diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 2546 |
1 files changed, 2546 insertions, 0 deletions
diff --git a/configure.in b/configure.in new file mode 100644 index 0000000..b9280a3 --- /dev/null +++ b/configure.in @@ -0,0 +1,2546 @@ +# Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") +# Copyright (C) 1998-2003 Internet Software Consortium. +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +dnl +AC_DIVERT_PUSH(1)dnl +esyscmd([sed "s/^/# /" COPYRIGHT])dnl +AC_DIVERT_POP()dnl + +AC_REVISION($Revision: 1.355.18.71 $) + +AC_INIT(lib/dns/name.c) +AC_PREREQ(2.59) + +AC_CONFIG_HEADER(config.h) +AC_CONFIG_SUBDIRS(lib/bind) + +AC_CANONICAL_HOST + +AC_PROG_MAKE_SET +AC_PROG_RANLIB +AC_PROG_INSTALL +AC_PROG_LN_S + +AC_SUBST(STD_CINCLUDES) +AC_SUBST(STD_CDEFINES) +AC_SUBST(STD_CWARNINGS) +AC_SUBST(CCOPT) + +# +# Make very sure that these are the first files processed by +# config.status, since we use the processed output as the input for +# AC_SUBST_FILE() subsitutions in other files. +# +AC_CONFIG_FILES([make/rules make/includes]) + +AC_PATH_PROG(AR, ar) +ARFLAGS="cruv" +AC_SUBST(AR) +AC_SUBST(ARFLAGS) + +# The POSIX ln(1) program. Non-POSIX systems may substitute +# "copy" or something. +LN=ln +AC_SUBST(LN) + +case "$AR" in + "") + AC_MSG_ERROR([ +ar program not found. Please fix your PATH to include the directory in +which ar resides, or set AR in the environment with the full path to ar. +]) + + ;; +esac + +# +# Etags. +# +AC_PATH_PROGS(ETAGS, etags emacs-etags) + +# +# Some systems, e.g. RH7, have the Exuberant Ctags etags instead of +# GNU emacs etags, and it requires the -L flag. +# +if test "X$ETAGS" != "X"; then + AC_MSG_CHECKING(for Exuberant Ctags etags) + if $ETAGS --version 2>&1 | grep 'Exuberant Ctags' >/dev/null 2>&1; then + AC_MSG_RESULT(yes) + ETAGS="$ETAGS -L" + else + AC_MSG_RESULT(no) + fi +fi +AC_SUBST(ETAGS) + +# +# Perl is optional; it is used only by some of the system test scripts. +# +AC_PATH_PROGS(PERL, perl5 perl) +AC_SUBST(PERL) + +# +# Special processing of paths depending on whether --prefix, +# --sysconfdir or --localstatedir arguments were given. What's +# desired is some compatibility with the way previous versions +# of BIND built; they defaulted to /usr/local for most parts of +# the installation, but named.boot/named.conf was in /etc +# and named.pid was in /var/run. +# +# So ... if none of --prefix, --sysconfdir or --localstatedir are +# specified, set things up that way. If --prefix is given, use +# it for sysconfdir and localstatedir the way configure normally +# would. To change the prefix for everything but leave named.conf +# in /etc or named.pid in /var/run, then do this the usual configure way: +# ./configure --prefix=/somewhere --sysconfdir=/etc +# ./configure --prefix=/somewhere --localstatedir=/var +# +# To put named.conf and named.pid in /usr/local with everything else, +# set the prefix explicitly to /usr/local even though that's the default: +# ./configure --prefix=/usr/local +# +case "$prefix" in + NONE) + case "$sysconfdir" in + '${prefix}/etc') + sysconfdir=/etc + ;; + esac + case "$localstatedir" in + '${prefix}/var') + localstatedir=/var + ;; + esac + ;; +esac + +# +# Make sure INSTALL uses an absolute path, else it will be wrong in all +# Makefiles, since they use make/rules.in and INSTALL will be adjusted by +# configure based on the location of the file where it is substituted. +# Since in BIND9 INSTALL is only substituted into make/rules.in, an immediate +# subdirectory of install-sh, This relative path will be wrong for all +# directories more than one level down from install-sh. +# +case "$INSTALL" in + /*) + ;; + *) + # + # Not all systems have dirname. + # + changequote({, }) + ac_dir="`echo $INSTALL | sed 's%/[^/]*$%%'`" + changequote([, ]) + + ac_prog="`echo $INSTALL | sed 's%.*/%%'`" + test "$ac_dir" = "$ac_prog" && ac_dir=. + test -d "$ac_dir" && ac_dir="`(cd \"$ac_dir\" && pwd)`" + INSTALL="$ac_dir/$ac_prog" + ;; +esac + +# +# On these hosts, we really want to use cc, not gcc, even if it is +# found. The gcc that these systems have will not correctly handle +# pthreads. +# +# However, if the user sets $CC to be something, let that override +# our change. +# +if test "X$CC" = "X" ; then + case "$host" in + *-dec-osf*) + CC="cc" + ;; + *-solaris*) + # Use Sun's cc if it is available, but watch + # out for /usr/ucb/cc; it will never be the right + # compiler to use. + # + # If setting CC here fails, the AC_PROG_CC done + # below might still find gcc. + IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" + for ac_dir in $PATH; do + test -z "$ac_dir" && ac_dir=. + case "$ac_dir" in + /usr/ucb) + # exclude + ;; + *) + if test -f "$ac_dir/cc"; then + CC="$ac_dir/cc" + break + fi + ;; + esac + done + IFS="$ac_save_ifs" + ;; + *-hp-hpux*) + CC="cc" + ;; + mips-sgi-irix*) + CC="cc" + ;; + esac +fi + +AC_PROG_CC + +# +# gcc's optimiser is broken at -02 for ultrasparc +# +if test "$ac_env_CFLAGS_set" != set -a "X$GCC" = "Xyes"; then + case "$host" in + sparc-*) + CCFLAGS="-g -O1" + ;; + esac +fi + +# +# OS dependent CC flags +# +case "$host" in + # OSF 5.0: recv/send are only avaliable with -D_POSIX_PII_SOCKET or + # -D_XOPEN_SOURCE_EXTENDED. + *-dec-osf*) + STD_CDEFINES="$STD_CDEFINES -D_POSIX_PII_SOCKET" + CPPFLAGS="$CPPFLAGS -D_POSIX_PII_SOCKET" + ;; + #HP-UX: need -D_XOPEN_SOURCE_EXTENDED and -lxnet for CMSG macros + *-hp-hpux*) + STD_CDEFINES="$STD_CDEFINES -D_XOPEN_SOURCE_EXTENDED" + CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED" + LIBS="-lxnet $LIBS" + ;; + # Solaris: need -D_XPG4_2 and -D__EXTENSIONS__ for CMSG macros + *-solaris*) + STD_CDEFINES="$STD_CDEFINES -D_XPG4_2 -D__EXTENSIONS__" + CPPFLAGS="$CPPFLAGS -D_XPG4_2 -D__EXTENSIONS__" + ;; +esac + +AC_HEADER_STDC + +AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h sys/sockio.h sys/select.h sys/param.h sys/sysctl.h net/if6.h,,, +[$ac_includes_default +#ifdef HAVE_SYS_PARAM_H +# include <sys/param.h> +#endif +]) + +AC_C_CONST +AC_C_INLINE +AC_CHECK_FUNC(sysctlbyname, AC_DEFINE(HAVE_SYSCTLBYNAME)) + +# +# UnixWare 7.1.1 with the feature supplement to the UDK compiler +# is reported to not support "static inline" (RT #1212). +# +AC_MSG_CHECKING(for static inline breakage) +AC_TRY_COMPILE(, [ + foo1(); + } + + static inline int foo1() { + return 0; + } + + static inline int foo2() { + return foo1(); + ], + [AC_MSG_RESULT(no)], + [AC_MSG_RESULT(yes) + AC_DEFINE(inline, )]) + +AC_TYPE_SIZE_T +AC_CHECK_TYPE(ssize_t, int) +AC_CHECK_TYPE(uintptr_t,unsigned long) +AC_CHECK_TYPE(socklen_t, +[AC_DEFINE(ISC_SOCKADDR_LEN_T, socklen_t)], +[ +AC_TRY_COMPILE( +[ +#include <sys/types.h> +#include <sys/socket.h> +int getsockname(int, struct sockaddr *, size_t *); +],[], +[AC_DEFINE(ISC_SOCKADDR_LEN_T, size_t)], +[AC_DEFINE(ISC_SOCKADDR_LEN_T, int)]) +], +[ +#include <sys/types.h> +#include <sys/socket.h> +]) +AC_SUBST(ISC_SOCKADDR_LEN_T) +AC_HEADER_TIME +AC_MSG_CHECKING(for long long) +AC_TRY_COMPILE([],[long long i = 0; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVELONGLONG="#define ISC_PLATFORM_HAVELONGLONG 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVELONGLONG="#undef ISC_PLATFORM_HAVELONGLONG"]) +AC_SUBST(ISC_PLATFORM_HAVELONGLONG) + +# +# check if we have lifconf +# +AC_MSG_CHECKING(for struct lifconf) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if.h> +], +[ +struct lifconf lifconf; +lifconf.lifc_len = 0; +] +, + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVELIFCONF="#define ISC_PLATFORM_HAVELIFCONF 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVELIFCONF="#undef ISC_PLATFORM_HAVELIFCONF"]) +AC_SUBST(ISC_PLATFORM_HAVELIFCONF) + + +# +# check if we need to #include sys/select.h explicitly +# +case $ac_cv_header_unistd_h in +yes) +AC_MSG_CHECKING(if unistd.h or sys/types.h defines fd_set) +AC_TRY_COMPILE([ +#include <sys/types.h> /* Ultrix */ +#include <unistd.h>], +[fd_set read_set; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDSYSSELECTH="#undef ISC_PLATFORM_NEEDSYSSELECTH" + LWRES_PLATFORM_NEEDSYSSELECTH="#undef LWRES_PLATFORM_NEEDSYSSELECTH"], + [AC_MSG_RESULT(no) + case $ac_cv_header_sys_select_h in + yes) + ISC_PLATFORM_NEEDSYSSELECTH="#define ISC_PLATFORM_NEEDSYSSELECTH 1" + LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1" + ;; + no) + AC_MSG_ERROR([need either working unistd.h