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configure.ac
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/
configure.ac
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# libguestfs
# Copyright (C) 2009-2014 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# NB: AC_CHECK_PROG(S) or AC_PATH_PROG(S)?
# Use AC_CHECK_PROG(S) for programs which are only used during build.
# Use AC_PATH_PROG(S) for program names which are compiled into the
# binary and used at run time. The reason is so that we know which
# programs the binary actually uses.
# The major, minor, and release fields MUST be numbers. Packagers can
# add extra information using --with-extra="..." which may be any
# freeform string.
m4_define([libguestfs_major], [1])
m4_define([libguestfs_minor], [28])
m4_define([libguestfs_release], [1])
AC_INIT([libguestfs],libguestfs_major.libguestfs_minor.libguestfs_release)
AC_CONFIG_AUX_DIR([build-aux])
dnl Initialize automake. automake < 1.12 didn't have serial-tests and
dnl gives an error if it sees this, but for automake >= 1.13
dnl serial-tests is required so we have to include it. Solution is to
dnl test for the version of automake (by running an external command)
dnl and provide it if necessary. Note we have to do this entirely using
dnl m4 macros since automake queries this macro by running
dnl 'autoconf --trace'.
m4_define([serial_tests], [
m4_esyscmd([automake --version | head -1 | awk '
{
split ($NF, version, ".");
if (version[1] == 1 && version[2] >= 12)
print "serial-tests";
}'
])
])
AM_INIT_AUTOMAKE(foreign serial_tests) dnl NB: Do not [quote] this parameter.
m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
AC_CONFIG_MACRO_DIR([m4])
dnl Stable or development version?
BRANCH_NUMBER=libguestfs_major.libguestfs_minor
AC_SUBST([BRANCH_NUMBER])
AC_MSG_CHECKING([if $BRANCH_NUMBER is a stable or development branch of libguestfs])
AS_IF([test "$((libguestfs_minor % 2))" -eq 0 ],[
BRANCH_TYPE=stable
AC_MSG_RESULT([$BRANCH_TYPE])
],[
BRANCH_TYPE=development
AC_MSG_RESULT([$BRANCH_TYPE])
AC_MSG_NOTICE([
***
This is a development version of libguestfs. Some APIs may be unstable
until they appear in a stable release of libguestfs (at which point
the C API and ABI is guaranteed to remain stable forever). For
more information about stable and development branches of libguestfs
please see the section "LIBGUESTFS VERSION NUMBERS" in guestfs(3).
***])
])
AC_SUBST([BRANCH_TYPE])
dnl Extra string, a freeform string defined by packagers.
AC_ARG_WITH([extra],
[AS_HELP_STRING([--with-extra],
[extra version string (for use by packagers)])],
[libguestfs_extra="$withval"],
[libguestfs_extra=]
)
AC_MSG_NOTICE([libguestfs version libguestfs_major.libguestfs_minor.libguestfs_release$libguestfs_extra])
dnl Split up the version string.
AC_DEFINE([PACKAGE_VERSION_MAJOR],[libguestfs_major],[Major version number.])
AC_DEFINE([PACKAGE_VERSION_MINOR],[libguestfs_minor],[Minor version number.])
AC_DEFINE([PACKAGE_VERSION_RELEASE],[libguestfs_release],[Release number.])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_EXTRA],["$libguestfs_extra"],[Extra version string.])
# Define $(SED).
m4_ifdef([AC_PROG_SED],[
AC_PROG_SED
],[
dnl ... else hope for the best
AC_SUBST([SED], "sed")
])
# Define $(AWK).
AC_PROG_AWK
dnl Early gnulib initialization.
gl_EARLY
gl_INIT
AC_PROG_LIBTOOL
AC_PROG_LN_S
dnl Define the host CPU architecture (defines 'host_cpu')
AC_CANONICAL_HOST
dnl Check for basic C environment.
AC_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_CPP
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror],
[turn GCC warnings into errors (for developers)])],
[case $enableval in
yes|no) ;;
*) AC_MSG_ERROR([bad value $enableval for werror option]) ;;
esac
gl_gcc_werror=$enableval],
[gl_gcc_werror=no]
)
if test "$gl_gcc_werror" = yes; then
gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
AC_SUBST([WERROR_CFLAGS])
fi
dnl This, $nw, is the list of warnings we disable.
nw=
nw="$nw -Waggregate-return" # anachronistic
nw="$nw -Wc++-compat" # We don't care about C++ compilers
nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
nw="$nw -Wtraditional" # Warns on #elif which we use often
nw="$nw -Wcast-qual" # Too many warnings for now
nw="$nw -Wconversion" # Too many warnings for now
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
nw="$nw -Wsign-conversion" # Not an error
nw="$nw -Wtraditional-conversion" # Don't care about pre-ANSI compilers
nw="$nw -Wpadded" # Our structs are not padded
nw="$nw -Wvla" # two warnings in mount.c
dnl things I might fix soon:
nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
nw="$nw -Winline" # daemon.h's asprintf_nowarn
nw="$nw -Wshadow" # numerous, plus we're not unanimous
nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
# was not possible, safe to ignore
nw="$nw -Wpacked" # Allow attribute((packed)) on structs
nw="$nw -Wlong-long" # Allow long long since it's required
# by Python, Ruby and xstrtoll.
nw="$nw -Wsuggest-attribute=pure" # Don't suggest pure functions.
