chrony/configure
Miroslav Lichvar d243f1f8fe configure: check if getaddrinfo() is available
This allows disabling IPv6 support and keeping getaddrinfo().
2014-04-29 12:43:03 +02:00

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Executable file

#!/bin/sh
# =======================================================================
#
# chronyd/chronyc - Programs for keeping computer clocks accurate.
#
# Copyright (C) Richard P. Curnow 1997-2003
# Copyright (C) Miroslav Lichvar 2009, 2012
#
# =======================================================================
rm -f config.h config.log
# This configure script determines the operating system type and version
if [ "x${CC}" = "x" ]; then
MYCC="gcc"
else
MYCC="${CC}"
fi
if [ "x${CFLAGS}" = "x" ]; then
MYCFLAGS="-O2 -g"
else
MYCFLAGS="${CFLAGS}"
fi
MYCPPFLAGS="${CPPFLAGS}"
if [ "x${MYCC}" = "xgcc" ]; then
MYCFLAGS="${MYCFLAGS} -Wmissing-prototypes -Wall"
fi
MYLDFLAGS="${LDFLAGS}"
# ======================================================================
# FUNCTIONS
#{{{ test_code
test_code () {
name=$1
headers=$2
cflags=$3
ldflags=$4
code=$5
echo -n "Checking for $name : "
(
for h in $headers; do
echo "#include <$h>"
done
echo "int main(int argc, char **argv) {"
echo "$code"
echo "return 0; }"
) > docheck.c
echo "docheck.c:" >> config.log
cat docheck.c >> config.log
echo $MYCC $MYCFLAGS $MYCPPFLAGS $cflags -o docheck docheck.c $ldflags \
$MYLDFLAGS >> config.log
$MYCC $MYCFLAGS $MYCPPFLAGS $cflags -o docheck docheck.c $ldflags \
$MYLDFLAGS >> config.log 2>&1
if [ $? -eq 0 ]
then
echo "Yes"
result=0
else
echo "No"
result=1
fi
rm -f docheck.c docheck
echo >> config.log
return $result
}
#}}}
#{{{ usage
usage () {
cat <<EOF
\`configure' configures this package to adapt to many kinds of systems.
Usage: ./configure [OPTION]...
Defaults for the options are specified in brackets.
Configuration:
-h, --help display this help and exit
Installation directories:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local]
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
[PREFIX]
By default, \`make install' will install all the files in
\`/usr/local/bin', \`/usr/local/lib' etc. You can specify
an installation prefix other than \`/usr/local' using \`--prefix',
for instance \`--prefix=$HOME'.
For better control, use the options below.
--disable-readline Disable line editing support
--without-readline Don't use GNU readline even if it is available
--without-editline Don't use editline even if it is available
--readline-dir=DIR Specify parent of readline include and lib directories
--readline-inc-dir=DIR Specify where readline include directory is
--readline-lib-dir=DIR Specify where readline lib directory is
--with-ncurses-library=DIR Specify where ncurses lib directory is
--without-nss Don't use NSS even if it is available
--without-tomcrypt Don't use libtomcrypt even if it is available
--disable-ipv6 Disable IPv6 support
--disable-phc Disable PHC support
--disable-pps Disable PPS API support
--disable-rtc Don't include RTC even on Linux
--disable-linuxcaps Disable Linux capabilities support
--disable-forcednsretry Don't retry on permanent DNS error
--with-user=USER Specify default chronyd user [root]
--with-sendmail=PATH Path to sendmail binary [/usr/lib/sendmail]
--enable-debug Enable debugging support
Fine tuning of the installation directories:
--sysconfdir=DIR chrony.conf location [/etc]
--bindir=DIR user executables [EPREFIX/bin]
--sbindir=DIR system admin executables [EPREFIX/sbin]
--datarootdir=DIR data root [PREFIX/share]
--infodir=DIR info documentation [DATAROOTDIR/info]
--mandir=DIR man documentation [DATAROOTDIR/man]
--docdir=DIR documentation root [DATAROOTDIR/doc/chrony]
--localstatedir=DIR modifiable single-machine data [/var]
--chronyvardir=DIR location for chrony data [LOCALSTATEDIR/lib/chrony]
Overriding system detection when cross-compiling:
--host-system=OS Specify system name (uname -s)
--host-release=REL Specify system release (uname -r)
--host-machine=CPU Specify machine (uname -m)
Some influential environment variables:
CC C compiler command
CFLAGS C compiler flags
CPPFLAGS C preprocessor flags, e.g. -I<include dir> if you have
headers in a nonstandard directory <include dir>
LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
nonstandard directory <lib dir>
Use these variables to override the choices made by \`configure' or to help
it to find libraries and programs with nonstandard names/locations.
