895 lines
20 KiB
Plaintext
895 lines
20 KiB
Plaintext
AC_PREREQ(2.57)
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dnl Version not hardcoded here. Fetched later from ares_version.h
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AC_INIT([c-ares], [-],
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[c-ares mailing list => http://cool.haxx.se/mailman/listinfo/c-ares])
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CARES_OVERRIDE_AUTOCONF
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AC_CONFIG_SRCDIR([ares_ipv6.h])
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AM_CONFIG_HEADER([config.h])
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AM_MAINTAINER_MODE
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CARES_CHECK_OPTION_DEBUG
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CARES_CHECK_OPTION_OPTIMIZE
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CARES_CHECK_OPTION_WARNINGS
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CARES_CHECK_PATH_SEPARATOR
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dnl SED is mandatory for configure process and libtool.
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dnl Set it now, allowing it to be changed later.
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AC_PATH_PROG([SED], [sed], [not_found],
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[$PATH:/usr/bin:/usr/local/bin])
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if test -z "$SED" || test "$SED" = "not_found"; then
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AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.])
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fi
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AC_SUBST([SED])
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dnl GREP is mandatory for configure process and libtool.
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dnl Set it now, allowing it to be changed later.
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AC_PATH_PROG([GREP], [grep], [not_found],
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[$PATH:/usr/bin:/usr/local/bin])
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if test -z "$GREP" || test "$GREP" = "not_found"; then
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AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.])
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fi
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AC_SUBST([GREP])
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dnl EGREP is mandatory for configure process and libtool.
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dnl Set it now, allowing it to be changed later.
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if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
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AC_MSG_CHECKING([for egrep])
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EGREP="$GREP -E"
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AC_MSG_RESULT([$EGREP])
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else
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AC_PATH_PROG([EGREP], [egrep], [not_found],
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[$PATH:/usr/bin:/usr/local/bin])
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fi
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if test -z "$EGREP" || test "$EGREP" = "not_found"; then
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AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.])
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fi
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AC_SUBST([EGREP])
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dnl AR is mandatory for configure process and libtool.
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dnl This is target dependant, so check it as a tool.
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AC_PATH_TOOL([AR], [ar], [not_found],
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[$PATH:/usr/bin:/usr/local/bin])
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if test -z "$AR" || test "$AR" = "not_found"; then
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AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.])
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fi
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AC_SUBST([AR])
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dnl Fetch c-ares version from ares_version.h
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VERSION=`$SED -ne 's/^#define ARES_VERSION_STR "\(.*\)"/\1/p' ${srcdir}/ares_version.h`
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AM_INIT_AUTOMAKE([c-ares], [$VERSION])
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AC_MSG_CHECKING([c-ares version])
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AC_MSG_RESULT([$VERSION])
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dnl
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dnl Detect the canonical host and target build environment
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dnl
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AC_CANONICAL_HOST
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dnl Get system canonical name
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AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])
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CARES_CHECK_PROG_CC
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AM_PROG_CC_C_O
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AC_PROG_INSTALL
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dnl This defines _ALL_SOURCE for AIX
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CARES_CHECK_AIX_ALL_SOURCE
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dnl Our configure and build reentrant settings
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CARES_CONFIGURE_REENTRANT
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dnl check for how to do large files
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AC_SYS_LARGEFILE
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case $host_os in
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solaris*)
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AC_DEFINE(ETC_INET, 1, [if a /etc/inet dir is being used])
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;;
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esac
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dnl support building of Windows DLLs
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AC_LIBTOOL_WIN32_DLL
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CARES_PROCESS_DEBUG_BUILD_OPTS
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AM_CONDITIONAL(DEBUGBUILD, test x$want_debug = xyes)
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AM_CONDITIONAL(CURLDEBUG, test x$want_debug = xyes)
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dnl force libtool to build static libraries with PIC on AMD64-Linux & FreeBSD
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AC_MSG_CHECKING([if arch-OS host is AMD64-Linux/FreeBSD (to build static libraries with PIC)])
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case $host in
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x86_64*linux*|amd64*freebsd*|ia64*freebsd*)
