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main
configure.ac
885 строк
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sykhro
Restore compatibility with Microsoft GDK (#1010)
26 июл 2025, 01:24
Не верифицирован
26 июл 2025, 01:24
263b379
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dnl Copyright (C) The c-ares project and its contributors dnl SPDX-License-Identifier: MIT AC_PREREQ([2.69]) AC_INIT([c-ares], [1.34.5], [c-ares mailing list: http://lists.haxx.se/listinfo/c-ares]) CARES_VERSION_INFO="21:4:19" dnl This flag accepts an argument of the form current[:revision[:age]]. So, dnl passing -version-info 3:12:1 sets current to 3, revision to 12, and age to dnl 1. dnl dnl If either revision or age are omitted, they default to 0. Also note that age dnl must be less than or equal to the current interface number. dnl dnl Here are a set of rules to help you update your library version information: dnl dnl 1.Start with version information of 0:0:0 for each libtool library. dnl dnl 2.Update the version information only immediately before a public release of dnl your software. More frequent updates are unnecessary, and only guarantee dnl that the current interface number gets larger faster. dnl dnl 3.If the library source code has changed at all since the last update, then dnl increment revision (c:r+1:a) dnl dnl 4.If any interfaces have been added, removed, or changed since the last dnl update, increment current, and set revision to 0. (c+1:r=0:a) dnl dnl 5.If any interfaces have been added since the last public release, then dnl increment age. (c:r:a+1) dnl dnl 6.If any interfaces have been removed since the last public release, then dnl set age to 0. (c:r:a=0) dnl AC_SUBST([CARES_VERSION_INFO]) AC_CONFIG_SRCDIR([src/lib/ares_ipv6.h]) AC_CONFIG_HEADERS([src/lib/ares_config.h include/ares_build.h]) AC_CONFIG_AUX_DIR(config) AC_CONFIG_MACRO_DIR([m4]) AC_USE_SYSTEM_EXTENSIONS AX_CXX_COMPILE_STDCXX(14,[noext],[optional]) AX_CXX_COMPILE_STDCXX(17,[noext],[optional]) AM_INIT_AUTOMAKE([foreign subdir-objects 1.9.6]) LT_INIT([win32-dll,pic,disable-fast-install,aix-soname=svr4]) AC_LANG([C]) AC_PROG_CC AM_PROG_CC_C_O AC_PROG_EGREP AC_PROG_INSTALL AC_CANONICAL_HOST AX_COMPILER_VENDOR AC_MSG_CHECKING([whether this is native windows]) ac_cv_native_windows=no ac_cv_windows=no case $host_os in mingw*) ac_cv_native_windows=yes ac_cv_windows=yes ;; cygwin*) ac_cv_windows=yes ;; esac if test "$ax_cv_c_compiler_vendor" = "microsoft" ; then ac_cv_native_windows=yes ac_cv_windows=yes fi AC_MSG_RESULT($ac_cv_native_windows) AC_ENABLE_SHARED dnl Disable static builds by default on Windows unless overwritten since Windows dnl can't simultaneously build shared and static with autotools. AS_IF([test "x$ac_cv_windows" = "xyes"], [AC_DISABLE_STATIC], [AC_ENABLE_STATIC]) AC_ARG_ENABLE(warnings, AS_HELP_STRING([--disable-warnings],[Disable strict compiler warnings]), [ enable_warnings=${enableval} ], [ enable_warnings=yes ]) AC_ARG_ENABLE(symbol-hiding, AS_HELP_STRING([--disable-symbol-hiding], [Disable symbol hiding. Enabled by default if the compiler supports it.]), [ symbol_hiding="$enableval" if test "$symbol_hiding" = "no" -a "x$enable_shared" = "xyes" ; then case $host_os in cygwin* | mingw* | pw32* | cegcc*) AC_MSG_ERROR([Cannot disable symbol hiding on windows]) ;; esac fi ], [ if test "x$enable_shared" = "xyes" ; then symbol_hiding="maybe" else symbol_hiding="no" fi ] ) AC_ARG_ENABLE(tests, AS_HELP_STRING([--disable-tests], [disable building of test suite. Built by default if GoogleTest is found.]), [ build_tests="$enableval" ], [ if test "x$HAVE_CXX14" = "x1" && test "x$cross_compiling" = "xno" ; then build_tests="maybe" else build_tests="no" fi ] ) AC_ARG_ENABLE(cares-threads, AS_HELP_STRING([--disable-cares-threads], [Disable building of thread safety support]), [ CARES_THREADS=${enableval} ], [ CARES_THREADS=yes ]) AC_ARG_WITH(random, AS_HELP_STRING([--with-random=FILE], [read randomness from FILE (default=/dev/urandom)]), [ CARES_RANDOM_FILE="$withval" ], [ CARES_RANDOM_FILE="/dev/urandom" ] ) if test -n "$CARES_RANDOM_FILE" && test X"$CARES_RANDOM_FILE" != Xno ; then AC_SUBST(CARES_RANDOM_FILE) AC_DEFINE_UNQUOTED(CARES_RANDOM_FILE, "$CARES_RANDOM_FILE", [a