nw="$nw -Wsuggest-attribute=const" # Don't suggest const functions.
nw="$nw -Wunsuffixed-float-constants" # Don't care about these.
nw="$nw -Wswitch-default" # This warning is actively dangerous.
nw="$nw -Woverlength-strings" # Who cares about stupid ISO C99 limit.
gl_MANYWARN_ALL_GCC([ws])
gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
for w in $ws; do
gl_WARN_ADD([$w])
done
dnl Normally we disable warnings in $nw above. However $nw only
dnl filters out exact matching warning strings from a list inside
dnl gnulib (see m4/manywarnings.m4). So we need to explicitly list a
dnl few disabled warnings below.
dnl Unused parameters are not a bug.
gl_WARN_ADD([-Wno-unused-parameter])
dnl Missing field initializers is not a bug in C.
gl_WARN_ADD([-Wno-missing-field-initializers])
dnl Display the name of the warning option with the warning.
gl_WARN_ADD([-fdiagnostics-show-option])
dnl Now some warnings we want to enable and/or customize ...
dnl Warn about large stack allocations. 10000 happens to be the
dnl same size as Coverity warns about.
gl_WARN_ADD([-Wframe-larger-than=10000])
AC_SUBST([WARN_CFLAGS])
AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
AC_DEFINE([GNULIB_PORTCHECK], [1], [Enable some gnulib portability checks.])
AH_VERBATIM([FORTIFY_SOURCE],[
/* Enable compile-time and run-time bounds-checking, and some warnings. */
#if __OPTIMIZE__ && (! defined (_FORTIFY_SOURCE) || _FORTIFY_SOURCE < 2)
# undef _FORTIFY_SOURCE
# define _FORTIFY_SOURCE 2
#endif])
AC_C_PROTOTYPES
test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
AM_PROG_CC_C_O
dnl Work out how to specify the linker script to the linker.
VERSION_SCRIPT_FLAGS=-Wl,--version-script=
`/usr/bin/ld --help 2>&1 | grep -- --version-script >/dev/null` || \
VERSION_SCRIPT_FLAGS="-Wl,-M -Wl,"
AC_SUBST(VERSION_SCRIPT_FLAGS)
dnl Use -fvisibility=hidden by default in the library.
dnl http://gcc.gnu.org/wiki/Visibility
AS_IF([test -n "$GCC"],
[AC_SUBST([GCC_VISIBILITY_HIDDEN], [-fvisibility=hidden])],
[AC_SUBST([GCC_VISIBILITY_HIDDEN], [:])])
dnl Check support for 64 bit file offsets.
AC_SYS_LARGEFILE
dnl Check sizeof long.
AC_CHECK_SIZEOF([long])
dnl Check if __attribute__((cleanup(...))) works.
dnl XXX It would be nice to use AC_COMPILE_IFELSE here, but gcc just
dnl emits a warning for attributes that it doesn't understand.
AC_MSG_CHECKING([if __attribute__((cleanup(...))) works with this compiler])
AC_RUN_IFELSE([
AC_LANG_SOURCE([[
#include <stdio.h>
#include <stdlib.h>
void
freep (void *ptr)
{
exit (EXIT_SUCCESS);
}
void
test (void)
{
__attribute__((cleanup(freep))) char *ptr = malloc (100);
}
int
main (int argc, char *argv[])
{
test ();
exit (EXIT_FAILURE);
}
]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE([HAVE_ATTRIBUTE_CLEANUP],[1],[Define to 1 if '__attribute__((cleanup(...)))' works with this compiler.])
],[
AC_MSG_WARN(
['__attribute__((cleanup(...)))' does not work.
You may not be using a sufficiently recent version of GCC or CLANG, or
you may be using a C compiler which does not support this attribute,
or the configure test may be wrong.
The code will still compile, but is likely to leak memory and other
resources when it runs.])])
dnl Check if dirent (readdir) supports d_type member.
AC_STRUCT_DIRENT_D_TYPE
dnl Check if stat has the required fields.
AC_STRUCT_ST_BLOCKS
AC_CHECK_MEMBER([struct stat.st_blksize],[
AC_DEFINE([HAVE_STRUCT_STAT_ST_BLKSIZE],[1],[Define to 1 if 'st_blksize' is a member of 'struct stat'.])])
AC_CHECK_MEMBER([struct stat.st_atim.tv_nsec],[
AC_DEFINE([HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC],[1],[Define to 1 if 'st_mtim.tv_nsec' is a member of 'struct stat'.])])
AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec],[
AC_DEFINE([HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC],[1],[Define to 1 if 'st_mtim.tv_nsec' is a member of 'struct stat'.])])
AC_CHECK_MEMBER([struct stat.st_ctim.tv_nsec],[
AC_DEFINE([HAVE_STRUCT_STAT_ST_CTIM_TV_NSEC],[1],[Define to 1 if 'st_mtim.tv_nsec' is a member of 'struct stat'.])])
dnl Define a C symbol for the host CPU architecture.
AC_DEFINE_UNQUOTED([host_cpu],["$host_cpu"],[Host architecture.])
dnl Check if libc has program_invocation_short_name.
AC_CHECK_DECLS([program_invocation_short_name], [], [], [#include <errno.h>])
dnl Headers.