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AC_MSG_RESULT([yes])
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with_pic=yes
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;;
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*)
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AC_MSG_RESULT([no])
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;;
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esac
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dnl libtool setup
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AC_PROG_LIBTOOL
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AC_MSG_CHECKING([if we need -no-undefined])
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case $host in
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*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
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need_no_undefined=yes
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;;
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*)
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need_no_undefined=no
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;;
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esac
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AC_MSG_RESULT($need_no_undefined)
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AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)
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dnl **********************************************************************
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dnl platform/compiler/architecture specific checks/flags
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dnl **********************************************************************
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CARES_CHECK_COMPILER
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CARES_SET_COMPILER_BASIC_OPTS
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CARES_SET_COMPILER_DEBUG_OPTS
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CARES_SET_COMPILER_OPTIMIZE_OPTS
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CARES_SET_COMPILER_WARNING_OPTS
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case $host in
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#
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x86_64*linux*|amd64*freebsd*|ia64*freebsd*)
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#
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if test "$compiler_id" = "INTEL_UNIX_C"; then
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#
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if test "$compiler_num" -ge "900" &&
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test "$compiler_num" -lt "1000"; then
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dnl icc 9.X specific
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CFLAGS="$CFLAGS -i-dynamic"
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fi
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#
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if test "$compiler_num" -ge "1000"; then
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dnl icc 10.X or later
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CFLAGS="$CFLAGS -shared-intel"
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fi
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#
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fi
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;;
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#
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esac
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CURL_CHECK_COMPILER_HALT_ON_ERROR
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CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE
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dnl **********************************************************************
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dnl Compilation based checks should not be done before this point.
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dnl **********************************************************************
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dnl **********************************************************************
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dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
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dnl and ws2tcpip.h take precedence over any other further checks which
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dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
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dnl this specific header files. And do them before its results are used.
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dnl **********************************************************************
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CURL_CHECK_HEADER_WINDOWS
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CURL_CHECK_NATIVE_WINDOWS
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case X-"$ac_cv_native_windows" in
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X-yes)
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CURL_CHECK_HEADER_WINSOCK
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CURL_CHECK_HEADER_WINSOCK2
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CURL_CHECK_HEADER_WS2TCPIP
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;;
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*)
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ac_cv_header_winsock_h="no"
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ac_cv_header_winsock2_h="no"
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ac_cv_header_ws2tcpip_h="no"
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;;
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esac
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dnl **********************************************************************
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dnl Checks for libraries.
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dnl **********************************************************************
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dnl gethostbyname without lib or in the nsl lib?
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AC_CHECK_FUNC(gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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],
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[ AC_CHECK_LIB(nsl, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lnsl"
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])
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])
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl gethostbyname in the socket lib?
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AC_CHECK_LIB(socket, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lsocket"
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])
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fi
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dnl At least one system has been identified to require BOTH nsl and socket
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dnl libs at the same time to link properly.
