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HAVE_INET_PTON will only be defined when an IPv6 capable working

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inet_pton function is available.
This commit is contained in:
Yang Tse 2008-09-24 19:13:01 +00:00
parent 267b942383
commit 4d437416da
13 changed files with 336 additions and 61 deletions
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1
ares/Makefile.netware
View File

@ -310,7 +310,6 @@ else
@echo $(DL)#define HAVE_DLOPEN 1$(DL) >> $@ @echo $(DL)#define HAVE_DLOPEN 1$(DL) >> $@
@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@ @echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@ @echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
@echo $(DL)#define HAVE_INET_PTON 1$(DL) >> $@
@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@ @echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@ @echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@ @echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@

30
ares/configure.ac
View File

@ -661,6 +661,7 @@ CURL_CHECK_MSG_NOSIGNAL
CARES_CHECK_FUNC_GETHOSTNAME CARES_CHECK_FUNC_GETHOSTNAME
CARES_CHECK_FUNC_GETSERVBYPORT_R CARES_CHECK_FUNC_GETSERVBYPORT_R
CARES_CHECK_FUNC_INET_NTOP CARES_CHECK_FUNC_INET_NTOP
CARES_CHECK_FUNC_INET_PTON
CARES_CHECK_FUNC_STRCASECMP CARES_CHECK_FUNC_STRCASECMP
CARES_CHECK_FUNC_STRCMPI CARES_CHECK_FUNC_STRCMPI
CARES_CHECK_FUNC_STRDUP CARES_CHECK_FUNC_STRDUP
@ -860,35 +861,6 @@ AC_CHECK_FUNCS([bitncmp \
]) ])
dnl check for inet_pton
AC_CHECK_FUNCS(inet_pton)
dnl Some systems have it, but not IPv6
if test "$ac_cv_func_inet_pton" = "yes" ; then
AC_MSG_CHECKING(if inet_pton supports IPv6)
AC_TRY_RUN(
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
int main()
{
struct in6_addr addr6;
if (inet_pton(AF_INET6, "::1", &addr6) < 1)
exit(1);
else
exit(0);
}
], [
AC_MSG_RESULT(yes)
AC_DEFINE_UNQUOTED(HAVE_INET_PTON_IPV6,1,[Define to 1 if inet_pton supports IPv6.])
], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
fi
dnl Check for inet_net_pton dnl Check for inet_net_pton
AC_CHECK_FUNCS(inet_net_pton) AC_CHECK_FUNCS(inet_net_pton)
dnl Again, some systems have it, but not IPv6 dnl Again, some systems have it, but not IPv6

5
ares/inet_net_pton.c
View File

@ -46,8 +46,7 @@
#include "ares_ipv6.h" #include "ares_ipv6.h"
#include "inet_net_pton.h" #include "inet_net_pton.h"
#if !defined(HAVE_INET_NET_PTON) || !defined(HAVE_INET_NET_PTON_IPV6) || \ #if !defined(HAVE_INET_NET_PTON) || !defined(HAVE_INET_NET_PTON_IPV6)
!defined(HAVE_INET_PTON) || !defined(HAVE_INET_PTON_IPV6)
/* /*
* static int * static int
@ -424,7 +423,7 @@ ares_inet_net_pton(int af, const char *src, void *dst, size_t size)
#endif #endif
#if !defined(HAVE_INET_PTON) || !defined(HAVE_INET_PTON_IPV6) #ifndef HAVE_INET_PTON
int ares_inet_pton(int af, const char *src, void *dst) int ares_inet_pton(int af, const char *src, void *dst)
{ {
int size, result; int size, result;

2
ares/inet_net_pton.h
View File

@ -18,7 +18,7 @@
* without express or implied warranty. * without express or implied warranty.
*/ */
#if defined(HAVE_INET_PTON) && defined(HAVE_INET_PTON_IPV6) #ifdef HAVE_INET_PTON
#define ares_inet_pton(x,y,z) inet_pton(x,y,z) #define ares_inet_pton(x,y,z) inet_pton(x,y,z)
#else #else
int ares_inet_pton(int af, const char *src, void *dst); int ares_inet_pton(int af, const char *src, void *dst);