EOF
}
#}}}
#{{{
add_def () {
if [ "x$2" = "x" ]; then
echo "#define $1 1" >> config.h
else
echo "#define $1 $2" >> config.h
fi
}
#}}}
# ======================================================================
OPERATINGSYSTEM=`uname -s`
VERSION=`uname -r`
MACHINE=`uname -m`
EXTRA_LIBS=""
EXTRA_CLI_LIBS=""
EXTRA_OBJECTS=""
EXTRA_DEFS=""
SYSDEFS=""
debug=0
feat_readline=1
try_readline=1
try_editline=1
try_nss=1
try_tomcrypt=1
feat_rtc=1
try_rtc=0
feat_linuxcaps=1
try_linuxcaps=0
readline_lib=""
readline_inc=""
ncurses_lib=""
feat_ipv6=1
feat_phc=1
try_phc=0
feat_pps=1
try_setsched=0
try_lockmem=0
feat_forcednsretry=1
default_user="root"
mail_program="/usr/lib/sendmail"
for option
do
case "$option" in
--enable-debug )
debug=1
;;
--disable-readline )
feat_readline=0
;;
--without-readline )
try_readline=0
;;
--without-editline )
try_editline=0
;;
--with-readline-library=* )
readline_lib=-L`echo $option | sed -e 's/^.*=//;'`
;;
--with-readline-includes=* )
readline_inc=-I`echo $option | sed -e 's/^.*=//;'`
;;
--with-ncurses-library=* )
ncurses_lib=-L`echo $option | sed -e 's/^.*=//;'`
;;
--prefix=* | --install_prefix=* )
SETPREFIX=`echo $option | sed -e 's/[^=]*=//;'`
;;
--exec-prefix=* )
SETEPREFIX=`echo $option | sed -e 's/[^=]*=//;'`
;;
--sysconfdir=* )
SETSYSCONFDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--bindir=* )
SETBINDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--sbindir=* )
SETSBINDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--datarootdir=* )
SETDATAROOTDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--infodir=* )
SETINFODIR=`echo $option | sed -e 's/^.*=//;'`
;;
--mandir=* )
SETMANDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--docdir=* )
SETDOCDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--localstatedir=* )
SETLOCALSTATEDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--chronyvardir=* )
SETCHRONYVARDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--disable-rtc)
feat_rtc=0
;;
--disable-ipv6)
feat_ipv6=0
;;
--disable-phc)
feat_phc=0
;;
--disable-pps)
feat_pps=0
;;
--disable-linuxcaps)
feat_linuxcaps=0
;;
--disable-forcednsretry)
feat_forcednsretry=0
;;
--with-user=* )
default_user=`echo $option | sed -e 's/^.*=//;'`
;;
--with-sendmail=* )
mail_program=`echo $option | sed -e 's/^.*=//;'`
;;
--without-nss )
try_nss=0
;;
--without-tomcrypt )
try_tomcrypt=0
;;
--host-system=* )
OPERATINGSYSTEM=`echo $option | sed -e 's/^.*=//;'`
;;
--host-release=* )
VERSION=`echo $option | sed -e 's/^.*=//;'`
;;
--host-machine=* )
MACHINE=`echo $option | sed -e 's/^.*=//;'`
;;
--help | -h )
usage
exit 0
;;
* )
echo "Unrecognized option : " $option
esac
done
SYSTEM=${OPERATINGSYSTEM}-${MACHINE}
case $SYSTEM in
SunOS-sun4* )
case $VERSION in
4.* )
EXTRA_OBJECTS="sys_sunos.o strerror.o"
EXTRA_LIBS="-lkvm"
add_def SUNOS
echo "Configuring for SunOS (" $SYSTEM "version" $VERSION ")"
;;
5.* )
EXTRA_OBJECTS="sys_solaris.o"
EXTRA_LIBS="-lsocket -lnsl -lkvm -lelf"
EXTRA_CLI_LIBS="-lsocket -lnsl"
add_def SOLARIS
echo "Configuring for Solaris (" $SYSTEM "SunOS version" $VERSION ")"
;;
esac
;;
Linux* )
EXTRA_OBJECTS="sys_linux.o wrap_adjtimex.o"
try_linuxcaps=1
try_rtc=1
try_setsched=1
try_lockmem=1
try_phc=1
add_def LINUX
echo "Configuring for " $SYSTEM
if [ "${MACHINE}" = "alpha" ]; then
echo "Enabling -mieee"
# FIXME: Should really test for GCC
MYCFLAGS="$MYCFLAGS -mieee"
fi
;;
BSD/386-i[3456]86|FreeBSD-i386|FreeBSD-amd64 )
