generic-library/curl
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Refactor configure script detection of functions used to set sockets into

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non-blocking mode, and decouple function detection from function capability.
This commit is contained in:
Yang Tse
2008-11-13 18:56:55 +00:00
parent ae6530ee82
commit 17d2a464ad
28 changed files with 1891 additions and 438 deletions
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786
m4/curl-functions.m4
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@@ -22,7 +22,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 34
# serial 35
dnl CURL_INCLUDES_ARPA_INET
@@ -52,6 +52,30 @@ curl_includes_arpa_inet="\
])
dnl CURL_INCLUDES_FCNTL
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when fcntl.h is to be included.
AC_DEFUN([CURL_INCLUDES_FCNTL], [
curl_includes_fcntl="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_STROPTS_H
# include <fcntl.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h fcntl.h,
[], [], [$curl_includes_fcntl])
])
dnl CURL_INCLUDES_IFADDRS
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
@@ -208,6 +232,36 @@ curl_includes_string="\
])
dnl CURL_INCLUDES_STROPTS
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
dnl included when stropts.h is to be included.
AC_DEFUN([CURL_INCLUDES_STROPTS], [
curl_includes_stropts="\
/* includes start */
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_STROPTS_H
# include <stropts.h>
#endif
/* includes end */"
AC_CHECK_HEADERS(
sys/types.h unistd.h sys/socket.h sys/ioctl.h stropts.h,
[], [], [$curl_includes_stropts])
])
dnl CURL_INCLUDES_SYS_SOCKET
dnl -------------------------------------------------
dnl Set up variable with list of headers that must be
@@ -440,6 +494,155 @@ AC_DEFUN([CURL_CHECK_FUNC_ALARM], [
])
dnl CURL_CHECK_FUNC_FCNTL
dnl -------------------------------------------------
dnl Verify if fcntl is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_fcntl, then
dnl HAVE_FCNTL will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FCNTL], [
AC_REQUIRE([CURL_INCLUDES_FCNTL])dnl
#
tst_links_fcntl="unknown"
tst_proto_fcntl="unknown"
tst_compi_fcntl="unknown"
tst_allow_fcntl="unknown"
#
AC_MSG_CHECKING([if fcntl can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([fcntl])
],[
AC_MSG_RESULT([yes])
tst_links_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_links_fcntl="no"
])
#
if test "$tst_links_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is prototyped])
AC_EGREP_CPP([fcntl],[
$curl_includes_fcntl
],[
AC_MSG_RESULT([yes])
tst_proto_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_proto_fcntl="no"
])
fi
#
if test "$tst_proto_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_fcntl
]],[[
if(0 != fcntl(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl="no"
])
fi
#
if test "$tst_compi_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl usage allowed])
if test "x$curl_disallow_fcntl" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl might be used])
if test "$tst_links_fcntl" = "yes" &&
test "$tst_proto_fcntl" = "yes" &&
test "$tst_compi_fcntl" = "yes" &&
test "$tst_allow_fcntl" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FCNTL, 1,
[Define to 1 if you have the fcntl function.])
ac_cv_func_fcntl="yes"
CURL_CHECK_FUNC_FCNTL_O_NONBLOCK
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl="no"
fi
])
dnl CURL_CHECK_FUNC_FCNTL_O_NONBLOCK
dnl -------------------------------------------------
dnl Verify if fcntl with status flag O_NONBLOCK is
dnl available, can be compiled, and seems to work. If
dnl all of these are true, then HAVE_FCNTL_O_NONBLOCK
dnl will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FCNTL_O_NONBLOCK], [
#
tst_compi_fcntl_o_nonblock="unknown"
tst_allow_fcntl_o_nonblock="unknown"
#
case $host_os in
sunos4* | aix3* | beos*)
dnl O_NONBLOCK does not work on these platforms
curl_disallow_fcntl_o_nonblock="yes"
;;
esac
#
if test "$ac_cv_func_fcntl" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_fcntl
]],[[
int flags = 0;
if(0 != fcntl(0, F_SETFL, flags | O_NONBLOCK))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_fcntl_o_nonblock="yes"
],[
AC_MSG_RESULT([no])
tst_compi_fcntl_o_nonblock="no"
])
fi
#
if test "$tst_compi_fcntl_o_nonblock" = "yes"; then
AC_MSG_CHECKING([if fcntl O_NONBLOCK usage allowed])
if test "x$curl_disallow_fcntl_o_nonblock" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
tst_allow_fcntl_o_nonblock="no"
fi
fi
#
AC_MSG_CHECKING([if fcntl O_NONBLOCK might be used])
if test "$tst_compi_fcntl_o_nonblock" = "yes" &&
test "$tst_allow_fcntl_o_nonblock" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FCNTL_O_NONBLOCK, 1,
[Define to 1 if you have a working fcntl O_NONBLOCK function.])
