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configure.ac
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# Process this file with autoconf to produce a configure script.
AC_INIT
VERSION=$(grep VERSION_MAJOR version.h | cut -d'"' -f 2)-$(grep VERSION_MINOR version.h | cut -d'"' -f 2)-$(grep VERSION_TINY version.h | cut -d'"' -f 2)-$(git rev-parse --short HEAD 2>/dev/null || echo 'non-git-release')
AC_SUBST(VERSION)
#m4_include([m4/acx_pthread.m4])
#m4_include([m4/ax_cxx_compile_stdcxx.m4])
#m4_include([m4/ax_cxx_compile_stdcxx_11.m4])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([kismet.h])
AC_PREREQ([2.71])
# Check for host type
AC_CANONICAL_HOST
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_CPP
AC_LANG([C++])
BUILD_CAPTURE_LINUX_WIFI=0
BUILD_CAPTURE_LINUX_BLUETOOTH=0
BUILD_CAPTURE_OPENBSD_WIFI=0
BUILD_CAPTURE_PCAPFILE=0
BUILD_CAPTURE_KISMETDB=1
BUILD_CAPTURE_HACKRF_SWEEP=0
BUILD_CAPTURE_OSX_COREWLAN=0
BUILD_CAPTURE_NRF_MOUSEJACK=0
BUILD_CAPTURE_TI_CC_2540=0
BUILD_CAPTURE_TI_CC_2531=0
BUILD_CAPTURE_UBERTOOTH_ONE=0
BUILD_CAPTURE_SDR_RTL433V2=0
BUILD_CAPTURE_SDR_RTLADSBV2=0
BUILD_CATPURE_FREAKLABS_ZIGBEEV2=1
BUILD_CAPTURE_NRF_51822=0
BUILD_CAPTURE_NXP_KW41Z=0
BUILD_CAPTURE_RZ_KILLERBEE=0
BUILD_CAPTURE_BLADERF_WLAN=0
BUILD_CAPTURE_NRF_52840=0
BUILD_CAPTURE_HAK5_COCONUT=0
BUILD_CAPTURE_USB_RADIACODE=0
BUILD_CAPTURE_ANTSDR_DRONEID=1
# deprecated
BUILD_CAPTURE_SDR_RTL433=0
BUILD_CAPTURE_SDR_RTLAMR=0
BUILD_CAPTURE_SDR_RTLADSB=0
BUILD_CAPTURE_BT_GEIGER=0
BUILD_CAPTURE_FREAKLABS_ZIGBEE=0
BUILD_CAPTURE_PROXY_ADSB=0
DATASOURCE_BINS="\$(CAPTURE_KISMETDB)"
BUILD_PYTHON_MODULES=0
# Liberated from ethereal's configure.in
#
# Add any platform-specific compiler flags needed.
#
AC_MSG_CHECKING(for platform-specific compiler flags)
if test "x$GCC" = x
then
#
# Not GCC - assume it's the vendor's compiler.
#
case "$host_os" in
darwin10*)
# Snow leopard and newer, no -bundle in plugins
CFLAGS="-no-cpp-precomp $CFLAGS"
LDFLAGS="$LDFLAGS -framework Foundation -framework CoreFoundation -F/System/Library/PrivateFrameworks -framework Apple80211 -framework IOKit"
PLUGINLDFLAGS="-flat_namespace -undefined suppress"
AC_MSG_RESULT(Apple OSX Snow Leopard or newer)
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX/Darwin)
darwin="yes"
;;
darwin*)
