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configure.in
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configure.in
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#
# Keepalived OpenSource project.
#
# Configuration template file for keepalived.
# autoconf will generate & check deps for proper compilation
#
# Copyright (C) 2001-2009 Alexandre Cassen, <acassen@linux-vs.org>
dnl ----[ Process this file with autoconf to produce a configure script ]----
AC_INIT(keepalived/core/main.c)
VERSION=`cat VERSION`
VERSION_DATE=`date +%m/%d,20%y`
OUTPUT_TARGET="Makefile genhash/Makefile keepalived/core/Makefile keepalived/include/config.h keepalived.spec"
dnl ----[ Checks for programs ]----
AC_PROG_CC
AC_PROG_INSTALL
AC_CHECK_TOOL(STRIP,strip)
dnl ----[ Keepalived specific configure options ]----
AC_ARG_ENABLE(lvs-syncd,
[ --disable-lvs-syncd do not use LVS synchronization daemon])
AC_ARG_ENABLE(lvs,
[ --disable-lvs do not use the LVS framework])
AC_ARG_ENABLE(vrrp,
[ --disable-vrrp do not use the VRRP framework])
AC_ARG_WITH(kernel-dir,
[ --with-kernel-dir=DIR path to linux kernel source directory],
[kernelinc="$withval/include" kernelpath="$withval"],
[kernelinc="/usr/src/linux/include" kernelpath="/usr/src/linux"])
AC_ARG_WITH(kernel-version,
[ --with-kernel-version=VER forced value for linux kernel version (VER=2.4|2.6)],
[kernelversion="$withval"], [kernelversion=""])
AC_ARG_ENABLE(debug,
[ --enable-debug compile with debugging flags])
AC_ARG_ENABLE(profile,
[ --enable-profile compile with profiling flags])
dnl ----[ Checks for header files ]----
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(fcntl.h syslog.h unistd.h sys/ioctl.h sys/time.h)
dnl [do we really need this ?] AC_CHECK_HEADERS(linux/netlink.h linux/rtnetlink.h)
AC_CHECK_HEADERS(openssl/ssl.h openssl/md5.h openssl/err.h,,AC_MSG_ERROR([
!!! OpenSSL is not properly installed on your system. !!!
!!! Can not include OpenSSL headers files. !!!]))
dnl ----[ Checks for libraries ]----
AC_CHECK_LIB(crypto, MD5_Init,,AC_MSG_ERROR([OpenSSL libraries are required]))
AC_CHECK_LIB(ssl, SSL_CTX_new,,AC_MSG_ERROR([OpenSSL libraries are required]))
AC_CHECK_LIB(popt, poptGetContext,,AC_MSG_ERROR([Popt libraries is required]))
dnl ----[ Kernel version check ]----
CPPFLAGS="$CPPFLAGS -I$kernelinc"
AC_MSG_CHECKING([for kernel version])
AC_TRY_RUN([
#include <stdlib.h>
#include <stdio.h>
#include <linux/version.h>
#if !defined(UTS_RELEASE) && !defined(LINUX_VERSION_CODE)
#include <linux/utsrelease.h>
#endif
int main (void) {
FILE *fp = fopen ("linuxinfo", "w");
if (!fp) return 1;
#if defined(UTS_RELEASE)
fprintf (fp, "%s\n", UTS_RELEASE);
#elif defined(LINUX_VERSION_CODE)
fprintf (fp, "%d.%d.%d\n", LINUX_VERSION_CODE >> 16, (LINUX_VERSION_CODE >> 8) & 0xFF, LINUX_VERSION_CODE & 0xFF);
#else
fprintf (fp, "0.0.0\n"); /* Let's fail gently */
#endif
fclose (fp);
return 0;
}
], [
LINUX_MAJOR=`cat linuxinfo | cut -d'.' -f1`
LINUX_MINOR=`cat linuxinfo | cut -d'.' -f2`
LINUX_PATCH=`cat linuxinfo | cut -d'.' -f3`
], [
LINUX_MAJOR="0"
LINUX_MINOR="0"
LINUX_PATCH="0"
], [
LINUX_MAJOR="0"
LINUX_MINOR="0"
LINUX_PATCH="0"
])
rm -f linuxinfo
if test "$kernelversion" = "2.4"; then
KERN="_KRNL_2_4_"
AC_MSG_RESULT([2.4])
elif test "$kernelversion" = "2.6"; then
KERN="_KRNL_2_6_"
AC_MSG_RESULT([2.6])
else
AC_MSG_RESULT([$LINUX_MAJOR.$LINUX_MINOR.$LINUX_PATCH])
if test "$LINUX_MINOR" = "6"; then
KERN="_KRNL_2_6_"
elif test "$LINUX_MINOR" = "4"; then
KERN="_KRNL_2_4_"
else
KERN="_KRNL_2_6_"
fi
if test "$LINUX_MAJOR" = "0" -a "$LINUX_MINOR" = "0" -a "$LINUX_PATCH" = "0"; then
AC_MSG_WARN([Cannot determine Linux Kernel version.])
fi
fi
AC_SUBST(KERN)
dnl ----[ Checks for LVS and VRRP support ]----
IPVS_SUPPORT="_WITHOUT_LVS_"
if test "$enable_lvs" != "no"; then
AC_CHECK_HEADER([net/ip_vs.h],
[IPVS_SUPPORT="_WITH_LVS_"],
[
IPVS_SUPPORT="_WITHOUT_LVS_"
AC_MSG_WARN([keepalived will be built without LVS support.])