# Antti Jrvinen <costello@iki.fi> reported that this system can
# be supported with the SunOS 4.x driver files.
EXTRA_OBJECTS="sys_sunos.o strerror.o"
EXTRA_LIBS="-lkvm"
add_def SUNOS
echo "Configuring for $SYSTEM (using SunOS driver)"
;;
NetBSD-* )
EXTRA_OBJECTS="sys_netbsd.o"
EXTRA_LIBS="-lkvm"
SYSDEFS=""
echo "Configuring for $SYSTEM"
;;
SunOS-i86pc* )
# Doug Woodward <dougw@whistler.com> reported that this configuration
# works for Solaris 2.8 / SunOS 5.8 on x86 platforms
EXTRA_OBJECTS="sys_solaris.o"
EXTRA_LIBS="-lsocket -lnsl -lkvm -lelf"
EXTRA_CLI_LIBS="-lsocket -lnsl"
add_def SOLARIS
echo "Configuring for Solaris (" $SYSTEM "SunOS version" $VERSION ")"
;;
CYGWIN32_NT-i[3456]86 )
EXTRA_OBJECTS="sys_winnt.o"
EXTRA_LIBS=""
add_def WINNT
echo "Configuring for Windows NT (Cygwin32)"
;;
* )
echo "Sorry, I don't know how to build this software on your system."
exit 1
;;
esac
MATHCODE='return (int) pow(2.0, log(sqrt((double)argc)));'
if test_code 'math' 'math.h' '' '' "$MATHCODE"; then
LIBS=""
else
if test_code 'math in -lm' 'math.h' '' '-lm' "$MATHCODE"; then
LIBS="-lm"
else
echo "Can't compile/link a program which uses sqrt(), log(), pow(), bailing out"
exit 1
fi
fi
if test_code '<stdint.h>' 'stdint.h' '' '' ''; then
add_def HAS_STDINT_H
fi
if test_code '<inttypes.h>' 'inttypes.h' '' '' ''; then
add_def HAS_INTTYPES_H
fi
if [ $feat_ipv6 = "1" ] && \
test_code 'IPv6 support' 'arpa/inet.h sys/socket.h netinet/in.h' '' '' '
struct sockaddr_in6 n;
char p[100];
n.sin6_addr = in6addr_any;
return !inet_ntop(AF_INET6, &n.sin6_addr.s6_addr, p, sizeof(p));'
then
add_def HAVE_IPV6
if test_code 'in6_pktinfo' 'sys/socket.h netinet/in.h' '' '' '
return sizeof(struct in6_pktinfo);'
then
add_def HAVE_IN6_PKTINFO
else
if test_code 'in6_pktinfo with _GNU_SOURCE' 'sys/socket.h netinet/in.h' \
'-D_GNU_SOURCE' '' 'return sizeof(struct in6_pktinfo);'
then
add_def _GNU_SOURCE
add_def HAVE_IN6_PKTINFO
fi
fi
fi
if test_code 'getaddrinfo()' 'sys/types.h sys/socket.h netdb.h' '' '' \
'return getaddrinfo(0, 0, 0, 0);'
then
add_def HAVE_GETADDRINFO
fi
timepps_h=""
if [ $feat_pps = "1" ]; then
if test_code '<sys/timepps.h>' 'sys/timepps.h' '' '' ''; then
timepps_h="sys/timepps.h"
add_def HAVE_SYS_TIMEPPS_H
else
if test_code '<timepps.h>' 'timepps.h' '' '' ''; then
timepps_h="timepps.h"
add_def HAVE_TIMEPPS_H
fi
fi
fi
if [ "x$timepps_h" != "x" ] && \
test_code 'PPSAPI' "string.h $timepps_h" '' '' '
pps_handle_t h;
pps_info_t i;
struct timespec ts;
return time_pps_fetch(h, PPS_TSFMT_TSPEC, &i, &ts);'
then
add_def HAVE_PPSAPI
fi
if [ $feat_linuxcaps = "1" ] && [ $try_linuxcaps = "1" ] && \
test_code \
linuxcaps \
'sys/types.h pwd.h sys/prctl.h sys/capability.h grp.h' \