#
# It may be called "cc", but it's really a GCC derivative
# with a problematic special precompiler and precompiled
# headers; turn off the special precompiler, as some
# apparently-legal code won't compile with its precompiled
# headers.
#
CFLAGS="-no-cpp-precomp $CFLAGS"
LDFLAGS="$LDFLAGS -framework Foundation -framework CoreFoundation -F/System/Library/PrivateFrameworks -framework Apple80211 -framework IOKit"
PLUGINLDFLAGS="-bundle -flat_namespace -undefined suppress"
AC_MSG_RESULT(Apple GCC - added Apple80211 frameworks and no-precomp)
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX/Darwin)
darwin="yes"
;;
linux*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_LINUX, 1, Compiling for Linux OS)
linux="yes"
;;
freebsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_FREEBSD, 1, Compiling for FreeBSD)
bsd="yes"
;;
openbsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_OPENBSD, 1, Compiling for OpenBSD)
openbsd="yes"
bsd="yes"
;;
netbsd*)
AC_MSG_RESULT(adding pkgsrc locations)
CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
AC_DEFINE(SYS_NETBSD, 1, Compiling for NetBSD)
bsd="yes"
;;
*)
AC_MSG_RESULT(none needed)
;;
esac
else
case "$host_os" in
darwin10*)
# Snow leopard and newer, no -bundle in plugins
CFLAGS="-no-cpp-precomp $CFLAGS"
LDFLAGS="$LDFLAGS -framework Foundation -framework CoreFoundation -F/System/Library/PrivateFrameworks -framework Apple80211 -framework IOKit"
PLUGINLDFLAGS="-flat_namespace -undefined suppress"
AC_MSG_RESULT(Apple OSX Snow Leopard or newer)
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX/Darwin)
darwin="yes"
;;
darwin*)
#
# See comments above about Apple's lovely C compiler.
#
CFLAGS="-no-cpp-precomp $CFLAGS"
LDFLAGS="$LDFLAGS -framework Foundation -framework CoreFoundation -F/System/Library/PrivateFrameworks -framework Apple80211 -framework IOKit"
PLUGINLDFLAGS="-bundle -flat_namespace -undefined suppress"
AC_MSG_RESULT(Apple GCC - added Apple80211 frameworks and no-precomp)
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX/Darwin)
darwin="yes"
;;
linux*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_LINUX, 1, Compiling for Linux OS)
linux="yes"
;;
freebsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_FREEBSD, 1, Compiling for FreeBSD)
bsd="yes"
;;
openbsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_OPENBSD, 1, Compiling for OpenBSD)
openbsd="yes"
bsd="yes"
;;
netbsd*)
AC_MSG_RESULT(adding pkgsrc locations)
CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
AC_DEFINE(SYS_NETBSD, 1, Compiling for NetBSD)
bsd="yes"
;;
*)
AC_MSG_RESULT(none needed)
;;
esac
# Get the GCC version
AX_GCC_VERSION
GCC_MAJOR=$(echo $GCC_VERSION | cut -s -d'.' -f1)
GCC_MINOR=$(echo $GCC_VERSION | cut -s -d'.' -f2)
GCC_PATCH=$(echo $GCC_VERSION | cut -s -d'.' -f3)
if test "$GCC_MAJOR"x = x; then
GCC_MAJOR=$GCC_VERSION
fi
if test "$GCC_MINOR"x = x; then
GCC_MINOR=0
fi
if test "$GCC_PATCH"x = x; then
GCC_PATCH=0
fi
AC_DEFINE_UNQUOTED(GCC_VERSION_MAJOR, $GCC_MAJOR, [gcc version])
AC_DEFINE_UNQUOTED(GCC_VERSION_MINOR, $GCC_MINOR, [gcc version])
AC_DEFINE_UNQUOTED(GCC_VERSION_PATCH, $GCC_PATCH, [gcc version])
fi
# Start at the newest C++ and define our way back
AX_CXX_COMPILE_STDCXX(20, , [optional])
if test "$HAVE_CXX20" = "1"; then
AC_DEFINE(HAVE_CXX20, 1, [cpp20 available])
AC_DEFINE(HAVE_CXX17, 1, [cpp17 available])
AC_DEFINE(HAVE_CXX14, 1, [cpp14 available])
AC_DEFINE(HAVE_CXX11, 1, [cpp11 available])
else
AX_CXX_COMPILE_STDCXX(17, , [mandatory])
AC_DEFINE(HAVE_CXX17, 1, [cpp17 available])
AC_DEFINE(HAVE_CXX14, 1, [cpp14 available])
AC_DEFINE(HAVE_CXX11, 1, [cpp11 available])