AC_CHECK_HEADERS([\
attr/xattr.h \
byteswap.h \
endian.h \
errno.h \
linux/fs.h \
linux/raid/md_u.h \
printf.h \
sys/inotify.h \
sys/socket.h \
sys/statvfs.h \
sys/types.h \
sys/un.h \
sys/wait.h \
windows.h \
sys/xattr.h])
dnl Functions.
AC_CHECK_FUNCS([\
be32toh \
fsync \
futimens \
getxattr \
htonl \
htons \
inotify_init1 \
lgetxattr \
listxattr \
llistxattr \
lsetxattr \
lremovexattr \
mknod \
ntohl \
ntohs \
posix_fallocate \
posix_fadvise \
removexattr \
setitimer \
setxattr \
sigaction \
statvfs \
sync])
dnl tgetent, tputs and UP [sic] are all required. They come from libtinfo
dnl which is pulled in as a dependency of libncurses.
old_LIBS="$LIBS"
AC_CHECK_LIB([ncurses], [tgetent], [], [
AC_MSG_ERROR(['ncurses' library not found, or it doesn't contain 'tgetent'])
])
AC_CHECK_LIB([ncurses], [tputs], [], [
AC_MSG_ERROR(['ncurses' library not found, or it doesn't contain 'tputs'])
])
AC_CHECK_LIB([ncurses], [UP], [], [
AC_MSG_ERROR(['ncurses' library not found, or it doesn't contain 'UP'])
])
LIBS="$old_LIBS"
dnl GNU gettext tools (optional).
AC_CHECK_PROG([XGETTEXT],[xgettext],[xgettext],[no])
AC_CHECK_PROG([MSGCAT],[msgcat],[msgcat],[no])
AC_CHECK_PROG([MSGFMT],[msgfmt],[msgfmt],[no])
AC_CHECK_PROG([MSGMERGE],[msgmerge],[msgmerge],[no])
dnl Check they are the GNU gettext tools.
AC_MSG_CHECKING([msgfmt is GNU tool])
if $MSGFMT --version >/dev/null 2>&1 && $MSGFMT --version | grep -q 'GNU gettext'; then
msgfmt_is_gnu=yes
else
msgfmt_is_gnu=no
fi
AC_MSG_RESULT([$msgfmt_is_gnu])
AM_CONDITIONAL([HAVE_GNU_GETTEXT],
[test "x$XGETTEXT" != "xno" && test "x$MSGCAT" != "xno" && test "x$MSGFMT" != "xno" && test "x$MSGMERGE" != "xno" && test "x$msgfmt_is_gnu" != "xno"])
dnl Default backend.
AC_MSG_CHECKING([if the user specified a default backend])
AC_ARG_WITH([default-backend],
[AS_HELP_STRING([--with-default-backend="direct|libvirt|..."],
[set default backend @<:@default=direct@:>@])],
[DEFAULT_BACKEND="$withval"],
[DEFAULT_BACKEND=direct])
AC_MSG_RESULT([$DEFAULT_BACKEND])
AC_DEFINE_UNQUOTED([DEFAULT_BACKEND],["$DEFAULT_BACKEND"],
[Default backend.])
dnl Fail with error if user does --with-default-attach-method.
AC_ARG_WITH([default-attach-method],
[AS_HELP_STRING([--with-default-attach-method="..."],
[use --with-default-backend instead])],
[AC_MSG_FAILURE([--with-default-attach-method no longer works in
this version of libguestfs, use
./configure --with-default-backend=$withval
instead.])])
dnl Build the daemon?
AC_MSG_CHECKING([if we should build the daemon])
AC_ARG_ENABLE([daemon],
[AS_HELP_STRING([--enable-daemon],
[enable building the daemon @<:@default=yes@:>@])],
[],
[enable_daemon=yes])
AM_CONDITIONAL([ENABLE_DAEMON],[test "x$enable_daemon" = "xyes"])
AC_MSG_RESULT([$enable_daemon])
if test "x$enable_daemon" = "xyes"; then
dnl Install the daemon (for libguestfs live service)
AC_MSG_CHECKING([if we should install the daemon])
AC_ARG_ENABLE([install-daemon],
[AS_HELP_STRING([--enable-install-daemon],
[enable installing the daemon under $sbindir @<:@default=no@:>@])],
[],
[enable_install_daemon=no])
AC_MSG_RESULT([$enable_install_daemon])
dnl Enable valgrind in the daemon.
AC_MSG_CHECKING([if we should run the daemon under valgrind])
AC_ARG_ENABLE([valgrind-daemon],
[AS_HELP_STRING([--enable-valgrind-daemon],
[run the daemon under valgrind (developers only) @<:@default=no@:>@])],
[],
[enable_valgrind_daemon=no])
AC_MSG_RESULT([$enable_valgrind_daemon])
if test "x$enable_valgrind_daemon" = "xyes"; then
AC_DEFINE([VALGRIND_DAEMON],[1],[Define to 1 to run the daemon under valgrind.])
fi
dnl Which directory should we put the daemon in? NOTE: This
dnl is the "virtual" directory inside the appliance, not the
dnl install directory for libguestfs live. Since Fedora 17
dnl /sbin is a symlink to /usr/sbin. We have to put the
dnl daemon into a real (non-symlink) directory.
dirs="/sbin /usr/sbin /bin /usr/bin"
AC_MSG_CHECKING([which of $dirs is a real directory])
for dir in $dirs; do
parent=`dirname $dir`
if test ! -L $parent && test -d $parent \
&& test ! -L $dir && test -d $dir
then
DAEMON_SUPERMIN_DIR=$dir
break
fi
done
if test "x$DAEMON_SUPERMIN_DIR" = "x"; then
AC_MSG_ERROR([non-symlink binary directory not found])
fi
AC_MSG_RESULT([$DAEMON_SUPERMIN_DIR])
AC_SUBST([DAEMON_SUPERMIN_DIR])
dnl For modified printf in the daemon, we need glibc either (old-style)
dnl register_printf_function or (new-style) register_printf_specifier.