or sys/select.h]) + ;; + esac + ]) + ;; +no) + case $ac_cv_header_sys_select_h in + yes) + ISC_PLATFORM_NEEDSYSSELECTH="#define ISC_PLATFORM_NEEDSYSSELECTH 1" + LWRES_PLATFORM_NEEDSYSSELECTH="#define LWRES_PLATFORM_NEEDSYSSELECTH 1" + ;; + no) + AC_MSG_ERROR([need either unistd.h or sys/select.h]) + ;; + esac + ;; +esac +AC_SUBST(ISC_PLATFORM_NEEDSYSSELECTH) +AC_SUBST(LWRES_PLATFORM_NEEDSYSSELECTH) + +# +# Find the machine's endian flavor. +# +AC_C_BIGENDIAN + + +# +# was --with-openssl specified? +# +OPENSSL_WARNING= +AC_MSG_CHECKING(for OpenSSL library) +AC_ARG_WITH(openssl, +[ --with-openssl[=PATH] Build with OpenSSL [yes|no|path]. + (Required for DNSSEC)], + use_openssl="$withval", use_openssl="auto") + +openssldirs="/usr /usr/local /usr/local/ssl /usr/pkg /usr/sfw" +if test "$use_openssl" = "auto" +then + for d in $openssldirs + do + if test -f $d/include/openssl/opensslv.h + then + use_openssl=$d + break + fi + done +fi +case "$use_openssl" in + no) + AC_MSG_RESULT(no) + DST_OPENSSL_INC="" + USE_OPENSSL="" + ;; + auto) + DST_OPENSSL_INC="" + USE_OPENSSL="" + AC_MSG_RESULT(not found) + ;; + *) + if test "$use_openssl" = "yes" + then + # User did not specify a path - guess it + for d in $openssldirs + do + if test -f $d/include/openssl/opensslv.h + then + use_openssl=$d + break + fi + done + if test "$use_openssl" = "yes" + then + AC_MSG_RESULT(not found) + AC_MSG_ERROR( +[OpenSSL was not found in any of $openssldirs; use --with-openssl=/path]) + fi + fi + USE_OPENSSL='-DOPENSSL' + if test "$use_openssl" = "/usr" + then + DST_OPENSSL_INC="" + DNS_OPENSSL_LIBS="-lcrypto" + else + DST_OPENSSL_INC="-I$use_openssl/include" + case $host in + *-solaris*) + DNS_OPENSSL_LIBS="-L$use_openssl/lib -R$use_openssl/lib -lcrypto" + ;; + *-hp-hpux*) + DNS_OPENSSL_LIBS="-L$use_openssl/lib -Wl,+b: -lcrypto" + ;; + *-apple-darwin*) + # + # Apple's ld seaches for serially for dynamic + # then static libraries. This means you can't + # use -L to override dynamic system libraries + # with static ones when linking. Instead + # we specify a absolute path. + # + if test -f "$use_openssl/lib/libcrypto.dylib" + then + DNS_OPENSSL_LIBS="-L$use_openssl/lib -lcrypto" + else + DNS_OPENSSL_LIBS="$use_openssl/lib/libcrypto.a" + fi + ;; + *) + DNS_OPENSSL_LIBS="-L$use_openssl/lib -lcrypto" + ;; + esac + fi + AC_MSG_RESULT(using openssl from $use_openssl/lib and $use_openssl/include) + + saved_cflags="$CFLAGS" + saved_libs="$LIBS" + CFLAGS="$CFLAGS $DST_OPENSSL_INC" + LIBS="$LIBS $DNS_OPENSSL_LIBS" + AC_MSG_CHECKING(whether linking with OpenSSL works) + AC_TRY_RUN([ +#include <openssl/err.h> +int main() { + ERR_clear_error(); + return (0); +} +], + [AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no) + AC_MSG_ERROR(Could not run test program using OpenSSL from +$use_openssl/lib and $use_openssl/include. +Please check the argument to --with-openssl and your +shared library configuration (e.g., LD_LIBRARY_PATH).)], + [AC_MSG_RESULT(assuming it does work on target platform)]) + + AC_MSG_CHECKING(whether linking with OpenSSL requires -ldl) + AC_TRY_LINK([ +#include <openssl/err.h>], +[ DSO_METHOD_dlfcn(); ], + [AC_MSG_RESULT(no)], + [LIBS="$LIBS -ldl" + AC_TRY_LINK([ +#include <openssl/err.h> +],[ DSO_METHOD_dlfcn(); ], + [AC_MSG_RESULT(yes) + DNS_OPENSSL_LIBS="$DNS_OPENSSL_LIBS -ldl" + ], + [AC_MSG_RESULT(unknown) + AC_MSG_ERROR(OpenSSL has unsupported dynamic loading)], + [AC_MSG_RESULT(assuming it does work on target platform)]) + ], + [AC_MSG_RESULT(assuming it does work on target platform)] + ) + +AC_ARG_ENABLE(openssl-version-check, +[AC_HELP_STRING([--enable-openssl-version-check], + [Check OpenSSL Version @<:@default=yes@:>@])]) +case "$enable_openssl_version_check" in +yes|'') + AC_MSG_CHECKING(OpenSSL library version) + AC_TRY_RUN([ +#include <stdio.h> +#include <openssl/opensslv.h> +int main() { + if ((OPENSSL_VERSION_NUMBER >= 0x009070cfL && + OPENSSL_VERSION_NUMBER < 0x00908000L) || + OPENSSL_VERSION_NUMBER >= 0x0090804fL) + return (0); + printf("\n\nFound OPENSSL_VERSION_NUMBER %#010x\n", + OPENSSL_VERSION_NUMBER); + printf("Require OPENSSL_VERSION_NUMBER 0x009070cf or greater (0.9.7l)\n" + "Require OPENSSL_VERSION_NUMBER 0x0090804f or greater (0.9.8d)\n\n"); + return (1); +} + ], + [AC_MSG_RESULT(ok)], + [AC_MSG_RESULT(not compatible) + OPENSSL_WARNING=yes + ], + [AC_MSG_RESULT(assuming target platform has compatible version)]) +;; +no) + AC_MSG_RESULT(Skipped OpenSSL version check) +;; +esac + + AC_MSG_CHECKING(for OpenSSL DSA support) + if test -f $use_openssl/include/openssl/dsa.h + then + AC_DEFINE(HAVE_OPENSSL_DSA) + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi + CFLAGS="$saved_cflags" + LIBS="$saved_libs" + ;; +esac + +# +# This would include the system openssl path (and linker options to use +# it as needed) if it is found. +# + +AC_SUBST(USE_OPENSSL) +AC_SUBST(DST_OPENSSL_INC) +DNS_CRYPTO_LIBS="$DNS_CRYPTO_LIBS $DNS_OPENSSL_LIBS" + +# +# was --with-gssapi specified? +# +#AC_MSG_CHECKING(for GSSAPI library) +#AC_ARG_WITH(gssapi, +#[ --with-gssapi=PATH Specify path for system-supplied GSSAPI], +# use_gssapi="$withval", use_gssapi="no") +# +#case "$use_gssapi" in +# no) +# USE_GSSAPI='' +# DST_GSSAPI_INC='' +# DNS_GSSAPI_LIBS='' +# AC_MSG_RESULT(not specified) +# ;; +# yes) +# AC_MSG_ERROR([--with-gssapi must specify a path]) +# ;; +# *) +# USE_GSSAPI='-DGSSAPI' +# DST_GSSAPI_INC="-I$use_gssapi/include" +# DNS_GSSAPI_LIBS="-L$use_gssapi/lib -lgssapi_krb5" +# AC_MSG_RESULT(using gssapi from $use_gssapi/lib and $use_gssapi/include) +# ;; +#esac + +USE_GSSAPI='' +DST_GSSAPI_INC='' +DNS_GSSAPI_LIBS='' + +AC_SUBST(USE_GSSAPI) +AC_SUBST(DST_GSSAPI_INC) +DNS_CRYPTO_LIBS="$DNS_CRYPTO_LIBS $DNS_GSSAPI_LIBS" + +# +# Applications linking with libdns also need to link with these libraries. +# + +AC_SUBST(DNS_CRYPTO_LIBS) + +# +# was --with-randomdev specified? +# +AC_MSG_CHECKING(for random device) +AC_ARG_WITH(randomdev, +[ --with-randomdev=PATH Specify path for random device], + use_randomdev="$withval", use_randomdev="unspec") + +case "$use_randomdev" in + unspec) + case "$host" in + *-openbsd*) + devrandom=/dev/arandom + ;; + *) + devrandom=/dev/random + ;; + esac + AC_MSG_RESULT($devrandom) + AC_CHECK_FILE($devrandom, + AC_DEFINE_UNQUOTED(PATH_RANDOMDEV, + "$devrandom"),) + ;; + yes) + AC_MSG_ERROR([--with-randomdev must specify a path]) + ;; + no) + AC_MSG_RESULT(disabled) + ;; + *) + AC_DEFINE_UNQUOTED(PATH_RANDOMDEV, "$use_randomdev") + AC_MSG_RESULT(using "$use_randomdev") + ;; +esac + +# +# Do we have arc4random() ? +# +AC_CHECK_FUNC(arc4random, AC_DEFINE(HAVE_ARC4RANDOM)) + +sinclude(config.threads.in)dnl + +if $use_threads +then + if test "X$GCC" = "Xyes"; then + case "$host" in + *-freebsd*) + CC="$CC -pthread" + CCOPT="$CCOPT -pthread" + STD_CDEFINES="$STD_CDEFINES -D_THREAD_SAFE" + ;; + *-openbsd*) + CC="$CC -pthread" + CCOPT="$CCOPT -pthread" + ;; + *-solaris*) + LIBS="$LIBS -lthread" + ;; + *-ibm-aix*) + STD_CDEFINES="$STD_CDEFINES -D_THREAD_SAFE" + ;; + esac + else + case $host in + *-dec-osf*) + CC="$CC -pthread" + CCOPT="$CCOPT -pthread" + ;; + *-solaris*) + CC="$CC -mt" + CCOPT="$CCOPT -mt" + ;; + *-ibm-aix*) + STD_CDEFINES="$STD_CDEFINES -D_THREAD_SAFE" + ;; + *-sco-sysv*uw*|*-*-sysv*UnixWare*) + CC="$CC -Kthread" + CCOPT="$CCOPT -Kthread" + ;; + *-*-sysv*OpenUNIX*) + CC="$CC -Kpthread" + CCOPT="$CCOPT -Kpthread" + ;; + esac + fi + ALWAYS_DEFINES="-D_REENTRANT" + ISC_PLATFORM_USETHREADS="#define ISC_PLATFORM_USETHREADS 1" + thread_dir=pthreads + # + # We'd like to use sigwait() too + # + AC_CHECK_FUNC(sigwait, + AC_DEFINE(HAVE_SIGWAIT), + AC_CHECK_LIB(c, sigwait, + AC_DEFINE(HAVE_SIGWAIT), + AC_CHECK_LIB(pthread, sigwait, + AC_DEFINE(HAVE_SIGWAIT), + AC_CHECK_LIB(pthread, _Psigwait, + AC_DEFINE(HAVE_SIGWAIT),)))) + + AC_CHECK_FUNC(pthread_attr_getstacksize, + AC_DEFINE(HAVE_PTHREAD_ATTR_GETSTACKSIZE),) + + AC_CHECK_FUNC(pthread_attr_setstacksize, + AC_DEFINE(HAVE_PTHREAD_ATTR_SETSTACKSIZE),) + + # + # Additional OS-specific issues related to pthreads and sigwait. + # + case "$host" in + # + # One more place to look for sigwait. + # + *-freebsd*) + AC_CHECK_LIB(c_r, sigwait, AC_DEFINE(HAVE_SIGWAIT),) + case $host in + *-freebsd5.[[012]]|*-freebsd5.[[012]].*);; + *-freebsd5.[[3456789]]|*-freebsd5.[[3456789]].*) + AC_DEFINE(NEED_PTHREAD_SCOPE_SYSTEM) + ;; + *-freebsd6.