# else
# AX_CXX_COMPILE_STDCXX(14, ,[mandatory])
# if test "$HAVE_CXX14" = "1"; then
# AC_DEFINE(HAVE_CXX14, 1, [cpp14 available])
# AC_DEFINE(HAVE_CXX11, 1, [cpp11 available])
# fi
fi
# GCC13/14 seem to have over-aggressive/known bad dangling reference detection.
# This gets SUPER noisy in libfmt.
AS_IF([test x"$GCC_MAJOR" = x"13" -o x"$GCC_MAJOR" = x"14"],
[
AC_MSG_WARN([setting -Wno-dangling-reference for gcc${GCC_MAJOR}])
CPPFLAGS="${CPPFLAGS} -Wno-dangling-reference"
],
[]
)
AC_SUBST(PLUGINLDFLAGS)
CXXFLAGS="$CXXFLAGS -O3"
CFLAGS="$CFLAGS -O3"
AC_CONFIG_SRCDIR([kismet_server.cc])
AC_CONFIG_HEADERS([config.h])
# Config location for code to default to
CONFFILE_DIR=$sysconfdir
CONFFILE_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$CONFFILE_DIR"
)`
AC_DEFINE_UNQUOTED(SYSCONF_LOC, "$CONFFILE_DIR", system config directory)
AC_SUBST(CONFFILE_DIR)
LOCALSTATE_DIR=$localstatedir
LOCALSTATE_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$LOCALSTATE_DIR"
)`
AC_DEFINE_UNQUOTED(LOCALSTATE_DIR, "$LOCALSTATE_DIR", system state directory)
AC_SUBST(LOCALSTATE_DIR)
BIN_DIR=$bindir
BIN_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$BIN_DIR"
)`
AC_DEFINE_UNQUOTED(BIN_LOC, "$BIN_DIR", system binary directory)
AC_SUBST(BIN_DIR)
LIB_DIR=$libdir
LIB_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$LIB_DIR"
)`
AC_DEFINE_UNQUOTED(LIB_LOC, "$LIB_DIR", system library directory)
AC_SUBST(LIB_DIR)
DATA_DIR=$datarootdir
DATA_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$DATA_DIR"
)`
AC_DEFINE_UNQUOTED(DATA_LOC, "$DATA_DIR", system data directory)
AC_SUBST(DATA_DIR)
BASE_DIR=`(
test "$prefix" = NONE && prefix=$ac_default_prefix
test "$exec_prefix" = NONE && exec_prefix=${prefix}
eval echo "$prefix"
)`
AC_SUBST(BASE_DIR)
# Check for endian
AC_C_BIGENDIAN
# Check for brew
want_homebrew=no
AC_ARG_ENABLE([homebrew],
AS_HELP_STRING([--enable-homebrew], [Automatically enable detecting libraries from homebrew on macOS]),
[case "${enableval}" in
yes) want_homebrew=yes ;;
*) want_homebrew=no ;;
esac],
[want_homebrew=no]
)
AS_IF([test x"$want_homebrew" != x"no"],
[
AC_MSG_CHECKING([for paths from homebrew])
AC_MSG_RESULT([ok])
LDFLAGS="-L`/opt/homebrew/bin/brew --prefix`/lib $LDFLAGS"
CPPFLAGS="-I`/opt/homebrew/bin/brew --prefix`/include -I`/opt/homebrew/bin/brew --prefix openssl`/include $CPPFLAGS"
SSL_DIRS=`/opt/homebrew/bin/brew --prefix openssl`
],
[]
)
# Enable thread debugging
AC_ARG_ENABLE([mutex-name-debug],
AS_HELP_STRING([--disable-mutex-name-debug], [Disable naming of mutexes to help in debugging, debugging will use slightly more RAM]),
[case "${enableval}" in
no) want_mutex_debugging=no ;;
*) AC_DEFINE(DEBUG_MUTEX_NAME, 1, Named mutex debugging) ;;
esac], [AC_DEFINE(DEBUG_MUTEX_NAME, 1, Named mutex debugging)])
# Configure for a remote-capture-only build
caponly=no
AC_ARG_ENABLE(capture-tools-only,
[ --enable-capture-tools-only Configure and build for capture tools and remote only],
