check for freeaddrinfo() at configuration phase

This commit is contained in:
Yang Tse
2008-10-30 17:45:47 +00:00
parent ad3c1c37bb
commit 33319f5d2d
4 changed files with 196 additions and 2 deletions

View File

@@ -22,7 +22,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 32
# serial 33
dnl CURL_INCLUDES_ARPA_INET
@@ -498,6 +498,102 @@ AC_DEFUN([CURL_CHECK_FUNC_FDOPEN], [
])
dnl CURL_CHECK_FUNC_FREEADDRINFO
dnl -------------------------------------------------
dnl Verify if freeaddrinfo is available, prototyped,
dnl and can be compiled. If all of these are true,
dnl and usage has not been previously disallowed with
dnl shell variable curl_disallow_freeaddrinfo, then
dnl HAVE_FREEADDRINFO will be defined.
AC_DEFUN([CURL_CHECK_FUNC_FREEADDRINFO], [
AC_REQUIRE([CURL_INCLUDES_WS2TCPIP])dnl
AC_REQUIRE([CURL_INCLUDES_SYS_SOCKET])dnl
AC_REQUIRE([CURL_INCLUDES_NETDB])dnl
#
tst_links_freeaddrinfo="unknown"
tst_proto_freeaddrinfo="unknown"
tst_compi_freeaddrinfo="unknown"
tst_allow_freeaddrinfo="unknown"
#
AC_MSG_CHECKING([if freeaddrinfo can be linked])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_links_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_links_freeaddrinfo="no"
])
#
if test "$tst_links_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is prototyped])
AC_EGREP_CPP([freeaddrinfo],[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
],[
AC_MSG_RESULT([yes])
tst_proto_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_proto_freeaddrinfo="no"
])
fi
#
if test "$tst_proto_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo is compilable])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
$curl_includes_ws2tcpip
$curl_includes_sys_socket
$curl_includes_netdb
]],[[
freeaddrinfo(0);
]])
],[
AC_MSG_RESULT([yes])
tst_compi_freeaddrinfo="yes"
],[
AC_MSG_RESULT([no])
tst_compi_freeaddrinfo="no"
])
fi
#
if test "$tst_compi_freeaddrinfo" = "yes"; then
AC_MSG_CHECKING([if freeaddrinfo usage allowed])
if test "x$curl_disallow_freeaddrinfo" != "xyes"; then
AC_MSG_RESULT([yes])
tst_allow_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
tst_allow_freeaddrinfo="no"
fi
fi
#
AC_MSG_CHECKING([if freeaddrinfo might be used])
if test "$tst_links_freeaddrinfo" = "yes" &&
test "$tst_proto_freeaddrinfo" = "yes" &&
test "$tst_compi_freeaddrinfo" = "yes" &&
test "$tst_allow_freeaddrinfo" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED(HAVE_FREEADDRINFO, 1,
[Define to 1 if you have the freeaddrinfo function.])
ac_cv_func_freeaddrinfo="yes"
else
AC_MSG_RESULT([no])
ac_cv_func_freeaddrinfo="no"
fi
])
dnl CURL_CHECK_FUNC_FTRUNCATE
dnl -------------------------------------------------
dnl Verify if ftruncate is available, prototyped, and