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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.60])
AC_INIT([collectd],[m4_esyscmd(./version-gen.sh)])
AC_CONFIG_SRCDIR(src/target_set.c)
AC_CONFIG_HEADERS(src/config.h)
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
dnl older automake's default of ARFLAGS=cru is noisy on newer binutils;
dnl we don't really need the 'u' even in older toolchains. Then there is
dnl older libtool, which spelled it AR_FLAGS
m4_divert_text([DEFAULTS], [: "${ARFLAGS=cr} ${AR_FLAGS=cr}"])
LT_INIT([dlopen disable-static])
AM_INIT_AUTOMAKE([subdir-objects tar-pax dist-bzip2 no-dist-gzip foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_LANG(C)
AC_PREFIX_DEFAULT("/opt/collectd")
AC_SYS_LARGEFILE
#
# Checks for programs.
#
AC_PROG_CC_C99([],
[AC_MSG_ERROR([No compiler found that supports C99])]
)
AX_COMPILER_VENDOR
AC_PROG_CXX
AC_PROG_CPP
AC_PROG_EGREP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_PROG_CC_C_O
AC_PROG_LEX
AC_PROG_YACC
AC_PATH_PROG([VALGRIND], [valgrind])
# Warn when pkg.m4 is missing
m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
PKG_PROG_PKG_CONFIG
AC_CACHE_CHECK([if Bison is the parser generator],
[collectd_cv_prog_bison],
[
AS_IF([$YACC --version 2>/dev/null | $EGREP -q '^bison '],
[collectd_cv_prog_bison=yes],
[collectd_cv_prog_bison=no]
)
]
)
if test "x$collectd_cv_prog_bison" = "xno" && test ! -f "${srcdir}/src/liboconfig/parser.c"; then
AC_MSG_ERROR([bison is missing and you do not have ${srcdir}/src/liboconfig/parser.c. Please install bison])
fi
if test "x$lt_cv_dlopen" = "xno"; then
AC_MSG_ERROR([Your system does not support dlopen])
fi
AC_SUBST([DLOPEN_LIBS], [$lt_cv_dlopen_libs])
AC_MSG_CHECKING([for kernel type ($host_os)])
case $host_os in
*aix*)
AC_DEFINE([KERNEL_AIX], [1], [True if program is to be compiled for a AIX kernel])
ac_system="AIX"
;;
*darwin*)
AC_DEFINE([KERNEL_DARWIN], [1], [True if program is to be compiled for a Darwin kernel])
ac_system="Darwin"
;;
*freebsd*)
AC_DEFINE([KERNEL_FREEBSD], [1], [True if program is to be compiled for a FreeBSD kernel])
ac_system="FreeBSD"
;;
*linux*)
AC_DEFINE([KERNEL_LINUX], [1], [True if program is to be compiled for a Linux kernel])
ac_system="Linux"
;;
*netbsd*)
AC_DEFINE([KERNEL_NETBSD], [1], [True if program is to be compiled for a NetBSD kernel])
ac_system="NetBSD"
;;
*openbsd*)
AC_DEFINE([KERNEL_OPENBSD], [1], [True if program is to be compiled for an OpenBSD kernel])
ac_system="OpenBSD"
;;
*solaris*)
AC_DEFINE([KERNEL_SOLARIS], [1], [True if program is to be compiled for a Solaris kernel])
ac_system="Solaris"
;;
*)
ac_system="unknown"
;;
esac
AC_MSG_RESULT([$ac_system])
AM_CONDITIONAL([BUILD_AIX], [test "x$ac_system" = "xAIX"])
AM_CONDITIONAL([BUILD_DARWIN], [test "x$ac_system" = "xDarwin"])
AM_CONDITIONAL([BUILD_FREEBSD], [test "x$ac_system" = "xFreeBSD"])
AM_CONDITIONAL([BUILD_LINUX], [test "x$ac_system" = "xLinux"])
AM_CONDITIONAL([BUILD_OPENBSD], [test "x$ac_system" = "xOpenBSD"])
AM_CONDITIONAL([BUILD_SOLARIS], [test "x$ac_system" = "xSolaris"])
if test "x$ac_system" = "xSolaris"; then
AC_DEFINE([_POSIX_PTHREAD_SEMANTICS], [1], [Define to enforce POSIX thread semantics under Solaris.])