*) + AC_DEFINE(NEED_PTHREAD_SCOPE_SYSTEM) + ;; + esac + ;; + # + # BSDI 3.0 through 4.0.1 needs pthread_init() to be + # called before certain pthreads calls. This is deprecated + # in BSD/OS 4.1. + # + *-bsdi3.*|*-bsdi4.0*) + AC_DEFINE(NEED_PTHREAD_INIT) + ;; + # + # LinuxThreads requires some changes to the way we + # deal with signals. + # + *-linux*) + AC_DEFINE(HAVE_LINUXTHREADS) + ;; + # + # Ensure the right sigwait() semantics on Solaris and make + # sure we call pthread_setconcurrency. + # + *-solaris*) + AC_DEFINE(_POSIX_PTHREAD_SEMANTICS) + AC_CHECK_FUNC(pthread_setconcurrency, + AC_DEFINE(CALL_PTHREAD_SETCONCURRENCY)) + ;; + # + # UnixWare does things its own way. + # + *-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*) + AC_DEFINE(HAVE_UNIXWARE_SIGWAIT) + ;; + esac + + # + # Look for sysconf to allow detection of the number of processors. + # + AC_CHECK_FUNC(sysconf, AC_DEFINE(HAVE_SYSCONF),) + +else + ISC_PLATFORM_USETHREADS="#undef ISC_PLATFORM_USETHREADS" + thread_dir=nothreads + ALWAYS_DEFINES="" +fi + +AC_SUBST(ALWAYS_DEFINES) +AC_SUBST(ISC_PLATFORM_USETHREADS) +ISC_THREAD_DIR=$thread_dir +AC_SUBST(ISC_THREAD_DIR) + +# +# In solaris 10, SMF can manage named service +# +AC_CHECK_LIB(scf, smf_enable_instance) + +# +# flockfile is usually provided by pthreads, but we may want to use it +# even if compiled with --disable-threads. getc_unlocked might also not +# be defined. +# +AC_CHECK_FUNC(flockfile, AC_DEFINE(HAVE_FLOCKFILE),) +AC_CHECK_FUNC(getc_unlocked, AC_DEFINE(HAVE_GETCUNLOCKED),) + +# +# Indicate what the final decision was regarding threads. +# +AC_MSG_CHECKING(whether to build with threads) +if $use_threads; then + AC_MSG_RESULT(yes) +else + AC_MSG_RESULT(no) +fi + +# +# End of pthreads stuff. +# + +# +# Large File +# +AC_ARG_ENABLE(largefile, [ --enable-largefile 64-bit file support], + want_largefile="yes", want_largefile="no") +case $want_largefile in + yes) + ALWAYS_DEFINES="$ALWAYS_DEFINES -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" + ;; + *) + ;; +esac + +# +# Additional compiler settings. +# +MKDEPCC="$CC" +MKDEPCFLAGS="-M" +IRIX_DNSSEC_WARNINGS_HACK="" + +if test "X$GCC" = "Xyes"; then + AC_MSG_CHECKING(if "$CC" supports -fno-strict-aliasing) + SAVE_CFLAGS=$CFLAGS + CFLAGS=-fno-strict-aliasing + AC_TRY_COMPILE(,, [FNOSTRICTALIASING=yes],[FNOSTRICTALIASING=no]) + CFLAGS=$SAVE_CFLAGS + if test "$FNOSTRICTALIASING" = "yes"; then + AC_MSG_RESULT(yes) + STD_CWARNINGS="$STD_CWARNINGS -W -Wall -Wmissing-prototypes -Wcast-qual -Wwrite-strings -Wformat -Wpointer-arith -fno-strict-aliasing" + else + AC_MSG_RESULT(no) + STD_CWARNINGS="$STD_CWARNINGS -W -Wall -Wmissing-prototypes -Wcast-qual -Wwrite-strings -Wformat -Wpointer-arith" + fi + case "$host" in + *-hp-hpux*) + LDFLAGS="-Wl,+vnocompatwarnings $LDFLAGS" + ;; + esac +else + case $host in + *-dec-osf*) + CC="$CC -std" + CCOPT="$CCOPT -std" + MKDEPCC="$CC" + ;; + *-hp-hpux*) + CC="$CC -Ae -z" + # The version of the C compiler that constantly warns about + # 'const' as well as alignment issues is unfortunately not + # able to be discerned via the version of the operating + # system, nor does cc have a version flag. + case "`$CC +W 123 2>&1`" in + *Unknown?option*) + STD_CWARNINGS="+w1" + ;; + *) + # Turn off the pointlessly noisy warnings. + STD_CWARNINGS="+w1 +W 474,530,2193,2236" + ;; + esac + CCOPT="$CCOPT -Ae -z" + LDFLAGS="-Wl,+vnocompatwarnings $LDFLAGS" + MKDEPPROG='cc -Ae -E -Wp,-M >/dev/null 2>>$TMP' + ;; + *-sgi-irix*) + STD_CWARNINGS="-fullwarn -woff 1209" + # + # Silence more than 250 instances of + # "prototyped function redeclared without prototype" + # and 11 instances of + # "variable ... was set but never used" + # from lib/dns/sec/openssl. + # + IRIX_DNSSEC_WARNINGS_HACK="-woff 1692,1552" + ;; + *-solaris*) + MKDEPCFLAGS="-xM" + ;; + *-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*) + # UnixWare + CC="$CC -w" + ;; + esac +fi + +AC_SUBST(MKDEPCC) +AC_SUBST(MKDEPCFLAGS) +AC_SUBST(MKDEPPROG) +AC_SUBST(IRIX_DNSSEC_WARNINGS_HACK) + +# +# NLS +# +AC_CHECK_FUNC(catgets, AC_DEFINE(HAVE_CATGETS),) + +# +# -lxnet buys us one big porting headache... standards, gotta love 'em. +# +# AC_CHECK_LIB(xnet, socket, , +# AC_CHECK_LIB(socket, socket) +# AC_CHECK_LIB(nsl, inet_ntoa) +# ) +# +# Use this for now, instead: +# +case "$host" in + mips-sgi-irix*) + ;; + *) + AC_CHECK_LIB(socket, socket) + AC_CHECK_LIB(nsl, inet_ntoa) + ;; +esac + +# +# Purify support +# +AC_MSG_CHECKING(whether to use purify) +AC_ARG_WITH(purify, + [ --with-purify[=PATH] use Rational purify], + use_purify="$withval", use_purify="no") + +case "$use_purify" in + no) + ;; + yes) + AC_PATH_PROG(purify_path, purify, purify) + ;; + *) + purify_path="$use_purify" + ;; +esac + +case "$use_purify" in + no) + AC_MSG_RESULT(no) + PURIFY="" + ;; + *) + if test -f $purify_path || test $purify_path = purify; then + AC_MSG_RESULT($purify_path) + PURIFYFLAGS="`echo $PURIFYOPTIONS`" + PURIFY="$purify_path $PURIFYFLAGS" + else + AC_MSG_ERROR([$purify_path not found. + +Please choose the proper path with the following command: + + configure --with-purify=PATH +]) + fi + ;; +esac + +AC_SUBST(PURIFY) + +# +# GNU libtool support +# +AC_ARG_WITH(libtool, + [ --with-libtool use GNU libtool (following indented options supported)], + use_libtool="$withval", use_libtool="no") + +case $use_libtool in + yes) + AM_PROG_LIBTOOL + O=lo + A=la + LIBTOOL_MKDEP_SED='s;\.o;\.lo;' + LIBTOOL_MODE_COMPILE='--mode=compile' + LIBTOOL_MODE_INSTALL='--mode=install' + LIBTOOL_MODE_LINK='--mode=link' + case "$host" in + *) LIBTOOL_ALLOW_UNDEFINED= ;; + esac + case "$host" in + *-ibm-aix*) LIBTOOL_IN_MAIN="-Wl,-bI:T_testlist.imp" ;; + *) LIBTOOL_IN_MAIN= ;; + esac; + ;; + *) + O=o + A=a + LIBTOOL= + AC_SUBST(LIBTOOL) + LIBTOOL_MKDEP_SED= + LIBTOOL_MODE_COMPILE= + LIBTOOL_MODE_INSTALL= + LIBTOOL_MODE_LINK= + LIBTOOL_ALLOW_UNDEFINED= + LIBTOOL_IN_MAIN= + ;; +esac + +# +# File name extension for static archive files, for those few places +# where they are treated differently from dynamic ones. +# +SA=a + +AC_SUBST(O) +AC_SUBST(A) +AC_SUBST(SA) +AC_SUBST(LIBTOOL_MKDEP_SED) +AC_SUBST(LIBTOOL_MODE_COMPILE) +AC_SUBST(LIBTOOL_MODE_INSTALL) +AC_SUBST(LIBTOOL_MODE_LINK) +AC_SUBST(LIBTOOL_ALLOW_UNDEFINED) +AC_SUBST(LIBTOOL_IN_MAIN) + +# +# build libbind? +# +AC_ARG_ENABLE(libbind, + [ --enable-libbind build libbind [default=no]]) + +case "$enable_libbind" in + yes) + LIBBIND=lib/bind + AC_SUBST(LIBBIND) + ;; + no|'') + ;; +esac + + +# +# Here begins a very long section to determine the system's networking +# capabilities. The order of the tests is signficant. +# + +# +# IPv6 +# +AC_ARG_ENABLE(ipv6, + [ --enable-ipv6 use IPv6 [default=autodetect]]) + +case "$enable_ipv6" in + yes|''|autodetect) + AC_DEFINE(WANT_IPV6) + ;; + no) + ;; +esac + +# +# We do the IPv6 compilation checking after libtool so that we can put +# the right suffix on the files. +# +AC_MSG_CHECKING(for IPv6 structures) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h>], +[struct sockaddr_in6 sin6; return (0);], + [AC_MSG_RESULT(yes) + found_ipv6=yes], + [AC_MSG_RESULT(no) + found_ipv6=no]) + +# +# See whether IPv6 support is provided via a Kame add-on. +# This is done before other IPv6 linking tests to LIBS is properly set. +# +AC_MSG_CHECKING(for Kame IPv6 support) +AC_ARG_WITH(kame, + [ --with-kame[=PATH] use Kame IPv6 [default path /usr/local/v6]], + use_kame="$withval", use_kame="no") + +case "$use_kame" in + no) + ;; + yes) + kame_path=/usr/local/v6 + ;; + *) + kame_path="$use_kame" + ;; +esac + +case "$use_kame" in + no) + AC_MSG_RESULT(no) + ;; + *) + if test -f $kame_path/lib/libinet6.a; then + AC_MSG_RESULT($kame_path/lib/libinet6.a) + LIBS="-L$kame_path/lib -linet6 $LIBS" + else + AC_MSG_ERROR([$kame_path/lib/libinet6.a not found. + +Please choose the proper path with the following command: + + configure --with-kame=PATH +]) + fi + ;; +esac + +# +# Whether netinet6/in6.h is needed has to be defined in isc/platform.h. +# Including it on Kame-using platforms is very bad, though, because +# Kame uses #error against direct inclusion. So include it on only +# the platform that is otherwise broken without it -- BSD/OS 4.0 through 4.1. +# This is done before the in6_pktinfo check because that's what +# netinet6/in6.h is needed for. +# +changequote({, }) +case "$host" in +*-bsdi4.