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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
dnl
dnl Copyright 1998 - 2003 Double Precision, Inc. See COPYING for
dnl distribution information.
AC_INIT(librfc1035, 0.10, [[email protected]])
>confdefs.h # Kill PACKAGE_ macros
AC_CONFIG_SRCDIR(rfc1035.h)
AC_CONFIG_AUX_DIR(../..)
AM_INIT_AUTOMAKE([foreign no-define])
AC_CONFIG_HEADERS(config.h)
dnl Checks for programs.
AC_PROG_AWK
AC_PROG_CC
AC_PROG_CC_C99
AC_PROG_INSTALL
AC_PROG_LN_S
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
dnl Checks for libraries.
PKG_CHECK_MODULES(LIBIDN, libidn >= 0.0.0, [libidn=yes], [libidn=no])
if test "$libidn" = "no"
then
AC_MSG_ERROR(libidn not found)
fi
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(sys/types.h sys/time.h unistd.h arpa/inet.h netinet/in.h)
USENSL=no
saveLIBS="$LIBS"
AC_CHECK_LIB(socket,socket,result=yes,result=no)
if test $result = yes; then
NETLIBS="-lsocket"
else
AC_CHECK_LIB(socket,socket,result=yes,result=no,-lnsl)
if test $result = yes; then
NETLIBS = "-lsocket -lnsl"
USENSL=yes
else
AC_CHECK_LIB(socket,connect,result=yes,result=no)
if test $result = yes; then
NETLIBS="-lsocket"
else
AC_CHECK_LIB(socket,connect,result=yes,result=no,-lnsl)
if test $result = yes; then
NETLIBS="-lsocket -lnsl"
USENSL=yes
fi
fi
fi
fi
if test $USENSL != yes; then
LIBS="$LIBS $NETLIBS"
AC_TRY_LINK_FUNC(inet_addr, [ : ],
[
AC_CHECK_LIB(nsl,inet_addr,result=yes,result=no)
if test $result = yes; then
NETLIBS="$NETLIBS -lnsl"
fi
])
fi
LIBS="$saveLIBS $NETLIBS"
AC_CHECK_LIB(socket,socket)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_HEADER_TIME
AC_SYS_LARGEFILE
AC_ARG_WITH(int32,
[ --with-int32='type' use 'type' for an unsigned 32 bit integer type
( default is 'unsigned')],
int32="$withval", [
AC_MSG_CHECKING(for uint32_t)
AC_TRY_COMPILE([
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
],[
uint32_t i=0;
], [ AC_MSG_RESULT(yes) ; int32="uint32_t"], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING(for u_int_32_t)
AC_TRY_COMPILE([
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
],[
u_int32_t i=0;
], [AC_MSG_RESULT(yes); int32="u_int32_t"],[
AC_MSG_RESULT(no)
AC_CHECK_SIZEOF(unsigned, 0)
if test "$ac_cv_sizeof_unsigned" != 4
then
AC_CHECK_SIZEOF(unsigned long, 0)
if test "$ac_cv_sizeof_unsigned_long" != 4
then
AC_CHECK_SIZEOF(unsigned short, 0)
if test "$ac_cv_sizeof_unsigned_short" != 4
then
AC_ERROR(--with-int32 option is required)
fi
int32="unsigned short"
fi
int32="unsigned long"
else
int32="unsigned"
fi
])
])
]
)
UINT32="$int32"
AC_ARG_WITH(int16,
[ --with-int16='type' use 'type' for an unsigned 16 bit integer type
( default is 'unsigned')],
int16="$withval", [
AC_MSG_CHECKING(for uint16_t)
AC_TRY_COMPILE([
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
],[
uint16_t i=0;
], [ AC_MSG_RESULT(yes) ; int16="uint16_t"], [
AC_MSG_RESULT(no)
AC_MSG_CHECKING(for u_int_16_t)
AC_TRY_COMPILE([
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
],[
u_int16_t i=0;
], [AC_MSG_RESULT(yes); int16="u_int16_t"],[
AC_MSG_RESULT(no)
AC_CHECK_SIZEOF(unsigned, 0)
if test "$ac_cv_sizeof_unsigned" != 4
then
AC_CHECK_SIZEOF(unsigned long, 0)
if test "$ac_cv_sizeof_unsigned_long" != 4
then
AC_CHECK_SIZEOF(unsigned short, 0)
if test "$ac_cv_sizeof_unsigned_short" != 4
then
AC_ERROR(--with-int16 option is required)
fi
int16="unsigned short"
fi
int16="unsigned long"
else
int16="unsigned"
fi
])
])
]
)
UINT16="$int16"
AC_CACHE_CHECK([for socklen_t],
courier_cv_hassocklen_t,
AC_COMPILE_IFELSE([
AC_LANG_SOURCE( [
#include <sys/types.h>
#include <sys/socket.h>
socklen_t sl_t;
],[
accept(0, 0, &sl_t);
])],
courier_cv_hassocklen_t=yes,
courier_cv_hassocklen_t=no)
)
socklen_t="int"
if test $courier_cv_hassocklen_t = yes
then
:
else
AC_DEFINE_UNQUOTED(socklen_t, int, [ Default definition for socklen_t ])
fi
dnl Checks for library functions.