AC_DEFINE([_REENTRANT], [1], [Define to enable reentrancy interfaces.])
AC_MSG_CHECKING([whether compiler builds 64bit binaries])
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM(
[
#ifndef _LP64
# error "Compiler not in 64bit mode."
#endif
]
)
],
[AC_MSG_RESULT([yes])],
[
AC_MSG_RESULT([no])
AC_MSG_NOTICE([Solaris detected. Please consider building a 64-bit binary.])
]
)
fi
if test "x$ac_system" = "xAIX"; then
AC_DEFINE([_THREAD_SAFE_ERRNO], [1], [Define to use the thread-safe version of errno under AIX.])
fi
# Where to install .pc files.
pkgconfigdir="${libdir}/pkgconfig"
AC_SUBST([pkgconfigdir])
#
# Checks for header files.
#
AC_HEADER_SYS_WAIT
AC_HEADER_DIRENT
AC_CHECK_HEADERS_ONCE([ \
arpa/inet.h \
endian.h \
fcntl.h \
fnmatch.h \
fs_info.h \
fshelp.h \
grp.h \
kstat.h \
kvm.h \
libgen.h \
mntent.h \
mnttab.h \
netdb.h \
paths.h \
poll.h \
pthread_np.h \
pwd.h \
regex.h \
sys/endian.h \
sys/fs_types.h \
sys/fstyp.h \
sys/ioctl.h \
sys/isa_defs.h \
sys/mntent.h \
sys/mnttab.h \
sys/param.h \
sys/resource.h \
sys/select.h \
sys/socket.h \
sys/statfs.h \
sys/statvfs.h \
sys/types.h \
sys/un.h \
sys/vfs.h \
sys/vfstab.h \
sys/vmmeter.h \
syslog.h \
wordexp.h
])
if test "x$ac_system" = "xNetBSD"; then
# For entropy plugin on newer NetBSD
AC_CHECK_HEADERS([sys/rndio.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]]
)
fi
# For ping library
AC_CHECK_HEADERS([netinet/in_systm.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/in.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/ip.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/ip_icmp.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/ip_var.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/ip6.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/icmp6.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP6_H
# include <netinet/ip6.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/tcp.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/udp.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_NETINET_IN_SYSTM_H
# include <netinet/in_systm.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#if HAVE_NETINET_IP_H
# include <netinet/ip.h>
#endif
]]
)
# For cpu modules
AC_CHECK_HEADERS([sys/dkstat.h])
if test "x$ac_system" = "xDarwin"; then
AC_CHECK_HEADERS(
[ \
mach/mach_init.h \
mach/host_priv.h \
mach/mach_error.h \
mach/mach_host.h \
mach/mach_port.h \
mach/mach_types.h \
mach/message.h \
mach/processor_set.h \
mach/processor.h \
mach/processor_info.h \
mach/task.h \
mach/thread_act.h \
mach/vm_region.h \
mach/vm_map.h \
mach/vm_prot.h \
mach/vm_statistics.h \
mach/kern_return.h \
CoreFoundation/CoreFoundation.h \
IOKit/IOKitLib.h \
IOKit/IOTypes.h \
IOKit/ps/IOPSKeys.h \
IOKit/IOBSD.h \
IOKit/storage/IOBlockStorageDriver.h
]
)
# For the battery plugin
AC_CHECK_HEADERS([IOKit/ps/IOPowerSources.h], [], [],
[[
#if HAVE_IOKIT_IOKITLIB_H
# include <IOKit/IOKitLib.h>
#endif
#if HAVE_IOKIT_IOTYPES_H
# include <IOKit/IOTypes.h>
#endif
]]
)
fi
AC_CHECK_HEADERS([sys/sysctl.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]]
)
# For interface plugin
AC_CHECK_HEADERS([ifaddrs.h])
AC_CHECK_HEADERS([net/if.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
]]
)
if test "x$ac_system" = "xLinux"; then
# For hddtemp module
AC_CHECK_HEADERS([linux/major.h])
# For md module (Linux only)
AC_CHECK_HEADERS([linux/raid/md_u.h],
[have_linux_raid_md_u_h="yes"],
[have_linux_raid_md_u_h="no"],
[[
#include <sys/ioctl.h>
#include <linux/major.h>
#include <linux/types.h>
]]
)
AC_CHECK_HEADERS([sys/sysmacros.h])
AC_CHECK_HEADERS([linux/wireless.h],
[have_linux_wireless_h="yes"],
[have_linux_wireless_h="no"],
[[
#include <dirent.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
]]
)
AC_CHECK_HEADERS([linux/if.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
]]
)
AC_CHECK_HEADERS([linux/inet_diag.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
]]
)
