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chrony/configure
Richard P. Curnow 084efe606f Merge branch 'vm'
2007-06-26 22:13:40 +01:00

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#!/bin/sh
#
# $Header: /cvs/src/chrony/configure,v 1.30 2003/09/22 21:53:57 richard Exp $
#
# =======================================================================
#
# chronyd/chronyc - Programs for keeping computer clocks accurate.
#
# Copyright (C) Richard P. Curnow 1997-2003
#
# =======================================================================
# 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
# ======================================================================
# FUNCTIONS
#{{{ test_for_sqrt
test_for_sqrt () {
# 0 : doesn't need -lm
# 1 : needs -lm
# 2 : doesn't even link with -lm
cat >docheck.c <<EOF;
#include <math.h>
int main(int argc, char **argv) {
return (int) sqrt((double)argc);
}
EOF
${MYCC} ${MYCFLAGS} -c -o docheck.o docheck.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
${MYCC} ${MYCFLAGS} -o docheck docheck.o >/dev/null 2>&1
if [ $? -eq 0 ]
then
result=0
else
${MYCC} ${MYCFLAGS} -o docheck docheck.o -lm >/dev/null 2>&1
if [ $? -eq 0 ]
then
result=1
else
result=2
fi
fi
else
result=2
fi
rm -f docheck.c docheck.o docheck
echo $result
}
#}}}
#{{{ test_for_stdint_h
test_for_stdint_h () {
cat >docheck.c <<EOF;
#include <stdint.h>
int main(int argc, char **argv) {
return 0;
}
EOF
${MYCC} ${MYCFLAGS} -c -o docheck.o docheck.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
result=0
else
result=1
fi
rm -f docheck.c docheck.o
echo $result
}
#}}}
#{{{ test_for_inttypes_h
test_for_inttypes_h () {
cat >docheck.c <<EOF;
#include <inttypes.h>
int main(int argc, char **argv) {
return 0;
}
EOF
${MYCC} ${MYCFLAGS} -c -o docheck.o docheck.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
result=0
else
result=1
fi
rm -f docheck.c docheck.o
echo $result
}
#}}}
#{{{ usage
usage () {
cat <<EOF;
\`configure' configures tdl to adapt to many kinds of systems.
Usage: ./configure [OPTION]...
Defaults for the options are specified in brackets.
Configuration:
-h, --help display this help and exit
Installation directories:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local]
By default, \`make install' will install all the files in
\`/usr/local/bin', \`/usr/local/lib' etc. You can specify
an installation prefix other than \`/usr/local' using \`--prefix',
for instance \`--prefix=$HOME'.
For better control, use the options below.
--disable-readline Don't try to use GNU readline
--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
--disable-rtc Don't include RTC even on Linux
Fine tuning of the installation directories:
--infodir=DIR info documentation [PREFIX/info]
--mandir=DIR man documentation [PREFIX/man]
Some influential environment variables:
CC C compiler command
CFLAGS C compiler flags
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.
Report bugs to <rc@rc0.org.uk>.
EOF
}
#}}}
# ======================================================================
OPERATINGSYSTEM=`uname -s`
VERSION=`uname -r`
MACHINE=`uname -m`
SYSTEM=${OPERATINGSYSTEM}-${MACHINE}
EXTRA_LIBS=""
EXTRA_CLI_LIBS=""
EXTRA_OBJECTS=""
EXTRA_DEFS=""
INSTALL_PREFIX=/usr/local
SYSDEFS=""
# Support for readline (on by default)
feat_readline=1
feat_rtc=1
readline_lib=""
readline_inc=""
ncurses_lib=""
SETINFODIR=""
SETMANDIR=""
for option
do
case "$option" in