[case "${enableval}" in
no) caponly=no ;;
*) caponly=yes ;;
esac],
[caponly=no]
)
AS_IF([test "$caponly"x = "no"x],
[
ALLTARGETS='$(STD_ALL)'
],
[
ALLTARGETS='$(DS_ONLY)'
]
)
AC_SUBST(ALLTARGETS)
want_te_typesafety=no
AC_ARG_ENABLE([element-typesafety],
AS_HELP_STRING([--enable-element-typesafety], [Enable runtime type safety debugging of the tracked element system]),
[case "${enableval}" in
no) want_te_typesafety=no ;;
*) want_te_typesafety=yes ;;
esac],
[want_te_typesafety=no]
)
AS_IF([test "x$want_te_typesafety" = "xyes"],
[
AC_DEFINE(TE_TYPE_SAFETY, 1, Enforce runtime type safety)
],
[
AC_DEFINE(TE_TYPE_SAFETY, 0, Do not enforce runtime type safety)
]
)
want_protobuf=no
AC_ARG_ENABLE([protobuf],
AS_HELP_STRING([--enable-protobuf], [Enable protobuf support for older remote datasources]),
[case "${enableval}" in
yes) want_protobuf=yes ;;
*) ;;
esac],
[]
)
PROTOBUF=protobuf
AC_ARG_ENABLE([protobuflite],
AS_HELP_STRING([--enable-protobuflite], [Force building with protobuf-lite instead of full protobuf]),
[case "${enableval}" in
yes) PROTOBUF=protobuf-lite ;;
*) ;;
esac],
[]
)
AS_IF([test "$want_protobuf"x = "yes"x -a "$caponly"x = "yes"x],
[
AC_MSG_WARN([protobufs disabled when only building capture tools])
want_protobuf=no
],
[]
)
want_python=no
AC_ARG_ENABLE([python-tools],
AS_HELP_STRING([--enable-python-tools], [Enable building (legacy) Python modules and Python-only data sources]),
[case "${enableval}" in
yes) want_python=yes ;;
*) want_python=no ;;
esac],
[want_python=no]
)
PYTHON=python3
PYTHON_VERSION=3
AC_ARG_WITH([python-interpreter],
AS_HELP_STRING([--with-python-interpreter=PATH], [Custom location of python interpreter if not in normal PATH]))
AS_IF([test "x$with_python_interpreter" != "x"],
[
PYTHON=$with_python_interpreter
],
[]
)
AC_SUBST(PYTHON)
AC_SUBST(PYTHON_VERSION)
# HAVE_LIBHACKRF=0
# HAVE_LIBFFTW3=0
# HAVE_HACKRF_H=0
# HAVE_FFTW3_H=0
# BUILD_CAPTURE_HACKRF_SWEEP=0
# HACKRF_MISSING_REASON="Missing required libhack/libfftw3 libraries"
#
# AC_CHECK_HEADERS([libhackrf/hackrf.h],
# HAVE_HACKRF_H=1,
# AC_MSG_WARN("Missing hackrf.h from libhackrf"))
# AC_CHECK_HEADERS([fftw3.h],
# HAVE_FFTW3_H=1,
# AC_MSG_WARN("Missing fftw3.h from libfftw"))
#
# if test "$HAVE_HACKRF_H" = 1; then
# AC_CHECK_LIB([hackrf], [hackrf_init],
# HAVE_LIBHACKRF=1,
# AC_MSG_WARN([libhackrf not available]))
# else
# HACKRF_MISSING_REASON="Missing libhackrf/hackrf.h"
# fi
#
# if test "$HAVE_FFTW3_H" = 1; then
# AC_CHECK_LIB([fftw3], [fftw_malloc],
# HAVE_LIBFFTW3=1,
# AC_MSG_WARN([libfftw3 not available]))
# else
# HACKRF_MISSING_REASON="missing libfftw3.h"
# fi
#
# if test "$HAVE_LIBHACKRF" = 1 && test "$HAVE_LIBFFTW3" = 1; then
# AC_LINK_IFELSE([AC_LANG_PROGRAM([[
# #include <libhackrf/hackrf.h>
# ]], [[
# int s = SAMPLES_PER_BLOCK;
# return 0;
# ]])],[hackrfsweep=1],[hackrfsweep=0])
# if test "$hackrfsweep" = 1; then
# AC_DEFINE(BUILD_CAPTURE_HACKRF_SWEEP, 1, Able to build hackrf sweep source)
# # BUILD_CAPTURE_HACKRF_SWEEP=1
# # DATASOURCE_BINS="$DATASOURCE_BINS \$(CAPTURE_HACKRF_SWEEP)"
# else
# AC_MSG_WARN([Old version of libhack does not contain sweep code])
# HACKRF_MISSING_REASON="old version of libhackrf found"
# fi
# else
# HACKRF_MISSING_REASON="missing libhackrf or libfftw3"
# fi
HAVE_LIBDW=0
