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bind/configure.ac
Ondřej Surý 21d751dfc7 Remove OpenSSL based SipHash 2-4 implementation 
Creation of EVP_MD_CTX and EVP_PKEY is quite expensive, so until we fix the code
to reuse the OpenSSL contexts and keys we'll use our own implementation of
siphash instead of trying to integrate with OpenSSL.
2020-07-21 08:44:26 +02:00

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# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
#
# Defining the version in m4 requires a bit of dancing around,
# so the strings are properly concatenated, as you can't use
# a shell variable in AC_INIT()
#
m4_define([bind_VERSION_MAJOR], 9)dnl
m4_define([bind_VERSION_MINOR], 17)dnl
m4_define([bind_VERSION_PATCH], 3)dnl
m4_define([bind_VERSION_EXTRA], )dnl
m4_define([bind_DESCRIPTION], [(Development Release)])dnl
m4_define([bind_SRCID], [m4_esyscmd_s([git rev-parse --short HEAD | cut -b1-7])])dnl
m4_define([bind_PKG_VERSION], [[bind_VERSION_MAJOR.bind_VERSION_MINOR.bind_VERSION_PATCH]bind_VERSION_EXTRA])dnl
#
# Autoconf initialization
#
AC_INIT([BIND], bind_PKG_VERSION, [info@isc.org], [], [https://www.isc.org/downloads/])
AC_PREREQ(2.60)
AC_DEFINE([PACKAGE_VERSION_MAJOR], ["][bind_VERSION_MAJOR]["], [BIND 9 Major part of the version])
AC_DEFINE([PACKAGE_VERSION_MINOR], ["][bind_VERSION_MINOR]["], [BIND 9 Minor part of the version])
AC_DEFINE([PACKAGE_VERSION_PATCH], ["][bind_VERSION_PATCH]["], [BIND 9 Patch part of the version])
AC_DEFINE([PACKAGE_VERSION_EXTRA], ["][bind_VERSION_EXTRA]["], [BIND 9 Extra part of the version])
AC_DEFINE([PACKAGE_DESCRIPTION], [m4_ifnblank(bind_DESCRIPTION, [" ]bind_DESCRIPTION["], [])], [An extra string to print after PACKAGE_STRING])
AC_DEFINE([PACKAGE_SRCID], ["][bind_SRCID]["], [A short hash from git])
# This value should be increased whenever changing the structure of
# any object that will appear in a type 'map' master file (which
# contains a working memory image of an RBT database), as loading
# an incorrect memory image produces an inconsistent and probably
# nonfunctional database. These structures include but are not
# necessarily limited to dns_masterrawheader, rbtdb_file_header,
# rbt_file_header, dns_rbtdb, dns_rbt, dns_rbtnode, rdatasetheader.
#
# Err on the side of caution: if anything in the RBTDB is changed,
# bump the value. Making map files unreadable protects the system
# from instability; it's a feature not a bug.
#
# Whenever releasing a new major release of BIND9, set this value
# back to 1.0 when releasing the first alpha. Map files are *never*
# compatible across major releases.
AC_DEFINE([MAPAPI], ["2.0"], [BIND 9 MAPAPI Version])
bind_CONFIGARGS="${ac_configure_args:-default}"
AC_DEFINE_UNQUOTED([PACKAGE_CONFIGARGS], ["$bind_CONFIGARGS"], [Either 'defaults' or used ./configure options])
AC_DEFINE([PACKAGE_BUILDER], ["make"], [make or Visual Studio])
AC_CONFIG_SRCDIR([bin/named/main.c])
AM_INIT_AUTOMAKE([1.9 tar-pax foreign subdir-objects dist-xz no-dist-gzip -Wall -Werror])
AM_SILENT_RULES([yes])
AM_EXTRA_RECURSIVE_TARGETS([test unit doc])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
#
# Enable maintainer mode by default only when building from git repository
#
AM_MAINTAINER_MODE([m4_ifset([bind_SRCID],[enable],[disable])])
# Set the library versions
# https://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
AX_BIND9_LIB_VERSION([bind9])
AX_BIND9_LIB_VERSION([dns])
AX_BIND9_LIB_VERSION([irs])
AX_BIND9_LIB_VERSION([isc])
AX_BIND9_LIB_VERSION([isccc])
AX_BIND9_LIB_VERSION([isccfg])
AX_BIND9_LIB_VERSION([ns])
#
# Enable system extensions to C and POSIX
#
AC_USE_SYSTEM_EXTENSIONS
AC_CANONICAL_HOST
#
# Compiler compatibility flags
#
AC_PROG_CC_C99
AC_PROG_CPP_WERROR
#
# Find the machine's endian flavor.
#
AC_C_BIGENDIAN
#
# Enable large file support
#
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
# Enable RFC 3542 APIs on macOS
AC_DEFINE([__APPLE_USE_RFC_3542], [1], [Select RFC3542 IPv6 API on macOS])
AC_PROG_MAKE_SET
# Checks for programs.
m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) # call AM_PROG_AR only if available
AC_PATH_PROG([LIBTOOL], [libtool])
AS_IF([test -z "$LIBTOOL"],
[AC_MSG_ERROR([The libtool script could not be found.])])
AC_PROG_INSTALL
AC_PROG_LN_S
AX_POSIX_SHELL
AC_PROG_MKDIR_P
# Initialize libtool
LT_INIT([disable-static dlopen pic-only])
AS_IF([test $enable_static != "no"],
[AC_MSG_ERROR([Static linking is not supported as it disables dlopen() and certain security features (e.g. RELRO, ASLR)])])
LT_CONFIG_LTDL_DIR([libltdl])
LTDL_INIT([recursive])
AC_CONFIG_FILES([libltdl/Makefile])
#
# Set the default CFLAGS and CPPFLAGS
#
STD_CFLAGS="-Wall -Wextra -Wwrite-strings -Wcast-qual -Wpointer-arith -Wno-missing-field-initializers -Wformat -Wshadow"
# These should be always errors
STD_CFLAGS="$STD_CFLAGS -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=format-security -Werror=parentheses -Werror=implicit -Werror=strict-prototypes"
# Fortify the sources by default
STD_CPPFLAGS="-D_FORTIFY_SOURCE=2"
#
# Additional compiler settings.
#
AX_CHECK_COMPILE_FLAG([-fno-strict-aliasing],
[STD_CFLAGS="$STD_CFLAGS -fno-strict-aliasing"])
# Clang only issues a warning so use -Werror to force a error.
AX_CHECK_COMPILE_FLAG([-Werror -fno-delete-null-pointer-checks],
[STD_CFLAGS="$STD_CFLAGS -fno-delete-null-pointer-checks"])
AX_CHECK_COMPILE_FLAG([-fdiagnostics-show-option],
[STD_CFLAGS="$STD_CFLAGS -fdiagnostics-show-option"])
#
# Change defaults for developers if not explicity set.
# Needs to be before the option is tested.
#
AC_ARG_ENABLE([developer],
[AS_HELP_STRING([--enable-developer],
[enable developer build settings])])
AS_IF([test "$enable_developer" = "yes"],
[STD_CPPFLAGS="$STD_CPPFLAGS -DISC_MEM_DEFAULTFILL=1 -DISC_LIST_CHECKINIT=1"
test "${enable_fixed_rrset+set}" = set || enable_fixed_rrset=yes
test "${enable_querytrace+set}" = set || enable_querytrace=yes
test "${with_cmocka+set}" = set || with_cmocka=yes
test "${with_dlz_filesystem+set}" = set || with_dlz_filesystem=yes
test "${with_zlib+set}" = set || with_zlib=yes
test "${enable_warn_error+set}" = set || enable_warn_error=yes
])
AC_SUBST([STD_CFLAGS])
AC_SUBST([STD_CPPFLAGS])
AC_ARG_ENABLE([warn_error],
[AS_HELP_STRING([--enable-warn-error],
[turn on -Werror when compiling])],
[],[enable_warn_error=no])
AS_IF([test "$enable_warn_error" = "yes"],
[STD_CFLAGS="$STD_CFLAGS -Werror"])
#
# Use pkg-config
#
PKG_PROG_PKG_CONFIG
AS_IF([test -z "$PKG_CONFIG"],
[AC_MSG_ERROR([The pkg-config script could not be found or is too old.])])