--prefix=* | --install_prefix=* )
INSTALL_PREFIX=`echo $option | sed -e 's/[^=]*=//;'`
;;
--trace )
EXTRA_DEFS="-DTRACEON"
;;
--disable-readline )
feat_readline=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/^.*=//;'`
;;
--infodir=* )
SETINFODIR=`echo $option | sed -e 's/^.*=//;'`
;;
--mandir=* )
SETMANDIR=`echo $option | sed -e 's/^.*=//;'`
;;
--disable-rtc)
feat_rtc=0
;;
--help | -h )
usage
exit 0
;;
* )
echo "Unrecognized option : " $option
esac
done
case $SYSTEM in
SunOS-sun4* )
case $VERSION in
4.* )
EXTRA_OBJECTS="sys_sunos.o strerror.o"
EXTRA_LIBS="-lkvm"
SYSDEFS="-DSUNOS"
echo "Configuring for SunOS (" $SYSTEM "version" $VERSION ")"
;;
5.* )
EXTRA_OBJECTS="sys_solaris.o"
EXTRA_LIBS="-lsocket -lnsl -lkvm -lelf"
EXTRA_CLI_LIBS="-lsocket -lnsl"
SYSDEFS="-DSOLARIS"
echo "Configuring for Solaris (" $SYSTEM "SunOS version" $VERSION ")"
if [ $VERSION = "5.3" ]; then
SYSDEFS="$SYSDEFS -DHAS_NO_BZERO"
echo "Using memset() instead of bzero()"
fi
;;
esac
;;
Linux* )
EXTRA_OBJECTS="sys_linux.o wrap_adjtimex.o"
if [ $feat_rtc -eq 1 ] ; then
EXTRA_OBJECTS+=" rtc_linux.o"
EXTRA_DEFS+=" -DFEAT_RTC=1"
fi
SYSDEFS="-DLINUX"
echo "Configuring for " $SYSTEM
if [ "${MACHINE}" = "alpha" ]; then
echo "Enabling -mieee"
# FIXME: Should really test for GCC
SYSDEFS="$SYSDEFS -mieee -DALPHA"
fi
;;
BSD/386-i[3456]86|FreeBSD-i386 )
# 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"
SYSDEFS="-DSUNOS"
echo "Configuring for BSD/386 (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"
SYSDEFS="-DSOLARIS"
echo "Configuring for Solaris (" $SYSTEM "SunOS version" $VERSION ")"
;;
CYGWIN32_NT-i[3456]86 )
EXTRA_OBJECTS="sys_winnt.o"
EXTRA_LIBS=""
SYSDEFS="-DWINNT"
echo "Configuring for Windows NT (Cygwin32)"
;;
* )
echo "Sorry, I don't know how to build this software on your system."
exit 1
;;
esac
printf "Checking if sqrt() needs -lm : "
case `test_for_sqrt`
in
0)
printf "No\n"
LIBS=""
;;
1)
printf "Yes\n"
LIBS="-lm"
;;
*)
printf "\nCan't compile/link a program which uses sqrt(), bailing out\n"
exit 1
;;
esac
printf "Checking for <stdint.h> : "
if [ `test_for_stdint_h` -eq 0 ]; then
printf "Yes\n"
SYSDEFS="${SYSDEFS} -DHAS_STDINT_H"
else
printf "No\n"
fi
printf "Checking for <inttypes.h> : "
if [ `test_for_inttypes_h` -eq 0 ]; then
printf "Yes\n"
SYSDEFS="${SYSDEFS} -DHAS_INTTYPES_H"
else
printf "No\n"
fi
if [ "x${MYCC}" = "xgcc" ]; then
CCWARNFLAGS="-Wmissing-prototypes -Wall"
else
CCWARNFLAGS=""
fi
if [ $feat_readline = "1" ]; then
READLINE_COMPILE="-DFEAT_READLINE=1 $readline_inc"
READLINE_LINK="$readline_lib $ncurses_lib -lreadline -lncurses"
else
READLINE_COMPILE=""
READLINE_LINK=""
fi
MANDIR=${INSTALL_PREFIX}/man
INFODIR=${INSTALL_PREFIX}/info
if [ "x$SETINFODIR" != "x" ]; then
INFODIR=$SETINFODIR
fi
if [ "x$SETMANDIR" != "x" ]; then
MANDIR=$SETMANDIR
fi
sed -e "s%@EXTRA_OBJECTS@%${EXTRA_OBJECTS}%;\
s%@CC@%${MYCC}%;\
s%@CFLAGS@%${MYCFLAGS}%;\
s%@CCWARNFLAGS@%${CCWARNFLAGS}%;\
s%@LIBS@%${LIBS}%;\
s%@EXTRA_LIBS@%${EXTRA_LIBS}%;\
s%@SYSDEFS@%${SYSDEFS}%;\
s%@EXTRA_DEFS@%${EXTRA_DEFS}%;\
s%@EXTRA_CLI_LIBS@%${EXTRA_CLI_LIBS}%;\
s%@READLINE_COMPILE@%${READLINE_COMPILE}%;\
s%@READLINE_LINK@%${READLINE_LINK}%;\
s%@INSTALL_PREFIX@%${INSTALL_PREFIX}%;\
s%@MANDIR@%${MANDIR}%;\
s%@INFODIR@%${INFODIR}%;"\
< Makefile.in > Makefile
# =======================================================================
# vim:et:sw=2:ht=2:sts=2:fdm=marker:cms=#%s
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