'' '-lcap' \
'prctl(PR_SET_KEEPCAPS, 1);cap_set_proc(cap_from_text("cap_sys_time=ep"));'
then
add_def FEAT_LINUXCAPS
EXTRA_LIBS="$EXTRA_LIBS -lcap"
fi
if [ $feat_rtc = "1" ] && [ $try_rtc = "1" ] && \
test_code '<linux/rtc.h>' 'sys/ioctl.h linux/rtc.h' '' '' \
'ioctl(1, RTC_UIE_ON&RTC_UIE_OFF&RTC_RD_TIME&RTC_SET_TIME, 0&RTC_UF);'
then
EXTRA_OBJECTS="$EXTRA_OBJECTS rtc_linux.o"
add_def FEAT_RTC
fi
if [ $feat_phc = "1" ] && [ $try_phc = "1" ] && \
test_code '<linux/ptp_clock.h>' 'sys/ioctl.h linux/ptp_clock.h' '' '' \
'ioctl(1, PTP_CLOCK_GETCAPS, 0);'
then
if test_code 'clock_gettime()' 'time.h' '' '' 'clock_gettime(0, NULL);'; then
add_def FEAT_PHC
else
if test_code 'clock_gettime() in -lrt' 'time.h' '' '-lrt' \
'clock_gettime(0, NULL);'
then
EXTRA_LIBS="$EXTRA_LIBS -lrt"
add_def FEAT_PHC
fi
fi
fi
if [ $try_setsched = "1" ] && \
test_code \
'sched_setscheduler()' \
'sched.h' '' '' '
struct sched_param sched;
sched_get_priority_max(SCHED_FIFO);
sched_setscheduler(0, SCHED_FIFO, &sched);'
then
add_def HAVE_SCHED_SETSCHEDULER
fi
if [ $try_lockmem = "1" ] && \
test_code \
'mlockall()' \
'sys/mman.h sys/resource.h' '' '' '
struct rlimit rlim;
setrlimit(RLIMIT_MEMLOCK, &rlim);
mlockall(MCL_CURRENT|MCL_FUTURE);'
then
add_def HAVE_MLOCKALL
fi
if [ $feat_forcednsretry = "1" ]
then
add_def FORCE_DNSRETRY
fi
READLINE_COMPILE=""
READLINE_LINK=""
if [ $feat_readline = "1" ]; then
if [ $try_editline = "1" ]; then
if test_code editline 'stdio.h editline/readline.h' \
"$readline_inc" "$readline_lib -ledit" \
'add_history(readline("prompt"));'
then
add_def FEAT_READLINE
add_def USE_EDITLINE
READLINE_COMPILE="$readline_inc"
READLINE_LINK="$readline_lib -ledit"
fi
fi
if [ "x$READLINE_LINK" = "x" ] && [ $try_readline = "1" ]; then
if test_code readline 'stdio.h readline/readline.h readline/history.h' \
"$readline_inc" "$readline_lib $ncurses_lib -lreadline" \
'add_history(readline("prompt"));'
then
add_def FEAT_READLINE
READLINE_COMPILE="$readline_inc"
READLINE_LINK="$readline_lib $ncurses_lib -lreadline"
fi
fi
if [ "x$READLINE_LINK" = "x" ] && [ $try_readline = "1" ]; then
if test_code 'readline with -lncurses' \
'stdio.h readline/readline.h readline/history.h' \
"$readline_inc" "$readline_lib $ncurses_lib -lreadline -lncurses" \
'add_history(readline("prompt"));'
then
add_def FEAT_READLINE
READLINE_COMPILE="$readline_inc"
READLINE_LINK="$readline_lib $ncurses_lib -lreadline -lncurses"
fi
fi
EXTRA_CLI_LIBS="$EXTRA_CLI_LIBS $READLINE_LINK"
fi
HASH_OBJ="hash_intmd5.o"
HASH_COMPILE=""
HASH_LINK=""
if [ $try_nss = "1" ]; then
test_cflags="`pkg-config --cflags nss 2> /dev/null`"
test_link="`pkg-config --libs-only-L nss 2> /dev/null` -lfreebl3"
if test_code 'NSS' 'nss.h hasht.h nsslowhash.h' \