[01]*) + ISC_PLATFORM_NEEDNETINET6IN6H="#define ISC_PLATFORM_NEEDNETINET6IN6H 1" + LWRES_PLATFORM_NEEDNETINET6IN6H="#define LWRES_PLATFORM_NEEDNETINET6IN6H 1" + isc_netinet6in6_hack="#include <netinet6/in6.h>" + ;; +*) + ISC_PLATFORM_NEEDNETINET6IN6H="#undef ISC_PLATFORM_NEEDNETINET6IN6H" + LWRES_PLATFORM_NEEDNETINET6IN6H="#undef LWRES_PLATFORM_NEEDNETINET6IN6H" + isc_netinet6in6_hack="" + ;; +esac +changequote([, ]) + +# +# This is similar to the netinet6/in6.h issue. +# +case "$host" in +*-sco-sysv*uw*|*-*-sysv*UnixWare*|*-*-sysv*OpenUNIX*) + # UnixWare + ISC_PLATFORM_NEEDNETINETIN6H="#define ISC_PLATFORM_NEEDNETINETIN6H 1" + LWRES_PLATFORM_NEEDNETINETIN6H="#define LWRES_PLATFORM_NEEDNETINETIN6H 1" + ISC_PLATFORM_FIXIN6ISADDR="#define ISC_PLATFORM_FIXIN6ISADDR 1" + isc_netinetin6_hack="#include <netinet/in6.h>" + ;; +*) + ISC_PLATFORM_NEEDNETINETIN6H="#undef ISC_PLATFORM_NEEDNETINETIN6H" + LWRES_PLATFORM_NEEDNETINETIN6H="#undef LWRES_PLATFORM_NEEDNETINETIN6H" + ISC_PLATFORM_FIXIN6ISADDR="#undef ISC_PLATFORM_FIXIN6ISADDR" + isc_netinetin6_hack="" + ;; +esac + +# +# Now delve deeper into the suitability of the IPv6 support. +# +case "$found_ipv6" in + yes) + ISC_PLATFORM_HAVEIPV6="#define ISC_PLATFORM_HAVEIPV6 1" + LWRES_PLATFORM_HAVEIPV6="#define LWRES_PLATFORM_HAVEIPV6 1" + + AC_MSG_CHECKING(for in6_addr) + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +$isc_netinetin6_hack +$isc_netinet6in6_hack +], +[struct in6_addr in6; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVEINADDR6="#undef ISC_PLATFORM_HAVEINADDR6" + LWRES_PLATFORM_HAVEINADDR6="#undef LWRES_PLATFORM_HAVEINADDR6" + isc_in_addr6_hack=""], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVEINADDR6="#define ISC_PLATFORM_HAVEINADDR6 1" + LWRES_PLATFORM_HAVEINADDR6="#define LWRES_PLATFORM_HAVEINADDR6 1" + isc_in_addr6_hack="#define in6_addr in_addr6"]) + + AC_MSG_CHECKING(for in6addr_any) + AC_TRY_LINK([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +$isc_netinetin6_hack +$isc_netinet6in6_hack +$isc_in_addr6_hack +], + [struct in6_addr in6; in6 = in6addr_any; return (in6.s6_addr[0]);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDIN6ADDRANY="#undef ISC_PLATFORM_NEEDIN6ADDRANY" + LWRES_PLATFORM_NEEDIN6ADDRANY="#undef LWRES_PLATFORM_NEEDIN6ADDRANY"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_NEEDIN6ADDRANY="#define ISC_PLATFORM_NEEDIN6ADDRANY 1" + LWRES_PLATFORM_NEEDIN6ADDRANY="#define LWRES_PLATFORM_NEEDIN6ADDRANY 1"]) + + AC_MSG_CHECKING(for in6addr_loopback) + AC_TRY_LINK([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +$isc_netinetin6_hack +$isc_netinet6in6_hack +$isc_in_addr6_hack +], + [struct in6_addr in6; in6 = in6addr_loopback; return (in6.s6_addr[0]);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDIN6ADDRLOOPBACK="#undef ISC_PLATFORM_NEEDIN6ADDRLOOPBACK" + LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK="#undef LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_NEEDIN6ADDRLOOPBACK="#define ISC_PLATFORM_NEEDIN6ADDRLOOPBACK 1" + LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK="#define LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK 1"]) + + AC_MSG_CHECKING(for sin6_scope_id in struct sockaddr_in6) + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +$isc_netinetin6_hack +$isc_netinet6in6_hack +], + [struct sockaddr_in6 xyzzy; xyzzy.sin6_scope_id = 0; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVESCOPEID="#define ISC_PLATFORM_HAVESCOPEID 1" + result="#define LWRES_HAVE_SIN6_SCOPE_ID 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVESCOPEID="#undef ISC_PLATFORM_HAVESCOPEID" + result="#undef LWRES_HAVE_SIN6_SCOPE_ID"]) + LWRES_HAVE_SIN6_SCOPE_ID="$result" + + AC_MSG_CHECKING(for in6_pktinfo) + AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +$isc_netinetin6_hack +$isc_netinet6in6_hack +], + [struct in6_pktinfo xyzzy; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVEIN6PKTINFO="#define ISC_PLATFORM_HAVEIN6PKTINFO 1"], + [AC_MSG_RESULT(no -- disabling runtime ipv6 support) + ISC_PLATFORM_HAVEIN6PKTINFO="#undef ISC_PLATFORM_HAVEIN6PKTINFO"]) + ;; + no) + ISC_PLATFORM_HAVEIPV6="#undef ISC_PLATFORM_HAVEIPV6" + LWRES_PLATFORM_HAVEIPV6="#undef LWRES_PLATFORM_HAVEIPV6" + ISC_PLATFORM_NEEDIN6ADDRANY="#undef ISC_PLATFORM_NEEDIN6ADDRANY" + LWRES_PLATFORM_NEEDIN6ADDRANY="#undef LWRES_PLATFORM_NEEDIN6ADDRANY" + ISC_PLATFORM_HAVEIN6PKTINFO="#undef ISC_PLATFORM_HAVEIN6PKTINFO" + LWRES_HAVE_SIN6_SCOPE_ID="#define LWRES_HAVE_SIN6_SCOPE_ID 1" + ISC_PLATFORM_HAVESCOPEID="#define ISC_PLATFORM_HAVESCOPEID 1" + ISC_IPV6_H="ipv6.h" + ISC_IPV6_O="ipv6.$O" + ISC_ISCIPV6_O="unix/ipv6.$O" + ISC_IPV6_C="ipv6.c" + ;; +esac + +AC_SUBST(ISC_PLATFORM_HAVEIPV6) +AC_SUBST(LWRES_PLATFORM_HAVEIPV6) +AC_SUBST(ISC_PLATFORM_NEEDNETINETIN6H) +AC_SUBST(LWRES_PLATFORM_NEEDNETINETIN6H) +AC_SUBST(ISC_PLATFORM_NEEDNETINET6IN6H) +AC_SUBST(LWRES_PLATFORM_NEEDNETINET6IN6H) +AC_SUBST(ISC_PLATFORM_HAVEINADDR6) +AC_SUBST(LWRES_PLATFORM_HAVEINADDR6) +AC_SUBST(ISC_PLATFORM_NEEDIN6ADDRANY) +AC_SUBST(LWRES_PLATFORM_NEEDIN6ADDRANY) +AC_SUBST(ISC_PLATFORM_NEEDIN6ADDRLOOPBACK) +AC_SUBST(LWRES_PLATFORM_NEEDIN6ADDRLOOPBACK) +AC_SUBST(ISC_PLATFORM_HAVEIN6PKTINFO) +AC_SUBST(ISC_PLATFORM_FIXIN6ISADDR) +AC_SUBST(ISC_IPV6_H) +AC_SUBST(ISC_IPV6_O) +AC_SUBST(ISC_ISCIPV6_O) +AC_SUBST(ISC_IPV6_C) +AC_SUBST(LWRES_HAVE_SIN6_SCOPE_ID) +AC_SUBST(ISC_PLATFORM_HAVESCOPEID) + +AC_MSG_CHECKING([for struct if_laddrreq]) +AC_TRY_LINK([ +#include <sys/types.h> +#include <net/if6.h> +],[ struct if_laddrreq a; ], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVEIF_LADDRREQ="#define ISC_PLATFORM_HAVEIF_LADDRREQ 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVEIF_LADDRREQ="#undef ISC_PLATFORM_HAVEIF_LADDRREQ"]) +AC_SUBST(ISC_PLATFORM_HAVEIF_LADDRREQ) + +AC_MSG_CHECKING([for struct if_laddrconf]) +AC_TRY_LINK([ +#include <sys/types.h> +#include <net/if6.h> +],[ struct if_laddrconf a; ], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVEIF_LADDRCONF="#define ISC_PLATFORM_HAVEIF_LADDRCONF 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVEIF_LADDRCONF="#undef ISC_PLATFORM_HAVEIF_LADDRCONF"]) +AC_SUBST(ISC_PLATFORM_HAVEIF_LADDRCONF) + +# +# Check for network functions that are often missing. We do this +# after the libtool checking, so we can put the right suffix on +# the files. It also needs to come after checking for a Kame add-on, +# which provides some (all?) of the desired functions. +# + +AC_MSG_CHECKING([for inet_ntop with IPv6 support]) +AC_TRY_RUN([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +main() { +char a[16],b[64]; return(inet_ntop(AF_INET6, a, b, sizeof(b)) == (char*)0);}], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDNTOP="#undef ISC_PLATFORM_NEEDNTOP"], + + [AC_MSG_RESULT(no) + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_ntop.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_ntop.c" + ISC_PLATFORM_NEEDNTOP="#define ISC_PLATFORM_NEEDNTOP 1"], + [AC_MSG_RESULT(assuming inet_ntop needed) + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_ntop.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_ntop.c" + ISC_PLATFORM_NEEDNTOP="#define ISC_PLATFORM_NEEDNTOP 1"]) + + +# On NetBSD 1.4.2 and maybe others, inet_pton() incorrectly accepts +# addresses with less than four octets, like "1.2.3". Also leading +# zeros should also be rejected. + +AC_MSG_CHECKING([for working inet_pton with IPv6 support]) +AC_TRY_RUN([ +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +main() { char a[16]; return (inet_pton(AF_INET, "1.2.3", a) == 1 ? 1 : + inet_pton(AF_INET, "1.2.3.04", a) == 1 ? 1 : + (inet_pton(AF_INET6, "::1.2.3.4", a) != 1)); }], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDPTON="#undef ISC_PLATFORM_NEEDPTON"], + [AC_MSG_RESULT(no) + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_pton.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_pton.c" + ISC_PLATFORM_NEEDPTON="#define ISC_PLATFORM_NEEDPTON 1"], + [AC_MSG_RESULT(assuming target platform has working inet_pton) + ISC_PLATFORM_NEEDPTON="#undef ISC_PLATFORM_NEEDPTON"], + [AC_MSG_RESULT(assuming inet_pton needed) + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_pton.