161
ares/m4/cares-functions.m4
View File

@ -552,6 +552,167 @@ AC_DEFUN([CARES_CHECK_FUNC_INET_NTOP], [
]) ])
dnl CARES_CHECK_FUNC_INET_PTON
dnl -------------------------------------------------
dnl Verify if inet_pton is available, prototyped, can
dnl be compiled and seems to work. If all of these are
dnl true, and usage has not been previously disallowed
dnl with shell variable cares_disallow_inet_pton, then
dnl HAVE_INET_PTON will be defined.
AC_DEFUN([CARES_CHECK_FUNC_INET_PTON], [
AC_REQUIRE([CARES_INCLUDES_ARPA_INET])dnl
AC_REQUIRE([CARES_INCLUDES_STRING])dnl
#
tst_links_inet_pton="unknown"
tst_proto_inet_pton="unknown"
tst_compi_inet_pton="unknown"
tst_works_inet_pton="unknown"
tst_allow_inet_pton="unknown"
#
AC_MSG_CHECKING([if inet_pton can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([inet_pton])
],[
AC_MSG_RESULT([yes])
tst_links_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_links_inet_pton="no"
])
#
if test "$tst_links_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is prototyped])
AC_EGREP_CPP([inet_pton],[
$cares_includes_arpa_inet
],[
AC_MSG_RESULT([yes])
tst_proto_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_proto_inet_pton="no"
])
fi
#
if test "$tst_proto_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_arpa_inet
]],[[
if(0 != inet_pton(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_compi_inet_pton="no"
])
fi
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$tst_compi_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton seems to work])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
$cares_includes_arpa_inet
$cares_includes_string
]],[[
unsigned char ipv6a[26];
unsigned char ipv4a[5];
const char *ipv6src = "fe80::214:4fff:fe0b:76c8";
const char *ipv4src = "192.168.100.1";
/* - */
memset(ipv4a, 1, sizeof(ipv4a));
if(1 != inet_pton(AF_INET, ipv4src, ipv4a))
exit(1); /* fail */
/* - */
if( (ipv4a[0] != 0xc0) ||
(ipv4a[1] != 0xa8) ||
(ipv4a[2] != 0x64) ||
(ipv4a[3] != 0x01) ||
(ipv4a[4] != 0x01) )
exit(1); /* fail */
/* - */
memset(ipv6a, 1, sizeof(ipv6a));
if(1 != inet_pton(AF_INET6, ipv6src, ipv6a))
exit(1); /* fail */
/* - */
ipv6res[0] = '\0';
memset(ipv6a, 0, sizeof(ipv6a));
if( (ipv6a[0] != 0xfe) ||
(ipv6a[1] != 0x80) ||
(ipv6a[8] != 0x02) ||
(ipv6a[9] != 0x14) ||
(ipv6a[10] != 0x4f) ||
(ipv6a[11] != 0xff) ||
(ipv6a[12] != 0xfe) ||
(ipv6a[13] != 0x0b) ||
(ipv6a[14] != 0x76) ||
(ipv6a[15] != 0xc8) ||
(ipv6a[25] != 0x01) )
exit(1); /* fail */
/* - */
if( (ipv6a[2] != 0x0) ||
(ipv6a[3] != 0x0) ||
(ipv6a[4] != 0x0) ||
(ipv6a[5] != 0x0) ||
(ipv6a[6] != 0x0) ||
(ipv6a[7] != 0x0) ||
(ipv6a[16] != 0x0) ||
(ipv6a[17] != 0x0) ||
(ipv6a[18] != 0x0) ||
(ipv6a[19] != 0x0) ||
(ipv6a[20] != 0x0) ||
(ipv6a[21] != 0x0) ||
(ipv6a[22] != 0x0) ||
(ipv6a[23] != 0x0) ||
(ipv6a[24] != 0x0) )
exit(1); /* fail */
/* - */
exit(0);
]])
],[
AC_MSG_RESULT([yes])
tst_works_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_works_inet_pton="no"
])
fi
#
if test "$tst_compi_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_CHECKING([if inet_pton usage allowed])
if test "x$cares_disallow_inet_pton" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_inet_pton="yes"
else
AC_MSG_RESULT([no])
tst_allow_inet_pton="no"
fi
fi
#
AC_MSG_CHECKING([if inet_pton might be used])
if test "$tst_links_inet_pton" = "yes" &&
test "$tst_proto_inet_pton" = "yes" &&
test "$tst_compi_inet_pton" = "yes" &&
test "$tst_allow_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_INET_PTON, 1,
[Define to 1 if you have a IPv6 capable working inet_pton function.])
ac_cv_func_inet_pton="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_inet_pton="no"
fi
])
dnl CARES_CHECK_FUNC_STRCASECMP dnl CARES_CHECK_FUNC_STRCASECMP
dnl ------------------------------------------------- dnl -------------------------------------------------
dnl Verify if strcasecmp is available, prototyped, and dnl Verify if strcasecmp is available, prototyped, and