AC_ARG_ENABLE(buffer_useinline,
AS_HELP_STRING([--enable-buffer-useinline],
[define ISC_BUFFER_USEINLINE when compiling
[default=yes]]),
if test yes = "${enable}"
then
AC_DEFINE([ISC_BUFFER_USEINLINE], [1],
[Define if you want to use inline buffers])
fi,
AC_DEFINE([ISC_BUFFER_USEINLINE], [1]))
AC_ARG_ENABLE([fuzzing],
[AS_HELP_STRING([--enable-fuzzing=<afl|libfuzzer>],
[Enable fuzzing using American Fuzzy Lop or libFuzzer (default=no)])],
[],
[enable_fuzzing=no])
AC_MSG_CHECKING([whether to enable fuzzing mode])
AS_CASE([$enable_fuzzing],
[no],[AC_MSG_RESULT([no])],
[afl],[
AC_MSG_RESULT([using AFL])
AC_DEFINE([ENABLE_AFL], [1],
[Define to enable American Fuzzy Lop test harness])
CFLAGS="$CFLAGS -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION=1"
LIBS="$LIBS -lpthread"],
[libfuzzer],[
AC_MSG_RESULT([using libFuzzer])
CFLAGS="$CFLAGS -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION=1 -fsanitize=fuzzer,address,undefined"
LDFLAGS="$LDFLAGS -fsanitize=fuzzer,address,undefined"],
[*],[AC_MSG_ERROR([You need to explicitly select the fuzzer])])
AS_IF([test "$enable_fuzzing" = "afl"],
[AC_MSG_CHECKING("for AFL enabled compiler")
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[#ifndef __AFL_COMPILER
#error AFL compiler required
#endif
])],
[AC_MSG_RESULT([yes])],
[AC_MSG_ERROR([set CC=afl-<gcc|clang> when --enable-fuzzing=afl is used])])
])
AC_ARG_ENABLE(mutex_atomics,
AS_HELP_STRING([--enable-mutex-atomics],
[emulate atomics by mutex-locked variables, useful for debugging
[default=no]]),
[],
[enable_mutex_atomics=no])
AC_MSG_CHECKING([whether to emulate atomics with mutexes])
case "$enable_mutex_atomics" in
yes)
AC_MSG_RESULT(yes)
AC_DEFINE(ISC_MUTEX_ATOMICS, 1, [Define to emulate atomic variables with mutexes.])
;;
no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_ERROR("--enable-mutex-atomics requires yes or no")
;;
esac
#
# Perl is optional; it is used only by some of the system test scripts.
#
AC_PATH_PROGS([PERL], [perl5 perl])
AC_SUBST([PERL])
AM_CONDITIONAL([HAVE_PERL], [test -n "$PERL"])
AX_PERL_MODULE([Digest::HMAC])
AM_CONDITIONAL([HAVE_PERLMOD_DIGEST_HMAC],
[test "$HAVE_PERLMOD_DIGEST__HMAC" = "yes"])
AX_PERL_MODULE([File::Fetch])
AM_CONDITIONAL([HAVE_PERLMOD_FILE_FETCH],
[test "$HAVE_PERLMOD_FILE__FETCH" = "yes"])
AX_PERL_MODULE([Net::DNS])
AM_CONDITIONAL([HAVE_PERLMOD_NET_DNS],
[test "$HAVE_PERLMOD_NET__DNS" = "yes"])
AX_PERL_MODULE([Net::DNS::Nameserver])
AM_CONDITIONAL([HAVE_PERLMOD_NET_DNS_NAMESERVER],
[test "$HAVE_PERLMOD_NET__DNS__NAMESERVER" = "yes"])
AX_PERL_MODULE([Time::HiRes])
AM_CONDITIONAL([HAVE_PERLMOD_TIME_HIRES],
[test "$HAVE_PERLMOD_TIME__HIRES" = "yes"])
#
# Python is optional, it is used only by some of the system test scripts.
#
AM_PATH_PYTHON([3.4], [], [:])
AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != ":"])
AC_PATH_PROGS([PYTEST], [pytest-3 py.test-3 pytest pytest-pypy], [])
AS_IF([test -z "$PYTEST"],
[AC_MSG_WARN([pytest not found, some system tests will be skipped])])
AC_SUBST([PYTEST])
AM_CONDITIONAL([HAVE_PYTEST], [test -n "$PYTEST"])
AX_PYTHON_MODULE([dns])
AM_CONDITIONAL([HAVE_PYMOD_DNS], [test "$HAVE_PYMOD_DNS" = "yes"])
#
# xsltproc is optional, it is used only by system test scripts.
#
AC_PATH_PROG([XSLTPROC], [xsltproc])
#
# Using Solaris linker with gcc on Solaris breaks Thread Local Storage
#
AS_CASE([$host],
[*-solaris*],[
AS_IF([test "$GCC" = "yes"],
[LDFLAGS="$LDFLAGS -zrelax=transtls"
AC_MSG_WARN([When using GNU C Compiler on Solaris, -zrelax=transtls linker flag is used to fix bug in Thread Local Storage])
])
])
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h regex.h sys/time.h unistd.h sys/mman.h sys/sockio.h sys/select.h sys/param.h sys/sysctl.h net/if6.h sys/socket.h net/route.h linux/netlink.h linux/rtnetlink.h], [], [],
[$ac_includes_default
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
])
#
# Check for thread local storage
#
AC_CHECK_HEADERS([threads.h])
AX_TLS([AS_IF([test "$ac_cv_tls" != "thread_local"],
[AC_DEFINE_UNQUOTED([thread_local], [$ac_cv_tls], [Define if the compiler uses a different keyword than thread_local for TLS variables])])],
[AC_MSG_ERROR([Thread Local Storage support required, update your toolchain to build BIND 9])])
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
#
# Check for yield support on ARM processors
#
AS_CASE([$host],
[arm*],
[AC_MSG_CHECKING([for yield instruction support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]],
[[__asm__ __volatile__ ("yield")]])],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_ARM_YIELD], [1],
[define if the ARM yield instruction is available])],
[AC_MSG_RESULT([no])])])
#
# Check for pause support on SPARC processors
#
AS_CASE([$host],
[sparc*],
[AC_MSG_CHECKING([for pause instruction support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[]],
[[__asm__ __volatile__ ("pause")]])],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_SPARC_PAUSE], [1],
[define if the SPARC pause instruction is available])],
[AC_MSG_RESULT([no])])])
AC_CHECK_FUNCS([sysctlbyname])
#
# Check for the existence of mmap to enable the fast format zones
#
AC_CHECK_FUNCS(mmap)
#
# Older versions of HP/UX don't define seteuid() and setegid()
#
AC_CHECK_FUNCS([seteuid setresuid])
AC_CHECK_FUNCS([setegid setresgid])
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINTPTR_T
AC_HEADER_TIME
#
# check for uname library routine
#
AC_MSG_CHECKING([for uname])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/utsname.h>
#include <stdio.h>
]],
[[
struct utsname uts;
uname(&uts);
printf("running on %s %s %s for %s\n",
uts.sysname, uts.release, uts.version, uts.machine);
]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_UNAME], [1], [define if uname is available])
],
[AC_MSG_RESULT(no)
AC_MSG_WARN([uname is not correctly supported])
])
#
# check for GCC noreturn attribute
#
AX_GCC_FUNC_ATTRIBUTE([noreturn])
#
# check if we have kqueue
#
AC_ARG_ENABLE([kqueue],
[AS_HELP_STRING([--enable-kqueue],
[use BSD kqueue when available [default=yes]])],
[], enable_kqueue="yes")
AS_IF([test "$enable_kqueue" = "yes"],
[AC_CHECK_FUNCS([kqueue])])
#
# check if we have epoll. Linux kernel 2.4 has epoll_create() which fails,
# so we need to try running the code, not just test its existence.
#
AC_ARG_ENABLE([epoll],
[AS_HELP_STRING([--enable-epoll],
[use Linux epoll when available [default=auto]])],
[], [enable_epoll="yes"])
AS_IF([test "$enable_epoll" = "yes"],
[AC_CHECK_FUNCS([epoll_create1])])
#
# check if we support /dev/poll
#
AC_ARG_ENABLE([devpoll],
[AS_HELP_STRING([--enable-devpoll],
[use /dev/poll when available [default=yes]])],
[], [enable_devpoll="yes"])
AS_IF([test "$enable_devpoll" = "yes"],
[AC_CHECK_HEADERS([sys/devpoll.h devpoll.h])])