ac_cv_func_fcntl_o_nonblock="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_fcntl_o_nonblock="no"
fi
])
dnl CURL_CHECK_FUNC_FDOPEN
dnl -------------------------------------------------
dnl Verify if fdopen is available, prototyped, and
@@ -2120,6 +2323,436 @@ AC_DEFUN([CURL_CHECK_FUNC_INET_PTON], [
])
dnl CURL_CHECK_FUNC_IOCTL
dnl -------------------------------------------------
dnl Verify if ioctl is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_ioctl, then
dnl HAVE_IOCTL will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTL], [
AC_REQUIRE([CURL_INCLUDES_STROPTS])dnl
#
tst_links_ioctl="unknown"
tst_proto_ioctl="unknown"
tst_compi_ioctl="unknown"
tst_allow_ioctl="unknown"
#
AC_MSG_CHECKING([if ioctl can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([ioctl])
],[
AC_MSG_RESULT([yes])
tst_links_ioctl="yes"
],[
AC_MSG_RESULT([no])
tst_links_ioctl="no"
])
#
if test "$tst_links_ioctl" = "yes"; then
AC_MSG_CHECKING([if ioctl is prototyped])
AC_EGREP_CPP([ioctl],[
$curl_includes_stropts
],[
AC_MSG_RESULT([yes])
tst_proto_ioctl="yes"
],[
AC_MSG_RESULT([no])
tst_proto_ioctl="no"
])
fi
#
if test "$tst_proto_ioctl" = "yes"; then
AC_MSG_CHECKING([if ioctl is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_stropts
]],[[
if(0 != ioctl(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctl="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctl="no"
])
fi
#
if test "$tst_compi_ioctl" = "yes"; then
AC_MSG_CHECKING([if ioctl usage allowed])
if test "x$curl_disallow_ioctl" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctl="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctl="no"
fi
fi
#
AC_MSG_CHECKING([if ioctl might be used])
if test "$tst_links_ioctl" = "yes" &&
test "$tst_proto_ioctl" = "yes" &&
test "$tst_compi_ioctl" = "yes" &&
test "$tst_allow_ioctl" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTL, 1,
[Define to 1 if you have the ioctl function.])
ac_cv_func_ioctl="yes"
CURL_CHECK_FUNC_IOCTL_FIONBIO
else
AC_MSG_RESULT([no])
ac_cv_func_ioctl="no"
fi
])
dnl CURL_CHECK_FUNC_IOCTL_FIONBIO
dnl -------------------------------------------------
dnl Verify if ioctl with the FIONBIO command is
dnl available, can be compiled, and seems to work. If
dnl all of these are true, then HAVE_IOCTL_FIONBIO
dnl will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTL_FIONBIO], [
#
tst_compi_ioctl_fionbio="unknown"
tst_allow_ioctl_fionbio="unknown"
#
if test "$ac_cv_func_ioctl" = "yes"; then
AC_MSG_CHECKING([if ioctl FIONBIO is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_stropts
]],[[
int flags = 0;
if(0 != ioctl(0, FIONBIO, &flags))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctl_fionbio="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctl_fionbio="no"
])
fi
#
if test "$tst_compi_ioctl_fionbio" = "yes"; then
AC_MSG_CHECKING([if ioctl FIONBIO usage allowed])
if test "x$curl_disallow_ioctl_fionbio" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctl_fionbio="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctl_fionbio="no"
fi
fi
#
AC_MSG_CHECKING([if ioctl FIONBIO might be used])
if test "$tst_compi_ioctl_fionbio" = "yes" &&
test "$tst_allow_ioctl_fionbio" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTL_FIONBIO, 1,
[Define to 1 if you have a working ioctl FIONBIO function.])