HAVE_LIBBFD=0
# Allow disabling mutex timeout, use with caution
AC_ARG_ENABLE(debuglibs,
AS_HELP_STRING([--disable-debuglibs], [Disable libdw and bfd libs which aid in debugging]),
[case "${enableval}" in
no) wantdebuglibs=0 ;;
*) wantdebuglibs=1 ;;
esac],
[wantdebuglibs=1]
)
if test "$wantdebuglibs" = 1; then
AC_CHECK_LIB([dw], [dwarf_begin], HAVE_LIBDW=1)
AC_CHECK_LIB([bfd], [bfd_alloc], HAVE_LIBBFD=1)
if test "$HAVE_LIBDW" = 1; then
AC_CHECK_HEADERS([elfutils/libdw.h elfutils/libdwfl.h dwarf.h], DEF_BW_HAS_LIBDW=1)
fi
if test "$HAVE_LIBBFD" = 1; then
AC_CHECK_HEADERS([bfd.h], DEF_BW_HAS_BFD=1)
fi
DEF_BW_HAS_UNWIND=0
DEF_BW_HAS_BACKTRACE=0
BACKTRACE_OK=0
AC_CHECK_HEADERS([unwind.h], DEF_BW_HAS_UNWIND=1)
AC_CHECK_HEADERS([execinfo.h], DEF_BW_HAS_BACKTRACE=1)
if test "$DEF_BW_HAS_UNWIND" = 1; then
BACKTRACE_WARNING="yes - Full debug info available on crash, using unwind"
AC_DEFINE(BACKWARD_HAS_UNWIND, 1, unwind stack support)
AC_DEFINE(BACKWARD_HAS_BACKTRACE, 0, no backtrace stack support)
BACKTRACE_OK=1
elif test "$DEF_BW_HAS_BACKTRACE" = 1; then
BACKTRACE_WARNING="yes - Full debug info available on crash, using backtrace"
AC_DEFINE(BACKWARD_HAS_BACKTRACE, 1, backtrace stack support)
BACKTRACE_OK=1
else
BACKTRACE_OK=0
BACKTRACE_WARNING="no - Backtraces will not be available on crashes"
AC_DEFINE(DISABLE_BACKWARD, 1, cannot support backtrace dumping)
fi
if test "$BACKTRACE_OK" = 1; then
# Libdw is the best support
if test "$DEF_BW_HAS_LIBDW" = 1; then
AC_DEFINE(BACKWARD_HAS_DW, 1, libdl for stack printing)
LIBS="$LIBS -ldw"
elif test "$DEF_BW_HAS_BFD" = 1; then
AC_DEFINE(BACKWARD_HAS_BFD, 1, libbfd for stack printing)
LIBS="$LIBS -lbfd"
elif test "$DEF_BW_HAS_BACKTRACE" = 1; then
AC_DEFINE(BACKWARD_HAS_BACKTRACE_SYMBOL, 1, backtrace stack support)
BACKTRACE_WARNING="partial - Missing libdw or libbfd will not print full stacks on crash"
else
BACKTRACE_OK=0
BACKTRACE_WARNING="no - Backtraces will not be available on crashes"
AC_DEFINE(DISABLE_BACKWARD, 1, cannot support backtrace dumping)
fi
fi
else
BACKTRACE_WARNING="no - debug libraries disabled by configure"
AC_DEFINE(DISABLE_BACKWARD, 1, disabled by configure arguments)
fi
# Look for something to define standard int types
stdint=yes
AC_CHECK_HEADER([stdint.h],
AC_DEFINE(HAVE_STDINT_H, 1, stdint.h is present) stdint=yes,
stdint=no)
if test "$stdint" = "no"; then
inttypes=no
AC_CHECK_HEADER([inttypes.h],
AC_DEFINE(HAVE_INTTYPES_H, 1, inttypes.h is present) inttypes=yes,
inttypes=no)
fi
if test "$stdint" = "no"; then
if test "$inttypes" = "no"; then
AC_MSG_RESULT([failed])
AC_MSG_ERROR(could not find stdint.h or inttypes.h.)
