287 lines
8.3 KiB
Text
287 lines
8.3 KiB
Text
AC_DEFUN([TYPE_SOCKLEN_T],
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[
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AC_CHECK_TYPE([socklen_t], ,[
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AC_MSG_CHECKING([for socklen_t equivalent])
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AC_CACHE_VAL([curl_cv_socklen_t_equiv],
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[
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# Systems have either "struct sockaddr *" or
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# "void *" as the second argument to getpeername
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curl_cv_socklen_t_equiv=
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for arg2 in "struct sockaddr" void; do
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for t in int size_t unsigned long "unsigned long"; do
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AC_TRY_COMPILE([
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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int getpeername (int, $arg2 *, $t *);
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],[
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$t len;
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getpeername(0,0,&len);
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],[
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curl_cv_socklen_t_equiv="$t"
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break
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])
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done
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done
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if test "x$curl_cv_socklen_t_equiv" = x; then
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AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
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fi
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])
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AC_MSG_RESULT($curl_cv_socklen_t_equiv)
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AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
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[type to use in place of socklen_t if not defined])],
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[#include <sys/types.h>
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#include <sys/socket.h>])
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])
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dnl Check for in_addr_t: it is used to receive the return code of inet_addr()
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dnl and a few other things. If not found, we set it to unsigned int, as even
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dnl 64-bit implementations use to set it to a 32-bit type.
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AC_DEFUN([TYPE_IN_ADDR_T],
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[
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AC_CHECK_TYPE([in_addr_t], ,[
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AC_MSG_CHECKING([for in_addr_t equivalent])
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AC_CACHE_VAL([curl_cv_in_addr_t_equiv],
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[
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curl_cv_in_addr_t_equiv=
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for t in "unsigned long" int size_t unsigned long; do
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AC_TRY_COMPILE([
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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],[
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$t data = inet_addr ("1.2.3.4");
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],[
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curl_cv_in_addr_t_equiv="$t"
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break
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])
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done
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if test "x$curl_cv_in_addr_t_equiv" = x; then
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AC_MSG_ERROR([Cannot find a type to use in place of in_addr_t])
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fi
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])
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AC_MSG_RESULT($curl_cv_in_addr_t_equiv)
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AC_DEFINE_UNQUOTED(in_addr_t, $curl_cv_in_addr_t_equiv,
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[type to use in place of in_addr_t if not defined])],
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[#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>])
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])
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AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],
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[
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AC_MSG_CHECKING([non-blocking sockets style])
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AC_TRY_COMPILE([
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/* headers for O_NONBLOCK test */
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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],[
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/* try to compile O_NONBLOCK */
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#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
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# if defined(__SVR4) || defined(__srv4__)
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# define PLATFORM_SOLARIS
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# else
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# define PLATFORM_SUNOS4
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# endif
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#endif
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#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX4)
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# define PLATFORM_AIX_V3
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#endif
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#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)
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#error "O_NONBLOCK does not work on this platform"
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#endif
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int socket;
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int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
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],[
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dnl the O_NONBLOCK test was fine
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nonblock="O_NONBLOCK"
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AC_DEFINE(HAVE_O_NONBLOCK, 1, [use O_NONBLOCK for non-blocking sockets])
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],[
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dnl the code was bad, try a different program now, test 2
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AC_TRY_COMPILE([
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/* headers for FIONBIO test */
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#include <unistd.h>
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#include <stropts.h>
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],[
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/* FIONBIO source test (old-style unix) */
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int socket;
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int flags = ioctl(socket, FIONBIO, &flags);
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],[
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dnl FIONBIO test was good
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nonblock="FIONBIO"
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AC_DEFINE(HAVE_FIONBIO, 1, [use FIONBIO for non-blocking sockets])
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],[
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dnl FIONBIO test was also bad
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dnl the code was bad, try a different program now, test 3
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AC_TRY_COMPILE([
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/* headers for ioctlsocket test (cygwin?) */
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#include <windows.h>
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],[
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/* ioctlsocket source code */
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int socket;
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int flags = ioctlsocket(socket, FIONBIO, &flags);
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],[
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dnl ioctlsocket test was good
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nonblock="ioctlsocket"
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AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets])
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],[
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dnl ioctlsocket didnt compile!, go to test 4
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AC_TRY_LINK([
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/* headers for IoctlSocket test (Amiga?) */
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#include <sys/ioctl.h>
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],[
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/* IoctlSocket source code */
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int socket;
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int flags = IoctlSocket(socket, FIONBIO, (long)1);
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],[
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dnl ioctlsocket test was good
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nonblock="IoctlSocket"
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AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1, [use Ioctlsocket() for non-blocking sockets])
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],[
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dnl Ioctlsocket didnt compile, do test 5!
