h \ libutil.h sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \ linux/tipc.h linux/random.h spawn.h util.h alloca.h endian.h \ sys/endian.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done ac_header_dirent=no for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do as_ac_Header=`$as_echo "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh` { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5 $as_echo_n "checking for $ac_hdr that defines DIR... 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As a # work-around, disable LFS on such configurations use_lfs=yes { $as_echo "$as_me:${as_lineno-$LINENO}: checking Solaris LFS bug" >&5 $as_echo_n "checking Solaris LFS bug... 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" >&6; } if ${ac_cv_sizeof_float+:} false; then : $as_echo_n "(cached) " >&6 else if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (float))" "ac_cv_sizeof_float" "$ac_includes_default"; then : else if test "$ac_cv_type_float" = yes; then { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error 77 "cannot compute sizeof (float) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_float=0 fi fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_float" >&5 $as_echo "$ac_cv_sizeof_float" >&6; } cat >>confdefs.h <<_ACEOF #define SIZEOF_FLOAT $ac_cv_sizeof_float _ACEOF # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of double" >&5 $as_echo_n "checking size of double... 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Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char inflateCopy (); int main () { return inflateCopy (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_z_inflateCopy=yes else ac_cv_lib_z_inflateCopy=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflateCopy" >&5 $as_echo "$ac_cv_lib_z_inflateCopy" >&6; } if test "x$ac_cv_lib_z_inflateCopy" = xyes; then : $as_echo "#define HAVE_ZLIB_COPY 1" >>confdefs.h fi case $ac_sys_system/$ac_sys_release in Darwin/*) CFLAGS="${_CUR_CFLAGS}" LDFLAGS="${_CUR_LDFLAGS}" ;; esac { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hstrerror" >&5 $as_echo_n "checking for hstrerror... 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Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ #ifdef __cplusplus extern "C" #endif char openpty (); int main () { return openpty (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_lib_bsd_openpty=yes else ac_cv_lib_bsd_openpty=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_openpty" >&5 $as_echo "$ac_cv_lib_bsd_openpty" >&6; } if test "x$ac_cv_lib_bsd_openpty" = xyes; then : $as_echo "#define HAVE_OPENPTY 1" >>confdefs.h LIBS="$LIBS -lbsd" fi fi fi done for ac_func in forkpty do : ac_fn_c_check_func "$LINENO" "forkpty" "ac_cv_func_forkpty" if test "x$ac_cv_func_forkpty" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_FORKPTY 1 _ACEOF else { $as_echo "$as_me:${as_lineno-$LINENO}: checking for forkpty in -lutil" >&5 $as_echo_n "checking for forkpty in -lutil... " >&6; } if ${ac_cv_lib_util_forkpty+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lutil $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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" >&6; } if ${ac_cv_lib_rt_clock_gettime+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lrt $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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" >&6; } if ${ac_cv_lib_rt_clock_getres+:} false; then : $as_echo_n "(cached) " >&6 else ac_check_lib_save_LIBS=$LIBS LIBS="-lrt $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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" >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include #include int main () { getaddrinfo(NULL, NULL, NULL, NULL); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : have_getaddrinfo=yes else have_getaddrinfo=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_getaddrinfo" >&5 $as_echo "$have_getaddrinfo" >&6; } if test $have_getaddrinfo = yes then { $as_echo "$as_me:${as_lineno-$LINENO}: checking getaddrinfo bug" >&5 $as_echo_n "checking getaddrinfo bug... " >&6; } if ${ac_cv_buggy_getaddrinfo+:} false; then : $as_echo_n "(cached) " >&6 else if test "$cross_compiling" = yes; then : if test "${enable_ipv6+set}" = set; then ac_cv_buggy_getaddrinfo="no -- configured with --(en|dis)able-ipv6" else ac_cv_buggy_getaddrinfo=yes fi else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include #include #include #include int main() { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; char straddr[INET6_ADDRSTRLEN], strport[16]; for (passive = 0; passive <= 1; passive++) { memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; hints.ai_flags = passive ? AI_PASSIVE : 0; hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { (void)gai_strerror(gaierr); goto bad; } for (ai = aitop; ai; ai = ai->ai_next) { if (ai->ai_addr == NULL || ai->ai_addrlen == 0 || getnameinfo(ai->ai_addr, ai->ai_addrlen, straddr, sizeof(straddr), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV) != 0) { goto bad; } switch (ai->ai_family) { case AF_INET: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "0.0.0.0") != 0) { goto bad; } } else { if (strcmp(straddr, "127.0.0.1") != 0) { goto bad; } } inet4++; break; case AF_INET6: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "::") != 0) { goto bad; } } else { if (strcmp(straddr, "::1") != 0) { goto bad; } } inet6++; break; case AF_UNSPEC: goto bad; break; default: /* another family support? */ break; } } freeaddrinfo(aitop); aitop = NULL; } if (!