#
# GeoIP support?
#
# Should be on by default if libmaxminddb exists.
#
AC_ARG_ENABLE([geoip],
[AS_HELP_STRING([--disable-geoip],
[support GeoIP2 geolocation ACLs if available [default=yes]])],
[], [enable_geoip="yes"])
AC_ARG_WITH([maxminddb],
[AS_HELP_STRING([--with-maxminddb=PATH],
[Build with MaxMind GeoIP2 support (auto|yes|no|path) [default=auto]])],
[], [with_maxminddb="auto"])
AS_IF([test "$enable_geoip" = "yes"],
[AS_CASE([$with_maxminddb],
[no],[AC_MSG_ERROR([Use '--disable-geoip' to disable the GeoIP])],
[auto],[PKG_CHECK_MODULES([MAXMINDDB], [libmaxminddb],
[AC_DEFINE([HAVE_GEOIP2], [1], [Build with GeoIP2 support])
PKG_CHECK_VAR([MAXMINDDB_PREFIX], [libmaxminddb], [prefix], [], [AC_MSG_ERROR([libmaxminddb prefix not found in pkg-config; set MAXMINDDB_PREFIX in the environment])])
],[:])],
[yes],[PKG_CHECK_MODULES([MAXMINDDB], [libmaxminddb],
[AC_DEFINE([HAVE_GEOIP2], [1], [Build with GeoIP2 support])
PKG_CHECK_VAR([MAXMINDDB_PREFIX], [libmaxminddb], [prefix], [], [AC_MSG_ERROR([libmaxminddb prefix not found in pkg-config; set MAXMINDDB_PREFIX in the environment])])
])],
[ # default
AX_SAVE_FLAGS([maxminddb])
MAXMINDDB_CFLAGS="-I$with_maxminddb/include"
MAXMINDDB_LIBS="-L$with_maxminddb/lib"
CFLAGS="$CFLAGS $MAXMINDDB_CFLAGS"
LIBS="$LIBS $MAXMINDDB_LIBS"
AC_SEARCH_LIBS([MMDB_open], [maxminddb],
[AC_DEFINE([HAVE_GEOIP2], [1], [Build with GeoIP2 support])
MAXMINDDB_LIBS="$MAXMINDDB_LIBS $ac_cv_search_mmdb_open"
AC_MSG_NOTICE([GeoIP2 default database path set to $with_maxminddb/share/GeoIP])
AS_VAR_COPY([MAXMINDDB_PREFIX], [$with_maxminddb])
],
[AC_MSG_ERROR([GeoIP2 requested, but libmaxminddb not found])])
AX_RESTORE_FLAGS([maxminddb])
])
AC_ARG_VAR([MAXMINDDB_PREFIX], [value of prefix for MAXMINDDB, overriding pkg-config])
])
AM_CONDITIONAL([HAVE_GEOIP2], [test -n "$MAXMINDDB_LIBS"])
AC_SUBST([MAXMINDDB_CFLAGS])
AC_SUBST([MAXMINDDB_LIBS])
AX_PTHREAD
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"
AC_CHECK_FUNCS([pthread_attr_getstacksize pthread_attr_setstacksize])
AC_ARG_WITH([locktype],
AS_HELP_STRING([--with-locktype=ARG],
[Specify mutex lock type
(adaptive or standard)]),
[], [with_locktype="adaptive"])
AS_CASE([$with_locktype],
[adaptive],[
AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <pthread.h>
]],
[[
return (PTHREAD_MUTEX_ADAPTIVE_NP);
]]
)],
[AC_MSG_RESULT([using adaptive lock type])
AC_DEFINE([HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], 1,
[Support for PTHREAD_MUTEX_ADAPTIVE_NP]) ],
[AC_MSG_RESULT([using standard lock type])]
)],
[standard],[AC_MSG_RESULT([using standard lock type])],
[AC_MSG_ERROR([You must specify "adaptive" or "standard" for --with-locktype.])]
)
AC_CHECK_HEADERS([sched.h])
AC_SEARCH_LIBS([sched_yield],[rt])
AC_CHECK_FUNCS([sched_yield pthread_yield pthread_yield_np])
AC_CHECK_HEADERS([sys/cpuset.h])
AC_CHECK_HEADERS([sys/procset.h])
AC_CHECK_FUNCS([pthread_setaffinity_np cpuset_setaffinity processor_bind sched_setaffinity])
# Look for functions relating to thread naming
AC_CHECK_FUNCS([pthread_setname_np pthread_set_name_np])
AC_CHECK_HEADERS([pthread_np.h], [], [], [#include <pthread.h>])
# libuv
AC_MSG_CHECKING([for libuv])
PKG_CHECK_MODULES([LIBUV], [libuv >= 1.0.0], [],
[AC_MSG_ERROR([libuv not found])])
AX_SAVE_FLAGS([libuv])
CFLAGS="$CFLAGS $LIBUV_CFLAGS"
LIBS="$LIBS $LIBUV_LIBS"
# Those functions are only provided in newer versions of libuv, we'll be emulating them
# for now
AC_CHECK_FUNCS([uv_handle_get_data uv_handle_set_data uv_import])
AX_RESTORE_FLAGS([libuv])
#
# flockfile is usually provided by pthreads
#
AC_CHECK_FUNCS([flockfile getc_unlocked])
#
# Look for sysconf to allow detection of the number of processors.
#
AC_CHECK_FUNCS([sysconf])
#
# Do we want to use pthread rwlock?
#
AC_ARG_ENABLE([pthread_rwlock],
[AS_HELP_STRING([--enable-pthread-rwlock],
[use pthread rwlock instead of internal rwlock implementation])],
[], [enable_pthread_rwlock=no])
AS_IF([test "$enable_pthread_rwlock" = "yes"],
[AC_CHECK_FUNCS([pthread_rwlock_rdlock], [],
[AC_MSG_ERROR([pthread_rwlock_rdlock requested but not found])])
AC_DEFINE([USE_PTHREAD_RWLOCK],[1],[Define if you want to use pthread rwlock implementation])
])
CRYPTO=OpenSSL
#
# OpenSSL/LibreSSL is mandatory
#
PKG_CHECK_MODULES([OPENSSL], [libcrypto], [],
[AX_CHECK_OPENSSL([:],[AC_MSG_FAILURE([OpenSSL/LibreSSL not found])])])
AX_SAVE_FLAGS([openssl])
CFLAGS="$CFLAGS $OPENSSL_CFLAGS"
LIBS="$LIBS $OPENSSL_LIBS"
AC_MSG_CHECKING([for OpenSSL >= 1.0.0 or LibreSSL])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <openssl/opensslv.h>]],
[[#if !defined(LIBRESSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER < 0x1000000fL)
#error OpenSSL >= 1.0.0 or LibreSSL required
#endif
]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([not found])])
#
# Check for functions added in OpenSSL or LibreSSL
#
AC_CHECK_FUNCS([CRYPTO_zalloc])
AC_CHECK_FUNCS([EVP_CIPHER_CTX_new EVP_CIPHER_CTX_free])
AC_CHECK_FUNCS([EVP_MD_CTX_new EVP_MD_CTX_free EVP_MD_CTX_reset])
AC_CHECK_FUNCS([HMAC_CTX_new HMAC_CTX_free HMAC_CTX_reset HMAC_CTX_get_md])
#
# Check for algorithm support in OpenSSL
#
AC_CHECK_FUNCS([ECDSA_sign ECDSA_verify], [:],
[AC_MSG_FAILURE([ECDSA support in OpenSSL is mandatory.])])
AC_MSG_CHECKING([for ECDSA P-256 support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <openssl/evp.h>
#include <openssl/ec.h>]],
[[EC_KEY *key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([not found. ECDSA P-256 support in OpenSSL is mandatory.])])
AC_MSG_CHECKING([for ECDSA P-384 support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <openssl/evp.h>
#include <openssl/ec.h>]],
[[EC_KEY *key = EC_KEY_new_by_curve_name(NID_secp384r1);]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([not found. ECDSA P-384 support in OpenSSL is mandatory.])])
AC_MSG_CHECKING([for Ed25519 support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <openssl/evp.h>
#include <openssl/ec.h>]],
[[EC_KEY *key = EC_KEY_new_by_curve_name(NID_ED25519);]])],
[AC_DEFINE([HAVE_OPENSSL_ED25519], [1], [define if OpenSSL supports Ed25519])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for Ed448 support])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <openssl/evp.h>
#include <openssl/ec.h>]],
[[EC_KEY *key = EC_KEY_new_by_curve_name(NID_ED448);]])],
[AC_DEFINE([HAVE_OPENSSL_ED448], [1], [define if OpenSSL supports Ed448])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
#
# Check for OpenSSL SHA-1 support
#
AC_CHECK_FUNCS([EVP_sha1], [:],
[AC_MSG_FAILURE([SHA-1 support in OpenSSL is mandatory.])])
#
# Check for OpenSSL SHA-2 support
#
AC_CHECK_FUNCS([EVP_sha224 EVP_sha256 EVP_sha384 EVP_sha512], [:],
[AC_MSG_FAILURE([SHA-2 support in OpenSSL is mandatory.])])
#
# Check for OpenSSL AES support
#
AC_CHECK_FUNCS([EVP_aes_128_ecb EVP_aes_192_ecb EVP_aes_256_ecb], [:],
[AC_MSG_FAILURE([AES support in OpenSSL is mandatory.])])