ac_cv_func_ioctl_fionbio="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_ioctl_fionbio="no"
fi
])
dnl CURL_CHECK_FUNC_IOCTLSOCKET
dnl -------------------------------------------------
dnl Verify if ioctlsocket is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_ioctlsocket, then
dnl HAVE_IOCTLSOCKET will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET], [
AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl
#
tst_links_ioctlsocket="unknown"
tst_proto_ioctlsocket="unknown"
tst_compi_ioctlsocket="unknown"
tst_allow_ioctlsocket="unknown"
#
AC_MSG_CHECKING([if ioctlsocket can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
]],[[
if(0 != ioctlsocket(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_links_ioctlsocket="yes"
],[
AC_MSG_RESULT([no])
tst_links_ioctlsocket="no"
])
#
if test "$tst_links_ioctlsocket" = "yes"; then
AC_MSG_CHECKING([if ioctlsocket is prototyped])
AC_EGREP_CPP([ioctlsocket],[
$curl_includes_winsock2
],[
AC_MSG_RESULT([yes])
tst_proto_ioctlsocket="yes"
],[
AC_MSG_RESULT([no])
tst_proto_ioctlsocket="no"
])
fi
#
if test "$tst_proto_ioctlsocket" = "yes"; then
AC_MSG_CHECKING([if ioctlsocket is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
]],[[
if(0 != ioctlsocket(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctlsocket="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctlsocket="no"
])
fi
#
if test "$tst_compi_ioctlsocket" = "yes"; then
AC_MSG_CHECKING([if ioctlsocket usage allowed])
if test "x$curl_disallow_ioctlsocket" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctlsocket="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctlsocket="no"
fi
fi
#
AC_MSG_CHECKING([if ioctlsocket might be used])
if test "$tst_links_ioctlsocket" = "yes" &&
test "$tst_proto_ioctlsocket" = "yes" &&
test "$tst_compi_ioctlsocket" = "yes" &&
test "$tst_allow_ioctlsocket" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET, 1,
[Define to 1 if you have the ioctlsocket function.])
ac_cv_func_ioctlsocket="yes"
CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO
else
AC_MSG_RESULT([no])
ac_cv_func_ioctlsocket="no"
fi
])
dnl CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO
dnl -------------------------------------------------
dnl Verify if ioctlsocket with the FIONBIO command is
dnl available, can be compiled, and seems to work. If
dnl all of these are true, then HAVE_IOCTLSOCKET_FIONBIO
dnl will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_FIONBIO], [
#
tst_compi_ioctlsocket_fionbio="unknown"
tst_allow_ioctlsocket_fionbio="unknown"
#
if test "$ac_cv_func_ioctlsocket" = "yes"; then
AC_MSG_CHECKING([if ioctlsocket FIONBIO is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
]],[[
int flags = 0;
if(0 != ioctlsocket(0, FIONBIO, &flags))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctlsocket_fionbio="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctlsocket_fionbio="no"
])
fi
#
if test "$tst_compi_ioctlsocket_fionbio" = "yes"; then
AC_MSG_CHECKING([if ioctlsocket FIONBIO usage allowed])
if test "x$curl_disallow_ioctlsocket_fionbio" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctlsocket_fionbio="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctlsocket_fionbio="no"
fi
fi
#
AC_MSG_CHECKING([if ioctlsocket FIONBIO might be used])
if test "$tst_compi_ioctlsocket_fionbio" = "yes" &&
test "$tst_allow_ioctlsocket_fionbio" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_FIONBIO, 1,
[Define to 1 if you have a working ioctlsocket FIONBIO function.])