11
configure.ac
View File

@ -2077,6 +2077,7 @@ CURL_CHECK_FUNC_GETSERVBYPORT_R
CURL_CHECK_FUNC_GMTIME_R CURL_CHECK_FUNC_GMTIME_R
CURL_CHECK_FUNC_INET_NTOA_R CURL_CHECK_FUNC_INET_NTOA_R
CURL_CHECK_FUNC_INET_NTOP CURL_CHECK_FUNC_INET_NTOP
CURL_CHECK_FUNC_INET_PTON
CURL_CHECK_FUNC_LOCALTIME_R CURL_CHECK_FUNC_LOCALTIME_R
CURL_CHECK_FUNC_SIGACTION CURL_CHECK_FUNC_SIGACTION
CURL_CHECK_FUNC_STRCASECMP CURL_CHECK_FUNC_STRCASECMP
@ -2118,7 +2119,6 @@ AC_CHECK_FUNCS([basename \
getrlimit \ getrlimit \
gettimeofday \ gettimeofday \
inet_addr \ inet_addr \
inet_pton \
perror \ perror \
pipe \ pipe \
poll \ poll \
@ -2186,15 +2186,6 @@ AC_CHECK_DECL(basename, ,
#endif #endif
) )
AC_CHECK_DECL(inet_pton, ,
AC_DEFINE(HAVE_NO_INET_PTON_PROTO, 1,
[Defined if no inet_pton() prototype available]),
[
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
]
)
dnl Check if the getnameinfo function is available dnl Check if the getnameinfo function is available
dnl and get the types of five of its arguments. dnl and get the types of five of its arguments.

1
lib/Makefile.netware
View File

@ -404,7 +404,6 @@ else
@echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@ @echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@
@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@ @echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@ @echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
@echo $(DL)#define HAVE_INET_PTON 1$(DL) >> $@
@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@ @echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@ @echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@ @echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@

10
lib/config-symbian.h
View File

@ -222,8 +222,11 @@
/* Define to 1 if you have the `inet_addr' function. */ /* Define to 1 if you have the `inet_addr' function. */
/*#define HAVE_INET_ADDR 1*/ /*#define HAVE_INET_ADDR 1*/
/* Define to 1 if you have the `inet_pton' function. */ /* Define to 1 if you have a IPv6 capable working inet_ntop function. */
#define HAVE_INET_PTON 1 /*#define HAVE_INET_NTOP 1*/
/* Define to 1 if you have a IPv6 capable working inet_pton function. */
/*#define HAVE_INET_PTON 1*/
/* Define to 1 if you have the <inttypes.h> header file. */ /* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1 #define HAVE_INTTYPES_H 1
@ -330,9 +333,6 @@
/* Define to 1 if NI_WITHSCOPEID exists and works. */ /* Define to 1 if NI_WITHSCOPEID exists and works. */
/*#define HAVE_NI_WITHSCOPEID 1*/ /*#define HAVE_NI_WITHSCOPEID 1*/
/* Defined if no inet_pton() prototype available */
/* #undef HAVE_NO_INET_PTON_PROTO */
/* we have no strerror_r() proto */ /* we have no strerror_r() proto */
/* #undef HAVE_NO_STRERROR_R_DECL */ /* #undef HAVE_NO_STRERROR_R_DECL */