AC_CHECK_HEADERS([linux/netdevice.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#if HAVE_LINUX_IF_H
# include <linux/if.h>
#endif
]]
)
# For ethstat module
AC_CHECK_HEADERS([linux/sockios.h],
[have_linux_sockios_h="yes"],
[have_linux_sockios_h="no"],
[[
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_NET_IF_H
# include <net/if.h>
#endif
]]
)
AC_CHECK_HEADERS([linux/ethtool.h],
[have_linux_ethtool_h="yes"],
[have_linux_ethtool_h="no"],
[[
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_NET_IF_H
# include <net/if.h>
#endif
#if HAVE_LINUX_SOCKIOS_H
# include <linux/sockios.h>
#endif
]]
)
# For ipvs module
AC_CHECK_HEADERS_ONCE([linux/ip_vs.h])
# For the email plugin
AC_CHECK_HEADERS([linux/un.h], [], [],
[[
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
]]
)
# For the turbostat plugin
AC_CHECK_HEADERS([cpuid.h],
[have_cpuid_h="yes"],
[have_cpuid_h="no (cpuid.h not found)"]
)
AC_CHECK_HEADERS([sys/capability.h],
[have_capability="yes"],
[have_capability="no (<sys/capability.h> not found)"]
)
if test "x$have_capability" = "xyes"; then
AC_CHECK_LIB([cap], [cap_get_proc],
[have_capability="yes"],
[have_capability="no (cap_get_proc() not found)"]
)
fi
if test "x$have_capability" = "xyes"; then
AC_CHECK_DECL([CAP_IS_SUPPORTED],
[have_capability="yes"],
[have_capability="no (CAP_IS_SUPPORTED not found)"],
[[#include <sys/capability.h>]]
)
fi
if test "x$have_capability" = "xyes"; then
AC_DEFINE([HAVE_CAPABILITY], [1], [Define to 1 if you have cap_get_proc() (-lcap).])
fi
else
have_linux_raid_md_u_h="no"
have_linux_wireless_h="no"
fi
AM_CONDITIONAL([BUILD_WITH_CAPABILITY], [test "x$have_capability" = "xyes"])
# For the swap module
have_sys_swap_h="yes"
AC_CHECK_HEADERS([sys/swap.h vm/anon.h],
[],
[have_sys_swap_h="no"],
[[
#undef _FILE_OFFSET_BITS
#undef _LARGEFILE64_SOURCE
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]]
)
# For load module
# For the processes plugin
# For users module
AC_CHECK_HEADERS([sys/loadavg.h linux/config.h utmp.h utmpx.h])
# For quota module
AC_CHECK_HEADERS([sys/ucred.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]]
)
# For mount interface
AC_CHECK_HEADERS([sys/mount.h], [], [],
[[
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]]
)
# --enable-xfs {{{
AC_ARG_ENABLE([xfs],
[AS_HELP_STRING([--enable-xfs], [xfs support in df plugin @<:@default=yes@:>@])],
[],
[enable_xfs="auto"]
)
if test "x$enable_xfs" != "xno"; then
AC_CHECK_HEADERS([xfs/xqm.h],
[],
[
if test "x$enable_xfs" = "xyes"; then
AC_MSG_ERROR([xfs/xqm.h not found])
fi
],
[[#define _GNU_SOURCE]]
)
fi
# }}}
# For the dns plugin
AC_CHECK_HEADERS([arpa/nameser.h])
AC_CHECK_HEADERS([arpa/nameser_compat.h], [], [],
[[
#if HAVE_ARPA_NAMESER_H
# include <arpa/nameser.h>
#endif
]]
)
AC_CHECK_HEADERS([net/if_arp.h], [], [],
[[
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
]]
)
AC_CHECK_HEADERS([net/ppp_defs.h])
AC_CHECK_HEADERS([net/if_ppp.h], [], [],
[[
#if HAVE_NET_PPP_DEFS_H
# include <net/ppp_defs.h>
#endif
]]
)
AC_CHECK_HEADERS([netinet/if_ether.h], [], [],
[[
#include <stdint.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#if HAVE_NET_IF_H
# include <net/if.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
]]
)
AC_CHECK_HEADERS([net/pfvar.h],
[have_net_pfvar_h="yes"],
[have_net_pfvar_h="no"],
[[
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
#if HAVE_NET_IF_H
# include <net/if.h>
#endif
#if HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
]]
)
# For the multimeter plugin
AC_CHECK_HEADERS([termios.h],
[have_termios_h="yes"],
[have_termios_h="no"]
)
# For cpusleep plugin
AC_CACHE_CHECK([whether clock_boottime and clock_monotonic are supported],
[c_cv_have_clock_boottime_monotonic],
[
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <time.h>]],
[[
struct timespec b, m;
clock_gettime(CLOCK_BOOTTIME, &b );
clock_gettime(CLOCK_MONOTONIC, &m );
]]
)
],
[c_cv_have_clock_boottime_monotonic="yes"],
[c_cv_have_clock_boottime_monotonic="no"]
)
]
)