suitable file/device to read random data from]) fi AM_MAINTAINER_MODE m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) dnl CARES_DEFINE_UNQUOTED (VARIABLE, [VALUE]) dnl ------------------------------------------------- dnl Like AC_DEFINE_UNQUOTED this macro will define a C preprocessor dnl symbol that can be further used in custom template configuration dnl files. This macro, unlike AC_DEFINE_UNQUOTED, does not use a third dnl argument for the description. Symbol definitions done with this dnl macro are intended to be exclusively used in handcrafted *.h.in dnl template files. Contrary to what AC_DEFINE_UNQUOTED does, this one dnl prevents autoheader generation and insertion of symbol template dnl stub and definition into the first configuration header file. Do dnl not use this macro as a replacement for AC_DEFINE_UNQUOTED, each dnl one serves different functional needs. AC_DEFUN([CARES_DEFINE_UNQUOTED], [ cat >>confdefs.h <<_EOF [@%:@define] $1 ifelse($#, 2, [$2], 1) _EOF ]) AX_CODE_COVERAGE AC_SYS_LARGEFILE case $host_os in solaris*) AC_DEFINE(ETC_INET, 1, [if a /etc/inet dir is being used]) ;; esac dnl solaris needed flag case $host_os in solaris2*) if test "x$GCC" = 'xyes'; then AX_APPEND_LINK_FLAGS([-mimpure-text]) fi ;; *) ;; esac dnl -no-undefined libtool (not linker) flag for windows cares_use_no_undefined=no case $host_os in cygwin* | mingw* | pw32* | cegcc* | os2* | aix*) cares_use_no_undefined=yes ;; *) ;; esac AM_CONDITIONAL([CARES_USE_NO_UNDEFINED], [test "$cares_use_no_undefined" = 'yes']) if test "$ac_cv_native_windows" = "yes" ; then AM_CPPFLAGS="$AM_CPPFLAGS -D_WIN32_WINNT=0x0602 -DWIN32_LEAN_AND_MEAN" fi dnl Windows can only build shared or static, not both at the same time if test "$ac_cv_native_windows" = "yes" -a "x$enable_shared" = "xyes" -a "x$enable_static" = "xyes" ; then AC_MSG_ERROR([Windows cannot build both static and shared simultaneously, specify --disable-shared or --disable-static]) fi dnl Only windows requires CARES_STATICLIB definition if test "x$enable_shared" = "xno" -a "x$enable_static" = "xyes" ; then AC_MSG_CHECKING([whether we need CARES_STATICLIB definition]) if test "$ac_cv_native_windows" = "yes" ; then AX_APPEND_FLAG([-DCARES_STATICLIB], [AM_CPPFLAGS]) PKGCONFIG_CFLAGS="-DCARES_STATICLIB" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi fi dnl Test for symbol hiding CARES_SYMBOL_HIDING_CFLAG="" if test "$symbol_hiding" != "no" ; then compiler_supports_symbol_hiding="no" if test "$ac_cv_windows" = "yes" ; then compiler_supports_symbol_hiding="yes" else case "$ax_cv_c_compiler_vendor" in clang|gnu|intel) AX_APPEND_COMPILE_FLAGS([-fvisibility=hidden], [CARES_SYMBOL_HIDING_CFLAG]) if test "x$CARES_SYMBOL_HIDING_CFLAG" != "x" ; then compiler_supports_symbol_hiding="yes" fi ;; sun) AX_APPEND_COMPILE_FLAGS([-xldscope=hidden], [CARES_SYMBOL_HIDING_CFLAG]) if test "x$CARES_SYMBOL_HIDING_CFLAG" != "x" ; then compiler_supports_symbol_hiding="yes" fi ;; esac fi if test "$compiler_supports_symbol_hiding" = "no" ; then if test "$symbol_hiding" = "yes" ; then AC_MSG_ERROR([Compiler does not support symbol hiding]) else symbol_hiding="no" fi else AC_DEFINE([CARES_SYMBOL_HIDING], [ 1 ], [Set to 1 if non-pubilc shared library symbols are hidden]) symbol_hiding="yes" fi fi AM_CONDITIONAL(CARES_SYMBOL_HIDING, test "x$symbol_hiding" = "xyes") AC_SUBST(CARES_SYMBOL_HIDING_CFLAG) if test "$enable_warnings" = "yes"; then AX_APPEND_COMPILE_FLAGS([-Wall -Wextra -Waggregate-return -Wcast-align -Wcast-qual -Wconversion -Wdeclaration-after-statement -Wdouble-promotion -Wfloat-equal -Wformat-security -Winit-self -Wjump-misses-init -Wlogical-op -Wmissing-braces -Wmissing-declarations -Wmissing-format-attribute -Wmissing-include-dirs -Wmissing-prototypes -Wnested-externs -Wno-coverage-mismatch -Wold-style-definition -Wpacked -Wpedantic -Wpointer-arith -Wredundant-decls -Wshadow -Wsign-conversion -Wstrict-overflow -Wstrict-prototypes -Wtrampolines -Wundef -Wunreachable-code -Wunused -Wvariadic-macros -Wvla -Wwrite-strings -Werror=implicit-int -Werror=implicit-function-declaration -Werror=partial-availability -Wno-long-long ], [AM_CFLAGS], [-Werror]) fi dnl Android and