"$test_cflags" "$test_link" \
'NSSLOWHASH_Begin(NSSLOWHASH_NewContext(NSSLOW_Init(), HASH_AlgSHA512));'
then
HASH_OBJ="hash_nss.o"
HASH_COMPILE="$test_cflags"
HASH_LINK="$test_link"
LIBS="$LIBS $HASH_LINK"
add_def GENERATE_SHA1_KEY
fi
fi
if [ "x$HASH_LINK" = "x" ] && [ $try_tomcrypt = "1" ]; then
if test_code 'tomcrypt' 'tomcrypt.h' '-I/usr/include/tomcrypt' '-ltomcrypt' \
'hash_memory_multi(find_hash("md5"), NULL, NULL, NULL, 0, NULL, 0);'
then
HASH_OBJ="hash_tomcrypt.o"
HASH_COMPILE="-I/usr/include/tomcrypt"
HASH_LINK="-ltomcrypt"
LIBS="$LIBS $HASH_LINK"
add_def GENERATE_SHA1_KEY
fi
fi
SYSCONFDIR=/etc
if [ "x$SETSYSCONFDIR" != "x" ]; then
SYSCONFDIR=$SETSYSCONFDIR
fi
PREFIX=/usr/local
if [ "x$SETPREFIX" != "x" ]; then
PREFIX=$SETPREFIX
fi
EPREFIX=${PREFIX}
if [ "x$SETEPREFIX" != "x" ]; then
EPREFIX=$SETEPREFIX
fi
BINDIR=${EPREFIX}/bin
if [ "x$SETBINDIR" != "x" ]; then
BINDIR=$SETBINDIR
fi
SBINDIR=${EPREFIX}/sbin
if [ "x$SETSBINDIR" != "x" ]; then
SBINDIR=$SETSBINDIR
fi
DATAROOTDIR=${PREFIX}/share
if [ "x$SETDATAROOTDIR" != "x" ]; then
DATAROOTDIR=$SETDATAROOTDIR
fi
INFODIR=${DATAROOTDIR}/info
if [ "x$SETINFODIR" != "x" ]; then
INFODIR=$SETINFODIR
fi
MANDIR=${DATAROOTDIR}/man
if [ "x$SETMANDIR" != "x" ]; then
MANDIR=$SETMANDIR
fi
DOCDIR=${DATAROOTDIR}/doc/chrony
if [ "x$SETDOCDIR" != "x" ]; then
DOCDIR=$SETDOCDIR
fi
LOCALSTATEDIR=/var
if [ "x$SETLOCALSTATEDIR" != "x" ]; then
LOCALSTATEDIR=$SETLOCALSTATEDIR
fi
CHRONYVARDIR=${LOCALSTATEDIR}/lib/chrony
if [ "x$SETCHRONYVARDIR" != "x" ]; then
CHRONYVARDIR=$SETCHRONYVARDIR
fi
add_def DEBUG $debug
add_def DEFAULT_CONF_FILE "\"$SYSCONFDIR/chrony.conf\""
add_def DEFAULT_USER "\"$default_user\""
add_def MAIL_PROGRAM "\"$mail_program\""
if [ -f version.txt ]; then
add_def CHRONY_VERSION "\"`cat version.txt`\""
else
add_def CHRONY_VERSION "\"DEVELOPMENT\""
fi
for f in Makefile chrony.conf.5 chrony.texi chronyc.1 chronyd.8
do
echo Creating $f
sed -e "s%@EXTRA_OBJECTS@%${EXTRA_OBJECTS}%;\
s%@CC@%${MYCC}%;\
s%@CFLAGS@%${MYCFLAGS}%;\
s%@CPPFLAGS@%${MYCPPFLAGS}%;\
s%@LIBS@%${LIBS}%;\
s%@LDFLAGS@%${MYLDFLAGS}%;\
s%@EXTRA_LIBS@%${EXTRA_LIBS}%;\
s%@EXTRA_CLI_LIBS@%${EXTRA_CLI_LIBS}%;\
s%@READLINE_COMPILE@%${READLINE_COMPILE}%;\
s%@HASH_OBJ@%${HASH_OBJ}%;\
s%@HASH_COMPILE@%${HASH_COMPILE}%;\
s%@SYSCONFDIR@%${SYSCONFDIR}%;\
s%@BINDIR@%${BINDIR}%;\
s%@SBINDIR@%${SBINDIR}%;\
s%@DOCDIR@%${DOCDIR}%;\
s%@MANDIR@%${MANDIR}%;\
s%@INFODIR@%${INFODIR}%;\
s%@LOCALSTATEDIR@%${LOCALSTATEDIR}%;\
s%@CHRONYVARDIR@%${CHRONYVARDIR}%;\
s%@DEFAULT_USER@%${default_user}%;"\
< ${f}.in > $f
done
# =======================================================================
# vim:et:sw=2:ht=2:sts=2:fdm=marker:cms=#%s