AC_CHECK_FUNC([register_printf_specifier],[
AC_DEFINE([HAVE_REGISTER_PRINTF_SPECIFIER],[1],
[Define to 1 if you have new-style register_printf_specifier.])
],[
AC_CHECK_FUNC([register_printf_function],[
AC_DEFINE([HAVE_REGISTER_PRINTF_FUNCTION],[1],
[Define to 1 if you have old-style register_printf_function.])
],[
AC_MSG_FAILURE(
[No support for glibc-style extended printf formatters.
This means you either have a very old glibc (pre-2.0) or you
are using some other libc where this is not supported.])])])
fi
AM_CONDITIONAL([INSTALL_DAEMON],[test "x$enable_install_daemon" = "xyes"])
AM_CONDITIONAL([VALGRIND_DAEMON],[test "x$enable_valgrind_daemon" = "xyes"])
dnl Build the appliance?
AC_MSG_CHECKING([if we should build the appliance])
AC_ARG_ENABLE([appliance],
[AS_HELP_STRING([--enable-appliance],
[enable building the appliance @<:@default=yes@:>@])],
[ENABLE_APPLIANCE="$enableval"],
[ENABLE_APPLIANCE=yes])
AM_CONDITIONAL([ENABLE_APPLIANCE],[test "x$ENABLE_APPLIANCE" = "xyes"])
AC_MSG_RESULT([$ENABLE_APPLIANCE])
AC_SUBST([ENABLE_APPLIANCE])
if test "x$enable_daemon" != "xyes" && test "x$ENABLE_APPLIANCE" = "xyes" ; then
AC_MSG_FAILURE([conflicting ./configure arguments: if you --disable-daemon
then you have to --disable-appliance as well, since the appliance contains
the daemon inside it.])
fi
dnl Check for supermin >= 5.1.0.
AC_PATH_PROG([SUPERMIN],[supermin],[no])
dnl Pass supermin --packager-config option.
SUPERMIN_PACKAGER_CONFIG=no
AC_MSG_CHECKING([for --with-supermin-packager-config option])
AC_ARG_WITH([supermin-packager-config],
[AS_HELP_STRING([--with-supermin-packager-config=FILE],
[pass supermin --packager-config option @<:@default=no@:>@])],
[SUPERMIN_PACKAGER_CONFIG="$withval"
AC_MSG_RESULT([$SUPERMIN_PACKAGER_CONFIG"])],
[AC_MSG_RESULT([not set])])
AC_SUBST([SUPERMIN_PACKAGER_CONFIG])
dnl Pass additional supermin options.
dnl
SUPERMIN_EXTRA_OPTIONS=no
AC_MSG_CHECKING([for --with-supermin-extra-options option])
AC_ARG_WITH([supermin-extra-options],
[AS_HELP_STRING([--with-supermin-extra-options="--opt1 --opt2 ..."],
[Pass additional supermin options. @<:@default=no@:>@])],
[SUPERMIN_EXTRA_OPTIONS="$withval"
AC_MSG_RESULT([$SUPERMIN_EXTRA_OPTIONS"])],
[AC_MSG_RESULT([not set])])
AC_SUBST([SUPERMIN_EXTRA_OPTIONS])
if test "x$ENABLE_APPLIANCE" = "xyes"; then
supermin_major_min=5
supermin_minor_min=1
supermin_min=$supermin_major_min.$supermin_minor_min
test "x$SUPERMIN" = "xno" &&
AC_MSG_ERROR([supermin >= $supermin_min must be installed])
AC_MSG_CHECKING([supermin is new enough])
$SUPERMIN --version >&AS_MESSAGE_LOG_FD 2>&1 ||
AC_MSG_ERROR([supermin >= $supermin_min must be installed, your version is too old])
supermin_major="`$SUPERMIN --version | $AWK '{print $2}' | $AWK -F. '{print $1}'`"
supermin_minor="`$SUPERMIN --version | $AWK '{print $2}' | $AWK -F. '{print $2}'`"
AC_MSG_RESULT([$supermin_major.$supermin_minor])
if test "$supermin_major" -lt "$supermin_major_min" || \
( test "$supermin_major" -eq "$supermin_major_min" && test "$supermin_minor" -lt "$supermin_minor_min" ); then
AC_MSG_ERROR([supermin >= $supermin_min must be installed, your version is too old])
fi
fi
AC_DEFINE_UNQUOTED([SUPERMIN],["$SUPERMIN"],[Name of supermin program])
dnl Which distro?
dnl
dnl This used to be Very Important but is now just used to select
dnl which packages to install in the appliance, since the package
dnl names vary slightly across distros. (See
dnl appliance/packagelist.in, appliance/excludefiles.in,
dnl appliance/hostfiles.in)
AC_MSG_CHECKING([which Linux distro for package names])
DISTRO=REDHAT
if test -f /etc/debian_version; then
DISTRO=DEBIAN
if grep -q 'DISTRIB_ID=Ubuntu' /etc/lsb-release 2>&AS_MESSAGE_LOG_FD; then
DISTRO=UBUNTU
fi
fi
if test -f /etc/arch-release; then
DISTRO=ARCHLINUX
fi
if test -f /etc/SuSE-release; then
DISTRO=SUSE
fi
if test -f /etc/frugalware-release; then
DISTRO=FRUGALWARE
fi
if test -f /etc/mageia-release; then
DISTRO=MAGEIA
fi
AC_MSG_RESULT([$DISTRO])
AC_SUBST([DISTRO])
dnl Add extra packages to the appliance.