#
# Check for OpenSSL 1.1.x/LibreSSL functions
#
AC_CHECK_FUNCS([DH_get0_key ECDSA_SIG_get0 RSA_set0_key])
#
# Check whether FIPS mode is available and whether we should enable it
#
AC_ARG_ENABLE([fips-mode],
[AS_HELP_STRING([--enable-fips-mode],
[enable FIPS mode in OpenSSL library [default=no]])],
[], [enable_fips_mode="no"])
AC_MSG_CHECKING([whether to enable FIPS mode in OpenSSL library])
AS_CASE([$enable_fips_mode],
[yes], [AC_MSG_RESULT([yes])
AC_CHECK_FUNCS([FIPS_mode],
[], [AC_MSG_FAILURE([OpenSSL FIPS mode requested but not available.])])],
[no], [AC_MSG_RESULT([no])])
AX_RESTORE_FLAGS([openssl])
AC_SUBST([OPENSSL_CFLAGS])
AC_SUBST([OPENSSL_LIBS])
#
# was --enable-native-pkcs11 specified?
#
AC_ARG_ENABLE([native-pkcs11],
AS_HELP_STRING([--enable-native-pkcs11],
[use native PKCS11 for public-key crypto [default=no]]),
[:], [enable_native_pkcs11="no"])
AC_MSG_CHECKING([for PKCS11 for Public-Key Cryptography])
AS_CASE([$enable_native_pkcs11],
[no],[AC_MSG_RESULT([no])],
[yes],[CRYPTO=pkcs11
AC_MSG_RESULT([yes])
AC_CHECK_FUNCS([getpassphrase])
])
AM_CONDITIONAL([HAVE_PKCS11], [test "$CRYPTO" = "pkcs11"])
AC_SUBST([CRYPTO])
AS_CASE([$CRYPTO],
[pkcs11],[AC_DEFINE([USE_PKCS11], [1], [define if PKCS11 is used for Public-Key Cryptography])],
[AC_DEFINE([USE_OPENSSL], [1], [define if OpenSSL is used for Public-Key Cryptography])])
#
# was --with-pkcs11 specified?
#
AC_ARG_WITH([pkcs11],
[AS_HELP_STRING([--with-pkcs11[=PATH]],
[Build with PKCS11 support [no|path] (PATH is for the PKCS11 provider)])],
[:], [with_pkcs11="undefined"])
AS_CASE([$with_pkcs11],
[yes|auto],[AC_MSG_ERROR([--with-pkcs11 needs explicit path to the PKCS11 library])],
[no|undefined],[with_pkcs11="undefined"])
AC_DEFINE_UNQUOTED([PK11_LIB_LOCATION], ["$with_pkcs11"], [define the default PKCS11 library path])
AC_CHECK_FUNCS([clock_gettime])
AC_ARG_WITH([gssapi],
[AS_HELP_STRING([--with-gssapi=[PATH|[/path/]krb5-config]],
[Specify path for system-supplied GSSAPI
[default=auto]])],
[], [with_gssapi="auto"])
KRB5_CONFIG=
AS_CASE([$with_gssapi],
[no],[AC_MSG_CHECKING([for GSSAPI support])
AC_MSG_RESULT([no])],
[yes],[AC_PATH_PROG([KRB5_CONFIG], [krb5-config])
AS_IF([test -z "$KRB5_CONFIG"],
[AC_MSG_ERROR([krb5-config required but not found])])],
[auto],[AC_PATH_PROG([KRB5_CONFIG], [krb5-config])],
[*krb5-config*],[KRB5_CONFIG="$with_gssapi"],
[AC_MSG_ERROR([--with-gssapi requires yes|no|auto|/path/to/krb5-config])])
GSSAPI_CFLAGS=
GSSAPI_LIBS=
KRB5_CFLAGS=
KRB5_LIBS=
AS_IF([test -n "$KRB5_CONFIG"],
[AC_MSG_CHECKING([for gssapi libraries])
AX_SAVE_FLAGS([gssapi])
GSSAPI_CFLAGS=`"$KRB5_CONFIG" --cflags gssapi`
GSSAPI_LIBS=`"$KRB5_CONFIG" --libs gssapi`
CFLAGS="$CFLAGS $GSSAPI_CFLAGS"
LIBS="$LIBS $GSSAPI_LIBS"
AC_MSG_RESULT([$GSSAPI_CFLAGS $GSSAPI_LIBS])
AC_CHECK_HEADERS([gssapi/gssapi.h], [],
[AC_CHECK_HEADERS([gssapi.h], [],
[AC_MSG_ERROR([neither gssapi/gssapi.h nor gssapi.h found])])])
AC_CHECK_HEADERS([gssapi/gssapi_krb5.h],
[AC_CHECK_HEADERS([gssapi_krb5.h], []
[AC_MSG_ERROR([neither gssapi/gssapi_krb5.h nor gssapi_krb5.h found])])])
AC_CHECK_FUNCS([gss_acquire_cred],[],
[AC_MSG_ERROR([linking with $GSSAPI_LIBS does not work])])
AX_RESTORE_FLAGS([gssapi])
AC_MSG_CHECKING([for krb5 libraries])
AX_SAVE_FLAGS([krb5])
KRB5_CFLAGS=`"$KRB5_CONFIG" --cflags krb5`
KRB5_LIBS=`$KRB5_CONFIG --libs krb5`
CFLAGS="$CFLAGS $KRB5_CFLAGS"
LIBS="$CFLAGS $KRB5_LIBS"
AC_MSG_RESULT([$KRB5_CFLAGS $KRB5_LIBS])
AC_CHECK_HEADERS([krb5/krb5.h], [],
[AC_CHECK_HEADERS([krb5.h], [],
[AC_MSG_ERROR([neither krb5/krb5.h nor krb5 found])])])
AC_CHECK_FUNCS([krb5_init_context], [],
[AC_MSG_ERROR([linking with $KRB5_LIBS failed])])
AX_RESTORE_FLAGS([krb5])
AC_DEFINE([HAVE_GSSAPI], [1], [Define to 1 if you have the Kerberos Framework available])
# kludge to silence compiler warnings which recommend use of GSS.framework on macOS
AS_CASE([$host],[*-darwin*],[CFLAGS="$CFLAGS -Wno-deprecated-declarations"])])
AM_CONDITIONAL([HAVE_GSSAPI], [test -n "$GSSAPI_LIBS"])
AC_SUBST([GSSAPI_CFLAGS])
AC_SUBST([GSSAPI_LIBS])
AC_SUBST([KRB5_CFLAGS])
AC_SUBST([KRB5_LIBS])
#
# was --with-lmdb specified?
#
AC_ARG_WITH([lmdb],
[AS_HELP_STRING([--with-lmdb=@<:@PATH@:>@],
[use LMDB library @<:@default=auto@:>@, optionally specify the prefix for lmdb library])],
[:],
[with_lmdb="auto"])
ac_lib_lmdb_found=no
AS_CASE([$with_lmdb],
[no],[],
[auto|yes], [PKG_CHECK_MODULES([LMDB], [lmdb],
[ac_lib_lmdb_found=yes],
[for ac_lib_lmdb_path in /usr /usr/local /opt /opt/local; do
AX_LIB_LMDB([$ac_lib_lmdb_path],
[ac_lib_lmdb_found=yes
break])
done
])],
[AX_LIB_LMDB([$with_lmdb],[ac_lib_lmdb_found=yes])])
# don't fail when in automatic mode
AS_IF([test "$with_lmdb" = "auto" && test "$ac_lib_lmdb_found" = "no"],
[with_lmdb=no])
# hard fail when LMDB requested, but not found
AS_IF([test "$with_lmdb" != "no" && test "$ac_lib_lmdb_found" != "yes"],
[AC_MSG_ERROR([LMDB requested, but not found])])
AS_IF([test "$ac_lib_lmdb_found" = "yes"],
[AC_DEFINE([HAVE_LMDB], [1], [Use lmdb library])])
AC_SUBST([LMDB_CFLAGS])
AC_SUBST([LMDB_LIBS])
AM_CONDITIONAL([HAVE_LMDB], [test -n "$LMDB_LIBS"])
#
# was --with-libxml2 specified?
#
AC_ARG_WITH([libxml2],
[AS_HELP_STRING([--with-libxml2],
[build with libxml2 library [yes|no|auto] (default is auto)])],
[], [with_libxml2="auto"])
AS_CASE([$with_libxml2],
[no],[],
[auto],[PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.0],
[AC_DEFINE([HAVE_LIBXML2], [1], [Use libxml2 library])],
[:])],
[yes],[PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.0],
[AC_DEFINE([HAVE_LIBXML2], [1], [Use libxml2 library])])],
[AC_MSG_ERROR([Specifying libxml2 installation path is not supported, adjust PKG_CONFIG_PATH instead])])
AM_CONDITIONAL([HAVE_LIBXML2], [test -n "$LIBXML2_LIBS"])