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_pton.c" + ISC_PLATFORM_NEEDPTON="#define ISC_PLATFORM_NEEDPTON 1"], + [AC_MSG_RESULT(assuming target platform has working inet_pton) + ISC_PLATFORM_NEEDPTON="#undef ISC_PLATFORM_NEEDPTON"]) + +AC_MSG_CHECKING([for inet_aton]) +AC_TRY_LINK([ +#include <sys/types.h> +#include <netinet/in.h> +#include <arpa/inet.h>], + [struct in_addr in; inet_aton(0, &in); return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDATON="#undef ISC_PLATFORM_NEEDATON"], + + [AC_MSG_RESULT(no) + ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS inet_aton.$O" + ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS inet_aton.c" + ISC_PLATFORM_NEEDATON="#define ISC_PLATFORM_NEEDATON 1"]) + +AC_SUBST(ISC_PLATFORM_NEEDNTOP) +AC_SUBST(ISC_PLATFORM_NEEDPTON) +AC_SUBST(ISC_PLATFORM_NEEDATON) + +# +# Look for a 4.4BSD-style sa_len member in struct sockaddr. +# +case "$host" in + *-dec-osf*) + # Turn on 4.4BSD style sa_len support. + AC_DEFINE(_SOCKADDR_LEN) + ;; +esac + +AC_MSG_CHECKING(for sa_len in struct sockaddr) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h>], +[struct sockaddr sa; sa.sa_len = 0; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_HAVESALEN="#define ISC_PLATFORM_HAVESALEN 1" + LWRES_PLATFORM_HAVESALEN="#define LWRES_PLATFORM_HAVESALEN 1"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_HAVESALEN="#undef ISC_PLATFORM_HAVESALEN" + LWRES_PLATFORM_HAVESALEN="#undef LWRES_PLATFORM_HAVESALEN"]) +AC_SUBST(ISC_PLATFORM_HAVESALEN) +AC_SUBST(LWRES_PLATFORM_HAVESALEN) + +# +# Look for a 4.4BSD or 4.3BSD struct msghdr +# +AC_MSG_CHECKING(for struct msghdr flavor) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/socket.h>], +[struct msghdr msg; msg.msg_flags = 0; return (0);], + [AC_MSG_RESULT(4.4BSD) + ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD44MSGHDR 1"], + [AC_MSG_RESULT(4.3BSD) + ISC_PLATFORM_MSGHDRFLAVOR="#define ISC_NET_BSD43MSGHDR 1"]) +AC_SUBST(ISC_PLATFORM_MSGHDRFLAVOR) + +# +# Look for in_port_t. +# +AC_MSG_CHECKING(for type in_port_t) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <netinet/in.h>], +[in_port_t port = 25; return (0);], + [AC_MSG_RESULT(yes) + ISC_PLATFORM_NEEDPORTT="#undef ISC_PLATFORM_NEEDPORTT"], + [AC_MSG_RESULT(no) + ISC_PLATFORM_NEEDPORTT="#define ISC_PLATFORM_NEEDPORTT 1"]) +AC_SUBST(ISC_PLATFORM_NEEDPORTT) + +# +# Check for addrinfo +# +AC_MSG_CHECKING(for struct addrinfo) +AC_TRY_COMPILE([ +#include <netdb.h>], +[struct addrinfo a; return (0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_NEEDADDRINFO="#undef ISC_LWRES_NEEDADDRINFO" + AC_DEFINE(HAVE_ADDRINFO)], + [AC_MSG_RESULT(no) + ISC_LWRES_NEEDADDRINFO="#define ISC_LWRES_NEEDADDRINFO 1"]) +AC_SUBST(ISC_LWRES_NEEDADDRINFO) + +# +# Check for rrsetinfo +# +AC_MSG_CHECKING(for struct rrsetinfo) +AC_TRY_COMPILE([ +#include <netdb.h>], +[struct rrsetinfo r; return (0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_NEEDRRSETINFO="#undef ISC_LWRES_NEEDRRSETINFO"], + [AC_MSG_RESULT(no) + ISC_LWRES_NEEDRRSETINFO="#define ISC_LWRES_NEEDRRSETINFO 1"]) +AC_SUBST(ISC_LWRES_NEEDRRSETINFO) + +AC_MSG_CHECKING(for int sethostent) +AC_TRY_COMPILE([ +#include <netdb.h>], +[int i = sethostent(0); return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_SETHOSTENTINT="#define ISC_LWRES_SETHOSTENTINT 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_SETHOSTENTINT="#undef ISC_LWRES_SETHOSTENTINT"]) +AC_SUBST(ISC_LWRES_SETHOSTENTINT) + +AC_MSG_CHECKING(for int endhostent) +AC_TRY_COMPILE([ +#include <netdb.h>], +[int i = endhostent(); return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_ENDHOSTENTINT="#define ISC_LWRES_ENDHOSTENTINT 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_ENDHOSTENTINT="#undef ISC_LWRES_ENDHOSTENTINT"]) +AC_SUBST(ISC_LWRES_ENDHOSTENTINT) + +AC_MSG_CHECKING(for getnetbyaddr(in_addr_t, ...)) +AC_TRY_COMPILE([ +#include <netdb.h> +struct netent *getnetbyaddr(in_addr_t, int);], +[], + [AC_MSG_RESULT(yes) + ISC_LWRES_GETNETBYADDRINADDR="#define ISC_LWRES_GETNETBYADDRINADDR 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_GETNETBYADDRINADDR="#undef ISC_LWRES_GETNETBYADDRINADDR"]) +AC_SUBST(ISC_LWRES_GETNETBYADDRINADDR) + +AC_MSG_CHECKING(for int setnetent) +AC_TRY_COMPILE([ +#include <netdb.h>], +[int i = setnetent(0); return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_SETNETENTINT="#define ISC_LWRES_SETNETENTINT 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_SETNETENTINT="#undef ISC_LWRES_SETNETENTINT"]) +AC_SUBST(ISC_LWRES_SETNETENTINT) + +AC_MSG_CHECKING(for int endnetent) +AC_TRY_COMPILE([ +#include <netdb.h>], +[int i = endnetent(); return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_ENDNETENTINT="#define ISC_LWRES_ENDNETENTINT 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_ENDNETENTINT="#undef ISC_LWRES_ENDNETENTINT"]) +AC_SUBST(ISC_LWRES_ENDNETENTINT) + +AC_MSG_CHECKING(for gethostbyaddr(const void *, size_t, ...)) +AC_TRY_COMPILE([ +#include <netdb.h> +struct hostent *gethostbyaddr(const void *, size_t, int);], +[return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_GETHOSTBYADDRVOID="#define ISC_LWRES_GETHOSTBYADDRVOID 1"], + [AC_MSG_RESULT(no) + ISC_LWRES_GETHOSTBYADDRVOID="#undef ISC_LWRES_GETHOSTBYADDRVOID"]) +AC_SUBST(ISC_LWRES_GETHOSTBYADDRVOID) + +AC_MSG_CHECKING(for h_errno in netdb.h) +AC_TRY_COMPILE([ +#include <netdb.h>], +[h_errno = 1; return(0);], + [AC_MSG_RESULT(yes) + ISC_LWRES_NEEDHERRNO="#undef ISC_LWRES_NEEDHERRNO"], + [AC_MSG_RESULT(no) + ISC_LWRES_NEEDHERRNO="#define ISC_LWRES_NEEDHERRNO 1"]) +AC_SUBST(ISC_LWRES_NEEDHERRNO) + +AC_CHECK_FUNC(getipnodebyname, + [ISC_LWRES_GETIPNODEPROTO="#undef ISC_LWRES_GETIPNODEPROTO"], + [ISC_LWRES_GETIPNODEPROTO="#define ISC_LWRES_GETIPNODEPROTO 1"]) +AC_CHECK_FUNC(getnameinfo, + [ISC_LWRES_GETNAMEINFOPROTO="#undef ISC_LWRES_GETNAMEINFOPROTO"], + [ISC_LWRES_GETNAMEINFOPROTO="#define ISC_LWRES_GETNAMEINFOPROTO 1"]) +AC_CHECK_FUNC(getaddrinfo, + [ISC_LWRES_GETADDRINFOPROTO="#undef ISC_LWRES_GETADDRINFOPROTO" + AC_DEFINE(HAVE_GETADDRINFO)], + [ISC_LWRES_GETADDRINFOPROTO="#define ISC_LWRES_GETADDRINFOPROTO 1"]) +AC_CHECK_FUNC(gai_strerror, AC_DEFINE(HAVE_GAISTRERROR)) +AC_SUBST(ISC_LWRES_GETIPNODEPROTO) +AC_SUBST(ISC_LWRES_GETADDRINFOPROTO) +AC_SUBST(ISC_LWRES_GETNAMEINFOPROTO) + +AC_ARG_ENABLE(getifaddrs, +[ --enable-getifaddrs Enable the use of getifaddrs() [[yes|no|glibc]]. + glibc: Use getifaddrs() in glibc if you know it supports IPv6.], + want_getifaddrs="$enableval", want_getifaddrs="yes") + +case $want_getifaddrs in +yes|glibc) +# +# Do we have getifaddrs() ? +# +case $host in +*-linux*) + # Some recent versions of glibc support getifaddrs() which does not + # provide AF_INET6 addresses while the function provided by the USAGI + # project handles the AF_INET6 case correctly. We need to avoid + # using the former but prefer the latter unless overridden by + # --enable-getifaddrs=glibc. + if test $want_getifaddrs = glibc + then + AC_CHECK_FUNC(getifaddrs, AC_DEFINE(HAVE_GETIFADDRS)) + else + save_LIBS="$LIBS" + LIBS="-L/usr/local/v6/lib $LIBS" + AC_CHECK_LIB(inet6, getifaddrs, + LIBS="$LIBS -linet6" + AC_DEFINE(HAVE_GETIFADDRS), + LIBS=${save_LIBS}) + fi + ;; +*) + AC_CHECK_FUNC(getifaddrs, AC_DEFINE(HAVE_GETIFADDRS)) + ;; +esac +;; +no) +;; +esac + +# +# Look for a sysctl call to get the list of network interfaces. +# +case $ac_cv_header_sys_sysctl_h in +yes) +AC_MSG_CHECKING(for interface list sysctl) +AC_EGREP_CPP(found_rt_iflist, [ +#include <sys/param.h> +#include <sys/sysctl.h> +#include <sys/socket.h> +#ifdef NET_RT_IFLIST +found_rt_iflist +#endif +], + [AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_IFLIST_SYSCTL)], + [AC_MSG_RESULT(no)]) +;; +esac + +# +# Check for some other useful functions that are not ever-present. +# + +# We test for strsep() using AC_TRY_LINK instead of AC_CHECK_FUNC +# because AIX 4.3.3 with patches for bos.adt.include to version 4.3.3.77 +# reportedly defines strsep() without declaring it in <string.h> when +# -D_LINUX_SOURCE_COMPAT is not defined [RT #2190], and +# AC_CHECK_FUNC() incorrectly succeeds because it declares +# the function itself. +AC_MSG_CHECKING(for correctly declared strsep()) +AC_TRY_LINK([#include <string.h>], [char *sp; char *foo = strsep(&sp, ".");], + [AC_MSG_RESULT(yes); ISC_PLATFORM_NEEDSTRSEP="#undef ISC_PLATFORM_NEEDSTRSEP"], + [AC_MSG_RESULT(no); ISC_PLATFORM_NEEDSTRSEP="#define ISC_PLATFORM_NEEDSTRSEP 1"]) +AC_SUBST(ISC_PLATFORM_NEEDSTRSEP) + +AC_CHECK_FUNC(memmove, + [ISC_PLATFORM_NEEDMEMMOVE="#undef ISC_PLATFORM_NEEDMEMMOVE"], + [ISC_PLATFORM_NEEDMEMMOVE="#define ISC_PLATFORM_NEEDMEMMOVE 1"]) +AC_SUBST(ISC_PLATFORM_NEEDMEMMOVE) + +AC_CHECK_FUNC(strtoul, + [ISC_PLATFORM_NEEDSTRTOUL="#undef ISC_PLATFORM_NEEDSTRTOUL" + LWRES_PLATFORM_NEEDSTRTOUL="#undef LWRES_PLATFORM_NEEDSTRTOUL" + GENRANDOMLIB=""], + [ISC_PLATFORM_NEEDSTRTOUL="#define ISC_PLATFORM_NEEDSTRTOUL 1" + LWRES_PLATFORM_NEEDSTRTOUL="#define LWRES_PLATFORM_NEEDSTRTOUL 1" + GENRANDOMLIB='${ISCLIBS}']) +AC_SUBST(ISC_PLATFORM_NEEDSTRTOUL) +AC_SUBST(LWRES_PLATFORM_NEEDSTRTOUL) +AC_SUBST(GENRANDOMLIB) + +AC_CHECK_FUNC(strlcpy, + [ISC_PLATFORM_NEEDSTRLCPY="#undef ISC_PLATFORM_NEEDSTRLCPY"], + [ISC_PLATFORM_NEEDSTRLCPY="#define ISC_PLATFORM_NEEDSTRLCPY 1"]) +AC_SUBST(ISC_PLATFORM_NEEDSTRLCPY) + +AC_CHECK_FUNC(strlcat, + [ISC_PLATFORM_NEEDSTRLCAT="#undef ISC_PLATFORM_NEEDSTRLCAT"], + [ISC_PLATFORM_NEEDSTRLCAT="#define ISC_PLATFORM_NEEDSTRLCAT 1"]) +AC_SUBST(ISC_PLATFORM_NEEDSTRLCAT) + +ISC_PRINT_OBJS= +ISC_PRINT_SRCS= +AC_MSG_CHECKING(sprintf) +AC_TRY_COMPILE([ +#include <stdio.h> +], +[ char buf[2]; return(*sprintf(buf,"x"));], +[ +ISC_PRINT_OBJS="print.