(inet4 == 0 || inet4 == 2)) goto bad; if (!(inet6 == 0 || inet6 == 2)) goto bad; if (aitop) freeaddrinfo(aitop); return 0; bad: if (aitop) freeaddrinfo(aitop); return 1; } _ACEOF if ac_fn_c_try_run "$LINENO"; then : ac_cv_buggy_getaddrinfo=no else ac_cv_buggy_getaddrinfo=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_buggy_getaddrinfo" >&5 $as_echo "$ac_cv_buggy_getaddrinfo" >&6; } if test $have_getaddrinfo = no || test "$ac_cv_buggy_getaddrinfo" = yes then if test $ipv6 = yes then echo 'Fatal: You must get working getaddrinfo() function.' echo ' or you can specify "--disable-ipv6"'. exit 1 fi else $as_echo "#define HAVE_GETADDRINFO 1" >>confdefs.h fi for ac_func in getnameinfo do : ac_fn_c_check_func "$LINENO" "getnameinfo" "ac_cv_func_getnameinfo" if test "x$ac_cv_func_getnameinfo" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_GETNAMEINFO 1 _ACEOF fi done # checks for structures { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5 $as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; } if ${ac_cv_header_time+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main () { if ((struct tm *) 0) return 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_header_time=yes else ac_cv_header_time=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5 $as_echo "$ac_cv_header_time" >&6; } if test $ac_cv_header_time = yes; then $as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5 $as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; } if ${ac_cv_struct_tm+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main () { struct tm tm; int *p = &tm.tm_sec; return !p; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_struct_tm=time.h else ac_cv_struct_tm=sys/time.h fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_tm" >&5 $as_echo "$ac_cv_struct_tm" >&6; } if test $ac_cv_struct_tm = sys/time.h; then $as_echo "#define TM_IN_SYS_TIME 1" >>confdefs.h fi ac_fn_c_check_member "$LINENO" "struct tm" "tm_zone" "ac_cv_member_struct_tm_tm_zone" "#include #include <$ac_cv_struct_tm> " if test "x$ac_cv_member_struct_tm_tm_zone" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_TM_TM_ZONE 1 _ACEOF fi if test "$ac_cv_member_struct_tm_tm_zone" = yes; then $as_echo "#define HAVE_TM_ZONE 1" >>confdefs.h else ac_fn_c_check_decl "$LINENO" "tzname" "ac_cv_have_decl_tzname" "#include " if test "x$ac_cv_have_decl_tzname" = xyes; then : ac_have_decl=1 else ac_have_decl=0 fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_TZNAME $ac_have_decl _ACEOF { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tzname" >&5 $as_echo_n "checking for tzname... " >&6; } if ${ac_cv_var_tzname+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #if !HAVE_DECL_TZNAME extern char *tzname[]; #endif int main () { return tzname[0][0]; ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO"; then : ac_cv_var_tzname=yes else ac_cv_var_tzname=no fi rm -f core conftest.err conftest.$ac_objext \ conftest$ac_exeext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_var_tzname" >&5 $as_echo "$ac_cv_var_tzname" >&6; } if test $ac_cv_var_tzname = yes; then $as_echo "#define HAVE_TZNAME 1" >>confdefs.h fi fi ac_fn_c_check_member "$LINENO" "struct stat" "st_rdev" "ac_cv_member_struct_stat_st_rdev" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_rdev" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_RDEV 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct stat" "st_blksize" "ac_cv_member_struct_stat_st_blksize" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_blksize" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_BLKSIZE 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct stat" "st_flags" "ac_cv_member_struct_stat_st_flags" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_flags" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_FLAGS 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct stat" "st_gen" "ac_cv_member_struct_stat_st_gen" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_gen" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_GEN 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct