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857 lines
20 KiB
857 lines
20 KiB
AC_INIT([c-ares],[1.5.1],[daniel@haxx.se]) |
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AC_PREREQ(2.57) |
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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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AM_INIT_AUTOMAKE |
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|
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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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|
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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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|
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AC_AIX |
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AC_PROG_CC |
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AM_PROG_CC_C_O |
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AC_PROG_INSTALL |
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|
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case $host_os in |
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solaris*) |
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AC_DEFINE(ETC_INET, 1, [if a /etc/inet dir is being used]) |
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;; |
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esac |
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|
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dnl support building of Windows DLLs |
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AC_LIBTOOL_WIN32_DLL |
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|
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dnl ************************************************************ |
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dnl Option to switch on debug options. This makes an assumption that |
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dnl this is built as an 'ares' subdir in the curl source tree. Subject for |
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dnl improval in the future! |
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dnl |
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AC_MSG_CHECKING([whether to enable debug options]) |
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AC_ARG_ENABLE(debug, |
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AC_HELP_STRING([--enable-debug],[Enable pedantic debug options]) |
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AC_HELP_STRING([--disable-debug],[Disable debug options]), |
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[ case "$enableval" in |
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no) |
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AC_MSG_RESULT(no) |
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;; |
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*) AC_MSG_RESULT(yes) |
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|
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dnl when doing the debug stuff, use static library only |
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AC_DISABLE_SHARED |
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debugbuild="yes" |
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|
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dnl the entire --enable-debug is a hack that lives and runs on top of |
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dnl libcurl stuff so this BUILDING_LIBCURL is not THAT much uglier |
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AC_DEFINE(BUILDING_LIBCURL, 1, [when building as static part of libcurl]) |
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|
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CPPFLAGS="$CPPFLAGS -DCURLDEBUG -I$srcdir/../include" |
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CFLAGS="$CFLAGS -g" |
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dnl check for how to do large files, needed to get the curl_off_t check |
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dnl done right |
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AC_SYS_LARGEFILE |
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AC_CHECK_SIZEOF(curl_off_t, ,[ |
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#include <stdio.h> |
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#include "$srcdir/../include/curl/curl.h" |
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]) |
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|
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dnl set compiler "debug" options to become more picky, and remove |
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dnl optimize options from CFLAGS |
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CURL_CC_DEBUG_OPTS |
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|
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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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AM_CONDITIONAL(DEBUGBUILD, test x$debugbuild = xyes) |
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|
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dnl skip libtool C++ and Fortran compiler checks |
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m4_ifdef([AC_PROG_CXX], [m4_undefine([AC_PROG_CXX])]) |
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m4_defun([AC_PROG_CXX],[]) |
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m4_ifdef([AC_PROG_F77], [m4_undefine([AC_PROG_F77])]) |
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m4_defun([AC_PROG_F77],[]) |
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|
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dnl skip libtool C++ and Fortran linker checks |
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m4_ifdef([AC_LIBTOOL_CXX], [m4_undefine([AC_LIBTOOL_CXX])]) |
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m4_defun([AC_LIBTOOL_CXX],[]) |
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m4_ifdef([AC_LIBTOOL_F77], [m4_undefine([AC_LIBTOOL_F77])]) |
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m4_defun([AC_LIBTOOL_F77],[]) |
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|
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dnl force libtool to build static libraries with PIC on AMD64-linux |
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AC_MSG_CHECKING([if arch-OS host is AMD64-linux (to build static libraries with PIC)]) |
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case $host in |
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x86_64*linux*) |
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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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|
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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 $host in |
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*-*-cygwin | *-*-mingw* | *-*-pw32*) |
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need_no_undefined=yes |
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;; |
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*) |
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need_no_undefined=no |
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;; |
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esac |
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AC_MSG_RESULT($need_no_undefined) |
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AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes) |
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dnl ********************************************************************** |
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dnl check if this is the Intel ICC compiler, and if so make it stricter |
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dnl (convert warning 147 into an error) so that it properly can detect the |
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dnl gethostbyname_r() version |
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dnl ********************************************************************** |
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CURL_DETECT_ICC([CFLAGS="$CFLAGS -we 147"]) |
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|
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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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case $host in |
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# |
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x86_64*linux*) |
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# |
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dnl find out if icc is being used |
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if test "z$ICC" = "z"; then |
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CURL_DETECT_ICC |
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fi |
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# |
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if test "$ICC" = "yes"; then |
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dnl figure out icc version |