QNX require c99, all others should use c90 case $host_os in *qnx*|*android*) AX_APPEND_COMPILE_FLAGS([-std=c99], [AM_CFLAGS], [-Werror]) ;; *) AX_APPEND_COMPILE_FLAGS([-std=c90], [AM_CFLAGS], [-Werror]) ;; esac dnl QNX needs -D_QNX_SOURCE case $host_os in *qnx*) AX_APPEND_COMPILE_FLAGS([-D_QNX_SOURCE], [AM_CPPFLAGS], [-Werror]) ;; esac if test "$ax_cv_c_compiler_vendor" = "intel"; then AX_APPEND_COMPILE_FLAGS([-shared-intel], [AM_CFLAGS]) fi if test "$ac_cv_native_windows" = "yes" ; then dnl we use [ - ] in the 4th argument to tell AC_CHECK_HEADERS to simply dnl check for existence of the headers, not usability. This is because dnl on windows, header order matters, and you need to include headers *after* dnl other headers, AC_CHECK_HEADERS only allows you to specify headers that dnl must be included *before* the header being checked. AC_CHECK_HEADERS([windows.h winsock2.h ws2tcpip.h iphlpapi.h netioapi.h ws2ipdef.h winternl.h ntdef.h ntstatus.h mswsock.h ], [], [], [-]) dnl Windows builds require linking to iphlpapi if test "$ac_cv_header_winsock2_h" = "yes"; then LIBS="$LIBS -lws2_32 -liphlpapi" fi fi dnl ********************************************************************** dnl Checks for libraries. dnl ********************************************************************** dnl see if libnsl or libsocket are required AC_SEARCH_LIBS([getservbyport], [nsl socket resolv]) AC_MSG_CHECKING([if libxnet is required]) need_xnet=no case $host_os in hpux*) XNET_LIBS="" AX_APPEND_LINK_FLAGS([-lxnet], [XNET_LIBS]) if test "x$XNET_LIBS" != "x" ; then LIBS="$LIBS $XNET_LIBS" need_xnet=yes fi ;; esac AC_MSG_RESULT($need_xnet) dnl resolv lib for z/OS AS_IF([test "x$host_vendor" = "xibm" -a "x$host_os" = "xopenedition" ], [ AC_SEARCH_LIBS([res_init], [resolv], [ AC_DEFINE([CARES_USE_LIBRESOLV], [1], [Use resolver library to configure cares]) ], [ AC_MSG_ERROR([Unable to find libresolv which is required for z/OS]) ]) ]) dnl iOS 10? AS_IF([test "x$host_vendor" = "xapple"], [ AC_MSG_CHECKING([for iOS minimum version 10 or later]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include <stdio.h> #include <AvailabilityMacros.h> #include <TargetConditionals.h> ]], [[ #if TARGET_OS_IPHONE == 0 || __IPHONE_OS_VERSION_MIN_REQUIRED < 100000 #error Not iOS 10 or later #endif return 0; ]]) ],[ AC_MSG_RESULT([yes]) ac_cv_ios_10="yes" ],[ AC_MSG_RESULT([no]) ]) ]) dnl macOS 10.12? AS_IF([test "x$host_vendor" = "xapple"], [ AC_MSG_CHECKING([for macOS minimum version 10.12 or later]) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[ #include <stdio.h> #include <AvailabilityMacros.h> #include <TargetConditionals.h> ]], [[ #ifndef MAC_OS_X_VERSION_10_12 # define MAC_OS_X_VERSION_10_12 101200 #endif #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 #error Not macOS 10.12 or later #endif return 0; ]]) ],[ AC_MSG_RESULT([yes]) ac_cv_macos_10_12="yes" ],[ AC_MSG_RESULT([no]) ]) ]) AC_MSG_CHECKING([whether to use libgcc]) AC_ARG_ENABLE(libgcc, AS_HELP_STRING([--enable-libgcc],[use libgcc when linking]), [ case "$enableval" in yes) LIBS="$LIBS -lgcc" AC_MSG_RESULT(yes) ;; *) AC_MSG_RESULT(no) ;; esac ], AC_MSG_RESULT(no) ) dnl check for a few basic system headers we need. It would be nice if we could dnl split these on separate lines, but for some reason autotools on Windows doesn't dnl allow this, even tried ending lines with a backslash. AC_CHECK_HEADERS([malloc.h memory.h AvailabilityMacros.h sys/types.h sys/time.h sys/select.h sys/socket.h sys/filio.h sys/ioctl.h sys/param.h sys/uio.h sys/random.h sys/event.h sys/epoll.h assert.h iphlpapi.h netioapi.h netdb.h netinet/in.h netinet6/in6.h netinet/tcp.h net/if.h ifaddrs.h fcntl.h errno.h socket.h strings.h stdbool.h time.h poll.h limits.h arpa/nameser.h arpa/nameser_compat.h arpa/inet.h sys/system_properties.h ], dnl to do if not found [], dnl to do if found [], dnl default includes [ #ifdef HAVE_SYS_TYPES_H #include <sys/types.h> #endif #ifdef HAVE_SYS_TIME_H #include <sys/time.h> #endif dnl We do this default-include simply to make sure that the nameser_compat.h dnl header *REALLY* can be include after the new nameser.h. It seems AIX 5.1 dnl (and others?) is not designed to allow this. #ifdef HAVE_ARPA_NAMESER_H #include <arpa/nameser.h> #endif dnl *Sigh* these are needed in order for net/if.h to get properly detected. #ifdef HAVE_SYS_SOCKET_H #include <sys/socket.h> #endif #ifdef HAVE_NETINET_IN_H #include <netinet/in.h> #endif ] ) cares_all_includes=" #include <stdio.h> #include <stdlib.h> #ifdef HAVE_AVAILABILITYMACROS_H # include <AvailabilityMacros.h> #endif #ifdef HAVE_SYS_UIO_H # include <sys/uio.h> #endif #ifdef HAVE_NETINET_IN_H # include <netinet/in.h> #endif #ifdef HAVE_TCP_H # include <tcp.h> #endif #ifdef HAVE_SYS_FILIO_H # include <sys/filio.h> #endif #ifdef HAVE_SYS_IOCTL_H # include <sys/ioctl.