stat" "st_birthtime" "ac_cv_member_struct_stat_st_birthtime" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_birthtime" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_BIRTHTIME 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct stat" "st_blocks" "ac_cv_member_struct_stat_st_blocks" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_blocks" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_STAT_ST_BLOCKS 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct passwd" "pw_gecos" "ac_cv_member_struct_passwd_pw_gecos" " #include #include " if test "x$ac_cv_member_struct_passwd_pw_gecos" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_PASSWD_PW_GECOS 1 _ACEOF fi ac_fn_c_check_member "$LINENO" "struct passwd" "pw_passwd" "ac_cv_member_struct_passwd_pw_passwd" " #include #include " if test "x$ac_cv_member_struct_passwd_pw_passwd" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_STRUCT_PASSWD_PW_PASSWD 1 _ACEOF fi # Issue #21085: In Cygwin, siginfo_t does not have si_band field. ac_fn_c_check_member "$LINENO" "siginfo_t" "si_band" "ac_cv_member_siginfo_t_si_band" "#include " if test "x$ac_cv_member_siginfo_t_si_band" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_SIGINFO_T_SI_BAND 1 _ACEOF fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for time.h that defines altzone" >&5 $as_echo_n "checking for time.h that defines altzone... " >&6; } if ${ac_cv_header_time_altzone+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { return altzone; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_header_time_altzone=yes else ac_cv_header_time_altzone=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time_altzone" >&5 $as_echo "$ac_cv_header_time_altzone" >&6; } if test $ac_cv_header_time_altzone = yes; then $as_echo "#define HAVE_ALTZONE 1" >>confdefs.h fi was_it_defined=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sys/select.h and sys/time.h may both be included" >&5 $as_echo_n "checking whether sys/select.h and sys/time.h may both be included... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main () { ; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : $as_echo "#define SYS_SELECT_WITH_SYS_TIME 1" >>confdefs.h was_it_defined=yes fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $was_it_defined" >&5 $as_echo "$was_it_defined" >&6; } { $as_echo "$as_me:${as_lineno-$LINENO}: checking for addrinfo" >&5 $as_echo_n "checking for addrinfo... " >&6; } if ${ac_cv_struct_addrinfo+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main () { struct addrinfo a ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_struct_addrinfo=yes else ac_cv_struct_addrinfo=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_addrinfo" >&5 $as_echo "$ac_cv_struct_addrinfo" >&6; } if test $ac_cv_struct_addrinfo = yes; then $as_echo "#define HAVE_ADDRINFO 1" >>confdefs.h fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sockaddr_storage" >&5 $as_echo_n "checking for sockaddr_storage... " >&6; } if ${ac_cv_struct_sockaddr_storage+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ # include # include int main () { struct sockaddr_storage s ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_struct_sockaddr_storage=yes else ac_cv_struct_sockaddr_storage=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_sockaddr_storage" >&5 $as_echo "$ac_cv_struct_sockaddr_storage" >&6; } if test $ac_cv_struct_sockaddr_storage = yes; then $as_echo "#define HAVE_SOCKADDR_STORAGE 1" >>confdefs.h fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sockaddr_alg" >&5 $as_echo_n "checking for sockaddr_alg... " >&6; } if ${ac_cv_struct_sockaddr_alg+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ # include # include # include int main () { struct sockaddr_alg s ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_struct_sockaddr_alg=yes else ac_cv_struct_sockaddr_alg=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_struct_sockaddr_alg" >&5 $as_echo "$ac_cv_struct_sockaddr_alg" >&6; } if test $ac_cv_struct_sockaddr_alg = yes; then $as_echo "#define HAVE_SOCKADDR_ALG 1" >>confdefs.h fi # checks for compiler characteristics { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether char is unsigned" >&5 $as_echo_n "checking whether char is unsigned... " >&6; } if ${ac_cv_c_char_unsigned+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $ac_includes_default int main () { static int test_array [1 - 2 * !