AC_ARG_WITH([extra-packages],
[AS_HELP_STRING([--with-extra-packages="pkg1 pkg2 ..."],
[add extra packages to the appliance])],
[EXTRA_PACKAGES="$withval"],
[EXTRA_PACKAGES=])
AC_SUBST([EXTRA_PACKAGES])
dnl Check for rpcgen and XDR library. rpcgen is optional.
AC_CHECK_PROG([RPCGEN],[rpcgen],[rpcgen],[no])
AM_CONDITIONAL([HAVE_RPCGEN],[test "x$RPCGEN" != "xno"])
AC_CHECK_LIB([portablexdr],[xdrmem_create],[],[
AC_SEARCH_LIBS([xdrmem_create],[rpc xdr nsl])
])
AC_SEARCH_LIBS([xdr_u_int64_t],[portablexdr rpc xdr nsl],[
AC_DEFINE([HAVE_XDR_U_INT64_T],[1],[Define to 1 if xdr_u_int64_t() exists.])
])
AC_SEARCH_LIBS([xdr_uint64_t],[portablexdr rpc xdr nsl],[
AC_DEFINE([HAVE_XDR_UINT64_T],[1],[Define to 1 if xdr_uint64_t() exists.])
])
AM_CONDITIONAL([HAVE_XDR_U_INT64_T],
[test "x$ac_cv_search_xdr_u_int64_t" != "xno"])
AM_CONDITIONAL([HAVE_XDR_UINT64_T],
[test "x$ac_cv_search_xdr_uint64_t" != "xno"])
dnl Check for libselinux (optional).
AC_CHECK_HEADERS([selinux/selinux.h])
AC_CHECK_LIB([selinux],[setexeccon],[
have_libselinux="$ac_cv_header_selinux_selinux_h"
SELINUX_LIBS="-lselinux"
old_LIBS="$LIBS"
LIBS="$LIBS $SELINUX_LIBS"
AC_CHECK_FUNCS([setcon getcon])
LIBS="$old_LIBS"
],[have_libselinux=no])
if test "x$have_libselinux" = "xyes"; then
AC_DEFINE([HAVE_LIBSELINUX],[1],[Define to 1 if you have libselinux.])
fi
AC_SUBST([SELINUX_LIBS])
dnl Check for systemtap/DTrace userspace probes (optional).
dnl Since the probe points break under clang, allow this to be disabled.
AC_ARG_ENABLE([probes],
AS_HELP_STRING([--disable-probes], [disable systemtap/DTrace userspace probes]),
[],
[enable_probes=yes])
AS_IF([test "x$enable_probes" != "xno"],[
dnl http://sourceware.org/systemtap/wiki/AddingUserSpaceProbingToApps
AC_CHECK_HEADERS([sys/sdt.h])
dnl AC_CHECK_PROG([DTRACE],[dtrace],[dtrace],[no])
AS_IF([test "x$ac_cv_header_sys_sdt_h" = "xyes"],[
AC_DEFINE([ENABLE_PROBES],[1],[Enable systemtap/DTrace userspace probes.])
])
])
dnl Check for cpio which isn't in the default Pardus install amazingly.
AC_CHECK_PROG([CPIO],[cpio],[cpio],[no])
test "x$CPIO" = "xno" &&
AC_MSG_ERROR([cpio must be installed])
dnl Check for gperf.
AC_CHECK_PROG([GPERF],[gperf],[gperf],[no])
test "x$GPERF" = "xno" &&
AC_MSG_ERROR([gperf must be installed])
dnl Check for perl.
AC_CHECK_PROG([PERL],[perl],[perl],[no])
test "x$PERL" = "xno" &&
AC_MSG_ERROR([perl must be installed])
dnl Check for Pod::Man, Pod::Simple.
AC_MSG_CHECKING([for Pod::Man])
if ! $PERL -MPod::Man -e1 >&AS_MESSAGE_LOG_FD 2>&1; then
AC_MSG_ERROR([perl Pod::Man must be installed])
else
AC_MSG_RESULT([yes])
fi
AC_MSG_CHECKING([for Pod::Simple])
if ! $PERL -MPod::Simple -e1 >&AS_MESSAGE_LOG_FD 2>&1; then
AC_MSG_ERROR([perl Pod::Simple must be installed])
else
AC_MSG_RESULT([yes])
fi
dnl Define the path to the podwrapper program.
PODWRAPPER="$PERL $(pwd)/podwrapper.pl"
AC_SUBST([PODWRAPPER])
dnl Check for genisoimage/mkisofs
AC_PATH_PROGS([GENISOIMAGE],[genisoimage mkisofs],[no],
[$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
test "x$GENISOIMAGE" = "xno" && AC_MSG_ERROR([genisoimage must be installed])
dnl Check for optional xmllint.
