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authorYang Tse <yangsita@gmail.com>2008-05-20 15:55:31 +0000
committerYang Tse <yangsita@gmail.com>2008-05-20 15:55:31 +0000
commit8ad1928d93ccc81039a283e43f584c4bbea79c2d (patch)
treebda2334b48111b295fca1a0b4fe65c3494d78648 /ares
parent24bf52bc691cca9f8b3a668e26b4dd695ec4991c (diff)
update several macros using AC_TRY_LINK with AC_LINK_IFELSE
Diffstat (limited to 'ares')
-rw-r--r--ares/acinclude.m4180
-rw-r--r--ares/configure.ac81
2 files changed, 147 insertions, 114 deletions
diff --git a/ares/acinclude.m4 b/ares/acinclude.m4
index 310469f6d..d8d703738 100644
--- a/ares/acinclude.m4
+++ b/ares/acinclude.m4
@@ -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 "$nonblock" = "unknown"; then
+ AC_DEFINE(HAVE_DISABLED_NONBLOCKING, 1,
+ [disabled non-blocking sockets])
AC_MSG_WARN([non-block sockets disabled])
fi
])
diff --git a/ares/configure.ac b/ares/configure.ac
index 9653a2a7e..d3304ae01 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -212,16 +212,18 @@ then
AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
my_ac_save_LIBS=$LIBS
LIBS="-lnsl -lsocket $LIBS"
- AC_TRY_LINK( ,
- [gethostbyname();],
- [ dnl found it!
- HAVE_GETHOSTBYNAME="1"
- AC_MSG_RESULT([yes])],
- [ dnl failed!
- AC_MSG_RESULT([no])
- dnl restore LIBS
- LIBS=$my_ac_save_LIBS]
- )
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+ ]],[[
+ gethostbyname();
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ HAVE_GETHOSTBYNAME="1"
+ ],[
+ AC_MSG_RESULT([no])
+ LIBS=$my_ac_save_LIBS
+ ])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
@@ -245,7 +247,8 @@ then
my_ac_save_LIBS=$LIBS
LIBS="$winsock_LIB $LIBS"
AC_MSG_CHECKING([for gethostbyname in $winsock_LIB])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
@@ -259,15 +262,16 @@ then
#endif
#endif
#endif
- ],[
+ ]],[[
gethostbyname("www.dummysite.com");
- ],[
- AC_MSG_RESULT([yes])
- HAVE_GETHOSTBYNAME="1"
- ],[
- AC_MSG_RESULT([no])
- winsock_LIB=""
- LIBS=$my_ac_save_LIBS
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ HAVE_GETHOSTBYNAME="1"
+ ],[
+ AC_MSG_RESULT([no])
+ winsock_LIB=""
+ LIBS=$my_ac_save_LIBS
])
fi
fi
@@ -275,17 +279,40 @@ fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
+ dnl This is for Minix 3.1
+ AC_MSG_CHECKING([for gethostbyname for Minix 3])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+/* Older Minix versions may need <net/gen/netdb.h> here instead */
+#include <netdb.h>
+ ]],[[
+ gethostbyname("www.dummysite.com");
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ HAVE_GETHOSTBYNAME="1"
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+fi
+
+if test "$HAVE_GETHOSTBYNAME" != "1"
+then
dnl This is for eCos with a stubbed DNS implementation
AC_MSG_CHECKING([for gethostbyname for eCos])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
#include <stdio.h>
-#include <netdb.h>],
- [gethostbyname("www.dummysite.com");],
- [ dnl worked!
- AC_MSG_RESULT([yes])
- HAVE_GETHOSTBYNAME="1"],
- AC_MSG_RESULT(no)
- )
+#include <netdb.h>
+ ]],[[
+ gethostbyname("www.dummysite.com");
+ ]])
+ ],[
+ AC_MSG_RESULT([yes])
+ HAVE_GETHOSTBYNAME="1"
+ ],[
+ AC_MSG_RESULT([no])
+ ])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"