#
# was --with-json-c specified?
#
AC_ARG_WITH([json-c],
[AS_HELP_STRING([--with-json-c],
[build with json-c library [yes|no|detect] (default is detect)])],
[], [with_json_c="detect"])
AS_CASE([$with_json_c],
[no],[],
[detect],[PKG_CHECK_MODULES([JSON_C], [json-c >= 0.11],
[AC_DEFINE([HAVE_JSON_C], [1], [Use json-c library])],
[:])],
[yes],[PKG_CHECK_MODULES([JSON_C], [json-c >= 0.11],
[AC_DEFINE([HAVE_JSON_C], [1], [Use json-c library])])],
[AC_MSG_ERROR([Specifying json-c installation path is not supported, adjust PKG_CONFIG_PATH instead])]
)
AM_CONDITIONAL([HAVE_JSON_C], [test -n "$JSON_C_LIBS"])
AC_SUBST([JSON_C_CFLAGS])
AC_SUBST([JSON_C_LIBS])
#
# was --with-zlib specified?
#
AC_ARG_WITH([zlib],
[AS_HELP_STRING([--with-zlib],
[build with zlib for HTTP compression
[default=yes]])],
[], with_zlib="auto")
AS_CASE([$with_zlib],
[no],[],
[auto],[PKG_CHECK_MODULES([ZLIB], [zlib],
[AC_DEFINE([HAVE_ZLIB], [1], [Use zlib library])],
[:])],
[yes],[PKG_CHECK_MODULES([ZLIB], [zlib],
[AC_DEFINE([HAVE_ZLIB], [1], [Use zlib library])])],
[AC_MSG_ERROR([Specifying zlib installation path is not supported, adjust PKG_CONFIG_PATH instead])])
AC_SUBST([ZLIB_CFLAGS])
AC_SUBST([ZLIB_LIBS])
#
# Google/Great Performance Tools CPU Profiler
#
AC_MSG_CHECKING(whether to use gperftools profiler)
AC_ARG_WITH(gperftools-profiler,
AS_HELP_STRING([--with-gperftools-profiler],
[use gperftools CPU profiler]),
use_profiler="$withval", use_profiler="no")
case $use_profiler in
yes)
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_GPERFTOOLS_PROFILER], 1,
[Define to use gperftools CPU profiler.])
LIBS="$LIBS -lprofiler"
;;
*)
AC_MSG_RESULT(no)
;;
esac
#
# Check if the system supports glibc-compatible backtrace() function.
#
AC_CHECK_HEADERS([execinfo.h],
[AC_SEARCH_LIBS([backtrace], [execinfo],
[AC_CHECK_FUNCS([backtrace backtrace_symbols])])])
AM_CONDITIONAL([HAVE_BACKTRACE], [test "$ac_cv_func_backtrace" = "yes"])
#
# We do the IPv6 compilation checking after libtool so that we can put
# the right suffix on the files.
#
AC_MSG_CHECKING([for IPv6 structures])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
]],
[[
struct sockaddr_in6 sin6;
struct in6_addr in6;
struct in6_pktinfo in6_pi;
struct sockaddr_storage storage;
in6 = in6addr_any;
in6 = in6addr_loopback;
sin6.sin6_scope_id = 0;
return (0);
]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([IPv6 support is mandatory])])
#
# Allow forcibly disabling TCP Fast Open support as autodetection might yield
# confusing results on some systems (e.g. FreeBSD; see set_tcp_fastopen()
# comment in lib/isc/unix/socket.c).
#
AC_ARG_ENABLE([tcp_fastopen],
[AS_HELP_STRING([--disable-tcp-fastopen],
[disable TCP Fast Open support [default=yes]])],
[], [enable_tcp_fastopen="yes"])
AS_IF([test "$enable_tcp_fastopen" = "yes"],
[AC_DEFINE([ENABLE_TCP_FASTOPEN], [1], [define if you want TCP_FASTOPEN enabled if available])])
#
# Check for some other useful functions that are not ever-present.
#
AC_CHECK_FUNCS([strlcpy strlcat])
AC_SUBST(READLINE_LIB)
AC_ARG_WITH(readline,
AS_HELP_STRING([--with-readline[=LIBSPEC]],
[specify readline library [default auto]]),
use_readline="$withval", use_readline="auto")
case "$use_readline" in
no) ;;
*)
saved_LIBS="$LIBS"
case "$use_readline" in
yes|auto) try_readline="-ledit"; or_readline="-lreadline" ;;
*) try_readline="$use_readline"
esac
for readline in "$try_readline" $or_readline
do
LIBS="$readline"
AC_MSG_NOTICE(checking for readline with $readline)
AC_CHECK_FUNCS(readline)
if test "yes" = "$ac_cv_func_readline"
then
READLINE_LIB="$readline"
break
fi
for lib in -lterminfo -ltermcap -lncurses -lcurses
do
AC_MSG_NOTICE(checking for readline with $readline $lib)
unset ac_cv_func_readline
LIBS="$readline $lib"
AC_CHECK_FUNCS(readline)
if test "yes" = "$ac_cv_func_readline"
then
READLINE_LIB="$readline $lib"
break
fi
done
if test "yes" = "$ac_cv_func_readline"
then
break
fi
done
if test "auto" != "$use_readline" &&
test "X$READLINE_LIB" = "X"
then
AC_MSG_ERROR([The readline library was not found.])
fi
LIBS="$saved_LIBS"
;;
esac
if test "yes" = "$ac_cv_func_readline"
then
case "$READLINE_LIB" in
*edit*)
AC_CHECK_HEADERS(editline/readline.h)
AC_CHECK_HEADERS(edit/readline/readline.h)
AC_CHECK_HEADERS(edit/readline/history.h)
;;
esac
AC_CHECK_HEADERS(readline/readline.h)
AC_CHECK_HEADERS(readline/history.h)
fi
#
# Security Stuff
#
# Note it is very recommended to *not* disable chroot(),
# this is only because chroot() was made obsolete by Posix.
AC_ARG_ENABLE(chroot, AS_HELP_STRING([--disable-chroot], [disable chroot]))
case "$enable_chroot" in
yes|'')
AC_CHECK_FUNCS(chroot)
;;
no)
;;
esac
LIBCAP_LIBS=""
AC_MSG_CHECKING([whether to enable Linux capabilities])
AC_ARG_ENABLE([linux-caps],
[AS_HELP_STRING([--disable-linux-caps],
[disable Linux capabilities])],
[],
[AS_CASE([$host],
[*-linux*],[enable_linux_caps=yes],
[enable_linux_caps=no])])
AS_IF([test "$enable_linux_caps" = "yes"],
[AC_MSG_RESULT([yes])
AC_CHECK_HEADERS([sys/capability.h],
[],
[AC_MSG_ERROR(m4_normalize([sys/capability.h header is required for Linux capabilities support.
Either install libcap or use --disable-linux-caps.]))])
AX_SAVE_FLAGS([cap])
AC_SEARCH_LIBS([cap_set_proc], [cap],
[LIBCAP_LIBS="$ac_cv_search_cap_set_proc"],
[AC_MSG_ERROR(m4_normalize([libcap is required for Linux capabilities support.
Either install libcap or use --disable-linux-caps.]))])
AX_RESTORE_FLAGS([cap])],
[AC_MSG_RESULT([no])])
AC_SUBST([LIBCAP_LIBS])
case "$host" in
*-solaris*)
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_FUNCS([tzset])
AC_MSG_CHECKING(for optarg declaration)
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.])])
#
# Check for nanoseconds in file stats
#
AC_MSG_CHECKING([for st_mtim.tv_nsec])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <sys/fcntl.h>]],
[[struct stat s;
return(s.st_mtim.tv_nsec);
]])],
[AC_DEFINE([HAVE_STAT_NSEC], [1], [define if struct stat has st_mtim.tv_nsec field])])
#
# Check for if_nametoindex() for IPv6 scoped addresses support
#
AC_CHECK_FUNCS([if_nametoindex])
AC_CHECK_FUNCS(nanosleep usleep explicit_bzero)
ISC_ATOMIC_LIBS=""
AC_CHECK_HEADERS(
[stdatomic.h],
[AC_MSG_CHECKING([for memory model aware atomic operations])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdatomic.h>]],
[[atomic_int_fast32_t val = 0; atomic_fetch_add_explicit(&val, 1, memory_order_relaxed);]]
)],
[AC_MSG_RESULT([stdatomic.h])
AC_MSG_CHECKING([whether -latomic is needed for 64-bit stdatomic.h functions])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdatomic.h>]],
[[atomic_int_fast64_t val = 0; atomic_fetch_add_explicit(&val, 1, memory_order_relaxed);]]
)],
[AC_MSG_RESULT([no])],
[ISC_ATOMIC_LIBS="-latomic"
AX_SAVE_FLAGS([atomic])
LIBS="$LIBS $ISC_ATOMIC_LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <stdatomic.h>]],
[[atomic_int_fast64_t val = 0; atomic_fetch_add_explicit(&val, 1, memory_order_relaxed);]]
)],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([libatomic needed, but linking with -latomic failed, please fix your toolchain.])])
AX_RESTORE_FLAGS([atomic])
])
],
[AC_MSG_FAILURE([stdatomic.h header found, but compilation failed, please fix your toolchain.])]