fi
fi
# How do we do strerror?
AC_MSG_CHECKING([for strerror_r() return])
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <string.h>
], [
int r;
r = strerror_r(1, (char *) NULL, 0);
return 0;
])],[strerror_r_int=yes], [strerror_r_int=no])
if test "$strerror_r_int" = "yes"; then
AC_MSG_RESULT([int])
AC_DEFINE(STRERROR_R_T, [int], [strerror_r return type])
else
AC_MSG_RESULT([char *])
AC_DEFINE(STRERROR_R_T, [char *], [strerror_r return type])
fi
# How does accept() work on this system?
AC_MSG_CHECKING([for accept() addrlen type])
OCFL="$CFLAGS"
CFLAGS="-Werror $CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
]], [[
int s = 0;
struct sockaddr *addr = NULL;
socklen_t *addrlen = NULL;
accept(s, addr, addrlen);
return 0;
]])],[accept_socklen=yes],[accept_socklen=no])
if test "$accept_socklen" = "yes"; then
AC_MSG_RESULT([socklen_t])
AC_DEFINE(HAVE_SOCKLEN_T, 1, accept() takes type socklen_t for addrlen)
else
AC_MSG_RESULT([int])
fi
CFLAGS="$OCFL"
# Do we have pipe2?
AC_MSG_CHECKING([for pipe2])
OCFL="$CFLAGS"
CFLAGS="-Werror $CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <unistd.h>
]], [[
int fd[2], flags;
pipe2(fd, flags);
return 0;
]])],[have_pipe2=yes],[have_pipe2=no])
if test "$have_pipe2" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PIPE2, 1, System has pipe2)
else
AC_MSG_RESULT(NO)
fi
CFLAGS="$OCFL"
# Do we have large file support?
AC_SYS_LARGEFILE
# Do we need to use -ldl?
usedl=0
AC_CHECK_LIB([dl], [dlopen],
usedl=1,
AC_MSG_WARN([libdl doesn't seem to be needed on this system]))
if test "$usedl" = 1; then
LIBS="$LIBS -ldl"
CLIENTCLIBS="$CLIENTCLIBS -ldl"
fi
# We always need libz
AC_CHECK_LIB([z], [deflate],
usez=1,
AC_MSG_ERROR([libz is required and could not be found]))
LIBS="$LIBS -lz"
# Do we need -latomic
AC_MSG_CHECKING([for libatomic])
OLIBS="$LIBS"
LIBS="$LIBS -latomic"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
]],
[[
return 0;
]] )], [have_atomic=yes], [have_atomic=no])
if test "$have_atomic" = "yes"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
LIBS="$OLIBS"
fi
# We need threads
PTHREAD_CFLAGS="-pthread"
PTHREAD_LIBS="-lpthread"
AC_SUBST(PTHREAD_CFLAGS)
AC_SUBST(PTHREAD_LIBS)
AC_MSG_CHECKING([for pthread_mutex_timedlock])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <pthread.h>
]], [[
pthread_mutex_timedlock(NULL, NULL);
return 0;
]])], [have_timedlock=yes],
[have_timedlock=no])
if test "$have_timedlock" = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PTHREAD_TIMELOCK, [1], [have pthread timelock])
else
AC_MSG_RESULT([no])
fi
# Do we need libm for math functions?
AC_MSG_CHECKING([for libm math function in std libs])
OCFL="$CFLAGS"
CFLAGS="-Werror $CFLAGS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <math.h>
]], [[
double x;
pow(x, x);
return 0;
]])],[needlibm=no],[needlibm=yes])
CFLAGS="$OCFL"
if test "$needlibm" = "yes"; then
AC_MSG_RESULT([no])
# Do we need to use -lm?
AC_CHECK_LIB([m], [pow],
LIBS="$LIBS -lm",
AC_MSG_ERROR([libm is needed and is not available]))
else
AC_MSG_RESULT([yes])
LIBMLIB="-lm"
AC_SUBST(LIBMLIB)
fi
# Do we use libstdc++?
# We need to swap to the g++ compiler here
oCC="$CC"
CC="$CXX"
AC_CHECK_LIB([stdc++], [main],
foundcxxl="stdc++" CXXLIBS="$CXXLIBS -lstdc++")
AS_IF([test "$foundcxxl"x = "x" -a "$caponly"x != "yes"x],
[
AC_MSG_ERROR(No standard stdc++ libraries found.)