#
# Checks for typedefs, structures, and compiler characteristics.
#
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_HEADER_TIME
test_cxx_flags() {
AC_LANG_PUSH([C++])
AC_LANG_CONFTEST(
[AC_LANG_SOURCE([[int main(void){}]]) ]
)
$CXX -c conftest.cpp $CXXFLAGS $@ > /dev/null 2> /dev/null
ret=$?
rm -f conftest.o
AC_LANG_POP([C++])
return $ret
}
#
# Checks for library functions.
#
AC_CHECK_FUNCS_ONCE([ \
asprintf \
closelog \
getaddrinfo \
getgrnam_r \
getnameinfo \
getpwnam_r \
gettimeofday \
if_indextoname \
openlog \
regcomp \
regerror \
regexec \
regfree \
select \
setenv \
setgroups \
strcasecmp \
strdup \
strncasecmp \
sysconf
]
)
AC_FUNC_STRERROR_R
SAVE_CFLAGS="$CFLAGS"
# Emulate behavior of src/Makefile.am
if test "x$GCC" = "xyes"; then
CFLAGS="$CFLAGS -Wall -Werror"
fi
AC_CACHE_CHECK([for strtok_r],
[c_cv_have_strtok_r_default],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
]],
[[
char buffer[] = "foo,bar,baz";
char *token;
char *dummy;
char *saveptr;
dummy = buffer;
saveptr = NULL;
while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
{
dummy = NULL;
printf ("token = %s;\n", token);
}
]]
)
],
[c_cv_have_strtok_r_default="yes"],
[c_cv_have_strtok_r_default="no"]
)
]
)
if test "x$c_cv_have_strtok_r_default" = "xno"; then
CFLAGS="$CFLAGS -D_REENTRANT=1"
AC_CACHE_CHECK([if strtok_r needs _REENTRANT],
[c_cv_have_strtok_r_reentrant],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
]],
[[
char buffer[] = "foo,bar,baz";
char *token;
char *dummy;
char *saveptr;
dummy = buffer;
saveptr = NULL;
while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
{
dummy = NULL;
printf ("token = %s;\n", token);
}
]]
)
],
[c_cv_have_strtok_r_reentrant="yes"],
[AC_MSG_FAILURE([strtok_r is not available. Please file a bugreport!])]
)
]
)
fi
CFLAGS="$SAVE_CFLAGS"
if test "x$c_cv_have_strtok_r_reentrant" = "xyes"; then
CFLAGS="$CFLAGS -D_REENTRANT=1"
fi
AC_CHECK_FUNCS([socket],
[],
[
AC_CHECK_LIB([socket], [socket],
[socket_needs_socket="yes"],
[AC_MSG_ERROR([cannot find socket() in libsocket])]
)
]
)
AM_CONDITIONAL([BUILD_WITH_LIBSOCKET], [test "x$socket_needs_socket" = "xyes"])
clock_gettime_needs_posix4="no"
AC_CHECK_FUNCS([clock_gettime],
[have_clock_gettime="yes"],
[have_clock_gettime="no"]
)
if test "x$have_clock_gettime" = "xno"; then
AC_CHECK_LIB([rt], [clock_gettime],
[
clock_gettime_needs_rt="yes"
have_clock_gettime="yes"
]
)
fi
if test "x$have_clock_gettime" = "xno"; then
AC_CHECK_LIB([posix4], [clock_gettime],
[
clock_gettime_needs_posix4="yes"
have_clock_gettime="yes"
]
)
fi
if test "x$have_clock_gettime" = "xyes"; then
AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if the clock_gettime(2) function is available.])