8
lib/config-tpf.h
View File

@ -208,7 +208,10 @@
/* Define to 1 if you have the `inet_addr' function. */ /* Define to 1 if you have the `inet_addr' function. */
#define HAVE_INET_ADDR 1 #define HAVE_INET_ADDR 1
/* Define to 1 if you have the `inet_pton' function. */ /* Define to 1 if you have a IPv6 capable working inet_ntop function. */
/* #undef HAVE_INET_NTOP */
/* Define to 1 if you have a IPv6 capable working inet_pton function. */
/* #undef HAVE_INET_PTON */ /* #undef HAVE_INET_PTON */
/* Define to 1 if you have the <inttypes.h> header file. */ /* Define to 1 if you have the <inttypes.h> header file. */
@ -290,9 +293,6 @@
/* Define if NI_WITHSCOPEID exists and works */ /* Define if NI_WITHSCOPEID exists and works */
/* #undef HAVE_NI_WITHSCOPEID */ /* #undef HAVE_NI_WITHSCOPEID */
/* Defined if no inet_pton() prototype available */
/* #undef HAVE_NO_INET_PTON_PROTO */
/* we have no strerror_r() proto */ /* we have no strerror_r() proto */
/* #undef HAVE_NO_STRERROR_R_DECL */ /* #undef HAVE_NO_STRERROR_R_DECL */

1
lib/config.dos
View File

@ -24,7 +24,6 @@
#define HAVE_GETTIMEOFDAY 1 #define HAVE_GETTIMEOFDAY 1
#define HAVE_IO_H 1 #define HAVE_IO_H 1
#define HAVE_IOCTLSOCKET 1 #define HAVE_IOCTLSOCKET 1
#define HAVE_INET_PTON 1
#define HAVE_LOCALE_H 1 #define HAVE_LOCALE_H 1
#define HAVE_LONGLONG 1 #define HAVE_LONGLONG 1
#define HAVE_MEMORY_H 1 #define HAVE_MEMORY_H 1

5
lib/inet_pton.h
View File

@ -28,11 +28,6 @@
int Curl_inet_pton(int, const char *, void *); int Curl_inet_pton(int, const char *, void *);
#ifdef HAVE_INET_PTON #ifdef HAVE_INET_PTON
#if defined(HAVE_NO_INET_PTON_PROTO)
int inet_pton(int af, const char *src, void *dst);
#endif
#ifdef HAVE_ARPA_INET_H #ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h> #include <arpa/inet.h>
#endif #endif