], []
)
CC="$oCC"
AC_SUBST(CXXLIBS)
# Does the compiler handle various std::foo namespaces properly?
oCC="$CC"
CC="$CXX"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <string>
#include <cstdio>
]], [[
char *foo;
std::snprintf(foo, 10, "x");
return 0;
]])],[],[AC_DEFINE(MISSING_STD_SNPRINTF, 1, we need to shim std snprintf)])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <string>
#include <cstdio>
#include <cmath>
]], [[
std::isnan(1.0f);
return 0;
]])],[],[AC_DEFINE(MISSING_STD_ISNAN, 1, we need to shim isnan)])
CC="$oCC"
AC_MSG_CHECKING([for group 'root'])
AS_IF([test "`grep -e ^root: /etc/group`" = ""],
[
AC_MSG_RESULT([no. Using 'wheel'])
instgrp="wheel"
],
[
AC_MSG_RESULT([yes])
instgrp="root"
]
)
AC_SUBST(instgrp)
# Check for process title manipulation stuff, from proftpd configure.in
AC_CHECK_FUNCS(setproctitle)
AC_CHECK_HEADERS(libutil.h)
AC_CHECK_LIB(util, setproctitle,
[AC_DEFINE(HAVE_SETPROCTITLE)
ac_cv_func_setproctitle="yes" ; LIBS="$LIBS -lutil"])
if test "$ac_cv_func_setproctitle" = "yes"; then
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_NONE)
else
pf_argv_set="no"
AC_CHECK_HEADERS(sys/pstat.h,have_pstat_h="yes",have_pstat_h="no")
if test "$have_pstat_h" = "yes"; then
AC_CHECK_FUNCS(pstat)
if test "$ac_cv_func_pstat" = "yes"; then
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_PSTAT, pstat argv type)
else
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_WRITEABLE, writeable argv type)
fi
pf_argv_set="yes"
fi
if test "$pf_argv_set" = "no"; then
AC_EGREP_HEADER([#define.*PS_STRINGS.*],sys/exec.h,
have_psstrings="yes",have_psstrings="no")
if test "$have_psstrings" = "yes"; then
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_PSSTRINGS)
pf_argv_set="yes"
fi
fi
if test "$pf_argv_set" = "no"; then
AC_CACHE_CHECK(whether __progname and __progname_full are available,
pf_cv_var_progname,
AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern char *__progname, *__progname_full;]], [[__progname = "foo"; __progname_full = "foo bar";]])],[pf_cv_var_progname="yes"],[pf_cv_var_progname="no"]))
if test "$pf_cv_var_progname" = "yes"; then
AC_DEFINE(HAVE___PROGNAME, 1, __PROGNAME glibc macro available)
fi
AC_CACHE_CHECK(which argv replacement method to use,
pf_cv_argv_type,
AC_EGREP_CPP(yes,[
#if defined(__GNU_HURD__)
yes
#endif
],pf_cv_argv_type="new", pf_cv_argv_type="writeable"))
if test "$pf_cv_argv_type" = "new"; then
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_NEW, new argv type)
pf_argv_set="yes"
fi
if test "$pf_argv_set" = "no"; then
AC_DEFINE(PF_ARGV_TYPE, PF_ARGV_WRITEABLE, writeable argv type)
fi
fi
fi
# Allow disabling mutex timeout, use with caution
AC_ARG_ENABLE(mutextimeout,
AS_HELP_STRING([--disable-mutextimeout], [Disable failsafe thread mutex timer, use with caution]),
[case "${enableval}" in
no) wantmutex=0 ;;
*) wantmutex=1 ;;
esac],
[wantmutex=1]
)
if test "$wantmutex" = 0; then
AC_DEFINE(DISABLE_MUTEX_TIMEOUT, 1, [Remove mutex deadlock timeout protection])
fi
linux_wireless="no"
# Check for linux headers if we're on linux systems
if test "$linux" = "yes"; then
AC_ARG_WITH(linuxheaders,
[ --with-linuxheaders[=DIR] Custom location of the Linux kernel headers if the glibc copies are insufficient ],
[
if test "$withval" != no -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval"
fi
])
AC_ARG_ENABLE(linuxwext,
AS_HELP_STRING([--disable-linuxwext], [Disable Linux wireless extensions]),
[case "${enableval}" in
no) wantwext=no ;;
*) wantwext=yes ;;
esac],
[wantwext=yes]
)
linux_wireless="no"
if test "$wantwext" = "yes"; then
AC_CHECK_HEADER([linux/wireless.h],
[foundwexth=yes],,
[
#include <sys/types.h>
#include <netdb.h>
#include <linux/socket.h>
#include <asm/types.h>
#include <linux/if.h>
])
if test "$foundwexth" != "yes"; then
AC_MSG_ERROR(Failed to find a usable linux/wireless.h header for Linux Wireless Extensions. Either your kernel headers are missing or are incorrect. See config.log for the exact error. Compiling without wireless headers must be explicitly disabled)
fi
AC_MSG_CHECKING(that linux/wireless.h is what we expect)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <sys/types.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/resource.h>
#include <asm/types.h>
#include <linux/if.h>
#include <linux/wireless.h>
]], [[
struct iwreq wrq;
wrq.u.essid.flags = 0;
]])],[foundwextok=yes])
if test "$foundwextok" != "yes"; then
AC_MSG_RESULT(no)
AC_MSG_ERROR(Failed to find a usable linux/wireless.h header for Linux Wireless Extensions. Either your kernel headers are missing or are incorrect. See config.log for the exact error.)