fi
AC_CHECK_FUNCS([nanosleep], [],
AC_CHECK_LIB([rt], [nanosleep],
[nanosleep_needs_rt="yes"],
[
AC_CHECK_LIB([posix4], [nanosleep],
[nanosleep_needs_posix4="yes"],
[AC_MSG_ERROR([cannot find nanosleep])]
)
]
)
)
AM_CONDITIONAL([BUILD_WITH_LIBRT], [test "x$clock_gettime_needs_rt" = "xyes" || test "x$nanosleep_needs_rt" = "xyes"])
AM_CONDITIONAL([BUILD_WITH_LIBPOSIX4], [test "x$clock_gettime_needs_posix4" = "xyes" || test "x$nanosleep_needs_posix4" = "xyes"])
AC_CHECK_FUNCS([getifaddrs], [have_getifaddrs="yes"], [have_getifaddrs="no"])
AC_CHECK_FUNCS([getloadavg], [have_getloadavg="yes"], [have_getloadavg="no"])
AC_CHECK_FUNCS([getutent], [have_getutent="yes"], [have_getutent="no"])
AC_CHECK_FUNCS([getutxent], [have_getutxent="yes"], [have_getutxent="no"])
AC_CHECK_FUNCS([host_statistics], [have_host_statistics="yes"], [have_host_statistics="no"])
AC_CHECK_FUNCS([processor_info], [have_processor_info="yes"], [have_processor_info="no"])
AC_CHECK_FUNCS([statfs], [have_statfs="yes"], [have_statfs="no"])
AC_CHECK_FUNCS([statvfs], [have_statvfs="yes"], [have_statvfs="no"])
AC_CHECK_FUNCS([sysctl], [have_sysctl="yes"], [have_sysctl="no"])
AC_CHECK_FUNCS([sysctlbyname], [have_sysctlbyname="yes"], [have_sysctlbyname="no"])
AC_CHECK_FUNCS([syslog], [have_syslog="yes"], [have_syslog="no"])
AC_CHECK_FUNCS([thread_info], [have_thread_info="yes"], [have_thread_info="no"])
# Check for strptime {{{
if test "x$GCC" = "xyes"; then
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wall -Wextra -Werror"
fi
AC_CHECK_FUNCS([strptime], [have_strptime="yes"], [have_strptime="no"])
if test "x$have_strptime" = "xyes"; then
AC_CACHE_CHECK([whether strptime is exported by default],
[c_cv_have_strptime_default],
[
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM(
[[#include <time.h>]],
[[
struct tm stm;
(void)strptime ("2010-12-30%13:42:42", "%Y-%m-%dT%T", &stm);
]]
)
],
[c_cv_have_strptime_default="yes"],
[c_cv_have_strptime_default="no"])
]
)
fi
if test "x$have_strptime" = "xyes" && test "x$c_cv_have_strptime_default" = "xno"; then
AC_CACHE_CHECK([whether strptime needs standards mode],
[c_cv_have_strptime_standards],
[
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifndef _ISOC99_SOURCE
# define _ISOC99_SOURCE 1
#endif
#ifndef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 200112L
#endif
#ifndef _XOPEN_SOURCE
# define _XOPEN_SOURCE 500
#endif
#include <time.h>
]],
[[
struct tm stm;
(void)strptime ("2010-12-30%13:42:42", "%Y-%m-%dT%T", &stm);
]]
)
],
[c_cv_have_strptime_standards="yes"],
[c_cv_have_strptime_standards="no"]
)
]
)
if test "x$c_cv_have_strptime_standards" = "xyes"; then
AC_DEFINE([STRPTIME_NEEDS_STANDARDS], [1],
[Set to true if strptime is only exported in X/Open mode (GNU libc).]
)
else
have_strptime="no"
fi
fi
if test "x$GCC" = "xyes"; then
CFLAGS="$SAVE_CFLAGS"
fi
# }}} Check for strptime
# Check for timegm {{{
# These checks need -Werror because implicit function declarations are only a
# warning ...
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
AC_CACHE_CHECK([for timegm],
[c_cv_have_timegm],
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[[
#if STRPTIME_NEEDS_STANDARDS