$O" +ISC_PRINT_SRCS="print.c" +ISC_PLATFORM_NEEDSPRINTF="#define ISC_PLATFORM_NEEDSPRINTF" +LWRES_PLATFORM_NEEDSPRINTF="#define LWRES_PLATFORM_NEEDSPRINTF" +], +[ISC_PLATFORM_NEEDSPRINTF="#undef ISC_PLATFORM_NEEDSPRINTF" + LWRES_PLATFORM_NEEDSPRINTF="#undef LWRES_PLATFORM_NEEDSPRINTF"] +) +AC_SUBST(ISC_PLATFORM_NEEDSPRINTF) +AC_SUBST(LWRES_PLATFORM_NEEDSPRINTF) + +AC_CHECK_FUNC(vsnprintf, + [ISC_PLATFORM_NEEDVSNPRINTF="#undef ISC_PLATFORM_NEEDVSNPRINTF" + LWRES_PLATFORM_NEEDVSNPRINTF="#undef LWRES_PLATFORM_NEEDVSNPRINTF"], + [ISC_PRINT_OBJS="print.$O" + ISC_PRINT_SRCS="print.c" + ISC_PLATFORM_NEEDVSNPRINTF="#define ISC_PLATFORM_NEEDVSNPRINTF 1" + LWRES_PLATFORM_NEEDVSNPRINTF="#define LWRES_PLATFORM_NEEDVSNPRINTF 1"]) +AC_SUBST(ISC_PLATFORM_NEEDVSNPRINTF) +AC_SUBST(LWRES_PLATFORM_NEEDVSNPRINTF) +ISC_EXTRA_OBJS="$ISC_EXTRA_OBJS $ISC_PRINT_OBJS" +ISC_EXTRA_SRCS="$ISC_EXTRA_SRCS $ISC_PRINT_SRCS" + +AC_CHECK_FUNC(strerror, AC_DEFINE(HAVE_STRERROR)) + +AC_SUBST(ISC_EXTRA_OBJS) +AC_SUBST(ISC_EXTRA_SRCS) + +# Determine the printf format characters to use when printing +# values of type isc_int64_t. This will normally be "ll", but where +# the compiler treats "long long" as a alias for "long" and printf +# doesn't know about "long long" use "l". Hopefully the sprintf +# will produce a inconsistant result in the later case. If the compiler +# fails due to seeing "%lld" we fall back to "l". +# +# Digital Unix 4.0 (gcc?) (long long) is 64 bits as is its long. It uses +# %ld even for (long long)/ +# +# Win32 uses "%I64d", but that's defined elsewhere since we don't use +# configure on Win32. +# +AC_MSG_CHECKING(printf format modifier for 64-bit integers) +AC_TRY_RUN([ +#include <stdio.h> +main() { + long long int j = 0; + char buf[100]; + buf[0] = 0; + sprintf(buf, "%lld", j); + exit((sizeof(long long int) != sizeof(long int))? 0 : + (strcmp(buf, "0") != 0)); +} +], + [AC_MSG_RESULT(ll) + ISC_PLATFORM_QUADFORMAT='#define ISC_PLATFORM_QUADFORMAT "ll"' + LWRES_PLATFORM_QUADFORMAT='#define LWRES_PLATFORM_QUADFORMAT "ll"'], + [AC_MSG_RESULT(l) + ISC_PLATFORM_QUADFORMAT='#define ISC_PLATFORM_QUADFORMAT "l"' + LWRES_PLATFORM_QUADFORMAT='#define LWRES_PLATFORM_QUADFORMAT "l"'], + [AC_MSG_RESULT(assuming target platform uses ll) + ISC_PLATFORM_QUADFORMAT='#define ISC_PLATFORM_QUADFORMAT "ll"' + LWRES_PLATFORM_QUADFORMAT='#define LWRES_PLATFORM_QUADFORMAT "ll"']) +AC_SUBST(ISC_PLATFORM_QUADFORMAT) +AC_SUBST(LWRES_PLATFORM_QUADFORMAT) + +# +# Security Stuff +# +AC_CHECK_FUNC(chroot, AC_DEFINE(HAVE_CHROOT)) +AC_ARG_ENABLE(linux-caps, + [ --disable-linux-caps disable linux capabilities]) +case "$enable_linux_caps" in + yes|'') + AC_CHECK_HEADERS(linux/capability.h) + ;; + no) + ;; +esac +AC_CHECK_HEADERS(sys/prctl.h) + +AC_CHECK_HEADERS(sys/un.h, +ISC_PLATFORM_HAVESYSUNH="#define ISC_PLATFORM_HAVESYSUNH 1" +, +ISC_PLATFORM_HAVESYSUNH="#undef ISC_PLATFORM_HAVESYSUNH" +) +AC_SUBST(ISC_PLATFORM_HAVESYSUNH) + +case "$host" in +*-solaris*) + AC_DEFINE(NEED_SECURE_DIRECTORY, 1, + [Define if connect does not honour the permission on the UNIX domain socket.]) + ;; +*-sunos*) + AC_DEFINE(NEED_SECURE_DIRECTORY, 1, + [Define if connect does not honour the permission on the UNIX domain socket.]) + ;; +esac + +# +# Time Zone Stuff +# +AC_CHECK_FUNC(tzset, AC_DEFINE(HAVE_TZSET)) + +AC_MSG_CHECKING(for optarg decarartion) +AC_TRY_COMPILE([ +#include <unistd.h> +], +[optarg = 0;], +[AC_MSG_RESULT(yes)], +[AC_MSG_RESULT(no) +GEN_NEED_OPTARG="-DNEED_OPTARG=1" +AC_DEFINE(NEED_OPTARG, 1, [Defined if extern char *optarg is not declared.])]) + +# +# BSD/OS, and perhaps some others, don't define rlim_t. +# +AC_MSG_CHECKING(for type rlim_t) +AC_TRY_COMPILE([ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h>], +[rlim_t rl = 19671212; return (0);], +[AC_MSG_RESULT(yes) + ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE rlim_t"], +[AC_MSG_RESULT(no) + +AC_MSG_CHECKING(type of rlim_cur) +AC_TRY_RUN([ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +main() { struct rlimit r; exit(!(sizeof(r.rlim_cur) == sizeof(int)));}], +[AC_MSG_RESULT(int) +ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE int"], +[ +AC_TRY_RUN([ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +main() { struct rlimit r; exit(!(sizeof(r.rlim_cur) == sizeof(long int)));}], +[AC_MSG_RESULT(long int) +ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long int"], +[ +AC_TRY_RUN([ +#include <sys/types.h> +#include <sys/time.h> +#include <sys/resource.h> +main() { struct rlimit r; exit((!sizeof(r.rlim_cur) == sizeof(long long int)));}], +[AC_MSG_RESULT(long long int) +ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long long int"], +[AC_MSG_ERROR([unable to determine sizeof rlim_cur]) +],[AC_MSG_ERROR(this cannot happen)]) +],[AC_MSG_ERROR(this cannot happen)]) +],[ +ISC_PLATFORM_RLIMITTYPE="#define ISC_PLATFORM_RLIMITTYPE long long int" +AC_MSG_RESULT(cannot determine type of rlim_cur when cross compiling - assuming long long int)]) +]) +AC_SUBST(ISC_PLATFORM_RLIMITTYPE) + +# +# Compaq TruCluster requires more code for handling cluster IP aliases +# +case "$host" in + *-dec-osf*) + AC_CHECK_LIB(clua, clua_getaliasaddress, LIBS="-lclua $LIBS") + AC_CHECK_FUNC(clua_getaliasaddress, + AC_DEFINE(HAVE_TRUCLUSTER, 1, + [Define if running under Compaq TruCluster])) + ;; + *) + ;; +esac + +# +# Some hosts need msg_namelen to match the size of the socket structure. +# Some hosts don't set msg_namelen appropriately on return from recvmsg(). +# +case $host in +*os2*|*hp-mpeix*) + AC_DEFINE(BROKEN_RECVMSG, 1, + [Define if recvmsg() does not meet all of the BSD socket API specifications.]) + ;; +esac + +# +# Microsoft has their own way of handling shared libraries that requires +# additional qualifiers on extern variables. Unix systems don't need it. +# +AC_SUBST(ISC_PLATFORM_USEDECLSPEC) +ISC_PLATFORM_USEDECLSPEC="#undef ISC_PLATFORM_USEDECLSPEC" +AC_SUBST(LWRES_PLATFORM_USEDECLSPEC) +LWRES_PLATFORM_USEDECLSPEC="#undef LWRES_PLATFORM_USEDECLSPEC" + +# +# Random remaining OS-specific issues involving compiler warnings. +# XXXDCL print messages to indicate some compensation is being done? +# +AC_SUBST(ISC_PLATFORM_BRACEPTHREADONCEINIT) +ISC_PLATFORM_BRACEPTHREADONCEINIT="#undef ISC_PLATFORM_BRACEPTHREADONCEINIT" + +case "$host" in + *-aix5.[[123]].*) + hack_shutup_pthreadonceinit=yes + ;; + *-bsdi3.1*) + hack_shutup_sputaux=yes + ;; + *-bsdi4.0*) + hack_shutup_sigwait=yes + hack_shutup_sputaux=yes + ;; + [*-bsdi4.[12]*]) + hack_shutup_stdargcast=yes + ;; + [*-solaris2.