ac_cv_func_ioctlsocket_fionbio="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_ioctlsocket_fionbio="no"
fi
])
dnl CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL
dnl -------------------------------------------------
dnl Verify if IoctlSocket is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_ioctlsocket_camel,
dnl then HAVE_IOCTLSOCKET_CAMEL will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL], [
AC_REQUIRE([CURL_INCLUDES_STROPTS])dnl
#
tst_links_ioctlsocket_camel="unknown"
tst_proto_ioctlsocket_camel="unknown"
tst_compi_ioctlsocket_camel="unknown"
tst_allow_ioctlsocket_camel="unknown"
#
AC_MSG_CHECKING([if IoctlSocket can be linked])
AC_LINK_IFELSE([
AC_LANG_FUNC_LINK_TRY([IoctlSocket])
],[
AC_MSG_RESULT([yes])
tst_links_ioctlsocket_camel="yes"
],[
AC_MSG_RESULT([no])
tst_links_ioctlsocket_camel="no"
])
#
if test "$tst_links_ioctlsocket_camel" = "yes"; then
AC_MSG_CHECKING([if IoctlSocket is prototyped])
AC_EGREP_CPP([IoctlSocket],[
$curl_includes_stropts
],[
AC_MSG_RESULT([yes])
tst_proto_ioctlsocket_camel="yes"
],[
AC_MSG_RESULT([no])
tst_proto_ioctlsocket_camel="no"
])
fi
#
if test "$tst_proto_ioctlsocket_camel" = "yes"; then
AC_MSG_CHECKING([if IoctlSocket is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_stropts
]],[[
if(0 != IoctlSocket(0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctlsocket_camel="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctlsocket_camel="no"
])
fi
#
if test "$tst_compi_ioctlsocket_camel" = "yes"; then
AC_MSG_CHECKING([if IoctlSocket usage allowed])
if test "x$curl_disallow_ioctlsocket_camel" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctlsocket_camel="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctlsocket_camel="no"
fi
fi
#
AC_MSG_CHECKING([if IoctlSocket might be used])
if test "$tst_links_ioctlsocket_camel" = "yes" &&
test "$tst_proto_ioctlsocket_camel" = "yes" &&
test "$tst_compi_ioctlsocket_camel" = "yes" &&
test "$tst_allow_ioctlsocket_camel" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_CAMEL, 1,
[Define to 1 if you have the IoctlSocket camel case function.])
ac_cv_func_ioctlsocket_camel="yes"
CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO
else
AC_MSG_RESULT([no])
ac_cv_func_ioctlsocket_camel="no"
fi
])
dnl CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO
dnl -------------------------------------------------
dnl Verify if IoctlSocket with FIONBIO command is available,
dnl can be compiled, and seems to work. If all of these are
dnl true, then HAVE_IOCTLSOCKET_CAMEL_FIONBIO will be defined.
AC_DEFUN([CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL_FIONBIO], [
#
tst_compi_ioctlsocket_camel_fionbio="unknown"
tst_allow_ioctlsocket_camel_fionbio="unknown"
#
if test "$ac_cv_func_ioctlsocket_camel" = "yes"; then
AC_MSG_CHECKING([if IoctlSocket FIONBIO is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_stropts
]],[[
long flags = 0;
if(0 != ioctlsocket(0, FIONBIO, &flags))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_ioctlsocket_camel_fionbio="yes"
],[
AC_MSG_RESULT([no])
tst_compi_ioctlsocket_camel_fionbio="no"
])
fi
#
if test "$tst_compi_ioctlsocket_camel_fionbio" = "yes"; then
AC_MSG_CHECKING([if IoctlSocket FIONBIO usage allowed])
if test "x$curl_disallow_ioctlsocket_camel_fionbio" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_ioctlsocket_camel_fionbio="yes"
else
AC_MSG_RESULT([no])
tst_allow_ioctlsocket_camel_fionbio="no"
fi
fi
#
AC_MSG_CHECKING([if IoctlSocket FIONBIO might be used])
if test "$tst_compi_ioctlsocket_camel_fionbio" = "yes" &&
test "$tst_allow_ioctlsocket_camel_fionbio" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_IOCTLSOCKET_CAMEL_FIONBIO, 1,
[Define to 1 if you have a working IoctlSocket camel case FIONBIO function.])
ac_cv_func_ioctlsocket_camel_fionbio="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_ioctlsocket_camel_fionbio="no"
fi
])
dnl CURL_CHECK_FUNC_LOCALTIME_R
dnl -------------------------------------------------
dnl Verify if localtime_r is available, prototyped, can
@@ -2236,6 +2869,157 @@ AC_DEFUN([CURL_CHECK_FUNC_LOCALTIME_R], [
])
dnl CURL_CHECK_FUNC_SETSOCKOPT
dnl -------------------------------------------------
dnl Verify if setsockopt is available, prototyped, and
dnl can be compiled. If all of these are true, and
dnl usage has not been previously disallowed with
dnl shell variable curl_disallow_setsockopt, then
dnl HAVE_SETSOCKOPT will be defined.
