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893 lines
20 KiB
893 lines
20 KiB
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 ares_build.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_OPTION_CURLDEBUG |
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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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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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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="$CFLAGS -shared-intel" |
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fi |
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# |
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fi |
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;; |
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# |
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esac |
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CARES_CHECK_COMPILER_HALT_ON_ERROR |
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CARES_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE |
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CARES_CHECK_NO_UNDEFINED |
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AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes) |
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CARES_CHECK_CURLDEBUG |
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AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes) |
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dnl ********************************************************************** |
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dnl Compilation based checks should not be done before this point. |
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dnl ********************************************************************** |
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dnl ********************************************************************** |
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dnl Make sure that our checks for headers windows.h winsock.h winsock2.h |
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dnl and ws2tcpip.h take precedence over any other further checks which |
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dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for |
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dnl this specific header files. And do them before its results are used. |
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dnl ********************************************************************** |
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CURL_CHECK_HEADER_WINDOWS |
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CURL_CHECK_NATIVE_WINDOWS |
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case X-"$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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CARES_CHECK_LIB_XNET |
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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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CURL_CHECK_HEADER_MEMORY |
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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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socket.h \ |
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strings.h \ |
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stdbool.h \ |
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time.h \ |
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limits.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(int) |
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AC_CHECK_SIZEOF(long) |
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CARES_CONFIGURE_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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|
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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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CARES_CONFIGURE_ARES_SOCKLEN_T |
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TYPE_IN_ADDR_T |
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TYPE_SOCKADDR_STORAGE |
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TYPE_SIG_ATOMIC_T |
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AC_TYPE_SIGNAL |
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CURL_CHECK_FUNC_RECV |
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CURL_CHECK_FUNC_RECVFROM |
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CURL_CHECK_FUNC_SEND |
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CURL_CHECK_MSG_NOSIGNAL |
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CARES_CHECK_FUNC_CLOSESOCKET |
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CARES_CHECK_FUNC_CLOSESOCKET_CAMEL |
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CARES_CHECK_FUNC_FCNTL |
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CARES_CHECK_FUNC_FREEADDRINFO |
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CARES_CHECK_FUNC_GETADDRINFO |
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CARES_CHECK_FUNC_GETHOSTBYADDR |
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CARES_CHECK_FUNC_GETHOSTBYNAME |
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CARES_CHECK_FUNC_GETHOSTNAME |
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CARES_CHECK_FUNC_GETSERVBYPORT_R |
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CARES_CHECK_FUNC_INET_NTOP |
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CARES_CHECK_FUNC_INET_PTON |
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CARES_CHECK_FUNC_IOCTL |
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CARES_CHECK_FUNC_IOCTLSOCKET |
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CARES_CHECK_FUNC_IOCTLSOCKET_CAMEL |
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CARES_CHECK_FUNC_SETSOCKOPT |
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CARES_CHECK_FUNC_SOCKET |
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CARES_CHECK_FUNC_STRCASECMP |
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CARES_CHECK_FUNC_STRCMPI |
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CARES_CHECK_FUNC_STRDUP |
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CARES_CHECK_FUNC_STRICMP |
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CARES_CHECK_FUNC_STRNCASECMP |
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CARES_CHECK_FUNC_STRNCMPI |
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CARES_CHECK_FUNC_STRNICMP |
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CARES_CHECK_FUNC_WRITEV |
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dnl check for AF_INET6 |
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CARES_CHECK_CONSTANT( |
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[ |
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#undef inline |
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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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#endif |
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#else |
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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_SOCKET_H |
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#include <sys/socket.h> |
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#endif |
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#endif |
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], [PF_INET6], |
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AC_DEFINE_UNQUOTED(HAVE_PF_INET6,1,[Define to 1 if you have PF_INET6.]) |
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) |
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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
|
|
|