[89]]) + hack_shutup_pthreadonceinit=yes + ;; + *-solaris2.10) + hack_shutup_pthreadonceinit=yes + ;; +esac + +case "$hack_shutup_pthreadonceinit" in + yes) + # + # Shut up PTHREAD_ONCE_INIT unbraced initializer warnings. + # + ISC_PLATFORM_BRACEPTHREADONCEINIT="#define ISC_PLATFORM_BRACEPTHREADONCEINIT 1" + ;; +esac + +case "$hack_shutup_sigwait" in + yes) + # + # Shut up a -Wmissing-prototypes warning for sigwait(). + # + AC_DEFINE(SHUTUP_SIGWAIT) + ;; +esac + +case "$hack_shutup_sputaux" in + yes) + # + # Shut up a -Wmissing-prototypes warning from <stdio.h>. + # + AC_DEFINE(SHUTUP_SPUTAUX) + ;; +esac + +case "$hack_shutup_stdargcast" in + yes) + # + # Shut up a -Wcast-qual warning from va_start(). + # + AC_DEFINE(SHUTUP_STDARG_CAST) + ;; +esac + +AC_CHECK_HEADERS(strings.h, + ISC_PLATFORM_HAVESTRINGSH="#define ISC_PLATFORM_HAVESTRINGSH 1" +, + ISC_PLATFORM_HAVESTRINGSH="#undef ISC_PLATFORM_HAVESTRINGSH" +) +AC_SUBST(ISC_PLATFORM_HAVESTRINGSH) + +# +# Check for if_nametoindex() for IPv6 scoped addresses support +# +AC_CHECK_FUNC(if_nametoindex, ac_cv_have_if_nametoindex=yes, + ac_cv_have_if_nametoindex=no) +case $ac_cv_have_if_nametoindex in +no) + case "$host" in + *-hp-hpux*) + AC_CHECK_LIB(ipv6, if_nametoindex, + ac_cv_have_if_nametoindex=yes + LIBS="-lipv6 $LIBS",) + ;; + esac +esac +case $ac_cv_have_if_nametoindex in +yes) + ISC_PLATFORM_HAVEIFNAMETOINDEX="#define ISC_PLATFORM_HAVEIFNAMETOINDEX 1" + ;; +*) + ISC_PLATFORM_HAVEIFNAMETOINDEX="#undef ISC_PLATFORM_HAVEIFNAMETOINDEX" + ;; +esac +AC_SUBST(ISC_PLATFORM_HAVEIFNAMETOINDEX) + +# +# Machine architecture dependent features +# +AC_ARG_ENABLE(atomic, + [ --enable-atomic enable machine specific atomic operations + [[default=autodetect]]], + enable_atomic="$enableval", + enable_atomic="autodetect") +case "$enable_atomic" in + yes|''|autodetect) + use_atomic=yes + ;; + no) + use_atomic=no + arch=noatomic + ;; +esac + +ISC_PLATFORM_USEOSFASM="#undef ISC_PLATFORM_USEOSFASM" +if test "$use_atomic" = "yes"; then + AC_MSG_CHECKING([architecture type for atomic operations]) + have_atomic=yes # set default + case "$host" in + [i[3456]86-*]) + # XXX: some old x86 architectures actually do not support + # (some of) these operations. Do we need stricter checks? +AC_TRY_RUN([ +main() { + exit((sizeof(void *) == 8) ? 0 : 1); +} +], + [arch=x86_64], + [arch=x86_32], + [arch=x86_32]) + ;; + x86_64-*) + arch=x86_64 + ;; + alpha*-*) + arch=alpha + ;; + powerpc-*) + arch=powerpc + ;; + mips-*|mipsel-*|mips64-*|mips64el-*) + arch=mips + ;; + ia64-*) + arch=ia64 + ;; + *) + have_atomic=no + arch=noatomic + ;; + esac + AC_MSG_RESULT($arch) +fi + +if test "$have_atomic" = "yes"; then + AC_MSG_CHECKING([compiler support for inline assembly code]) + + compiler=generic + # Check whether the compiler supports the assembly syntax we provide. + if test "X$GCC" = "Xyes"; then + # GCC's ASM extension always works + compiler=gcc + if test $arch = "x86_64"; then + # We can share the same code for gcc with x86_32 + arch=x86_32 + fi + if test $arch = "powerpc"; then + # + # The MacOS (and maybe others) uses "r0" for register + # zero. Under linux/ibm it is "0" for register 0. + # Probe to see if we have a MacOS style assembler. + # + AC_MSG_CHECKING([Checking for MacOS style assembler syntax]) + AC_TRY_COMPILE(, [ + __asm__ volatile ("li r0, 0x0\n"::); + ], [ + AC_MSG_RESULT(yes) + compiler="mac" + ISC_PLATFORM_USEMACASM="#define ISC_PLATFORM_USEMACASM 1" + ], [AC_MSG_RESULT(no)]) + fi + else + case "$host" in + alpha*-dec-osf*) + # Tru64 compiler has its own syntax for inline + # assembly. + AC_TRY_COMPILE(, [ +#ifndef __DECC +#error "unexpected compiler" +#endif + return (0);], + [compiler=osf],) + ;; + powerpc-ibm-aix*) + compiler=aix + ;; + esac + fi + case "$compiler" in + gcc) + ISC_PLATFORM_USEGCCASM="#define ISC_PLATFORM_USEGCCASM 1" + ;; + osf) + ISC_PLATFORM_USEOSFASM="#define ISC_PLATFORM_USEOSFASM 1" + ;; + aix) + ;; + mac) + ;; + *) + # See if the generic __asm function works. If not, + # we need to disable the atomic operations. + AC_TRY_LINK(, [ + __asm("nop") + ], + [compiler="standard" + ISC_PLATFORM_USESTDASM="#define ISC_PLATFORM_USESTDASM 1"], + [compiler="not supported (atomic operations disabled)" + have_atomic=no + arch=noatomic ]); + ;; + esac + + AC_MSG_RESULT($compiler) +fi + +if test "$have_atomic" = "yes"; then + ISC_PLATFORM_HAVEXADD="#define ISC_PLATFORM_HAVEXADD 1" + ISC_PLATFORM_HAVECMPXCHG="#define ISC_PLATFORM_HAVECMPXCHG 1" + ISC_PLATFORM_HAVEATOMICSTORE="#define ISC_PLATFORM_HAVEATOMICSTORE 1" +else + ISC_PLATFORM_HAVEXADD="#undef ISC_PLATFORM_HAVEXADD" + ISC_PLATFORM_HAVECMPXCHG="#undef ISC_PLATFORM_HAVECMPXCHG" + ISC_PLATFORM_HAVEATOMICSTORE="#undef ISC_PLATFORM_HAVEATOMICSTORE" +fi + +AC_SUBST(ISC_PLATFORM_HAVEXADD) +AC_SUBST(ISC_PLATFORM_HAVECMPXCHG) +AC_SUBST(ISC_PLATFORM_HAVEATOMICSTORE) + +AC_SUBST(ISC_PLATFORM_USEGCCASM) +AC_SUBST(ISC_PLATFORM_USEOSFASM) +AC_SUBST(ISC_PLATFORM_USESTDASM) +AC_SUBST(ISC_PLATFORM_USEMACASM) + +ISC_ARCH_DIR=$arch +AC_SUBST(ISC_ARCH_DIR) + +# +# The following sets up how non-blocking i/o is established. +# Sunos, cygwin and solaris 2.x (x<5) require special handling. +# +case "$host" in +*-sunos*) AC_DEFINE(PORT_NONBLOCK, O_NDELAY);; +*-cygwin*) AC_DEFINE(PORT_NONBLOCK, O_NDELAY);; +*-solaris2.[[01234]]) + AC_DEFINE(PORT_NONBLOCK, O_NONBLOCK) + AC_DEFINE(USE_FIONBIO_IOCTL, 1, + [Defined if you need to use ioctl(FIONBIO) instead a fcntl call to make non-blocking.]) + ;; +*) AC_DEFINE(PORT_NONBLOCK, O_NONBLOCK, + [Sets which flag to pass to open/fcntl to make non-blocking (O_NDELAY/O_NONBLOCK).]) + ;; +esac +# +# Solaris 2.5.1 and earlier cannot bind() then connect() a TCP socket. +# This prevents the source address being set. +# +case "$host" in +*-solaris2.[[012345]]|*-solaris2.5.1) + AC_DEFINE(BROKEN_TCP_BIND_BEFORE_CONNECT, 1, + [Define if you cannot bind() before connect() for TCP sockets.]) + ;; +esac +# +# The following sections deal with tools used for formatting +# the documentation. They are all optional, unless you are +# a developer editing the documentation source. +# + +# +# Look for TeX. +# + +AC_PATH_PROGS(LATEX, latex, latex) +AC_SUBST(LATEX) + +AC_PATH_PROGS(PDFLATEX, pdflatex, pdflatex) +AC_SUBST(PDFLATEX) + +# +# Look for w3m +# + +AC_PATH_PROGS(W3M, w3m, w3m) +AC_SUBST(W3M) + +# +# Look for xsltproc (libxslt) +# + +AC_PATH_PROG(XSLTPROC, xsltproc, xsltproc) +AC_SUBST(XSLTPROC) + +# +# Look for xmllint (libxml2) +# + +AC_PATH_PROG(XMLLINT, xmllint, xmllint) +AC_SUBST(XMLLINT) + +# +# Subroutine for searching for an ordinary file (e.g., a stylesheet) +# in a number of directories: +# +# NOM_PATH_FILE(VARIABLE, FILENAME, DIRECTORIES) +# +# If the file FILENAME is found in one of the DIRECTORIES, the shell +# variable VARIABLE is defined to its absolute pathname. Otherwise, +# it is set to FILENAME, with no directory prefix (that's not terribly +# useful, but looks less confusing in substitutions than leaving it +# empty). The variable VARIABLE will be substituted into output files. +# + +AC_DEFUN(NOM_PATH_FILE, [ +$1="" +AC_MSG_CHECKING(for $2) +for d in $3 +do + f=$d/$2 + if test -f $f + then + $1=$f + AC_MSG_RESULT($f) + break + fi +done +if test "X[$]$1" = "X" +then + AC_MSG_RESULT("not found"); + $1=$2 +fi +AC_SUBST($1) +]) + +# +# Look for Docbook-XSL stylesheets. Location probably varies by +# system. Guessing where it might be found, based on where SGML stuff +# lives on some systems. FreeBSD is the only one I'm sure of at the +# moment. +# + +docbook_xsl_trees="/usr/pkg/share/xsl /usr/local/share/xsl /usr/share/xsl" + +# +# Look for stylesheets we need. +# + +NOM_PATH_FILE(XSLT_DOCBOOK_STYLE_HTML, docbook/html/docbook.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_STYLE_XHTML, docbook/xhtml/docbook.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_STYLE_MAN, docbook/manpages/docbook.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_CHUNK_HTML, docbook/html/chunk.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_CHUNK_XHTML, docbook/xhtml/chunk.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_CHUNKTOC_HTML, docbook/html/chunktoc.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_CHUNKTOC_XHTML, docbook/xhtml/chunktoc.