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #ifdef HAVE_STRING_H # include <string.h> #endif #ifdef HAVE_STRINGS_H # include <strings.h> #endif #ifdef HAVE_TIME_H # include <time.h> #endif #ifdef HAVE_SYS_TIME_H # include <sys/time.h> #endif #ifdef HAVE_SYS_TYPES_H # include <sys/types.h> #endif #ifdef HAVE_SYS_STAT_H # include <sys/stat.h> #endif #ifdef HAVE_SYS_RANDOM_H # include <sys/random.h> #endif #ifdef HAVE_SYS_EVENT_H # include <sys/event.h> #endif #ifdef HAVE_SYS_EPOLL_H # include <sys/epoll.h> #endif #ifdef HAVE_SYS_SOCKET_H # include <sys/socket.h> #endif #ifdef HAVE_SYS_PARAM_H # include <sys/param.h> #endif #ifdef HAVE_FCNTL_H # include <fcntl.h> #endif #ifdef HAVE_POLL_H # include <poll.h> #endif #ifdef HAVE_NET_IF_H # include <net/if.h> #endif #ifdef HAVE_IFADDRS_H # include <ifaddrs.h> #endif #ifdef HAVE_NETINET_IN_H # include <netinet/in.h> #endif #ifdef HAVE_NETINET_TCP_H # include <netinet/tcp.h> #endif #ifdef HAVE_NETDB_H # include <netdb.h> #endif #ifdef HAVE_ARPA_INET_H # include <arpa/inet.h> #endif #ifdef HAVE_RESOLV_H # include <resolv.h> #endif #ifdef HAVE_SYS_SYSTEM_PROPERTIES_H # include <sys/system_properties.h> #endif #ifdef HAVE_IPHLPAPI_H # include <iphlpapi.h> #endif #ifdef HAVE_NETIOAPI_H # include <netioapi.h> #endif #ifdef HAVE_WINSOCK2_H # include <winsock2.h> #endif #ifdef HAVE_WS2IPDEF_H # include <ws2ipdef.h> #endif #ifdef HAVE_WS2TCPIP_H # include <ws2tcpip.h> #endif #ifdef HAVE_WINDOWS_H # include <windows.h> #endif " AC_CHECK_DECL([HAVE_ARPA_NAMESER_H],[CARES_DEFINE_UNQUOTED([CARES_HAVE_ARPA_NAMESER_H])], []) AC_CHECK_DECL([HAVE_ARPA_NAMESER_COMPAT_H],[CARES_DEFINE_UNQUOTED([CARES_HAVE_ARPA_NAMESER_COMPAT_H])],[]) AC_CHECK_TYPE(long long, [AC_DEFINE(HAVE_LONGLONG, 1, [Define to 1 if the compiler supports the 'long long' data type.])]) AC_CHECK_TYPE(ssize_t, [ CARES_TYPEOF_ARES_SSIZE_T=ssize_t ], [ CARES_TYPEOF_ARES_SSIZE_T=int ]) AC_DEFINE_UNQUOTED([CARES_TYPEOF_ARES_SSIZE_T], ${CARES_TYPEOF_ARES_SSIZE_T}, [the signed version of size_t]) AC_CHECK_TYPE(socklen_t, [ AC_DEFINE(HAVE_SOCKLEN_T, [], [socklen_t]) CARES_DEFINE_UNQUOTED([CARES_TYPEOF_ARES_SOCKLEN_T], [socklen_t]) ], [ CARES_DEFINE_UNQUOTED([CARES_TYPEOF_ARES_SOCKLEN_T], [int]) ], $cares_all_includes ) AC_CHECK_TYPE(SOCKET, [], [], $cares_all_includes) AC_CHECK_TYPE(OVERLAPPED_ENTRY, [AC_DEFINE([HAVE_OVERLAPPED_ENTRY], 1, [Define to 1 if you have `OVERLAPPED_ENTRY`] )], [], $cares_all_includes) dnl ############################################################################### dnl clock_gettime might require an external library AC_SEARCH_LIBS([clock_gettime], [rt posix4]) dnl Use AC_CHECK_DECL not AC_CHECK_FUNCS, while this doesn't do a linkage test, dnl it just makes sure the headers define it, this is the only thing without dnl a complex workaround on Windows that will do what we need. See: dnl https://github.com/msys2/msys2/wiki/Porting/f87a222118b1008ebc166ad237f04edb759c8f4c#calling-conventions-stdcall-and-autotools dnl https://lists.gnu.org/archive/html/autoconf/2013-05/msg00085.html dnl and for a more complex workaround, we'd need to use AC_LINK_IFELSE like: dnl https://mailman.videolan.org/pipermail/vlc-devel/2015-March/101802.html dnl which would require we check each individually and provide function arguments dnl for the test. AC_CHECK_DECL(strnlen, [AC_DEFINE([HAVE_STRNLEN], 1, [Define to 1 if you have `strnlen`] )], [], $cares_all_includes) AC_CHECK_DECL(memmem, [AC_DEFINE([HAVE_MEMMEM], 1, [Define to 1 if you have `memmem`] )], [], $cares_all_includes) AC_CHECK_DECL(recv, [AC_DEFINE([HAVE_RECV], 