fi # wexth
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LINUX_WIRELESS, 1, Linux wireless extentions present)
linux_wireless="yes";
if test "$linux_wireless" = "yes"; then
iwfreqflag=no
AC_MSG_CHECKING(can we use iw_freq.flags)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <asm/types.h>
#include <linux/if.h>
#include <linux/wireless.h>
]], [[
struct iwreq wrq;
wrq.u.freq.flags = IW_FREQ_FIXED;
]])],[iwfreqflag=yes],[iwfreqflag=no])
if test "$iwfreqflag" = "no"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LINUX_IWFREQFLAG, 1, [Linux wireless iwfreq.flag])
fi
fi
fi # want headers
# Look for capability support
AC_ARG_ENABLE(libcap,
AS_HELP_STRING([--disable-libcap], [Disable libcap capabilities]),
[case "${enableval}" in
no) wantlibcap=no ;;
*) wantlibcap=yes ;;
esac],
[wantlibcap=yes]
)
if test "$wantlibcap" = "yes"; then
havecap="yes"
AC_CHECK_LIB([cap], [cap_init],,havecap=no)
AC_CHECK_HEADER([sys/prctl.h],, havecap=no)
AC_CHECK_HEADER([sys/capability.h],, havecap=no)
if test "$havecap" = "yes"; then
AC_DEFINE(HAVE_CAPABILITY, 1, kernel capability support)
caplibs="-lcap"
AC_SUBST(caplibs)
fi
fi
fi # linux
AC_ARG_WITH(pcreheaders,
[ --with-pcreheaders[=DIR] Custom location of the PCRE library headers ],
[
if test "$withval" != no -a "$withval" != "yes"; then
CPPFLAGS="$CPPFLAGS -I$withval"
fi
])
AC_ARG_ENABLE(pcre,
AS_HELP_STRING([--disable-pcre], [Disable PCRE regex]),
[case "${enableval}" in
no) wantpcre=no ;;
*) wantpcre=yes ;;
esac],
[wantpcre=yes]
)
AC_ARG_ENABLE(require-pcre2,
AS_HELP_STRING([--enable-require-pcre2], [Explicitly require libpcre2]),
[case "${enableval}" in
yes) needpcre2=yes ;;
*) needpcre2=no ;;
esac],
[needpcre2=no]
)
if test "${wantpcre}x" = "nox" -a "${needpcre2}x" = "yesx"; then
AC_MSG_ERROR([Can not combine --disable-pcre and --enable-require-pcre2])
fi
if test "$caponly"x = "no"x; then
if test "$HAVE_CXX17" = "1"; then
AC_MSG_CHECKING([Checking C++17 parallel functions])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <execution>
#include <vector>
]], [[
std::vector<int> x{1, 2};
std::stable_sort(std::execution::par_unseq, x.begin(), x.end(), [&](int, int) -> bool { return false; });
return 0;
]])],
[
AC_MSG_RESULT([ok])
USE_CPP17_PARALLEL=1
AC_DEFINE(HAVE_CPP17_PARALLEL, 1, CPP17 parallel functions work)
],[
AC_MSG_RESULT([fail])
AC_MSG_WARN([Could not use basic C++17 parallel functions])
USE_CPP17_PARALLEL=0
])
if test "$USE_CPP17_PARALLEL" = "0"; then
OCXLIBS="$CXXLIBS"