)],
[AC_MSG_CHECKING([for memory model aware atomic operations])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <inttypes.h>]],
[[int32_t val = 0; __atomic_fetch_add(&val, 1, __ATOMIC_RELAXED);]]
)],
[AC_MSG_RESULT([__atomic builtins])
AC_DEFINE([HAVE___ATOMIC], [1], [define if __atomic builtins are not available])
AC_MSG_CHECKING([whether -latomic is needed for 64-bit __atomic builtins])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <inttypes.h>]],
[[int64_t val = 0; __atomic_fetch_add(&val, 1, __ATOMIC_RELAXED);]]
)],
[AC_MSG_RESULT([no])],
[ISC_ATOMIC_LIBS="-latomic"
AX_SAVE_FLAGS([atomic])
LIBS="$LIBS $ISC_ATOMIC_LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include <inttypes.h>]],
[[int64_t val = 0; __atomic_fetch_add(&val, 1, __ATOMIC_RELAXED);]]
)],
[AC_MSG_RESULT([yes])],
[AC_MSG_FAILURE([libatomic needed, but linking with -latomic failed, please fix your toolchain.])])
AX_RESTORE_FLAGS([atomic])
])
],
[AC_MSG_RESULT([__sync builtins])
])
])
LIBS="$LIBS $ISC_ATOMIC_LIBS"
AC_CHECK_HEADERS([stdalign.h])
AC_CHECK_HEADERS([uchar.h])
#
# Check for __builtin_unreachable
#
AC_MSG_CHECKING([compiler support for __builtin_unreachable()])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[]],
[[__builtin_unreachable();]]
)],
[AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_BUILTIN_UNREACHABLE], [1], [define if the compiler supports __builtin_unreachable().])
],
[AC_MSG_RESULT([no])
])
#
# Check for __builtin_expect
#
AC_MSG_CHECKING([compiler support for __builtin_expect])
AC_TRY_LINK(, [
return (__builtin_expect(1, 1) ? 1 : 0);
], [
have_builtin_expect=yes
AC_MSG_RESULT(yes)
], [
have_builtin_expect=no
AC_MSG_RESULT(no)
])
if test "yes" = "$have_builtin_expect"; then
AC_DEFINE(HAVE_BUILTIN_EXPECT, 1, [Define to 1 if the compiler supports __builtin_expect.])
fi
#
# Check for __builtin_clz
#
AC_MSG_CHECKING([compiler support for __builtin_clz])
AC_TRY_LINK(, [
return (__builtin_clz(0xff) == 24 ? 1 : 0);
], [
have_builtin_clz=yes
AC_MSG_RESULT(yes)
], [
have_builtin_clz=no
AC_MSG_RESULT(no)
])
if test "yes" = "$have_builtin_clz"; then
AC_DEFINE(HAVE_BUILTIN_CLZ, 1, [Define to 1 if the compiler supports __builtin_clz.])
fi
#
# Activate "rrset-order fixed" or not?
#
AC_ARG_ENABLE([fixed-rrset],
[AS_HELP_STRING([--enable-fixed-rrset],
[enable fixed rrset ordering [default=no]])],
[], [enable_fixed_rrset="no"])
AS_IF([test "$enable_fixed_rrset" = "yes"],
[AC_DEFINE([DNS_RDATASET_FIXED], [1],
[Define to enable "rrset-order fixed" syntax.])])
#
# Activate dnstap?
#
AC_ARG_ENABLE([dnstap],
[AS_HELP_STRING([--enable-dnstap],
[enable dnstap support
(requires fstrm, protobuf-c)])],
[], [enable_dnstap=no])
AS_IF([test "$enable_dnstap" != "no"],
[PKG_CHECK_MODULES([DNSTAP], [libfstrm libprotobuf-c], [],
[AC_MSG_FAILURE([Required libraries (fstrm, protobuf-c) were not found, please install them.])])
AC_PATH_PROG([FSTRM_CAPTURE], [fstrm_capture])
AC_PATH_PROG([PROTOC_C], [protoc-c])
AS_IF([test -z "$PROTOC_C"],
[AC_MSG_ERROR([protoc-c compiler not found])])
AC_DEFINE([HAVE_DNSTAP], 1, [Define to 1 to enable dnstap support])
])
AC_SUBST([DNSTAP_CFLAGS])
AC_SUBST([DNSTAP_LIBS])
AM_CONDITIONAL([HAVE_DNSTAP], [test "$enable_dnstap" != "no"])
#
# The following sections deal with tools used for formatting
# the documentation. They are all optional, unless you are
# a developer editing the documentation source.
#
#
# Look for sphinx-build
#
AC_ARG_VAR([SPHINX_BUILD], [path to sphinx-build binary used to build the documentation])
AC_PATH_PROG([SPHINX_BUILD], [sphinx-build], [:])
AM_CONDITIONAL([HAVE_SPHINX_BUILD], [test "$SPHINX_BUILD" != ":"])
AC_PATH_PROG([XELATEX], [xelatex], [:])
AC_PATH_PROG([LATEXMK], [latexmk], [:])
AM_CONDITIONAL([HAVE_XELATEX], [test "$XELATEX" != ":" && test "$LATEXMK" != ":"])
#
# Pull release date from CHANGES file last modification date
# for reproducible builds
#
release_date=`date -r CHANGES +%Y-%m-%d`
AC_SUBST([RELEASE_DATE], $release_date)
#
# Look for Doxygen
#
AC_PATH_PROGS([DOXYGEN], [doxygen])
AC_CONFIG_FILES([doc/doxygen/doxygen-input-filter],
[chmod +x doc/doxygen/doxygen-input-filter])
#
# Look for curl
#
AC_PATH_PROG(CURL, curl, curl)
AC_SUBST(CURL)
#
# IDN support using libidn2
#
LIBIDN2_CFLAGS=
LIBIDN2_LDFLAGS=
LIBIDN2_LIBS=
AC_ARG_WITH([libidn2],
[AS_HELP_STRING([--with-libidn2[=PATH]], [enable IDN support using GNU libidn2 [yes|no(default)|path]])],
[with_libidn2="$withval"], [with_libidn2="no"])
AS_CASE([$with_libidn2],
[yes], [PKG_CHECK_MODULES([LIBIDN2], [libidn2],
[AC_DEFINE([HAVE_LIBIDN2], [1], [Define if libidn2 was found])])],
[no], [],
[*], [AX_SAVE_FLAGS([libidn2])
LIBIDN2_CFLAGS="-I$with_libidn2/include"
LIBIDN2_LDFLAGS="-L$with_libidn2/lib"
CFLAGS="$LIBIDN2_CFLAGS $CFLAGS"
CPPFLAGS="$LIBIDN2_CFLAGS $CPPFLAGS"
LDFLAGS="$LIBIDN2_LDFLAGS $LDFLAGS"
AC_CHECK_HEADERS([idn2.h],
[],
[AC_MSG_ERROR([idn2.h not found])])
AC_SEARCH_LIBS([idn2_to_ascii_lz], [idn2],
[LIBIDN2_LIBS="$ac_cv_search_idn2_to_ascii_lz"
AC_DEFINE([HAVE_LIBIDN2], [1], [Define if libidn2 was found])],
[AC_MSG_ERROR([libidn2 requested, but not found])])
AX_RESTORE_FLAGS([libidn2])])
AC_SUBST([LIBIDN2_CFLAGS])
AC_SUBST([LIBIDN2_LDFLAGS])
AC_SUBST([LIBIDN2_LIBS])
#
# Check whether to build with cmocka unit testing framework
#
AC_ARG_WITH([cmocka],
[AS_HELP_STRING([--with-cmocka=detect],[enable CMocka based tests (default is detect)])],
[],[with_cmocka=detect])
AS_CASE([$with_cmocka],
[no],[],
[detect],[PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.0.0],
[AC_DEFINE([HAVE_CMOCKA], [1], [Use CMocka])
with_cmocka=yes],[with_cmocka=no])],
[yes],[PKG_CHECK_MODULES([CMOCKA], [cmocka >= 1.0.0],
[AC_DEFINE([HAVE_CMOCKA], [1], [Use CMocka])])],
[AC_MSG_ERROR([Use PKG_CONFIG_PATH to specify path to CMocka library])]
)
AC_SUBST([CMOCKA_CFLAGS])
AC_SUBST([CMOCKA_LIBS])
AM_CONDITIONAL([HAVE_CMOCKA], [test "$with_cmocka" = "yes"])
#
# Check for -Wl,--wrap= support
#
LD_WRAP_TESTS=false
AC_MSG_CHECKING([for linker support for --wrap option])
AX_SAVE_FLAGS([wrap])
LDFLAGS="-Wl,-wrap,exit"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([[#include <stdlib.h>
void __real_exit (int status);
void __wrap_exit (int status) { __real_exit (status); }
]],
[[exit (1);]])],
[LD_WRAP_TESTS=true
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AX_RESTORE_FLAGS([wrap])
AM_CONDITIONAL([HAVE_LD_WRAP], [test "$LD_WRAP_TESTS" = "true"])
WRAP_INTERPOSE=
AC_MSG_CHECKING([for linker support for '-z interpose' option])
AX_SAVE_FLAGS([interpose])
LDFLAGS="-Wl,-z,interpose"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([],[])],
[WRAP_INTERPOSE="-Wl,-z,interpose"
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AX_RESTORE_FLAGS([interpose])
AC_SUBST([WRAP_INTERPOSE])
WRAP_NAME=''
AS_CASE([$host],[*-darwin*],[WRAP_NAME='${WRAP_NAME}'])
AC_SUBST([WRAP_NAME])
#
# Check for i18n
#
AC_CHECK_HEADERS(locale.h)
AC_CHECK_FUNCS(setlocale)