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
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my_ac_save_LIBS=$LIBS
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LIBS="-lnsl -lsocket $LIBS"
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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]],[[
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gethostbyname();
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]])
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],[
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"
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],[
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AC_MSG_RESULT([no])
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LIBS=$my_ac_save_LIBS
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])
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl This is for winsock systems
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if test "$ac_cv_header_windows_h" = "yes"; then
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if test "$ac_cv_header_winsock_h" = "yes"; then
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case $host in
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*-*-mingw32ce*)
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winsock_LIB="-lwinsock"
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;;
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*)
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winsock_LIB="-lwsock32"
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;;
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esac
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fi
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if test "$ac_cv_header_winsock2_h" = "yes"; then
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winsock_LIB="-lws2_32"
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fi
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if test ! -z "$winsock_LIB"; then
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my_ac_save_LIBS=$LIBS
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LIBS="$winsock_LIB $LIBS"
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AC_MSG_CHECKING([for gethostbyname in $winsock_LIB])
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#ifdef HAVE_WINDOWS_H
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#ifdef HAVE_WINSOCK2_H
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#include <winsock2.h>
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#else
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#ifdef HAVE_WINSOCK_H
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#include <winsock.h>
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#endif
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#endif
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#endif
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]],[[
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gethostbyname("www.dummysite.com");
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]])
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],[
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"
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],[
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AC_MSG_RESULT([no])
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winsock_LIB=""
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LIBS=$my_ac_save_LIBS
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])
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fi
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fi
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl This is for Minix 3.1
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AC_MSG_CHECKING([for gethostbyname for Minix 3])
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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/* Older Minix versions may need <net/gen/netdb.h> here instead */
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#include <netdb.h>
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]],[[
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gethostbyname("www.dummysite.com");
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]])
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],[
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"
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],[
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AC_MSG_RESULT([no])
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])
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl This is for eCos with a stubbed DNS implementation
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AC_MSG_CHECKING([for gethostbyname for eCos])
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <stdio.h>
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#include <netdb.h>
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]],[[
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gethostbyname("www.dummysite.com");
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]])
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],[
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AC_MSG_RESULT([yes])
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HAVE_GETHOSTBYNAME="1"
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],[
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AC_MSG_RESULT([no])
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])
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"
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then
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dnl gethostbyname in the net lib - for BeOS
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AC_CHECK_LIB(net, gethostbyname,
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[HAVE_GETHOSTBYNAME="1"
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LIBS="$LIBS -lnet"
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])
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fi
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if test "$HAVE_GETHOSTBYNAME" != "1"; then
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AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
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fi
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dnl resolve lib?
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AC_CHECK_FUNC(strcasecmp, , [ AC_CHECK_LIB(resolve, strcasecmp) ])
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if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
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AC_CHECK_LIB(resolve, strcasecmp,
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[LIBS="-lresolve $LIBS"],
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,
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-lnsl)
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fi
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ac_cv_func_strcasecmp="no"
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dnl socket lib?
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AC_CHECK_FUNC(connect, , [ AC_CHECK_LIB(socket, connect) ])
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dnl **********************************************************************
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dnl In case that function clock_gettime with monotonic timer is available,
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dnl check for additional required libraries.
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dnl **********************************************************************
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CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
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AC_MSG_CHECKING([whether to use libgcc])
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AC_ARG_ENABLE(libgcc,
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AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
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[ case "$enableval" in
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yes)
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LIBS="$LIBS -lgcc"
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AC_MSG_RESULT(yes)
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;;
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*) AC_MSG_RESULT(no)
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;;
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esac ],
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AC_MSG_RESULT(no)
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)
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dnl Default is to try the thread-safe versions of a few functions
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OPT_THREAD=on
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dnl detect AIX 4.3 or later
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AC_MSG_CHECKING([AIX 4.3 or later])
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AC_PREPROC_IFELSE([
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#if defined(_AIX) && defined(_AIX43)
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printf("just fine");
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#else
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#error "this is not AIX 4.3 or later"
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#endif
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],
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[ AC_MSG_RESULT([yes])
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RECENTAIX=yes
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OPT_THREAD=off ],
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[ AC_MSG_RESULT([no]) ]
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)
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AC_ARG_ENABLE(thread,dnl
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AC_HELP_STRING([--disable-thread],[don't look for thread-safe functions])
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AC_HELP_STRING([--enable-thread],[look for thread-safe functions]),
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[ case "$enableval" in
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no)
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OPT_THREAD=off
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AC_MSG_WARN(c-ares will not get built using thread-safe functions)
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;;
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*)
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;;
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esac
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]
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)
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if test X"$OPT_THREAD" = Xoff
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then
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AC_DEFINE(DISABLED_THREADSAFE, 1,
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[Set to explicitly specify we don't want to use thread-safe functions])
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fi
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dnl for recent AIX versions, we skip all the thread-safe checks above since
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dnl they claim a thread-safe libc using the standard API. But there are
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dnl some functions still not thread-safe. Check for these!