AC_CHECK_PROG([XMLLINT],[xmllint],[xmllint],[no])
AM_CONDITIONAL([HAVE_XMLLINT],[test "x$XMLLINT" != "xno"])
dnl po4a for translating man pages and POD files (optional).
AC_CHECK_PROG([PO4A],[po4a],[po4a],[no])
AM_CONDITIONAL([HAVE_PO4A], [test "x$PO4A" != "xno"])
dnl Check for db_dump, db_load (optional).
AC_PATH_PROGS([DB_DUMP],
[db_dump db5.1_dump db4_dump db4.8_dump db4.7_dump db4.6_dump],[no])
AC_PATH_PROGS([DB_LOAD],
[db_load db5.1_load db4_load db4.8_load db4.7_load db4.6_load],[no])
if test "x$DB_DUMP" != "xno"; then
AC_DEFINE_UNQUOTED([DB_DUMP],["$DB_DUMP"],[Name of db_dump program.])
fi
if test "x$DB_LOAD" != "xno"; then
AC_DEFINE_UNQUOTED([DB_LOAD],["$DB_LOAD"],[Name of db_load program.])
fi
dnl Check for netpbm programs (optional).
AC_PATH_PROGS([PBMTEXT],[pbmtext],[no])
AC_PATH_PROGS([PNMTOPNG],[pnmtopng],[no])
AC_PATH_PROGS([BMPTOPNM],[bmptopnm],[no])
AC_PATH_PROGS([PAMCUT],[pamcut],[no])
if test "x$PBMTEXT" != "xno"; then
AC_DEFINE_UNQUOTED([PBMTEXT],["$PBMTEXT"],[Name of pbmtext program.])
fi
if test "x$PNMTOPNG" != "xno"; then
AC_DEFINE_UNQUOTED([PNMTOPNG],["$PNMTOPNG"],[Name of pnmtopng program.])
fi
if test "x$BMPTOPNM" != "xno"; then
AC_DEFINE_UNQUOTED([BMPTOPNM],["$BMPTOPNM"],[Name of bmptopnm program.])
fi
if test "x$PAMCUT" != "xno"; then
AC_DEFINE_UNQUOTED([PAMCUT],["$PAMCUT"],[Name of pamcut program.])
fi
dnl Check for icoutils (optional).
AC_PATH_PROGS([WRESTOOL],[wrestool],[no])
if test "x$WRESTOOL" != "xno"; then
AC_DEFINE_UNQUOTED([WRESTOOL],["$WRESTOOL"],[Name of wrestool program.])
fi
dnl Check for xzcat (required).
AC_PATH_PROGS([XZCAT],[xzcat],[no])
test "x$XZCAT" = "xno" && AC_MSG_ERROR([xzcat must be installed])
AC_DEFINE_UNQUOTED([XZCAT],["$XZCAT"],[Name of xzcat program.])
dnl liblzma can be used by virt-builder (optional).
PKG_CHECK_MODULES([LIBLZMA], [liblzma], [
AC_SUBST([LIBLZMA_CFLAGS])
AC_SUBST([LIBLZMA_LIBS])
AC_DEFINE([HAVE_LIBLZMA],[1],[liblzma found at compile time.])
dnl Old lzma in RHEL 6 didn't have some APIs we need.
old_LIBS="$LIBS"
LIBS="$LIBS $LIBLZMA_LIBS"
AC_CHECK_FUNCS([lzma_index_stream_flags lzma_index_stream_padding])
LIBS="$old_LIBS"
],
[AC_MSG_WARN([liblzma not found, virt-builder will be slower])])
dnl (f)lex and bison for virt-builder (required).
dnl XXX Could be optional with some work.
AC_PROG_LEX
AC_PROG_YACC
dnl These macros don't fail, instead they set some useless defaults.
if test "x$LEX" = "x:"; then
AC_MSG_FAILURE([GNU 'flex' is required.])
fi
if test "x$YACC" = "xyacc"; then
AC_MSG_FAILURE([GNU 'bison' is required (yacc won't work).])
fi
dnl zip/unzip, used by virt-v2v
AC_PATH_PROGS([ZIP],[zip],[no])
AC_DEFINE_UNQUOTED([ZIP],["$ZIP"],[Name of zip program.])
AM_CONDITIONAL([HAVE_ZIP],[test "x$ZIP" != "xno"])
AC_PATH_PROGS([UNZIP],[unzip],[no])
AC_DEFINE_UNQUOTED([UNZIP],["$UNZIP"],[Name of unzip program.])
dnl Check for QEMU for running binaries on this $host_cpu, fall
dnl back to basic 'qemu'. Allow the user to override it.
qemu_system="$(
echo qemu-system-$host_cpu |
$SED -e 's/-i@<:@456@:>@86/-i386/g' \
-e 's/-arm.*/-arm/g'
)"
default_qemu="qemu-kvm kvm $qemu_system qemu"
AC_ARG_WITH([qemu],
[AS_HELP_STRING([--with-qemu="bin1 bin2 ..."],
[set default QEMU binary @<:@default="[qemu-kvm] qemu-system-<host> qemu"@:>@])],
dnl --with-qemu or --without-qemu:
[],
dnl neither option was given:
[with_qemu="$default_qemu"]
)
AS_IF([test "x$with_qemu" = "xno"],[
AC_MSG_WARN([qemu was disabled, libguestfs may not work at all])
QEMU=no
],[
AC_PATH_PROGS([QEMU],[$with_qemu],[no],
[$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin$PATH_SEPARATOR/usr/libexec])
test "x$QEMU" = "xno" && AC_MSG_ERROR([qemu must be installed])
AC_DEFINE_UNQUOTED([QEMU],["$QEMU"],[Location of qemu binary.])
dnl Does the user wish to specify -M, -cpu or other qemu options?