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_MAKETOC_HTML, docbook/html/maketoc.xsl, $docbook_xsl_trees) +NOM_PATH_FILE(XSLT_DOCBOOK_MAKETOC_XHTML, docbook/xhtml/maketoc.xsl, $docbook_xsl_trees) + +# +# Same dance for db2latex +# +# No idea where this lives except on FreeBSD. +# + +db2latex_xsl_trees="/usr/local/share" + +# +# Look for stylesheets we need. +# + +NOM_PATH_FILE(XSLT_DB2LATEX_STYLE, db2latex/xsl/docbook.xsl, $db2latex_xsl_trees) + +# +# Look for "admonition" image directory. Can't use NOM_PATH_FILE() +# because it's a directory, so just do the same things, inline. +# + +AC_MSG_CHECKING(for db2latex/xsl/figures) +for d in $db2latex_xsl_trees +do + dd=$d/db2latex/xsl/figures + if test -d $dd + then + XSLT_DB2LATEX_ADMONITIONS=$dd + AC_MSG_RESULT($dd) + break + fi +done +if test "X$XSLT_DB2LATEX_ADMONITIONS" = "X" +then + AC_MSG_RESULT(not found) + XSLT_DB2LATEX_ADMONITIONS=db2latex/xsl/figures +fi +AC_SUBST(XSLT_DB2LATEX_ADMONITIONS) + +# +# IDN support +# +AC_ARG_WITH(idn, + [ --with-idn[=MPREFIX] enable IDN support using idnkit [default PREFIX]], + use_idn="$withval", use_idn="no") +case "$use_idn" in +yes) + if test X$prefix = XNONE ; then + idn_path=/usr/local + else + idn_path=$prefix + fi + ;; +no) + ;; +*) + idn_path="$use_idn" + ;; +esac + +iconvinc= +iconvlib= +AC_ARG_WITH(libiconv, + [ --with-libiconv[=IPREFIX] GNU libiconv are in IPREFIX [default PREFIX]], + use_libiconv="$withval", use_libiconv="no") +case "$use_libiconv" in +yes) + if test X$prefix = XNONE ; then + iconvlib="-L/usr/local/lib -R/usr/local/lib -liconv" + else + iconvlib="-L$prefix/lib -R$prefix/lib -liconv" + fi + ;; +no) + iconvlib= + ;; +*) + iconvlib="-L$use_libiconv/lib -R$use_libiconv/lib -liconv" + ;; +esac + +AC_ARG_WITH(iconv, + [ --with-iconv[=LIBSPEC] specify iconv library [default -liconv]], + iconvlib="$withval") +case "$iconvlib" in +no) + iconvlib= + ;; +yes) + iconvlib=-liconv + ;; +esac + +AC_ARG_WITH(idnlib, + [ --with-idnlib=ARG specify libidnkit], + idnlib="$withval", idnlib="no") +if test "$idnlib" = yes; then + AC_MSG_ERROR([You must specify ARG for --with-idnlib.]) +fi + +IDNLIBS= +if test "$use_idn" != no; then + AC_DEFINE(WITH_IDN, 1, [define if idnkit support is to be included.]) + STD_CINCLUDES="$STD_CINCLUDES -I$idn_path/include" + if test "$idnlib" != no; then + IDNLIBS="$idnlib $iconvlib" + else + IDNLIBS="-L$idn_path/lib -lidnkit $iconvlib" + fi +fi +AC_SUBST(IDNLIBS) + +AC_CHECK_HEADERS(locale.h) +AC_CHECK_FUNCS(setlocale) + +# +# Substitutions +# +AC_SUBST(BIND9_TOP_BUILDDIR) +BIND9_TOP_BUILDDIR=`pwd` + +AC_SUBST(BIND9_ISC_BUILDINCLUDE) +AC_SUBST(BIND9_ISCCC_BUILDINCLUDE) +AC_SUBST(BIND9_ISCCFG_BUILDINCLUDE) +AC_SUBST(BIND9_DNS_BUILDINCLUDE) +AC_SUBST(BIND9_LWRES_BUILDINCLUDE) +AC_SUBST(BIND9_BIND9_BUILDINCLUDE) +if test "X$srcdir" != "X"; then + BIND9_ISC_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/isc/include" + BIND9_ISCCC_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/isccc/include" + BIND9_ISCCFG_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/isccfg/include" + BIND9_DNS_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/dns/include" + BIND9_LWRES_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/lwres/include" + BIND9_BIND9_BUILDINCLUDE="-I${BIND9_TOP_BUILDDIR}/lib/bind9/include" +else + BIND9_ISC_BUILDINCLUDE="" + BIND9_ISCCC_BUILDINCLUDE="" + BIND9_ISCCFG_BUILDINCLUDE="" + BIND9_DNS_BUILDINCLUDE="" + BIND9_LWRES_BUILDINCLUDE="" + BIND9_BIND9_BUILDINCLUDE="" +fi + +AC_SUBST_FILE(BIND9_MAKE_INCLUDES) +BIND9_MAKE_INCLUDES=$BIND9_TOP_BUILDDIR/make/includes + +AC_SUBST_FILE(BIND9_MAKE_RULES) +BIND9_MAKE_RULES=$BIND9_TOP_BUILDDIR/make/rules + +. $srcdir/version +BIND9_VERSION="VERSION=${MAJORVER}.${MINORVER}.${PATCHVER}${RELEASETYPE}${RELEASEVER}" +AC_SUBST(BIND9_VERSION) + +AC_SUBST_FILE(LIBISC_API) +LIBISC_API=$srcdir/lib/isc/api + +AC_SUBST_FILE(LIBISCCC_API) +LIBISCCC_API=$srcdir/lib/isccc/api + +AC_SUBST_FILE(LIBISCCFG_API) +LIBISCCFG_API=$srcdir/lib/isccfg/api + +AC_SUBST_FILE(LIBDNS_API) +LIBDNS_API=$srcdir/lib/dns/api + +AC_SUBST_FILE(LIBBIND9_API) +LIBBIND9_API=$srcdir/lib/bind9/api + +AC_SUBST_FILE(LIBLWRES_API) +LIBLWRES_API=$srcdir/lib/lwres/api + +# +# Configure any DLZ drivers. +# +# If config.dlz.in selects one or more DLZ drivers, it will set +# USE_DLZ to a non-empty value, which will be our clue to +# enable the DLZ core functions. +# +# This section has to come after the libtool stuff because it needs to +# know how to name the driver object files. +# + +USE_DLZ="" +DLZ_DRIVER_INCLUDES="" +DLZ_DRIVER_LIBS="" +DLZ_DRIVER_SRCS="" +DLZ_DRIVER_OBJS="" + +sinclude(contrib/dlz/config.dlz.in) + +AC_MSG_CHECKING(for DLZ) + +if test -n "$USE_DLZ" +then + AC_MSG_RESULT(yes) + USE_DLZ="-DDLZ $USE_DLZ" + DLZ_DRIVER_RULES=contrib/dlz/drivers/rules + AC_CONFIG_FILES([$DLZ_DRIVER_RULES]) +else + AC_MSG_RESULT(no) + DLZ_DRIVER_RULES=/dev/null +fi + +AC_SUBST(USE_DLZ) +AC_SUBST(DLZ_DRIVER_INCLUDES) +AC_SUBST(DLZ_DRIVER_LIBS) +AC_SUBST(DLZ_DRIVER_SRCS) +AC_SUBST(DLZ_DRIVER_OBJS) +AC_SUBST_FILE(DLZ_DRIVER_RULES) + +if test "$cross_compiling" = "yes"; then + if test -z "$BUILD_CC"; then + AC_ERROR([BUILD_CC not set]) + fi + BUILD_CFLAGS="$BUILD_CFLAGS" + BUILD_CPPFLAGS="$BUILD_CPPFLAGS" + BUILD_LDFLAGS="$BUILD_LDFLAGS" + BUILD_LIBS="$BUILD_LIBS" +else + BUILD_CC="$CC" + BUILD_CFLAGS="$CFLAGS" + BUILD_CPPFLAGS="$CPPFLAGS $GEN_NEED_OPTARG" + BUILD_LDFLAGS="$LDFLAGS" + BUILD_LIBS="$LIBS" +fi + +AC_SUBST(BUILD_CC) +AC_SUBST(BUILD_CFLAGS) +AC_SUBST(BUILD_CPPFLAGS) +AC_SUBST(BUILD_LDFLAGS) +AC_SUBST(BUILD_LIBS) + +# +# Commands to run at the end of config.status. +# Don't just put these into configure, it won't work right if somebody +# runs config.status directly (which autoconf allows). +# + +AC_CONFIG_COMMANDS( + [chmod], + [chmod a+x isc-config.sh]) + +# +# Files to configure. These are listed here because we used to +# specify them as arguments to AC_OUTPUT. It's (now) ok to move these +# elsewhere if there's a good reason for doing so. +# + +AC_CONFIG_FILES([ + Makefile + make/Makefile + make/mkdep + lib/Makefile + lib/isc/Makefile + lib/isc/include/Makefile + lib/isc/include/isc/Makefile + lib/isc/include/isc/platform.h + lib/isc/unix/Makefile + lib/isc/unix/include/Makefile + lib/isc/unix/include/isc/Makefile + lib/isc/nls/Makefile + lib/isc/$thread_dir/Makefile + lib/isc/$thread_dir/include/Makefile + lib/isc/$thread_dir/include/isc/Makefile + lib/isc/$arch/Makefile + lib/isc/$arch/include/Makefile + lib/isc/$arch/include/isc/Makefile + lib/isccc/Makefile + lib/isccc/include/Makefile + lib/isccc/include/isccc/Makefile + lib/isccfg/Makefile + lib/isccfg/include/Makefile + lib/isccfg/include/isccfg/Makefile + lib/dns/Makefile + lib/dns/include/Makefile + lib/dns/include/dns/Makefile + lib/dns/include/dst/Makefile + lib/bind9/Makefile + lib/bind9/include/Makefile + lib/bind9/include/bind9/Makefile + lib/lwres/Makefile + lib/lwres/include/Makefile + lib/lwres/include/lwres/Makefile + lib/lwres/include/lwres/netdb.h + lib/lwres/include/lwres/platform.h + lib/lwres/man/Makefile + lib/lwres/unix/Makefile + lib/lwres/unix/include/Makefile + lib/lwres/unix/include/lwres/Makefile + lib/tests/Makefile + lib/tests/include/Makefile + lib/tests/include/tests/Makefile + bin/Makefile + bin/check/Makefile + bin/named/Makefile + bin/named/unix/Makefile + bin/rndc/Makefile + bin/rndc/unix/Makefile + bin/dig/Makefile + bin/nsupdate/Makefile + bin/tests/Makefile + bin/tests/names/Makefile + bin/tests/master/Makefile + bin/tests/rbt/Makefile + bin/tests/db/Makefile + bin/tests/tasks/Makefile + bin/tests/timers/Makefile + bin/tests/dst/Makefile + bin/tests/mem/Makefile + bin/tests/net/Makefile + bin/tests/sockaddr/Makefile + bin/tests/system/Makefile + bin/tests/system/conf.sh + bin/tests/system/lwresd/Makefile + bin/tests/system/tkey/Makefile + bin/tests/headerdep_test.sh + bin/dnssec/Makefile + doc/Makefile + doc/arm/Makefile + doc/misc/Makefile + isc-config.sh + doc/xsl/Makefile + doc/xsl/isc-docbook-chunk.xsl + doc/xsl/isc-docbook-html.xsl + doc/xsl/isc-docbook-latex.xsl + doc/xsl/isc-manpage.xsl +]) + +# +# Do it +# + +AC_OUTPUT + +if test "X$OPENSSL_WARNING" != "X"; then +cat << \EOF +WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING +WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING +WARNING WARNING +WARNING Your OpenSSL crypto library may be vulnerable to WARNING +WARNING one or more of the the following known security WARNING +WARNING flaws: WARNING +WARNING WARNING +WARNING CAN-2002-0659, CAN-2006-4339, CVE-2006-2937 and WARNING +WARNING CVE-2006-2940. WARNING +WARNING WARNING +WARNING It is recommended that you upgrade to OpenSSL WARNING +WARNING version 0.9.8d/0.9.7l (or greater). WARNING +WARNING WARNING +WARNING You can disable this warning by specifying: WARNING +WARNING WARNING +WARNING --disable-openssl-version-check WARNING +WARNING WARNING +WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING +WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING +EOF +fi + +# Tell Emacs to edit this file in shell mode. +# Local Variables: +# mode: sh +# End: |