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AC_MSG_CHECKING([icc version]) |
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iccver=`$CC -dumpversion` |
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iccnhi=`echo $iccver | cut -d . -f1` |
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iccnlo=`echo $iccver | cut -d . -f2` |
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iccnum=`(expr $iccnhi "*" 100 + $iccnlo) 2>/dev/null` |
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AC_MSG_RESULT($iccver) |
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# |
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if test "$iccnum" -ge "900" && test "$iccnum" -lt "1000"; then |
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dnl icc 9.X specific |
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CFLAGS="$CFLAGS -i-dynamic" |
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fi |
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# |
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if test "$iccnum" -ge "1000"; then |
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dnl icc 10.X or later |
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CFLAGS="$CFLAGS -shared-intel" |
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fi |
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# |
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fi |
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;; |
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# |
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esac |
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|
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dnl ********************************************************************** |
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dnl Checks for libraries. |
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dnl ********************************************************************** |
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dnl gethostbyname without lib or in the nsl lib? |
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AC_CHECK_FUNC(gethostbyname, |
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[HAVE_GETHOSTBYNAME="1" |
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], |
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[ AC_CHECK_LIB(nsl, gethostbyname, |
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[HAVE_GETHOSTBYNAME="1" |
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LIBS="$LIBS -lnsl" |
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]) |
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]) |
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|
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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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|
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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 $LIBS" |
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AC_TRY_LINK( , |
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[gethostbyname();], |
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[ dnl found it! |
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HAVE_GETHOSTBYNAME="1" |
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AC_MSG_RESULT([yes])], |
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[ dnl failed! |
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AC_MSG_RESULT([no]) |
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dnl restore LIBS |
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LIBS=$my_ac_save_LIBS] |
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) |
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fi |
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if test "$HAVE_GETHOSTBYNAME" != "1" |
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then |
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dnl This is for Msys/Mingw |
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AC_MSG_CHECKING([for gethostbyname in ws2_32]) |
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my_ac_save_LIBS=$LIBS |
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LIBS="-lws2_32 $LIBS" |
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AC_TRY_LINK([#include <winsock2.h>], |
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[gethostbyname("www.dummysite.com");], |
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[ dnl worked! |
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ws2="yes" |
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AC_MSG_RESULT([yes]) |
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HAVE_GETHOSTBYNAME="1"], |
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[ dnl failed, restore LIBS |
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LIBS=$my_ac_save_LIBS |
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AC_MSG_RESULT(no)] |
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) |
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fi |
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|
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if test "$HAVE_GETHOSTBYNAME" != "1" |
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then |
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dnl This is for eCos with a stubbed DNS implementation |
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AC_MSG_CHECKING([for gethostbyname for eCos]) |
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AC_TRY_LINK([ |
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#include <stdio.h> |
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#include <netdb.h>], |
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[gethostbyname("www.dummysite.com");], |
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[ dnl worked! |
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AC_MSG_RESULT([yes]) |
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HAVE_GETHOSTBYNAME="1"], |
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AC_MSG_RESULT(no) |
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) |
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fi |
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|
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if test "$HAVE_GETHOSTBYNAME" != "1" |
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then |
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dnl gethostbyname in the 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_DEFINE(HAVE_GETHOSTBYNAME, 1, [If you have gethostbyname]) |
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else |
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AC_MSG_ERROR([couldn't find libraries for gethostbyname()]) |
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fi |
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|
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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 $LIBS"], |
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, |
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-lnsl) |
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fi |
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dnl socket lib? |
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AC_CHECK_FUNC(connect, , [ AC_CHECK_LIB(socket, connect) ]) |
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AC_MSG_CHECKING([whether to use libgcc]) |
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AC_ARG_ENABLE(libgcc, |
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AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]), |
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[ case "$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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|
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if test X"$OPT_THREAD" = Xoff |
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then |
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AC_DEFINE(DISABLED_THREADSAFE, 1, |
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[Set to explicitly specify we don't want to use thread-safe functions]) |
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fi |
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dnl for recent AIX versions, we skip all the thread-safe checks above since |
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dnl they claim a thread-safe libc using the standard API. But there are |
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dnl some functions still not thread-safe. Check for these! |
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|
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dnl Let's hope this split URL remains working: |
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dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \ |
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dnl genprogc/thread_quick_ref.htm |
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if test "x$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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|
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dnl check if this is the IBM xlc compiler |