AC_DEFUN([CURL_CHECK_FUNC_SETSOCKOPT], [
AC_REQUIRE([CURL_INCLUDES_WINSOCK2])dnl
AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl
#
tst_links_setsockopt="unknown"
tst_proto_setsockopt="unknown"
tst_compi_setsockopt="unknown"
tst_allow_setsockopt="unknown"
#
AC_MSG_CHECKING([if setsockopt can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
$curl_includes_sys_socket
]],[[
if(0 != setsockopt(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_links_setsockopt="yes"
],[
AC_MSG_RESULT([no])
tst_links_setsockopt="no"
])
#
if test "$tst_links_setsockopt" = "yes"; then
AC_MSG_CHECKING([if setsockopt is prototyped])
AC_EGREP_CPP([setsockopt],[
$curl_includes_winsock2
$curl_includes_sys_socket
],[
AC_MSG_RESULT([yes])
tst_proto_setsockopt="yes"
],[
AC_MSG_RESULT([no])
tst_proto_setsockopt="no"
])
fi
#
if test "$tst_proto_setsockopt" = "yes"; then
AC_MSG_CHECKING([if setsockopt is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
$curl_includes_sys_socket
]],[[
if(0 != setsockopt(0, 0, 0, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_setsockopt="yes"
],[
AC_MSG_RESULT([no])
tst_compi_setsockopt="no"
])
fi
#
if test "$tst_compi_setsockopt" = "yes"; then
AC_MSG_CHECKING([if setsockopt usage allowed])
if test "x$curl_disallow_setsockopt" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_setsockopt="yes"
else
AC_MSG_RESULT([no])
tst_allow_setsockopt="no"
fi
fi
#
AC_MSG_CHECKING([if setsockopt might be used])
if test "$tst_links_setsockopt" = "yes" &&
test "$tst_proto_setsockopt" = "yes" &&
test "$tst_compi_setsockopt" = "yes" &&
test "$tst_allow_setsockopt" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_SETSOCKOPT, 1,
[Define to 1 if you have the setsockopt function.])
ac_cv_func_setsockopt="yes"
CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK
else
AC_MSG_RESULT([no])
ac_cv_func_setsockopt="no"
fi
])
dnl CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK
dnl -------------------------------------------------
dnl Verify if setsockopt with the SO_NONBLOCK command is
dnl available, can be compiled, and seems to work. If
dnl all of these are true, then HAVE_SETSOCKOPT_SO_NONBLOCK
dnl will be defined.
AC_DEFUN([CURL_CHECK_FUNC_SETSOCKOPT_SO_NONBLOCK], [
#
tst_compi_setsockopt_so_nonblock="unknown"
tst_allow_setsockopt_so_nonblock="unknown"
#
if test "$ac_cv_func_setsockopt" = "yes"; then
AC_MSG_CHECKING([if setsockopt SO_NONBLOCK is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_winsock2
$curl_includes_sys_socket
]],[[
if(0 != setsockopt(0, SOL_SOCKET, SO_NONBLOCK, 0, 0))
return 1;
]])
],[
AC_MSG_RESULT([yes])
tst_compi_setsockopt_so_nonblock="yes"
],[
AC_MSG_RESULT([no])
tst_compi_setsockopt_so_nonblock="no"
])
fi
#
if test "$tst_compi_setsockopt_so_nonblock" = "yes"; then
AC_MSG_CHECKING([if setsockopt SO_NONBLOCK usage allowed])
if test "x$curl_disallow_setsockopt_so_nonblock" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_setsockopt_so_nonblock="yes"
else
AC_MSG_RESULT([no])
tst_allow_setsockopt_so_nonblock="no"
fi
fi
#
AC_MSG_CHECKING([if setsockopt SO_NONBLOCK might be used])
if test "$tst_compi_setsockopt_so_nonblock" = "yes" &&
test "$tst_allow_setsockopt_so_nonblock" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_SETSOCKOPT_SO_NONBLOCK, 1,
[Define to 1 if you have a working setsockopt SO_NONBLOCK function.])
ac_cv_func_setsockopt_so_nonblock="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_setsockopt_so_nonblock="no"
fi
])
dnl CURL_CHECK_FUNC_SIGACTION
dnl -------------------------------------------------
dnl Verify if sigaction is available, prototyped, and