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dnl Let's hope this split URL remains working:
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dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
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dnl genprogc/thread_quick_ref.htm
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if test "x$RECENTAIX" = "xyes"; then
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AC_DEFINE(_THREAD_SAFE, 1, [define this if you need it to compile thread-safe code])
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fi
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dnl **********************************************************************
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dnl Back to "normal" configuring
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dnl **********************************************************************
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dnl Checks for header files.
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AC_HEADER_STDC
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CURL_CHECK_HEADER_MALLOC
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dnl check for a few basic system headers we need
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AC_CHECK_HEADERS(
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sys/types.h \
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sys/time.h \
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sys/select.h \
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sys/socket.h \
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sys/ioctl.h \
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sys/param.h \
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sys/uio.h \
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netdb.h \
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netinet/in.h \
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netinet/tcp.h \
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net/if.h \
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errno.h \
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strings.h \
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stdbool.h \
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time.h \
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arpa/nameser.h \
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arpa/nameser_compat.h \
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arpa/inet.h,
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dnl to do if not found
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[],
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dnl to do if found
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[],
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dnl default includes
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[
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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_TIME_H
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#include <sys/time.h>
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#endif
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dnl We do this default-include simply to make sure that the nameser_compat.h
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dnl header *REALLY* can be include after the new nameser.h. It seems AIX 5.1
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dnl (and others?) is not designed to allow this.
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#ifdef HAVE_ARPA_NAMESER_H
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#include <arpa/nameser.h>
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#endif
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dnl *Sigh* these are needed in order for net/if.h to get properly detected.
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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_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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]
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)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_SIZE_T
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AC_HEADER_TIME
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CURL_CHECK_STRUCT_TIMEVAL
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AC_CHECK_SIZEOF(size_t)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(time_t)
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AC_CHECK_TYPE(long long,
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[AC_DEFINE(HAVE_LONGLONG, 1,
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[Define to 1 if the compiler supports the 'long long' data type.])]
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longlong="yes"
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)
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|
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if test "xyes" = "x$longlong"; then
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AC_MSG_CHECKING([if numberLL works])
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AC_COMPILE_IFELSE([long long val = 1000LL;],
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[AC_DEFINE(HAVE_LL, 1, [if your compiler supports LL])]
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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)
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fi
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# check for ssize_t
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AC_CHECK_TYPE(ssize_t, ,
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AC_DEFINE(ssize_t, int, [the signed version of size_t]))
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# check for bool type
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AC_CHECK_TYPE([bool],[
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AC_DEFINE(HAVE_BOOL_T, 1,
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[Define to 1 if bool is an available type.])