(((char) -1) < 0)]; test_array [0] = 0; return test_array [0]; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_c_char_unsigned=no else ac_cv_c_char_unsigned=yes fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_char_unsigned" >&5 $as_echo "$ac_cv_c_char_unsigned" >&6; } if test $ac_cv_c_char_unsigned = yes && test "$GCC" != yes; then $as_echo "#define __CHAR_UNSIGNED__ 1" >>confdefs.h fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 $as_echo_n "checking for an ANSI C-conforming const... " >&6; } if ${ac_cv_c_const+:} false; then : $as_echo_n "(cached) " >&6 else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { #ifndef __cplusplus /* Ultrix mips cc rejects this sort of thing. */ typedef int charset[2]; const charset cs = { 0, 0 }; /* SunOS 4.1.1 cc rejects this. */ char const *const *pcpcc; char **ppc; /* NEC SVR4.0.2 mips cc rejects this. */ struct point {int x, y;}; static struct point const zero = {0,0}; /* AIX XL C 1.02.0.0 rejects this. It does not let you subtract one const X* pointer from another in an arm of an if-expression whose if-part is not a constant expression */ const char *g = "string"; pcpcc = &g + (g ? g-g : 0); /* HPUX 7.0 cc rejects these. */ ++pcpcc; ppc = (char**) pcpcc; pcpcc = (char const *const *) ppc; { /* SCO 3.2v4 cc rejects this sort of thing. */ char tx; char *t = &tx; char const *s = 0 ? (char *) 0 : (char const *) 0; *t++ = 0; if (s) return 0; } { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ int x[] = {25, 17}; const int *foo = &x[0]; ++foo; } { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ typedef const int *iptr; iptr p = 0; ++p; } { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ struct s { int j; const int *ap[3]; } bx; struct s *b = &bx; b->j = 5; } { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ const int foo = 10; if (!foo) return 0; } return !cs[0] && !zero.x; #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : ac_cv_c_const=yes else ac_cv_c_const=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 $as_echo "$ac_cv_c_const" >&6; } if test $ac_cv_c_const = no; then $as_echo "#define const /**/" >>confdefs.h fi works=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working volatile" >&5 $as_echo_n "checking for working volatile... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { volatile int x; x = 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : works=yes else $as_echo "#define volatile /**/" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $works" >&5 $as_echo "$works" >&6; } works=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working signed char" >&5 $as_echo_n "checking for working signed char... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { signed char c; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : works=yes else $as_echo "#define signed /**/" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $works" >&5 $as_echo "$works" >&6; } have_prototypes=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking for prototypes" >&5 $as_echo_n "checking for prototypes... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int foo(int x) { return 0; } int main () { return foo(10); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : $as_echo "#define HAVE_PROTOTYPES 1" >>confdefs.h have_prototypes=yes fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_prototypes" >&5 $as_echo "$have_prototypes" >&6; } works=no { $as_echo "$as_me:${as_lineno-$LINENO}: checking for variable length prototypes and stdarg.h" >&5 $as_echo_n "checking for variable length prototypes and stdarg.h... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int foo(int x, ...) { va_list va; va_start(va, x); va_arg(va, int); va_arg(va, char *); va_arg(va, double); return 0; } int main () { return foo(10, "", 3.14); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : $as_echo "#define HAVE_STDARG_PROTOTYPES 1" >>confdefs.h works=yes fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext { $as_echo "$as_me:${as_lineno-$LINENO}: result: $works" >&5 $as_echo "$works" >&6; } # check for socketpair { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socketpair" >&5 $as_echo_n "checking for socketpair... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main () { void *x=socketpair ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : $as_echo "#define HAVE_SOCKETPAIR 1" >>confdefs.h { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext # check if sockaddr has sa_len member { $as_echo "$as_me:${as_lineno-$LINENO}: checking if sockaddr has sa_len member" >&5 $as_echo_n "checking if sockaddr has sa_len member... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main () { struct sockaddr x; x.sa_len = 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 $as_echo "yes" >&6; } $as_echo "#define HAVE_SOCKADDR_SA_LEN 1" >>confdefs.h else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-( ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r" if test "x$ac_cv_func_gethostbyname_r" = xyes; then : $as_echo "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h { $as_echo "$as_me:${as_lineno-$LINENO}: checking gethostbyname_r with 6 args" >&5 $as_echo_n "checking gethostbyname_r with 6 args... 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