AC_CHECK_FUNCS(strcasecmp)
dnl Other checks
if test "$GCC" = "yes"
then
CFLAGS="$CFLAGS -Wall"
fi
CFLAGS="$CFLAGS -I$srcdir/.. -I.."
dnl Check for IPv6 support
AC_CACHE_CHECK([for structs in6_addr, sockaddr_in6, and sockaddr_storage],
rfc1035_cv_hasipv6structs,
AC_TRY_COMPILE( [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
], [
struct in6_addr in6a;
struct sockaddr_in6 sain6;
struct sockaddr_storage soas;
int x=PF_INET6;
], rfc1035_cv_hasipv6structs=yes,
rfc1035_cv_hasipv6structs=no )
)
changequote()
LB='['
RB=']'
changequote([,])
AC_CACHE_CHECK([for IPv6 flavor],
rfc1035_cv_ipv6flavor,
if test "$rfc1035_cv_hasipv6structs" = no
then
rfc1035_cv_ipv6flavor=none
else
AC_TRY_COMPILE( [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
] , [
struct in6_addr in6a;
in6a.s6_addr16 $LB 0 $RB =0;
in6a.s6_addr32 $LB 0 $RB =0;
],
rfc1035_cv_ipv6flavor="glibc (default)",
AC_TRY_COMPILE( [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
], [
struct in6_addr in6a;
in6a.__u6_addr.__u6_addr16 $LB 0 $RB =0;
in6a.__u6_addr.__u6_addr32 $LB 0 $RB =0;
],
rfc1035_cv_ipv6flavor="freebsd-4.0",
AC_TRY_COMPILE( [
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
], [
struct in6_addr in6a;
in6a._S6_un._S6_u8 $LB 0 $RB = 0;
in6a._S6_un._S6_u32 $LB 0 $RB = 0;
],
rfc1035_cv_ipv6flavor="solaris8",
rfc1035_cv_ipv6flavor="unknown"
)
)
)
fi
)
RFC1035_FREEBSD40=0
if test "$rfc1035_cv_ipv6flavor" = "freebsd-4.0"
then
RFC1035_FREEBSD40=1
AC_DEFINE_UNQUOTED(RFC1035_FREEBSD40,1,
[ Whether IPv6 support is FreeBSD-4.0 style ])
fi
AC_SUBST(RFC1035_FREEBSD40)
RFC1035_SOLARIS8=0
if test "$rfc1035_cv_ipv6flavor" = "solaris8"
then
RFC1035_SOLARIS8=1
AC_DEFINE_UNQUOTED(RFC1035_SOLARIS8,1,
[ Whether IPv6 support is Solaris style ])
fi
AC_SUBST(RFC1035_SOLARIS8)
AC_CACHE_CHECK([for SIOCGIFCONF],
rfc1035_cv_siocgifconf,
AC_TRY_COMPILE( [
#include <sys/types.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <unistd.h>
] , [
struct ifreq ifreq_buf;
struct ifconf ifc;
ifc.ifc_len=sizeof(ifreq_buf);
ifc.ifc_req=&ifreq_buf;
ioctl(0, SIOCGIFCONF, &ifc);
], rfc1035_cv_siocgifconf=yes, rfc1035_cv_siocgifconf=no)
)
if test "$rfc1035_cv_siocgifconf" = "yes"
then
AC_DEFINE_UNQUOTED(HAVE_SIOCGIFCONF,1,
[ Whether SIOCGIFCONF ioctl is available ])
fi
AC_CACHE_CHECK([for alloca],
rfc1035_cv_alloca,
AC_TRY_COMPILE( [
#include <stdio.h>
#include <stdlib.h>
], [
char *p=(char *)alloca(10);
], rfc1035_cv_alloca=yes,
rfc1035_cv_alloca,=no )
)
ipv6=0
if test "$rfc1035_cv_hasipv6structs$rfc1035_cv_alloca" = yesyes
then
if test "$rfc1035_cv_ipv6flavor" != "unknown"
then
AC_CHECK_FUNC(inet_pton, [
AC_CHECK_FUNC(inet_ntop, ipv6=1)
]
)
fi
fi
AC_ARG_WITH(ipv6, [ --without-ipv6 Disable IPv6 support],
[
case $withval in
y*|Y*)
if test "$ipv6" = 0
then
AC_MSG_ERROR(IPv6 support not available)
fi
;;
*)
ipv6=0
;;
esac
]
)
RFC1035_IPV6="$ipv6"
AC_DEFINE_UNQUOTED(RFC1035_UINT32, $UINT32, [ 32bit datatype ])
AC_DEFINE_UNQUOTED(RFC1035_UINT16, $UINT16, [ 16bit datatype ])
AC_DEFINE_UNQUOTED(RFC1035_IPV6, $RFC1035_IPV6,
[ Whether IPv6 support is enabled ])
AC_OUTPUT(Makefile)