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], ,[
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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_STDBOOL_H
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#include <stdbool.h>
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#endif
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])
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|
|
# Check for socklen_t or equivalent
|
|
CURL_CHECK_TYPE_SOCKLEN_T
|
|
|
|
TYPE_IN_ADDR_T
|
|
|
|
TYPE_SOCKADDR_STORAGE
|
|
|
|
TYPE_SIG_ATOMIC_T
|
|
|
|
AC_TYPE_SIGNAL
|
|
|
|
CURL_CHECK_FUNC_RECV
|
|
CURL_CHECK_FUNC_RECVFROM
|
|
CURL_CHECK_FUNC_SEND
|
|
CURL_CHECK_MSG_NOSIGNAL
|
|
|
|
CARES_CHECK_FUNC_FCNTL
|
|
CARES_CHECK_FUNC_FREEADDRINFO
|
|
CARES_CHECK_FUNC_GETADDRINFO
|
|
CARES_CHECK_FUNC_GETHOSTBYADDR
|
|
CARES_CHECK_FUNC_GETHOSTBYNAME
|
|
CARES_CHECK_FUNC_GETHOSTNAME
|
|
CARES_CHECK_FUNC_GETSERVBYPORT_R
|
|
CARES_CHECK_FUNC_INET_NTOP
|
|
CARES_CHECK_FUNC_INET_PTON
|
|
CARES_CHECK_FUNC_IOCTL
|
|
CARES_CHECK_FUNC_IOCTLSOCKET
|
|
CARES_CHECK_FUNC_IOCTLSOCKET_CAMEL
|
|
CARES_CHECK_FUNC_SETSOCKOPT
|
|
CARES_CHECK_FUNC_STRCASECMP
|
|
CARES_CHECK_FUNC_STRCMPI
|
|
CARES_CHECK_FUNC_STRDUP
|
|
CARES_CHECK_FUNC_STRICMP
|
|
CARES_CHECK_FUNC_STRNCASECMP
|
|
CARES_CHECK_FUNC_STRNCMPI
|
|
CARES_CHECK_FUNC_STRNICMP
|
|
CARES_CHECK_FUNC_WRITEV
|
|
|
|
|
|
dnl check for AF_INET6
|
|
CARES_CHECK_CONSTANT(
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#endif
|
|
], [PF_INET6],
|
|
AC_DEFINE_UNQUOTED(HAVE_PF_INET6,1,[Define to 1 if you have PF_INET6.])
|
|
)
|
|
|
|
dnl check for PF_INET6
|
|
CARES_CHECK_CONSTANT(
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#endif
|
|
], [AF_INET6],
|
|
AC_DEFINE_UNQUOTED(HAVE_AF_INET6,1,[Define to 1 if you have AF_INET6.])
|
|
)
|
|
|
|
|
|
dnl check for the in6_addr structure
|
|
CARES_CHECK_STRUCT(
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
], [in6_addr],
|
|
AC_DEFINE_UNQUOTED(HAVE_STRUCT_IN6_ADDR,1,[Define to 1 if you have struct in6_addr.])
|
|
)
|
|
|
|
dnl check for the sockaddr_in6 structure
|
|
CARES_CHECK_STRUCT(
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
], [sockaddr_in6],
|
|
AC_DEFINE_UNQUOTED(HAVE_STRUCT_SOCKADDR_IN6,1,
|
|
[Define to 1 if you have struct sockaddr_in6.]) ac_have_sockaddr_in6=yes
|
|
)
|
|
|
|
AC_CHECK_MEMBER(struct sockaddr_in6.sin6_scope_id,
|
|
AC_DEFINE_UNQUOTED(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID,1,
|
|
[Define to 1 if your struct sockaddr_in6 has sin6_scope_id.])
|
|
, ,
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
])
|
|
|
|
dnl check for the addrinfo structure
|
|
AC_CHECK_MEMBER(struct addrinfo.ai_flags,
|
|
AC_DEFINE_UNQUOTED(HAVE_STRUCT_ADDRINFO,1,
|
|
[Define to 1 if you have struct addrinfo.]),,
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETDB_H
|
|
#include <netdb.h>
|
|
#endif
|
|
#endif
|
|
]
|
|
)
|
|
|
|
|
|
AC_CHECK_FUNCS([bitncmp \
|
|
gettimeofday \
|
|
if_indextoname
|
|
],[
|
|
],[
|
|
func="$ac_func"
|
|
AC_MSG_CHECKING([deeper for $func])
|
|
AC_LINK_IFELSE([
|
|
AC_LANG_PROGRAM([[
|
|
]],[[
|
|
$func ();
|
|
]])
|
|
],[
|
|
AC_MSG_RESULT([yes])
|
|
eval "ac_cv_func_$func=yes"
|
|
AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$func])], [1],
|
|
[Define to 1 if you have the $func function.])