#
# was --with-tuning specified?
#
AC_ARG_WITH([tuning],
AS_HELP_STRING([--with-tuning=ARG],
[Specify server tuning (default or small)]),
[],[with_tuning=no])
AS_CASE([$with_tuning],
[small],[AC_MSG_NOTICE(using small system tuning)],
[AC_DEFINE(TUNE_LARGE, 1, [Define to use default system tuning.])
AC_MSG_NOTICE(using default system tuning)])
#
# was --enable-querytrace or --enable-singletrace specified?
#
AC_ARG_ENABLE([singletrace],
AS_HELP_STRING([--enable-singletrace],
[enable single-query trace logging
[default=no]]),
enable_singletrace="$enableval", enable_singletrace="no")
AC_MSG_CHECKING([whether to enable single-query trace logging])
case "$enable_singletrace" in
yes)
enable_querytrace=yes
AC_MSG_RESULT(yes)
AC_DEFINE(WANT_SINGLETRACE, 1, [Define to enable single-query tracing.])
;;
no)
AC_MSG_RESULT(no)
;;
*)
AC_MSG_ERROR("--enable-singletrace requires yes or no")
;;
esac
AC_ARG_ENABLE(querytrace,
AS_HELP_STRING([--enable-querytrace],
[enable very verbose query trace logging
[default=no]]),
enable_querytrace="$enableval",
enable_querytrace="$enable_singletrace")
AC_MSG_CHECKING([whether to enable query trace logging])
case "$enable_querytrace" in
yes)
AC_MSG_RESULT(yes)
AC_DEFINE(WANT_QUERYTRACE, 1, [Define to enable very verbose query trace logging.])
;;
no)
AS_IF([test "$enable_singletrace" = "yes"],
[AC_MSG_ERROR([--enable-singletrace requires --enable-querytrace])])
AC_MSG_RESULT(no)
;;
*)
AC_MSG_ERROR("--enable-querytrace requires yes or no (not $enable_querytrace)")
;;
esac
#
# Was --disable-auto-validation specified?
#
validation_default=auto
AC_ARG_ENABLE(auto-validation,
AS_HELP_STRING([--enable-auto-validation],
[turn on DNSSEC validation by default, using the IANA root key [default=yes]]),
[:],[enable_auto_validation=yes])
AS_IF([test "$enable_auto_validation" = "no"],[validation_default=yes])
AC_DEFINE_UNQUOTED([VALIDATION_DEFAULT], ["$validation_default"], [the default value of dnssec-validation option])
#
# Configure any DLZ drivers.
#
# If config.dlz.in selects one or more DLZ drivers, it will set
# CONTRIB_DLZ to a non-empty value, which will be our clue to
# build DLZ drivers in contrib.
#
# This section has to come after the libtool stuff because it needs to
# know how to name the driver object files.
#
CONTRIB_DLZ=""
DLZ_DRIVER_INCLUDES=""
DLZ_DRIVER_LIBS=""
DLZ_DRIVER_SRCS=""
DLZ_DRIVER_OBJS=""
DLZ_SYSTEM_TEST=""
DLZ_DRIVER_MYSQL_INCLUDES=""
DLZ_DRIVER_MYSQL_LIBS=""
#
#
# Response policy rewriting using DNS Response Policy Service (DNSRPS)
# interface.
#
# DNSRPS can be compiled into BIND everywhere with a reasonably
# modern C compiler. It is enabled on systems with dlopen() and librpz.so.
#
dnsrps_avail=yes
AC_MSG_CHECKING([for librpz __attribute__s])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[]],
[[
extern void f(char *p __attribute__((unused)), ...)
__attribute__((format(printf,1,2))) __attribute__((__noreturn__));
]])],
[
librpz_have_attr=yes
AC_DEFINE([LIBRPZ_HAVE_ATTR], [1], [have __attribute__s used in librpz.h])
AC_MSG_RESULT([yes])
],[
librpz_have_attr=no
AC_MSG_RESULT([no])
])
AC_ARG_ENABLE([dnsrps-dl],
[AS_HELP_STRING([--enable-dnsrps-dl],
[DNS Response Policy Service delayed link
[default=$librpz_dl]])],
[enable_librpz_dl="$enableval"], [enable_librpz_dl="$with_dlopen"])
AS_IF([test "$enable_librpz_dl" = "yes" -a "$with_dlopen" = "no"],
[AC_MSG_ERROR([DNS Response Policy Service delayed link requires dlopen to be enabled])])
AC_ARG_WITH([dnsrps-libname],
[AS_HELP_STRING([--with-dnsrps-libname],
[DNSRPS provider library name (librpz.so)])],
[librpz_name="$withval"], [librpz_name="librpz.so"])
AC_ARG_WITH([dnsrps-dir],
[AS_HELP_STRING([--with-dnsrps-dir],
[path to DNSRPS provider library])],
[librpz_path="$withval/$librpz_name"], [librpz_path="$librpz_name"])
AC_DEFINE_UNQUOTED([DNSRPS_LIBRPZ_PATH], ["$librpz_path"],
[dnsrps $librpz_name])
AS_IF([test "$enable_librpz_dl" = "yes"],
[
dnsrps_lib_open=2
],[
dnsrps_lib_open=1
# Add librpz.so to linked libraries if we are not using dlopen()
AC_SEARCH_LIBS([librpz_client_create], [rpz], [],
[dnsrps_lib_open=0
dnsrps_avail=no])
])
AC_DEFINE_UNQUOTED([DNSRPS_LIB_OPEN], [$dnsrps_lib_open],
[0=no DNSRPS 1=static link 2=dlopen()])
AC_ARG_ENABLE([dnsrps],
AS_HELP_STRING([--enable-dnsrps],
[enable DNS Response Policy Service API]),
[enable_dnsrps=$enableval], [enable_dnsrps=no])
AS_IF([test "$enable_dnsrps" != "no"],[
AS_IF([test "$dnsrps_avail" != "yes"],
[AC_MSG_ERROR([dlopen and librpz.so needed for DNSRPS])])
AS_IF([test "$dnsrps_lib_open" = "0"],
[AC_MSG_ERROR([dlopen and librpz.so needed for DNSRPS])])
AC_DEFINE([USE_DNSRPS], [1], [Enable DNS Response Policy Service API])
])
# FIXME BEGIN
#sinclude(contrib/dlz/config.dlz.in)
# AC_MSG_CHECKING(contributed DLZ drivers)
#
# if test -n "$CONTRIB_DLZ"
# then
# AC_MSG_RESULT(yes)
# DLZ_DRIVER_RULES=contrib/dlz/drivers/rules
# AC_CONFIG_FILES([$DLZ_DRIVER_RULES
# contrib/dlz/modules/mysql/Makefile
# contrib/dlz/modules/mysqldyn/Makefile])
# else
# AC_MSG_RESULT(no)
# DLZ_DRIVER_RULES=/dev/null
# fi
#
# AC_SUBST(CONTRIB_DLZ)
# AC_SUBST(DLZ_DRIVER_INCLUDES)
# AC_SUBST(DLZ_DRIVER_LIBS)
# AC_SUBST(DLZ_DRIVER_SRCS)
# AC_SUBST(DLZ_DRIVER_OBJS)
# AC_SUBST(DLZ_SYSTEM_TEST)
# AC_SUBST(DLZ_DRIVER_MYSQL_INCLUDES)
# AC_SUBST(DLZ_DRIVER_MYSQL_LIBS)
# AC_SUBST_FILE(DLZ_DRIVER_RULES)
# this ensures the configure summary report comes out right
test -z "$with_dlz_bdb" && with_dlz_bdb=no
test -z "$with_dlz_ldap" && with_dlz_ldap=no
test -z "$with_dlz_mysql" && with_dlz_mysql=no
test -z "$with_dlz_odbc" && with_dlz_odbc=no
test -z "$with_dlz_postgres" && with_dlz_postgres=no
test -z "$with_dlz_filesystem" && with_dlz_filesystem=no
test -z "$with_dlz_stub" && with_dlz_stub=no
# FIXME END
AC_CHECK_HEADERS([glob.h])