1, [Define to 1 if you have `recv`] )], [], $cares_all_includes) AC_CHECK_DECL(recvfrom, [AC_DEFINE([HAVE_RECVFROM], 1, [Define to 1 if you have `recvfrom`] )], [], $cares_all_includes) AC_CHECK_DECL(send, [AC_DEFINE([HAVE_SEND], 1, [Define to 1 if you have `send`] )], [], $cares_all_includes) AC_CHECK_DECL(sendto, [AC_DEFINE([HAVE_SENDTO], 1, [Define to 1 if you have `sendto`] )], [], $cares_all_includes) AC_CHECK_DECL(getnameinfo, [AC_DEFINE([HAVE_GETNAMEINFO], 1, [Define to 1 if you have `getnameinfo`] )], [], $cares_all_includes) AC_CHECK_DECL(gethostname, [AC_DEFINE([HAVE_GETHOSTNAME], 1, [Define to 1 if you have `gethostname`] )], [], $cares_all_includes) AC_CHECK_DECL(connect, [AC_DEFINE([HAVE_CONNECT], 1, [Define to 1 if you have `connect`] )], [], $cares_all_includes) AC_CHECK_DECL(connectx, [AC_DEFINE([HAVE_CONNECTX], 1, [Define to 1 if you have `connectx`] )], [], $cares_all_includes) AC_CHECK_DECL(closesocket, [AC_DEFINE([HAVE_CLOSESOCKET], 1, [Define to 1 if you have `closesocket`] )], [], $cares_all_includes) AC_CHECK_DECL(CloseSocket, [AC_DEFINE([HAVE_CLOSESOCKET_CAMEL], 1, [Define to 1 if you have `CloseSocket`] )], [], $cares_all_includes) AC_CHECK_DECL(fcntl, [AC_DEFINE([HAVE_FCNTL], 1, [Define to 1 if you have `fcntl`] )], [], $cares_all_includes) AC_CHECK_DECL(getenv, [AC_DEFINE([HAVE_GETENV], 1, [Define to 1 if you have `getenv`] )], [], $cares_all_includes) AC_CHECK_DECL(gethostname, [AC_DEFINE([HAVE_GETHOSTNAME], 1, [Define to 1 if you have `gethostname`] )], [], $cares_all_includes) AC_CHECK_DECL(getrandom, [AC_DEFINE([HAVE_GETRANDOM], 1, [Define to 1 if you have `getrandom`] )], [], $cares_all_includes) AC_CHECK_DECL(getservbyport_r, [AC_DEFINE([HAVE_GETSERVBYPORT_R], 1, [Define to 1 if you have `getservbyport_r`])], [], $cares_all_includes) AC_CHECK_DECL(inet_net_pton, [AC_DEFINE([HAVE_INET_NET_PTON], 1, [Define to 1 if you have `inet_net_pton`] )], [], $cares_all_includes) AC_CHECK_DECL(inet_ntop, [AC_DEFINE([HAVE_INET_NTOP], 1, [Define to 1 if you have `inet_ntop`] )], [], $cares_all_includes) AC_CHECK_DECL(inet_pton, [AC_DEFINE([HAVE_INET_PTON], 1, [Define to 1 if you have `inet_pton`] )], [], $cares_all_includes) AC_CHECK_DECL(ioctl, [AC_DEFINE([HAVE_IOCTL], 1, [Define to 1 if you have `ioctl`] )], [], $cares_all_includes) AC_CHECK_DECL(ioctlsocket, [AC_DEFINE([HAVE_IOCTLSOCKET], 1, [Define to 1 if you have `ioctlsocket`] )], [], $cares_all_includes) AC_CHECK_DECL(IoctlSocket, [AC_DEFINE([HAVE_IOCTLSOCKET_CAMEL], 1, [Define to 1 if you have `IoctlSocket`] )], [], $cares_all_includes) AC_CHECK_DECL(setsockopt, [AC_DEFINE([HAVE_SETSOCKOPT], 1, [Define to 1 if you have `setsockopt`] )], [], $cares_all_includes) AC_CHECK_DECL(socket, [AC_DEFINE([HAVE_SOCKET], 1, [Define to 1 if you have `socket`] )], [], $cares_all_includes) AC_CHECK_DECL(strcasecmp, [AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have `strcasecmp`] )], [], $cares_all_includes) AC_CHECK_DECL(strdup, [AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have `strdup`] )], [], $cares_all_includes) AC_CHECK_DECL(stricmp, [AC_DEFINE([HAVE_STRICMP], 1, [Define to 1 if you have `stricmp`] )], [], $cares_all_includes) AC_CHECK_DECL(strncasecmp, [AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have `strncasecmp`] )], [], $cares_all_includes) AC_CHECK_DECL(strncmpi, [AC_DEFINE([HAVE_STRNCMPI], 1, [Define to 1 if you have `strncmpi`] )], [], $cares_all_includes) AC_CHECK_DECL(strnicmp, [AC_DEFINE([HAVE_STRNICMP], 1, [Define to 1 if you have `strnicmp`] )], [], $cares_all_includes) AC_CHECK_DECL(writev, [AC_DEFINE([HAVE_WRITEV], 1, [Define to 1 if you have `writev`] )], [], $cares_all_includes) AC_CHECK_DECL(arc4random_buf, [AC_DEFINE([HAVE_ARC4RANDOM_BUF], 1, [Define to 1 if you have `arc4random_buf`] )], [], $cares_all_includes) AC_CHECK_DECL(stat, [AC_DEFINE([HAVE_STAT], 1, [Define to 1 if you have `stat`] )], [], $cares_all_includes) AC_CHECK_DECL(gettimeofday, [AC_DEFINE([HAVE_GETTIMEOFDAY], 1, [Define to 1 if you have `gettimeofday`] )], [], $cares_all_includes) AC_CHECK_DECL(clock_gettime, [AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [Define to 1 if you have `clock_gettime`] )], [], $cares_all_includes) AC_CHECK_DECL(if_indextoname, [AC_DEFINE([HAVE_IF_INDEXTONAME], 1, [Define to 1 if you have `if_indextoname`] )], [], $cares_all_includes) AC_CHECK_DECL(if_nametoindex, [AC_DEFINE([HAVE_IF_NAMETOINDEX], 1, [Define to 1 if you have `if_nametoindex`] )], [], $cares_all_includes) AC_CHECK_DECL(getifaddrs, [AC_DEFINE([HAVE_GETIFADDRS], 1, [Define to 1 if you have `getifaddrs`] )], [], $cares_all_includes) AC_CHECK_DECL(poll, [AC_DEFINE([HAVE_POLL], 1, [Define to 1 if you have `poll`] )], [], $cares_all_includes) AC_CHECK_DECL(pipe, [AC_DEFINE([HAVE_PIPE], 1, [Define to 1 if you have `pipe`] )], [], $cares_all_includes) AC_CHECK_DECL(pipe2, [AC_DEFINE([HAVE_PIPE2], 1, [Define to 1 if you have `pipe2`] )], [], $cares_all_includes) AC_CHECK_DECL(kqueue, [AC_DEFINE([HAVE_KQUEUE], 1, [Define to 1 if you have `kqueue`] )], [], $cares_all_includes) AC_CHECK_DECL(epoll_create1, [AC_DEFINE([HAVE_EPOLL], 1, [Define to 1 if you have `epoll_{create1,ctl,wait}`])], [], $cares_all_includes) AC_CHECK_DECL(GetBestRoute2, [AC_DEFINE([HAVE_GETBESTROUTE2], 1, [Define to 1 if you have `GetBestRoute2`] )], [], $cares_all_includes) AC_CHECK_DECL(GetQueuedCompletionStatusEx, [AC_DEFINE([HAVE_GETQUEUEDCOMPLETIONSTATUSEX], 1, [Define to 1 if you have `GetQueuedCompletionStatusEx`])], [], $cares_all_includes) AC_CHECK_DECL(ConvertInterfaceIndexToLuid, [AC_DEFINE([HAVE_CONVERTINTERFACEINDEXTOLUID], 1, [Define to 1 if you have `ConvertInterfaceIndexToLuid`])], [], $cares_all_includes) AC_CHECK_DECL(ConvertInterfaceLuidToNameA, [AC_DEFINE([HAVE_CONVERTINTERFACELUIDTONAMEA], 1, [Define to 1 if you have `ConvertInterfaceLuidToNameA`])], [], $cares_all_includes) AC_CHECK_DECL(NotifyIpInterfaceChange, [AC_DEFINE([HAVE_NOTIFYIPINTERFACECHANGE], 1, [Define to 1 if you have `NotifyIpInterfaceChange`] )], [], $cares_all_includes) AC_CHECK_DECL(RegisterWaitForSingleObject, [AC_DEFINE([HAVE_REGISTERWAITFORSINGLEOBJECT], 1, [Define to 1 if you have `RegisterWaitForSingleObject`])], [], $cares_all_includes) AC_CHECK_DECL(RegNotifyChangeKeyValue, [AC_DEFINE([HAVE_REGNOTIFYCHANGEKEYVALUE], 1, [Define to 1 if you have `RegNotifyChangeKeyValue`])], [], $cares_all_includes) AC_CHECK_DECL(__system_property_get, [AC_DEFINE([HAVE___SYSTEM_PROPERTY_GET], 1, [Define to 1 if you have `__system_property_get`] )], [], $cares_all_includes) AC_CHECK_DECL(SetFileCompletionNotificationModes, [AC_DEFINE([HAVE_SETFILECOMPLETIONNOTIFICATIONMODES], 1, [Define to 1 if you have `SetFileCompletionNotificationModes`])], [], $cares_all_includes) AC_CHECK_DECL(WSAIoctl, [AC_DEFINE([HAVE_WSAIoctl], 1, [Define to 1 if you have `WSAIoctl`])], [], $cares_all_includes) dnl ############################################################################### dnl recv, recvfrom, send, getnameinfo, gethostname dnl ARGUMENTS AND RETURN VALUES if test "x$ac_cv_type_ssize_t" = "xyes" -a "x$ac_cv_type_socklen_t" = "xyes" -a "x$ac_cv_native_windows" != "xyes" ; then recvfrom_type_retv="ssize_t" recvfrom_type_arg3="size_t" else recvfrom_type_retv="int" recvfrom_type_arg3="int" fi if test "x$ac_cv_type_SOCKET" = "xyes" ; then dnl If the SOCKET type is defined, it uses socket ... should be windows only recvfrom_type_arg1="SOCKET" else recvfrom_type_arg1="int" fi if test "x$ac_cv_type_socklen_t" = "xyes" ; then recvfrom_type_arg6="socklen_t *" getnameinfo_type_arg2="socklen_t" getnameinfo_type_arg46="socklen_t" else recvfrom_type_arg6="int *" getnameinfo_type_arg2="int" getnameinfo_type_arg46="int" fi if test "x$ac_cv_native_windows" = "xyes" ; then recv_type_arg2="char *" else recv_type_arg2="void *" fi dnl Functions are typically consistent so the equivalent fields map ... equivalently recv_type_retv=${recvfrom_type_retv} send_type_retv=${recvfrom_type_retv} recv_type_arg1=${recvfrom_type_arg1} recvfrom_type_arg2=${recv_type_arg2} send_type_arg1=${recvfrom_type_arg1} recv_type_arg3=${recvfrom_type_arg3} send_type_arg3=${recvfrom_type_arg3} gethostname_type_arg2=${recvfrom_type_arg3} dnl These should always be "sane" values to use always recvfrom_qual_arg5= recvfrom_type_arg4=int recvfrom_type_arg5="struct sockaddr *" recv_type_arg4=int getnameinfo_type_arg1="struct sockaddr *" getnameinfo_type_arg7=int send_type_arg2="const