])
fi
if test "$IPVS_SUPPORT" = "_WITHOUT_LVS_" -a "$enable_vrrp" = "no"; then
AC_MSG_ERROR([keepalived MUST be compiled at least with LVS or VRRP framework])
fi
dnl ----[ IPVS syncd support probe ]---
IPVS_SYNCD="_WITHOUT_IPVS_SYNCD_"
if test "$IPVS_SUPPORT" = "_WITH_LVS_"; then
AC_MSG_CHECKING([for IPVS syncd support])
if test "$KERN" = "_KRNL_2_6_"; then
IPVS_SYNCD="_HAVE_IPVS_SYNCD_"
elif test "_KRNL_2_4_"; then
IPVS_SYNCD="_HAVE_IPVS_SYNCD_"
else
IPVS_SYNCD="_WITHOUT_IPVS_SYNCD_"
fi
if test "${IPVS_SUPPORT}" = "_WITHOUT_LVS_" -o "$enable_lvs_syncd" = "no"; then
IPVS_SYNCD="_WITHOUT_IPVS_SYNCD_"
fi
if test "$IPVS_SYNCD" = "_HAVE_IPVS_SYNCD_"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
fi
AC_SUBST(IPVS_SYNCD)
dnl ----[ Checks for kernel netlink support ]----
VRRP_SUPPORT="_WITHOUT_VRRP_"
if test "$enable_vrrp" != "no"; then
VRRP_SUPPORT="_WITH_VRRP_"
fi
if test "${enable_debug}" = "yes"; then
DFLAGS="-D_DEBUG_"
AC_SUBST(DFLAGS)
fi
if test "${enable_profile}" = "yes"; then
CFLAGS="$CFLAGS -pg"
fi
AC_SUBST(VERSION)
AC_SUBST(VERSION_DATE)
AC_SUBST(IPVS_SUPPORT)
AC_SUBST(VRRP_SUPPORT)
dnl ----[ Checks for typedefs, structures, and compiler characteristics ]----
AC_C_CONST
AC_TYPE_PID_T
AC_HEADER_TIME
dnl ----[ Checks for library functions ]----
AC_PROG_GCC_TRADITIONAL
AC_FUNC_MEMCMP
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(gettimeofday select socket strerror strtol uname)
dnl ----[ Process output target ]----
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/Makefile lib/Makefile"
if test "${VRRP_SUPPORT}" = "_WITH_VRRP_"; then
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/vrrp/Makefile"
fi
if test "$IPVS_SUPPORT" = "_WITH_LVS_"; then
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/check/Makefile"
if test "$KERN" = "_KRNL_2_6_"; then
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/libipvs-2.6/Makefile"
elif test "$KERN" = "_KRNL_2_4_"; then
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/libipvs-2.4/Makefile"
else
OUTPUT_TARGET="$OUTPUT_TARGET keepalived/libipfwc/Makefile"
fi
fi
AC_OUTPUT($OUTPUT_TARGET)
dnl ----[ Display current configuration ]----
cat <<EOF;
Keepalived configuration
------------------------
Keepalived version : ${VERSION}
Compiler : ${CC}
Compiler flags : ${CFLAGS}
EOF
dnl ----[ display optional vars ]----
if test -n "$LIBS"; then
echo "Extra Lib : $LIBS"
fi
if test "${IPVS_SUPPORT}" = "_WITH_LVS_"; then
echo "Use IPVS Framework : Yes"
if test "${IPVS_SYNCD}" = "_HAVE_IPVS_SYNCD_"; then
echo "IPVS sync daemon support : Yes"
elif test "${IPVS_SYNCD}" = "_WITHOUT_IPVS_SYNCD_"; then
echo "IPVS sync daemon support : No"
fi
else
echo "Use IPVS Framework : No"
echo "IPVS sync daemon support : No"
fi
if test "${VRRP_SUPPORT}" = "_WITH_VRRP_"; then
echo "Use VRRP Framework : Yes"
else
echo "Use VRRP Framework : No"
fi
if test "${DFLAGS}" = "-D_DEBUG_"; then
echo "Use Debug flags : Yes"
else
echo "Use Debug flags : No"
fi
dnl ----[ end configure ]---