|
|
],[
|
|
AC_MSG_RESULT([but still no])
|
|
])
|
|
])
|
|
|
|
|
|
dnl Check for inet_net_pton
|
|
AC_CHECK_FUNCS(inet_net_pton)
|
|
dnl Again, some systems have it, but not IPv6
|
|
if test "$ac_cv_func_inet_net_pton" = "yes" ; then
|
|
AC_MSG_CHECKING(if inet_net_pton supports IPv6)
|
|
AC_TRY_RUN(
|
|
[
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
int main()
|
|
{
|
|
struct in6_addr addr6;
|
|
if (inet_net_pton(AF_INET6, "::1", &addr6, sizeof(addr6)) < 1)
|
|
exit(1);
|
|
else
|
|
exit(0);
|
|
}
|
|
], [
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE_UNQUOTED(HAVE_INET_NET_PTON_IPV6,1,[Define to 1 if inet_net_pton supports IPv6.])
|
|
], AC_MSG_RESULT(no),AC_MSG_RESULT(no))
|
|
fi
|
|
|
|
|
|
AC_CHECK_SIZEOF(struct in6_addr, ,
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
]
|
|
)
|
|
|
|
AC_CHECK_SIZEOF(struct in_addr, ,
|
|
[
|
|
#undef inline
|
|
#ifdef HAVE_WINDOWS_H
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#ifdef HAVE_WINSOCK2_H
|
|
#include <winsock2.h>
|
|
#ifdef HAVE_WS2TCPIP_H
|
|
#include <ws2tcpip.h>
|
|
#endif
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_SYS_TYPES_H
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#endif
|
|
]
|
|
)
|
|
|
|
|
|
dnl Check if the getnameinfo function is available
|
|
dnl and get the types of five of its arguments.
|
|
CURL_CHECK_FUNC_GETNAMEINFO
|
|
|
|
|
|
AC_C_BIGENDIAN(
|
|
[AC_DEFINE(ARES_BIG_ENDIAN, 1,
|
|
[define this if ares is built for a big endian system])],
|
|
,
|
|
[AC_MSG_WARN([couldn't figure out endianess, assuming little endian!])]
|
|
)
|
|
|
|
dnl Check for user-specified random device
|
|
AC_ARG_WITH(random,
|
|
AC_HELP_STRING([--with-random=FILE],
|
|
[read randomness from FILE (default=/dev/urandom)]),
|
|
[ RANDOM_FILE="$withval" ],
|
|
[
|
|
dnl Check for random device. If we're cross compiling, we can't
|
|
dnl check, and it's better to assume it doesn't exist than it is
|
|
dnl to fail on AC_CHECK_FILE or later.
|
|
if test "$cross_compiling" = "no"; then
|
|
AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] )
|
|
else
|
|
AC_MSG_WARN([cannot check for /dev/urandom while cross compiling; assuming none])
|
|
fi
|
|
|
|
]
|
|
)
|
|
if test -n "$RANDOM_FILE" && test X"$RANDOM_FILE" != Xno ; then
|
|
AC_SUBST(RANDOM_FILE)
|
|
AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE",
|
|
[a suitable file/device to read random data from])
|
|
fi
|
|
|
|
CARES_CHECK_OPTION_NONBLOCKING
|
|
CARES_CHECK_NONBLOCKING_SOCKET
|
|
|
|
CARES_PRIVATE_LIBS="$LIBS"
|
|
AC_SUBST(CARES_PRIVATE_LIBS)
|
|
|
|
dnl squeeze whitespace out of some variables
|
|
|
|
squeeze CFLAGS
|
|
squeeze CPPFLAGS
|
|
squeeze DEFS
|
|
squeeze LDFLAGS
|
|
squeeze LIBS
|
|
|
|
squeeze CARES_PRIVATE_LIBS
|
|
|
|
AC_CONFIG_FILES([Makefile libcares.pc])
|
|
AC_OUTPUT
|