void *" send_type_arg4=int AC_DEFINE_UNQUOTED([RECVFROM_TYPE_RETV], [ ${recvfrom_type_retv} ], [ recvfrom() return value ]) AC_DEFINE_UNQUOTED([RECVFROM_TYPE_ARG1], [ ${recvfrom_type_arg1} ], [ recvfrom() arg1 type ]) AC_DEFINE_UNQUOTED([RECVFROM_TYPE_ARG2], [ ${recvfrom_type_arg2} ], [ recvfrom() arg2 type ]) AC_DEFINE_UNQUOTED([RECVFROM_TYPE_ARG3], [ ${recvfrom_type_arg3} ], [ recvfrom() arg3 type ]) AC_DEFINE_UNQUOTED([RECVFROM_TYPE_ARG4], [ ${recvfrom_type_arg4} ], [ recvfrom() arg4 type ]) AC_DEFINE_UNQUOTED([RECVFROM_TYPE_ARG5], [ ${recvfrom_type_arg5} ], [ recvfrom() arg5 type ]) AC_DEFINE_UNQUOTED([RECVFROM_QUAL_ARG5], [ ${recvfrom_qual_arg5}], [ recvfrom() arg5 qualifier]) AC_DEFINE_UNQUOTED([RECV_TYPE_RETV], [ ${recv_type_retv} ], [ recv() return value ]) AC_DEFINE_UNQUOTED([RECV_TYPE_ARG1], [ ${recv_type_arg1} ], [ recv() arg1 type ]) AC_DEFINE_UNQUOTED([RECV_TYPE_ARG2], [ ${recv_type_arg2} ], [ recv() arg2 type ]) AC_DEFINE_UNQUOTED([RECV_TYPE_ARG3], [ ${recv_type_arg3} ], [ recv() arg3 type ]) AC_DEFINE_UNQUOTED([RECV_TYPE_ARG4], [ ${recv_type_arg4} ], [ recv() arg4 type ]) AC_DEFINE_UNQUOTED([SEND_TYPE_RETV], [ ${send_type_retv} ], [ send() return value ]) AC_DEFINE_UNQUOTED([SEND_TYPE_ARG1], [ ${send_type_arg1} ], [ send() arg1 type ]) AC_DEFINE_UNQUOTED([SEND_TYPE_ARG2], [ ${send_type_arg2} ], [ send() arg2 type ]) AC_DEFINE_UNQUOTED([SEND_TYPE_ARG3], [ ${send_type_arg3} ], [ send() arg3 type ]) AC_DEFINE_UNQUOTED([SEND_TYPE_ARG4], [ ${send_type_arg4} ], [ send() arg4 type ]) AC_DEFINE_UNQUOTED([GETNAMEINFO_TYPE_ARG1], [ ${getnameinfo_type_arg1} ], [ getnameinfo() arg1 type ]) AC_DEFINE_UNQUOTED([GETNAMEINFO_TYPE_ARG2], [ ${getnameinfo_type_arg2} ], [ getnameinfo() arg2 type ]) AC_DEFINE_UNQUOTED([GETNAMEINFO_TYPE_ARG7], [ ${getnameinfo_type_arg7} ], [ getnameinfo() arg7 type ]) AC_DEFINE_UNQUOTED([GETNAMEINFO_TYPE_ARG46], [ ${getnameinfo_type_arg46} ], [ getnameinfo() arg4 and 6 type ]) AC_DEFINE_UNQUOTED([GETHOSTNAME_TYPE_ARG2], [ ${gethostname_type_arg2} ], [ gethostname() arg2 type ]) dnl ############################################################################### if test "$ac_cv_have_decl_getservbyport_r" = "yes" ; then AC_MSG_CHECKING([number of arguments for getservbyport_r()]) getservbyport_r_args=6 case $host_os in solaris*) getservbyport_r_args=5 ;; aix*|openbsd*) getservbyport_r_args=4 ;; esac AC_MSG_RESULT([$getservbyport_r_args]) AC_DEFINE_UNQUOTED([GETSERVBYPORT_R_ARGS], [ $getservbyport_r_args ], [ number of arguments for getservbyport_r() ]) fi if test "$ac_cv_have_decl_getservbyname_r" = "yes" ; then AC_MSG_CHECKING([number of arguments for getservbyname_r()]) getservbyname_r_args=6 case $host_os in solaris*) getservbyname_r_args=5 ;; aix*|openbsd*) getservbyname_r_args=4 ;; esac AC_DEFINE_UNQUOTED([GETSERVBYNAME_R_ARGS], [ $getservbyname_r_args ], [ number of arguments for getservbyname_r() ]) AC_MSG_RESULT([$getservbyname_r_args]) fi AC_TYPE_SIZE_T AC_CHECK_DECL(AF_INET6, [AC_DEFINE([HAVE_AF_INET6],1,[Define to 1 if you have AF_INET6])], [], $cares_all_includes) AC_CHECK_DECL(PF_INET6, [AC_DEFINE([HAVE_PF_INET6],1,[Define to 1 if you have PF_INET6])], [], $cares_all_includes) AC_CHECK_TYPES(struct in6_addr, [], [], $cares_all_includes) AC_CHECK_TYPES(struct sockaddr_in6, [], [], $cares_all_includes) AC_CHECK_TYPES(struct sockaddr_storage, [], [], $cares_all_includes) AC_CHECK_TYPES(struct addrinfo, [], [], $cares_all_includes) AC_CHECK_TYPES(struct timeval, [], [], $cares_all_includes) AC_CHECK_MEMBERS(struct sockaddr_in6.sin6_scope_id, [], [], $cares_all_includes) AC_CHECK_MEMBERS(struct addrinfo.ai_flags, [], [], $cares_all_includes) AC_CHECK_DECL(FIONBIO, [], [], $cares_all_includes) AC_CHECK_DECL(O_NONBLOCK, [], [], $cares_all_includes) AC_CHECK_DECL(SO_NONBLOCK, [], [], $cares_all_includes) AC_CHECK_DECL(MSG_NOSIGNAL, [], [], $cares_all_includes) AC_CHECK_DECL(CLOCK_MONOTONIC, [], [], $cares_all_includes) if test "$ac_cv_have_decl_CLOCK_MONOTONIC" = "yes" -a "$ac_cv_have_decl_clock_gettime" = "yes" ; then AC_DEFINE([HAVE_CLOCK_GETTIME_MONOTONIC], [ 1 ], [ clock_gettime() with CLOCK_MONOTONIC support ]) fi if test "$ac_cv_have_decl_FIONBIO" = "yes" -a "$ac_cv_have_decl_ioctl" = "yes" ; then