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dnl Details thanks to => http://predef.sourceforge.net/ |
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AC_MSG_CHECKING([if this is the xlc compiler]) |
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AC_EGREP_CPP([^__xlC__], [__xlC__], |
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dnl action if the text is found, this it has not been replaced by the |
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dnl cpp |
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XLC="no" |
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AC_MSG_RESULT([no]), |
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dnl the text was not found, it was replaced by the cpp |
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XLC="yes" |
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AC_MSG_RESULT([yes]) |
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CFLAGS="$CFLAGS -qthreaded" |
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dnl AIX xlc has to have strict aliasing turned off. If not, |
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dnl the optimizer assumes that pointers can only point to |
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dnl an object of the same type. |
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CFLAGS="$CFLAGS -qnoansialias" |
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dnl Force AIX xlc to stop after the compilation phase, and not |
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dnl generate object code, when the source compiles with errors. |
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CFLAGS="$CFLAGS -qhalt=e" |
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) |
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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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|
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dnl Checks for header files. |
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AC_HEADER_STDC |
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|
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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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|
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CURL_CHECK_HEADER_WINDOWS |
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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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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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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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|
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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, [if your compiler supports long long])] |
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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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# Check for socklen_t or equivalent |
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CURL_CHECK_TYPE_SOCKLEN_T |
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|
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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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|
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CURL_CHECK_FUNC_RECV |
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CURL_CHECK_FUNC_SEND |
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CURL_CHECK_MSG_NOSIGNAL |
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|
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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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|
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dnl check for PF_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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], [AF_INET6], |
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AC_DEFINE_UNQUOTED(HAVE_AF_INET6,1,[Define to 1 if you have AF_INET6.]) |
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) |
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dnl check for the in6_addr structure |
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CARES_CHECK_STRUCT( |
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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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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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_NETINET_IN_H |
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#include <netinet/in.h> |
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#endif |
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#endif |
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], [in6_addr], |
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_IN6_ADDR,1,[Define to 1 if you have struct in6_addr.]) |
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) |
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|
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dnl check for the sockaddr_in6 structure |
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CARES_CHECK_STRUCT( |
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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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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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_NETINET_IN_H |
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#include <netinet/in.h> |
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#endif |
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#endif |
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], [sockaddr_in6], |
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_SOCKADDR_IN6,1, |
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[Define to 1 if you have struct sockaddr_in6.]) ac_have_sockaddr_in6=yes |
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) |
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|
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AC_CHECK_MEMBER(struct sockaddr_in6.sin6_scope_id, |
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AC_DEFINE_UNQUOTED(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID,1, |
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[Define to 1 if your struct sockaddr_in6 has sin6_scope_id.]) |
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, , |
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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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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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_NETINET_IN_H |
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#include <netinet/in.h> |
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#endif |
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#endif |
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]) |
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|
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dnl check for the addrinfo structure |
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AC_CHECK_MEMBER(struct addrinfo.ai_flags, |
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AC_DEFINE_UNQUOTED(HAVE_STRUCT_ADDRINFO,1, |
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[Define to 1 if you have struct addrinfo.]),, |
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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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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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_NETINET_IN_H |
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#include <netinet/in.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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#ifdef HAVE_NETDB_H |
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#include <netdb.h> |
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#endif |
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#endif |
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] |
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) |
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|
|
|
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AC_CHECK_FUNCS( bitncmp \ |
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gettimeofday \ |
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clock_gettime \ |
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if_indextoname, |
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dnl if found |
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[], |
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dnl if not found, $ac_func is the name we check for |
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func="$ac_func" |
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AC_MSG_CHECKING([deeper for $func]) |
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AC_TRY_LINK( [], |
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[ $func ();], |
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AC_MSG_RESULT(yes!) |