AC_MSG_CHECKING([if the user specified extra options for qemu command line])
AC_ARG_WITH([qemu-options],
[AS_HELP_STRING([--with-qemu-options="-M ... -cpu ... etc"],
[pass extra options for qemu command line @<:@default=no@:>@])],
[QEMU_OPTIONS="$withval"],
[QEMU_OPTIONS=no])
AS_IF([test "x$QEMU_OPTIONS" = "xno"],[
AC_MSG_RESULT([no])
QEMU_OPTIONS=
],[
AC_MSG_RESULT([$QEMU_OPTIONS])
])
AC_DEFINE_UNQUOTED([QEMU_OPTIONS],["$QEMU_OPTIONS"],
[Extra options for qemu command line.])
dnl Check that the chosen qemu has virtio-serial support.
dnl For historical reasons this can be disabled by setting
dnl vmchannel_test=no.
if test "x$vmchannel_test" != "xno"; then
AC_MSG_CHECKING([that $QEMU -help works])
if $QEMU -help >&AS_MESSAGE_LOG_FD 2>&1; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE(
[$QEMU -help: command failed.
This could be a very old version of qemu, or qemu might not be
working.
])
fi
AC_MSG_CHECKING([that $QEMU -version works])
if $QEMU -version >&AS_MESSAGE_LOG_FD 2>&1; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE(
[$QEMU -version: command failed.
This could be a very old version of qemu, or qemu might not be
working.
])
fi
AC_MSG_CHECKING([for $QEMU version >= 1])
if $QEMU -version | grep -sq 'version @<:@1-9@:>@'; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE([$QEMU version must be >= 1.0.])
fi
dnl Unfortunately $QEMU -device \? won't just work. We probably
dnl need to add a cocktail of different arguments which differ
dnl on the various emulators. Thanks, qemu.
AC_MSG_CHECKING([what extra options we need to use for qemu feature tests])
QEMU_OPTIONS_FOR_CONFIGURE=
# Note: the order we test these matters.
for opt in "-machine virt" "-machine accel=kvm:tcg" "-display none"; do
if $QEMU $QEMU_OPTIONS_FOR_CONFIGURE $opt -device \? >&AS_MESSAGE_LOG_FD 2>&1; then
QEMU_OPTIONS_FOR_CONFIGURE="$QEMU_OPTIONS_FOR_CONFIGURE $opt"
fi
done
AC_MSG_RESULT([$QEMU_OPTIONS_FOR_CONFIGURE])
AC_MSG_CHECKING([that $QEMU $QEMU_OPTIONS_FOR_CONFIGURE -device ? works])
if $QEMU $QEMU_OPTIONS_FOR_CONFIGURE -device \? >&AS_MESSAGE_LOG_FD 2>&1; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE([$QEMU $QEMU_OPTIONS_FOR_CONFIGURE -device ? doesn't work.])
fi
AC_MSG_CHECKING([for virtio-serial support in $QEMU])
if $QEMU $QEMU_OPTIONS_FOR_CONFIGURE -device \? 2>&1 | grep -sq virtio-serial; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE(
[I did not find virtio-serial support in
$QEMU.
virtio-serial support in qemu or KVM is essential for libguestfs
to operate.
Usually this means that you have to install a newer version of qemu
and/or KVM. Please read the relevant section in the README file for
more information about this.
You can override this test by setting the environment variable
vmchannel_test=no
However if you don't have the right support in your qemu, then this
just delays the pain.
If I am using the wrong qemu or you want to compile qemu from source
and install it in another location, then you should configure with
the --with-qemu option.
])
fi
fi
])
dnl Enable packet dumps when in verbose mode. This generates lots
dnl of debug info, only useful for people debugging the RPC mechanism.
AC_ARG_ENABLE([packet-dump],[
AS_HELP_STRING([--enable-packet-dump],
[enable packet dumps in verbose mode @<:@default=no@:>@])],
[AC_DEFINE([ENABLE_PACKET_DUMP],[1],[Enable packet dumps in verbose mode.])],
[])
dnl Readline.
AC_ARG_WITH([readline],[
AS_HELP_STRING([--with-readline],
[support fancy command line editing @<:@default=check@:>@])],
[],
[with_readline=check])
LIBREADLINE=
AS_IF([test "x$with_readline" != xno],[
AC_CHECK_LIB([readline], [main],
[AC_SUBST([LIBREADLINE], ["-lreadline -lncurses"])
AC_DEFINE([HAVE_LIBREADLINE], [1],
[Define if you have libreadline.])
],
[if test "x$with_readline" != xcheck; then
AC_MSG_FAILURE(
[--with-readline was given, but test for readline failed])
fi
], -lncurses)
old_LIBS="$LIBS"
LIBS="$LIBS $LIBREADLINE"
AC_CHECK_FUNCS([append_history completion_matches rl_completion_matches])
LIBS="$old_LIBS"
])
dnl Check for PCRE (required)
PKG_CHECK_MODULES([PCRE], [libpcre])
dnl Check for Augeas >= 1.0.0 (required).