AC_DEFINE([HAVE_IOCTL_FIONBIO], [ 1 ], [ ioctl() with FIONBIO support ]) fi if test "$ac_cv_have_decl_FIONBIO" = "yes" -a "$ac_cv_have_decl_ioctlsocket" = "yes" ; then AC_DEFINE([HAVE_IOCTLSOCKET_FIONBIO], [ 1 ], [ ioctlsocket() with FIONBIO support ]) fi if test "$ac_cv_have_decl_SO_NONBLOCK" = "yes" -a "$ac_cv_have_decl_setsockopt" = "yes" ; then AC_DEFINE([HAVE_SETSOCKOPT_SO_NONBLOCK], [ 1 ], [ setsockopt() with SO_NONBLOCK support ]) fi if test "$ac_cv_have_decl_O_NONBLOCK" = "yes" -a "$ac_cv_have_decl_fcntl" = "yes" ; then AC_DEFINE([HAVE_FCNTL_O_NONBLOCK], [ 1 ], [ fcntl() with O_NONBLOCK support ]) fi dnl ares_build.h.in specific defines if test "x$ac_cv_header_sys_types_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_SYS_TYPES_H],[1]) fi if test "x$ac_cv_header_sys_socket_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_SYS_SOCKET_H],[1]) fi if test "x$ac_cv_header_sys_select_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_SYS_SELECT_H],[1]) fi if test "x$ac_cv_header_ws2tcpip_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_WS2TCPIP_H],[1]) fi if test "x$ac_cv_header_winsock2_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_WINSOCK2_H],[1]) fi if test "x$ac_cv_header_windows_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_WINDOWS_H],[1]) fi if test "x$ac_cv_header_arpa_nameser_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_ARPA_NAMESER_H],[1]) fi if test "x$ac_cv_header_arpa_nameser_compa_h" = "xyes" ; then CARES_DEFINE_UNQUOTED([CARES_HAVE_ARPA_NAMESER_COMPA_H],[1]) fi dnl ------------ THREADING -------------- dnl windows always supports threads, only check non-windows systems. if test "${CARES_THREADS}" = "yes" -a "x${ac_cv_native_windows}" != "xyes" ; then AX_PTHREAD([ ], [ AC_MSG_WARN([threads requested but not supported]) CARES_THREADS=no ]) if test "${CARES_THREADS}" = "yes" ; then AC_CHECK_HEADERS([pthread.h pthread_np.h]) LIBS="$PTHREAD_LIBS $LIBS" AM_CFLAGS="$AM_CFLAGS $PTHREAD_CFLAGS" CC="$PTHREAD_CC" CXX="$PTHREAD_CXX" fi fi if test "${CARES_THREADS}" = "yes" ; then AC_DEFINE([CARES_THREADS], [ 1 ], [Threading enabled]) fi CARES_PRIVATE_LIBS="$LIBS" AC_SUBST(CARES_PRIVATE_LIBS) BUILD_SUBDIRS="include src docs" dnl ******** TESTS ******* if test "x$build_tests" != "xno" -a "x$cross_compiling" = "xyes" ; then if test "x$build_tests" = "xmaybe" ; then AC_MSG_WARN([cannot build tests when cross compiling]) build_tests=no else AC_MSG_ERROR([*** Tests not supported when cross compiling]) fi fi dnl Forces compiling of tests even when cross-compiling. AC_ARG_ENABLE(tests-crossbuild, AS_HELP_STRING([--enable-tests-crossbuild], [Enable test building even when cross building]), [build_tests="$enableval"] ) if test "x$build_tests" != "xno" ; then PKG_CHECK_MODULES([GMOCK], [gmock], [ have_gmock=yes ], [ have_gmock=no ]) if test "x$have_gmock" = "xno" ; then if test "x$build_tests" = "xmaybe" ; then AC_MSG_WARN([gmock could not be found, not building tests]) build_tests=no else AC_MSG_ERROR([tests require gmock]) fi else PKG_CHECK_MODULES([GMOCK112], [gmock >= 1.12.0], [ have_gmock_v112=yes ], [ have_gmock_v112=no ]) if test "x$have_gmock_v112" = "xyes" ; then ARES_CHECK_USER_NAMESPACE ARES_CHECK_UTS_NAMESPACE fi PKG_CHECK_MODULES([GMOCK117], [gmock >= 1.17.0], [ have_gmock_v117=yes ], [ have_gmock_v117=no ]) if test "x$have_gmock_v117" = "xyes" ; then dnl GMock v1.17.0 requires C++17 or higher AX_CXX_COMPILE_STDCXX(17,[noext],[mandatory]) else dnl older version needed v1.14.0 AX_CXX_COMPILE_STDCXX(14,[noext],[mandatory]) fi fi fi if test "x$build_tests" != "xno" ; then build_tests=yes if test "$ac_cv_native_windows" != "yes" ; then AX_PTHREAD([ CARES_TEST_PTHREADS="yes" ], [ AC_MSG_ERROR([threading required for tests]) ]) fi BUILD_SUBDIRS="${BUILD_SUBDIRS} test" fi AC_MSG_CHECKING([whether to build tests]) AC_MSG_RESULT([$build_tests]) AM_CONDITIONAL(BUILD_TESTS, test "x$build_tests" = "xyes") AC_SUBST(AM_CFLAGS) AC_SUBST(AM_CPPFLAGS) AC_SUBST(PKGCONFIG_CFLAGS) AC_SUBST(BUILD_SUBDIRS) AC_CONFIG_FILES([Makefile include/Makefile src/Makefile src/lib/Makefile src/tools/Makefile docs/Makefile libcares.pc ]) AM_COND_IF([BUILD_TESTS], [AC_CONFIG_FILES([test/Makefile])]) AC_OUTPUT