#
# Files to configure. These are listed here because we used to
# specify them as arguments to AC_OUTPUT.
#
# Top
AC_CONFIG_FILES([Makefile])
# Binaries
AC_CONFIG_FILES([bin/Makefile
bin/named/Makefile
bin/rndc/Makefile
bin/dig/Makefile
bin/delv/Makefile
bin/dnssec/Makefile
bin/tools/Makefile
bin/nsupdate/Makefile
bin/check/Makefile
bin/confgen/Makefile
bin/pkcs11/Makefile
bin/plugins/Makefile])
# Libraries
AC_CONFIG_FILES([lib/Makefile
lib/isc/Makefile
lib/dns/Makefile
lib/ns/Makefile
lib/irs/Makefile
lib/isccfg/Makefile
lib/isccc/Makefile
lib/bind9/Makefile
lib/samples/Makefile])
# Documentation
AC_CONFIG_FILES([doc/Makefile
doc/arm/Makefile
doc/man/Makefile
doc/misc/Makefile])
# Generated headers
AC_CONFIG_FILES([lib/isc/include/isc/platform.h])
# Unit Tests
AC_CONFIG_FILES([lib/isc/tests/Makefile
lib/dns/tests/Makefile
lib/ns/tests/Makefile
lib/irs/tests/Makefile
lib/isccc/tests/Makefile
lib/isccfg/tests/Makefile])
AC_CONFIG_FILES([lib/unit-test-driver.sh],
[chmod +x lib/unit-test-driver.sh])
# System Tests
AC_CONFIG_FILES([bin/tests/Makefile
bin/tests/system/Makefile
bin/tests/system/conf.sh
bin/tests/system/dyndb/driver/Makefile
bin/tests/system/dlzexternal/driver/Makefile])
AC_CONFIG_FILES([bin/tests/system/ifconfig.sh],
[chmod +x bin/tests/system/ifconfig.sh])
AC_CONFIG_FILES([bin/tests/system/run.sh],
[chmod +x bin/tests/system/run.sh])
AC_CONFIG_FILES([bin/tests/system/start.sh],
[chmod +x bin/tests/system/start.sh])
AC_CONFIG_FILES([bin/tests/system/stop.sh],
[chmod +x bin/tests/system/stop.sh])
# Misc
AC_CONFIG_FILES([util/check-make-install])
#
# Do it
#
AC_OUTPUT
AC_ARG_ENABLE(full-report,
AS_HELP_STRING([--enable-full-report],
[report values of all configure options]))
report() {
echo "==============================================================================="
echo "Configuration summary:"
echo "-------------------------------------------------------------------------------"
echo "Optional features enabled:"
if test "yes" = "$enable_full_report" -o "standard" = "$with_locktype"; then
echo " Mutex lock type: $with_locktype"
fi
test "small" = "$with_tuning" && echo " Small-system tuning (--with-tuning)"
test "no" = "$enable_dnstap" || \
echo " Allow 'dnstap' packet logging (--enable-dnstap)"
test -z "$MAXMINDDB_LIBS" || echo " GeoIP2 access control (--enable-geoip)"
test -z "$GSSAPI_LIBS" || echo " GSS-API (--with-gssapi)"
# these lines are only printed if run with --enable-full-report
if test "yes" = "$enable_full_report"; then
test -z "$PYTHON" || echo " Python tools (--with-python)"
test -z "$LIBXML2_LIBS" || echo " XML statistics (--with-libxml2)"
test -z "$JSON_C_LIBS" || echo " JSON statistics (--with-json-c): $JSON_C_CFLAGS $JSON_C_LIBS"
test -z "$ZLIB_LIBS" || echo " HTTP zlib compression (--with-zlib)"
test -z "$LMDB_LIBS" || echo " LMDB database to store configuration for 'addzone' zones (--with-lmdb)"
test -z "$LIBIDN2_LIBS" || echo " IDN support (--with-libidn2)"
fi
test "yes" = "$enable_dnsrps" && \
echo " DNS Response Policy Service interface (--enable-dnsrps)"
test "yes" = "$enable_fixed_rrset" && \
echo " Allow 'fixed' rrset-order (--enable-fixed-rrset)"
test "yes" = "$enable_querytrace" && \
echo " Very verbose query trace logging (--enable-querytrace)"
test "yes" = "$enable_singletrace" && \
echo " Single-query trace logging (--enable-singletrace)"
test -z "$HAVE_CMOCKA" || echo " CMocka Unit Testing Framework (--with-cmocka)"
test "auto" = "$validation_default" && echo " DNSSEC validation active by default (--enable-auto-validation)"
test "$CRYPTO" = "pkcs11" && (
echo " Using PKCS#11 for Public-Key Cryptography (--with-native-pkcs11)"
echo " PKCS#11 module (--with-pkcs11): $with_pkcs11"
)
echo " Dynamically loadable zone (DLZ) drivers:"
test "no" = "$with_dlz_bdb" || \
echo " Berkeley DB (--with-dlz-bdb)"
test "no" = "$with_dlz_ldap" || \
echo " LDAP (--with-dlz-ldap)"
test "no" = "$with_dlz_mysql" || \
echo " MySQL (--with-dlz-mysql)"
test "no" = "$with_dlz_odbc" || \
echo " ODBC (--with-dlz-odbc)"
test "no" = "$with_dlz_postgres" || \
echo " Postgres (--with-dlz-postgres)"
test "no" = "$with_dlz_filesystem" || \
echo " Filesystem (--with-dlz-filesystem)"
test "no" = "$with_dlz_stub" || \
echo " Stub (--with-dlz-stub)"
test "$with_dlz_bdb $with_dlz_ldap $with_dlz_mysql $with_dlz_odbc $with_dlz_postgres $with_dlz_filesystem $with_dlz_stub" = "no no no no no no no" && \
echo " None"
echo "-------------------------------------------------------------------------------"
echo "Features disabled or unavailable on this platform:"
test "small" = "$with_tuning" || echo " Small-system tuning (--with-tuning)"
test "no" = "$enable_dnstap" && \
echo " Allow 'dnstap' packet logging (--enable-dnstap)"
test -z "$MAXMINDDB_LIBS" && echo " GeoIP2 access control (--enable-geoip)"
test -z "$GSSAPI_LIBS" && echo " GSS-API (--with-gssapi)"
test "no" = "$enable_dnsrps" && \
echo " DNS Response Policy Service interface (--enable-dnsrps)"
test "yes" = "$enable_fixed_rrset" || \
echo " Allow 'fixed' rrset-order (--enable-fixed-rrset)"
test "yes" = "$validation_default" && echo " DNSSEC validation requires configuration (--enable-auto-validation)"
test "$CRYPTO" = "pkcs11" || (
echo " Using PKCS#11 for Public-Key Cryptography (--with-native-pkcs11)"
)
test "yes" = "$enable_querytrace" || \
echo " Very verbose query trace logging (--enable-querytrace)"
test "yes" = "$enable_singletrace" || \
echo " Single-query trace logging (--enable-singletrace)"
test "no" = "$with_cmocka" && echo " CMocka Unit Testing Framework (--with-cmocka)"
test -z "$PYTHON" && echo " Python tools (--with-python)"
test -z "$LIBXML2_LIBS" && echo " XML statistics (--with-libxml2)"
test -z "$JSON_C_LIBS" && echo " JSON statistics (--with-json-c)"
test -z "$ZLIB_LIBS" && echo " HTTP zlib compression (--with-zlib)"
test -z "$LMDB_LIBS" && echo " LMDB database to store configuration for 'addzone' zones (--with-lmdb)"
test -z "$LIBIDN2_LIBS" && echo " IDN support (--with-libidn2)"
echo "-------------------------------------------------------------------------------"
echo "Configured paths:"
echo " prefix: $prefix"
echo " sysconfdir: $sysconfdir"
echo " localstatedir: $localstatedir"
echo "-------------------------------------------------------------------------------"
echo "Compiler: $CC"
$CC --version 2>&1 | sed 's/^/ /'
echo "CFLAGS: $STD_CFLAGS $CFLAGS"
echo "CPPFLAGS: $STD_CPPFLAGS $CPPFLAGS"
echo "LDFLAGS: $LDFLAGS"
if test "X$ac_unrecognized_opts" != "X"; then
echo "-------------------------------------------------------------------------------"
echo "Unrecognized options:"
echo " $ac_unrecognized_opts"
fi
if test "yes" != "$enable_full_report"; then
echo "-------------------------------------------------------------------------------"
echo "For more detail, use --enable-full-report."
fi
echo "==============================================================================="
}
if test "yes" != "$silent"; then
report
fi
# Tell Emacs to edit this file in shell mode.
# Local Variables:
# mode: sh
# End:
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