161
m4/curl-functions.m4
View File

@ -1427,6 +1427,167 @@ AC_DEFUN([CURL_CHECK_FUNC_INET_NTOP], [
]) ])
dnl CURL_CHECK_FUNC_INET_PTON
dnl -------------------------------------------------
dnl Verify if inet_pton is available, prototyped, can
dnl be compiled and seems to work. If all of these are
dnl true, and usage has not been previously disallowed
dnl with shell variable curl_disallow_inet_pton, then
dnl HAVE_INET_PTON will be defined.
AC_DEFUN([CURL_CHECK_FUNC_INET_PTON], [
AC_REQUIRE([CURL_INCLUDES_ARPA_INET])dnl
AC_REQUIRE([CURL_INCLUDES_STRING])dnl
#
tst_links_inet_pton="unknown"
tst_proto_inet_pton="unknown"
tst_compi_inet_pton="unknown"
tst_works_inet_pton="unknown"
tst_allow_inet_pton="unknown"
#
AC_MSG_CHECKING([if inet_pton can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([inet_pton])
],[
AC_MSG_RESULT([yes])
tst_links_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_links_inet_pton="no"
])
#
if test "$tst_links_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is prototyped])
AC_EGREP_CPP([inet_pton],[
$curl_includes_arpa_inet
],[
AC_MSG_RESULT([yes])
tst_proto_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_proto_inet_pton="no"
])
fi
#
if test "$tst_proto_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_arpa_inet
]],[[
if(0 != inet_pton(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_compi_inet_pton="no"
])
fi
#
dnl only do runtime verification when not cross-compiling
if test "x$cross_compiling" != "xyes" &&
test "$tst_compi_inet_pton" = "yes"; then
AC_MSG_CHECKING([if inet_pton seems to work])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_arpa_inet
$curl_includes_string
]],[[
unsigned char ipv6a[26];
unsigned char ipv4a[5];
const char *ipv6src = "fe80::214:4fff:fe0b:76c8";
const char *ipv4src = "192.168.100.1";
/* - */
memset(ipv4a, 1, sizeof(ipv4a));
if(1 != inet_pton(AF_INET, ipv4src, ipv4a))
exit(1); /* fail */
/* - */
if( (ipv4a[0] != 0xc0) ||
(ipv4a[1] != 0xa8) ||
(ipv4a[2] != 0x64) ||
(ipv4a[3] != 0x01) ||
(ipv4a[4] != 0x01) )
exit(1); /* fail */
/* - */
memset(ipv6a, 1, sizeof(ipv6a));
if(1 != inet_pton(AF_INET6, ipv6src, ipv6a))
exit(1); /* fail */
/* - */
ipv6res[0] = '\0';
memset(ipv6a, 0, sizeof(ipv6a));
if( (ipv6a[0] != 0xfe) ||
(ipv6a[1] != 0x80) ||
(ipv6a[8] != 0x02) ||
(ipv6a[9] != 0x14) ||
(ipv6a[10] != 0x4f) ||
(ipv6a[11] != 0xff) ||
(ipv6a[12] != 0xfe) ||
(ipv6a[13] != 0x0b) ||
(ipv6a[14] != 0x76) ||
(ipv6a[15] != 0xc8) ||
(ipv6a[25] != 0x01) )
exit(1); /* fail */
/* - */
if( (ipv6a[2] != 0x0) ||
(ipv6a[3] != 0x0) ||
(ipv6a[4] != 0x0) ||
(ipv6a[5] != 0x0) ||
(ipv6a[6] != 0x0) ||
(ipv6a[7] != 0x0) ||
(ipv6a[16] != 0x0) ||
(ipv6a[17] != 0x0) ||
(ipv6a[18] != 0x0) ||
(ipv6a[19] != 0x0) ||
(ipv6a[20] != 0x0) ||
(ipv6a[21] != 0x0) ||
(ipv6a[22] != 0x0) ||
(ipv6a[23] != 0x0) ||
(ipv6a[24] != 0x0) )
exit(1); /* fail */
/* - */
exit(0);
]])
],[
AC_MSG_RESULT([yes])
tst_works_inet_pton="yes"
],[
AC_MSG_RESULT([no])
tst_works_inet_pton="no"
])
fi
#
if test "$tst_compi_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_CHECKING([if inet_pton usage allowed])
if test "x$curl_disallow_inet_pton" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_inet_pton="yes"
else
AC_MSG_RESULT([no])
tst_allow_inet_pton="no"
fi
fi
#
AC_MSG_CHECKING([if inet_pton might be used])
if test "$tst_links_inet_pton" = "yes" &&
test "$tst_proto_inet_pton" = "yes" &&
test "$tst_compi_inet_pton" = "yes" &&
test "$tst_allow_inet_pton" = "yes" &&
test "$tst_works_inet_pton" != "no"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_INET_PTON, 1,
[Define to 1 if you have a IPv6 capable working inet_pton function.])
ac_cv_func_inet_pton="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_inet_pton="no"
fi
])
dnl CURL_CHECK_FUNC_LOCALTIME_R dnl CURL_CHECK_FUNC_LOCALTIME_R
dnl ------------------------------------------------- dnl -------------------------------------------------
dnl Verify if localtime_r is available, prototyped, can dnl Verify if localtime_r is available, prototyped, can

1
src/Makefile.netware
View File

@ -392,7 +392,6 @@ else
@echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@ @echo $(DL)#define OS "i586-pc-libc-NetWare"$(DL) >> $@
@echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@ @echo $(DL)#define HAVE_FTRUNCATE 1$(DL) >> $@
@echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@ @echo $(DL)#define HAVE_GETTIMEOFDAY 1$(DL) >> $@
@echo $(DL)#define HAVE_INET_PTON 1$(DL) >> $@
@echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@ @echo $(DL)#define HAVE_INTTYPES_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@ @echo $(DL)#define HAVE_LIMITS_H 1$(DL) >> $@
@echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@ @echo $(DL)#define HAVE_LONGLONG 1$(DL) >> $@