PKG_CHECK_MODULES([AUGEAS],[augeas >= 1.0.0])
dnl libmagic (highly recommended)
AC_CHECK_LIB([magic],[magic_file],[
AC_CHECK_HEADER([magic.h],[
AC_SUBST([MAGIC_LIBS], ["-lmagic"])
AC_DEFINE([HAVE_LIBMAGIC],[1],[libmagic found at compile time.])
], [])
],[AC_MSG_WARN([libmagic not found, some core features will be disabled])])
dnl POSIX acl library (highly recommended)
AC_CHECK_LIB([acl],[acl_from_text],[
AC_CHECK_HEADER([sys/acl.h],[
AC_SUBST([ACL_LIBS], [-lacl])
AC_DEFINE([HAVE_ACL], [1], [Define to 1 if the POSIX acl library is available.])
], [])
],[AC_MSG_WARN([POSIX acl library not found])])
dnl Linux capabilities library (libcap) (highly recommended)
AC_CHECK_LIB([cap],[cap_from_text],[
AC_CHECK_HEADER([sys/capability.h],[
AC_SUBST([CAP_LIBS], [-lcap])
AC_DEFINE([HAVE_CAP], [1], [Define to 1 if the Linux capabilities library (libcap) is available.])
], [])
],[AC_MSG_WARN([Linux capabilities library (libcap) not found])])
dnl libvirt (highly recommended)
AC_ARG_WITH([libvirt],[
AS_HELP_STRING([--without-libvirt],
[disable libvirt support @<:@default=check@:>@])],
[],
[with_libvirt=check])
AS_IF([test "$with_libvirt" != "no"],[
PKG_CHECK_MODULES([LIBVIRT], [libvirt],[
AC_SUBST([LIBVIRT_CFLAGS])
AC_SUBST([LIBVIRT_LIBS])
AC_DEFINE([HAVE_LIBVIRT],[1],[libvirt found at compile time.])
],
[AC_MSG_WARN([libvirt not found, some core features will be disabled])])
])
AM_CONDITIONAL([HAVE_LIBVIRT],[test "x$LIBVIRT_LIBS" != "x"])
libvirt_ro_uri='qemu+unix:///system?socket=/var/run/libvirt/libvirt-sock-ro'
AC_SUBST([libvirt_ro_uri])
dnl libxml2 (required)
PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
old_LIBS="$LIBS"
LIBS="$LIBS $LIBXML2_LIBS"
AC_CHECK_FUNCS([xmlBufferDetach])
LIBS="$old_LIBS"
dnl libconfig (highly recommended)
PKG_CHECK_MODULES([LIBCONFIG], [libconfig],[
AC_SUBST([LIBCONFIG_CFLAGS])
AC_SUBST([LIBCONFIG_LIBS])
AC_DEFINE([HAVE_LIBCONFIG],[1],[libconfig found at compile time.])
],
[AC_MSG_WARN([libconfig not found, some features will be disabled])])
AM_CONDITIONAL([HAVE_LIBCONFIG],[test "x$LIBCONFIG_LIBS" != "x"])
dnl Check for gtk2 library, used by virt-p2v.
PKG_CHECK_MODULES([GTK2], [gtk+-2.0], [
AC_SUBST([GTK2_CFLAGS])
AC_SUBST([GTK2_LIBS])
],
[AC_MSG_WARN([gtk2 not found, virt-p2v will be disabled])])
dnl Can we build virt-p2v?
AM_CONDITIONAL([HAVE_P2V], [test "x$GTK2_LIBS" != "x"])
dnl hivex library (highly recommended)
dnl This used to be a part of libguestfs, but was spun off into its
dnl own separate upstream project in libguestfs 1.0.85.
PKG_CHECK_MODULES([HIVEX], [hivex],[
AC_SUBST([HIVEX_CFLAGS])
AC_SUBST([HIVEX_LIBS])
AC_DEFINE([HAVE_HIVEX],[1],[hivex library found at compile time.])
],
[AC_MSG_WARN([hivex not found, some core features will be disabled])])
AM_CONDITIONAL([HAVE_HIVEX],[test "x$HIVEX_LIBS" != "x"])
dnl systemd journal library (optional)
PKG_CHECK_MODULES([SD_JOURNAL], [libsystemd-journal >= 196],[
AC_SUBST([SD_JOURNAL_CFLAGS])
AC_SUBST([SD_JOURNAL_LIBS])
AC_DEFINE([HAVE_SD_JOURNAL],[1],[systemd journal library found at compile time.])
],
[AC_MSG_WARN([systemd journal library not found, some features will be disabled])])
dnl FUSE is optional to build the FUSE module.
AC_ARG_ENABLE([fuse],
AS_HELP_STRING([--disable-fuse], [disable FUSE (guestmount) support]),
[],
[enable_fuse=yes])
AS_IF([test "x$enable_fuse" != "xno"],[
PKG_CHECK_MODULES([FUSE],[fuse],[
AC_SUBST([FUSE_CFLAGS])
AC_SUBST([FUSE_LIBS])
AC_DEFINE([HAVE_FUSE],[1],[Define to 1 if you have FUSE.])
old_LIBS="$LIBS"
LIBS="$FUSE_LIBS $LIBS"