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AC_TRY_COMPILE([
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/* headers for SO_NONBLOCK test (BeOS) */
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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],[
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/* SO_NONBLOCK source code */
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long b = 1;
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int socket;
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int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
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],[
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dnl the SO_NONBLOCK test was good
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nonblock="SO_NONBLOCK"
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AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets])
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],[
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dnl test 5 didnt compile!
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nonblock="nada"
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AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])
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])
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dnl end of fifth test
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])
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dnl end of forth test
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])
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dnl end of third test
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])
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dnl end of second test
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])
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dnl end of non-blocking try-compile test
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AC_MSG_RESULT($nonblock)
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if test "$nonblock" = "nada"; then
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AC_MSG_WARN([non-block sockets disabled])
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fi
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])
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dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
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define(DPKG_CACHED_TRY_COMPILE,[
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AC_MSG_CHECKING($1)
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AC_CACHE_VAL($2,[
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AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
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])
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if test "x$$2" = xyes; then
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true
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$5
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else
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true
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$6
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fi
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])
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define(ADNS_C_GCCATTRIB,[
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DPKG_CACHED_TRY_COMPILE(__attribute__((,,)),adns_cv_c_attribute_supported,,
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[extern int testfunction(int x) __attribute__((,,))],
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GNUC25_ATTRIB, 1, HAVE_GNUC25_ATTRIB)
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DPKG_CACHED_TRY_COMPILE(__attribute__((noreturn)),adns_cv_c_attribute_noreturn,,
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[extern int testfunction(int x) __attribute__((noreturn))],
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GNUC25_NORETURN, 1, HAVE_GNUC25_NORETURN),
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AC_MSG_RESULT(no))
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DPKG_CACHED_TRY_COMPILE(__attribute__((const)),adns_cv_c_attribute_const,,
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[extern int testfunction(int x) __attribute__((const))],
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GNUC25_CONST, 1, HAVE_GNUC25_CONST),
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AC_MSG_RESULT(no))
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DPKG_CACHED_TRY_COMPILE(__attribute__((format...)),adns_cv_attribute_format,,
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[extern int testfunction(char *y, ...) __attribute__((format(printf,1,2)))],
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_GNUC25_PRINTFFORMAT, 1, HAVE_GNUC25_PRINTFFORMAT),
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AC_MSG_RESULT(no)),
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AC_MSG_RESULT(no))
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])
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define(ADNS_C_GETFUNC,[
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AC_CHECK_FUNC([$1],,[
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AC_CHECK_LIB([$2],[$1],[$3],[
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AC_MSG_ERROR([cannot find library function $1])
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])
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])
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])
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AC_DEFUN([AC_MSG_HEADER], [
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echo ""
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$srcdir/autotools/shtool echo -e "%B$1%b"
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echo ""
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])
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# Prevent libtool for checking how to run C++ compiler and check for other
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# tools we don't want to use. We do this by m4-defining the _LT_AC_TAGCONFIG
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# variable to the code to run, as by default it uses a much more complicated
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# approach. The code below that is actually added seems to be used for cases
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# where configure has trouble figuring out what C compiler to use but where
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# the installed libtool has an idea.
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#
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# This function is a re-implemented version of the Paolo Bonzini fix posted to
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# the c-ares mailing list by Bram Matthys on May 6 2006. My version removes
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# redundant code but also adds the LTCFLAGS check that wasn't in that patch.
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#
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# Some code in this function was extracted from the generated configure script.
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#
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# CARES_CLEAR_LIBTOOL_TAGS
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AC_DEFUN([CARES_CLEAR_LIBTOOL_TAGS],
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[m4_define([_LT_AC_TAGCONFIG], [
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if test -f "$ltmain"; then
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if test ! -f "${ofile}"; then
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AC_MSG_WARN([output file `$ofile' does not exist])
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fi
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if test -z "$LTCC"; then
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eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
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if test -z "$LTCC"; then
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AC_MSG_WARN([output file `$ofile' does not look like a libtool
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script])
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else
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AC_MSG_WARN([using `LTCC=$LTCC', extracted from `$ofile'])
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fi
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fi
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if test -z "$LTCFLAGS"; then
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eval "`$SHELL ${ofile} --config | grep '^LTCFLAGS='`"
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fi
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fi
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])]
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)
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