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eval "ac_cv_func_$func=yes" |
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def=`echo "HAVE_$func" | tr 'a-z' 'A-Z'` |
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AC_DEFINE_UNQUOTED($def, 1, [If you have $func]), |
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AC_MSG_RESULT(but still no) |
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) |
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) |
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|
|
|
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dnl check for inet_pton |
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AC_CHECK_FUNCS(inet_pton) |
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dnl Some systems have it, but not IPv6 |
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if test "$ac_cv_func_inet_pton" = "yes" ; then |
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AC_MSG_CHECKING(if inet_pton supports IPv6) |
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AC_TRY_RUN( |
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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_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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int main() |
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{ |
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struct in6_addr addr6; |
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if (inet_pton(AF_INET6, "::1", &addr6) < 1) |
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exit(1); |
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else |
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exit(0); |
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} |
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], [ |
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AC_MSG_RESULT(yes) |
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AC_DEFINE_UNQUOTED(HAVE_INET_PTON_IPV6,1,[Define to 1 if inet_pton supports IPv6.]) |
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], AC_MSG_RESULT(no),AC_MSG_RESULT(no)) |
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fi |
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dnl Check for inet_net_pton |
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AC_CHECK_FUNCS(inet_net_pton) |
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dnl Again, some systems have it, but not IPv6 |
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if test "$ac_cv_func_inet_net_pton" = "yes" ; then |
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AC_MSG_CHECKING(if inet_net_pton supports IPv6) |
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AC_TRY_RUN( |
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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_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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int main() |
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{ |
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struct in6_addr addr6; |
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if (inet_net_pton(AF_INET6, "::1", &addr6, sizeof(addr6)) < 1) |
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exit(1); |
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else |
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exit(0); |
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} |
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], [ |
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AC_MSG_RESULT(yes) |
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AC_DEFINE_UNQUOTED(HAVE_INET_NET_PTON_IPV6,1,[Define to 1 if inet_net_pton supports IPv6.]) |
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], AC_MSG_RESULT(no),AC_MSG_RESULT(no)) |
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fi |
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|
|
|
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dnl Check for inet_ntop |
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AC_CHECK_FUNCS(inet_ntop) |
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dnl Again, some systems have it, but not IPv6 |
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if test "$ac_cv_func_inet_ntop" = "yes" ; then |
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AC_MSG_CHECKING(if inet_ntop supports IPv6) |
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AC_TRY_RUN( |
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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_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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#include <errno.h> |
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int main() |
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{ |
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struct in6_addr addr6; |
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char buf[128]; |
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if (inet_ntop(AF_INET6, &addr6, buf, 128) == 0 && errno == EAFNOSUPPORT) |
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exit(1); |
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else |
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exit(0); |
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} |
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], [ |
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AC_MSG_RESULT(yes) |
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AC_DEFINE_UNQUOTED(HAVE_INET_NTOP_IPV6,1, |
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[Define to 1 if inet_ntop supports IPv6.]) |
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], AC_MSG_RESULT(no),AC_MSG_RESULT(no)) |
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fi |
|
|
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AC_CHECK_SIZEOF(struct in6_addr, , |
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[ |
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#undef inline |
|
#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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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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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#ifdef HAVE_NETINET_IN_H |
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#include <netinet/in.h> |
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#endif |
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#endif |
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] |
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) |
|
|
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AC_CHECK_SIZEOF(struct in_addr, , |
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[ |
|
#undef inline |
|
#ifdef HAVE_WINDOWS_H |
|
#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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#ifdef HAVE_WS2TCPIP_H |
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#include <ws2tcpip.h> |
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#endif |
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#endif |
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#else |
|
#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 |
|
#ifdef HAVE_NETINET_IN_H |
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#include <netinet/in.h> |
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#endif |
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#endif |
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] |
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) |
|
|
|
|
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dnl Check if the getnameinfo function is available |
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dnl and get the types of five of its arguments. |
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CURL_CHECK_FUNC_GETNAMEINFO |
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|
|
|
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dnl God bless non-standardized functions! We need to see which getservbyport_r |
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dnl variant is available |
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CARES_CHECK_GETSERVBYPORT_R |
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|
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CURL_CHECK_NONBLOCKING_SOCKET |
|
|
|
AC_C_BIGENDIAN( |
|
[AC_DEFINE(ARES_BIG_ENDIAN, 1, |
|
[define this if ares is built for a big endian system])], |
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, |
|
[AC_MSG_WARN([couldn't figure out endianess, assuming little endian!])] |
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) |
|
|
|
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="$withval" ], |
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[ |
|
dnl Check for random device. If we're cross compiling, we can't |
|
dnl check, and it's better to assume it doesn't exist than it is |
|
dnl to fail on AC_CHECK_FILE or later. |
|
if test "$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 |
|
|
|
AC_CONFIG_FILES([Makefile libcares.pc]) |
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AC_OUTPUT
|
|
|