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update several macros using AC_TRY_LINK with AC_LINK_IFELSE

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This commit is contained in:
Yang Tse
2008-05-20 15:55:31 +00:00
parent 6783b29432
commit d3bad80edd
2 changed files with 147 additions and 114 deletions
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acinclude.m4
+93 -87
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@@ -1121,20 +1121,20 @@ dnl
dnl There are two known platforms (AIX 3.x and SunOS 4.1.x) where the
dnl O_NONBLOCK define is found but does not work. This condition is attempted
dnl to get caught in this script by using an excessive number of #ifdefs...
dnl
AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],
[
AC_MSG_CHECKING([non-blocking sockets style])
AC_TRY_COMPILE([
AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET], [
AC_MSG_CHECKING([non-blocking sockets style])
nonblock="unknown"
#
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* headers for O_NONBLOCK test */
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
],[
/* try to compile O_NONBLOCK */
#if defined(sun) || defined(__sun__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
/* */
#if defined(sun) || defined(__sun__) || \
defined(__SUNPRO_C) || defined(__SUNPRO_CC)
# if defined(__SVR4) || defined(__srv4__)
# define PLATFORM_SOLARIS
# else
@@ -1144,36 +1144,44 @@ AC_DEFUN([CURL_CHECK_NONBLOCKING_SOCKET],
#if (defined(_AIX) || defined(__xlC__)) && !defined(_AIX41)
# define PLATFORM_AIX_V3
#endif
/* */
#if defined(PLATFORM_SUNOS4) || defined(PLATFORM_AIX_V3) || defined(__BEOS__)
#error "O_NONBLOCK does not work on this platform"
#endif
int socket;
int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
],[
dnl the O_NONBLOCK test was fine
nonblock="O_NONBLOCK"
AC_DEFINE(HAVE_O_NONBLOCK, 1, [use O_NONBLOCK for non-blocking sockets])
],[
dnl the code was bad, try a different program now, test 2
AC_TRY_COMPILE([
]],[[
/* O_NONBLOCK source test */
int socket;
int flags = fcntl(socket, F_SETFL, flags | O_NONBLOCK);
]])
],[
dnl the O_NONBLOCK test was fine
nonblock="O_NONBLOCK"
AC_DEFINE(HAVE_O_NONBLOCK, 1,
[use O_NONBLOCK for non-blocking sockets])
])
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* headers for FIONBIO test */
#include <unistd.h>
#include <stropts.h>
],[
/* FIONBIO source test (old-style unix) */
int socket;
int flags = ioctl(socket, FIONBIO, &flags);
],[
dnl FIONBIO test was good
nonblock="FIONBIO"
AC_DEFINE(HAVE_FIONBIO, 1, [use FIONBIO for non-blocking sockets])
],[
dnl FIONBIO test was also bad
dnl the code was bad, try a different program now, test 3
AC_TRY_COMPILE([
]],[[
/* FIONBIO source test (old-style unix) */
int socket;
int flags = ioctl(socket, FIONBIO, &flags);
]])
],[
dnl FIONBIO test was good
nonblock="FIONBIO"
AC_DEFINE(HAVE_FIONBIO, 1,
[use FIONBIO for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* headers for ioctlsocket test (Windows) */
#undef inline
#ifdef HAVE_WINDOWS_H
@@ -1189,65 +1197,63 @@ dnl the code was bad, try a different program now, test 3
#endif
#endif
#endif
],[
/* ioctlsocket source code */
SOCKET sd;
unsigned long flags = 0;
sd = socket(0, 0, 0);
ioctlsocket(sd, FIONBIO, &flags);
],[
dnl ioctlsocket test was good
nonblock="ioctlsocket"
AC_DEFINE(HAVE_IOCTLSOCKET, 1, [use ioctlsocket() for non-blocking sockets])
],[
dnl ioctlsocket didnt compile!, go to test 4
AC_TRY_LINK([
]],[[
/* ioctlsocket source code (Windows) */
SOCKET sd;
unsigned long flags = 0;
sd = socket(0, 0, 0);
ioctlsocket(sd, FIONBIO, &flags);
]])
],[
dnl ioctlsocket test was good
nonblock="ioctlsocket"
AC_DEFINE(HAVE_IOCTLSOCKET, 1,
[use ioctlsocket() for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
/* headers for IoctlSocket test (Amiga?) */
#include <sys/ioctl.h>
],[
/* IoctlSocket source code */
int socket;
int flags = IoctlSocket(socket, FIONBIO, (long)1);
],[
dnl ioctlsocket test was good
nonblock="IoctlSocket"
AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1, [use Ioctlsocket() for non-blocking sockets])
],[
dnl Ioctlsocket didnt compile, do test 5!
AC_TRY_COMPILE([
]],[[
/* IoctlSocket source code (Amiga?) */
int socket;
int flags = IoctlSocket(socket, FIONBIO, (long)1);
]])
],[
dnl Ioctlsocket test was good
nonblock="IoctlSocket"
AC_DEFINE(HAVE_IOCTLSOCKET_CASE, 1,
[use Ioctlsocket() for non-blocking sockets])
])
fi
#
if test "$nonblock" = "unknown"; then
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
/* headers for SO_NONBLOCK test (BeOS) */
#include <socket.h>
],[
/* SO_NONBLOCK source code */
long b = 1;
int socket;
int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
],[
dnl the SO_NONBLOCK test was good
nonblock="SO_NONBLOCK"
AC_DEFINE(HAVE_SO_NONBLOCK, 1, [use SO_NONBLOCK for non-blocking sockets])
],[
dnl test 5 didnt compile!
nonblock="nada"
AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1, [disabled non-blocking sockets])
])
dnl end of fifth test
])
dnl end of forth test
])
dnl end of third test
])
dnl end of second test
])
dnl end of non-blocking try-compile test
]],[[
/* SO_NONBLOCK source code (BeOS) */
long b = 1;
int socket;
int flags = setsockopt(socket, SOL_SOCKET, SO_NONBLOCK, &b, sizeof(b));
]])
],[
dnl the SO_NONBLOCK test was good
nonblock="SO_NONBLOCK"
AC_DEFINE(HAVE_SO_NONBLOCK, 1,
[use SO_NONBLOCK for non-blocking sockets])
])
fi
#
AC_MSG_RESULT($nonblock)
if test "$nonblock" = "nada"; then
#
if test "$nonblock" = "unknown"; then
AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1,
[disabled non-blocking sockets])
AC_MSG_WARN([non-block sockets disabled])
fi
])