OCaml example: graphical disk usage viewer.
[libguestfs.git] / configure.ac
index baa8de1..d3c3e19 100644 (file)
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-AC_INIT([libguestfs],[0.8])
-AM_INIT_AUTOMAKE
+# major/minor/release must be numbers
+m4_define([libguestfs_major],   [1])
+m4_define([libguestfs_minor],   [0])
+m4_define([libguestfs_release], [72])
+# extra can be any string
+m4_define([libguestfs_extra],   [])
+
+AC_INIT([libguestfs],libguestfs_major.libguestfs_minor.libguestfs_release[]libguestfs_extra)
+AC_CONFIG_AUX_DIR([build-aux])
+AM_INIT_AUTOMAKE([foreign])
+
+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 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([PACKAGE_VERSION_EXTRA],["libguestfs_extra"],[Extra version string])
+
+gl_EARLY
+gl_INIT
+
 AC_PROG_LIBTOOL
 
 dnl Check for basic C environment.
-AC_PROG_CC
+AC_PROG_CC_STDC
 AC_PROG_INSTALL
 AC_PROG_CPP
 
+AC_ARG_ENABLE([gcc-warnings],
+  [AS_HELP_STRING([--enable-gcc-warnings],
+                  [turn on lots of GCC warnings (for developers)])],
+  [case $enableval in
+     yes|no) ;;
+     *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
+   esac
+   gl_gcc_warnings=$enableval],
+  [gl_gcc_warnings=no]
+)
+
+if test "$gl_gcc_warnings" = yes; then
+  gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
+  AC_SUBST([WERROR_CFLAGS])
+
+  nw=
+  # This, $nw, is the list of warnings we disable.
+  nw="$nw -Wdeclaration-after-statement" # too useful to forbid
+  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"        # Too many warnings for now
+  nw="$nw -Wtraditional-conversion" # Too many warnings for now
+  nw="$nw -Wunreachable-code"       # Too many warnings for now
+  nw="$nw -Wpadded"                 # Our structs are not padded
+  nw="$nw -Wredundant-decls"        # openat.h declares e.g., mkdirat
+  nw="$nw -Wlogical-op"             # any use of fwrite provokes this
+  nw="$nw -Wvla"                    # two warnings in mount.c
+  # things I might fix soon:
+  nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
+  nw="$nw -Winline"                 # daemon.h's asprintf_nowarn
+  nw="$nw -Wshadow"                 # numerous, plus we're not unanimous
+  # ?? -Wstrict-overflow
+  nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
+                                    # was not possible, safe to ignore
+
+  gl_MANYWARN_ALL_GCC([ws])
+  gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
+  for w in $ws; do
+    gl_WARN_ADD([$w])
+  done
+  gl_WARN_ADD([-Wno-unused-parameter]) # stubs.c
+  gl_WARN_ADD([-Wno-jump-misses-init]) # stubs.c
+  gl_WARN_ADD([-Wno-unused-variable]) # FIXME: only temporary, for guestfs_protocol.c, etc
+
+  # In spite of excluding -Wlogical-op above, it is enabled, as of
+  # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
+  gl_WARN_ADD([-Wno-logical-op])
+
+  gl_WARN_ADD([-fdiagnostics-show-option])
+
+  AC_SUBST([WARN_CFLAGS])
+
+  AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
+  AC_DEFINE([_FORTIFY_SOURCE], [2],
+    [enable compile-time and run-time bounds-checking, and some warnings])
+  AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
+fi
+
 AC_C_PROTOTYPES
 test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
 
@@ -35,6 +118,9 @@ AM_PROG_CC_C_O
 dnl Check support for 64 bit file offsets.
 AC_SYS_LARGEFILE
 
+dnl Check sizeof long.
+AC_CHECK_SIZEOF([long])
+
 dnl Headers.
 AC_CHECK_HEADERS([errno.h sys/types.h sys/un.h sys/wait.h sys/socket.h])
 
@@ -42,8 +128,8 @@ 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([xdrmem_create],[rpc xdr nsl])
+        ])
 
 dnl Check for pod2man and pod2text.
 AC_CHECK_PROG([POD2MAN],[pod2man],[pod2man],[no])
@@ -53,93 +139,626 @@ AC_CHECK_PROG([POD2TEXT],[pod2text],[pod2text],[no])
 test "x$POD2TEXT" = "xno" &&
      AC_MSG_ERROR([pod2text must be installed])
 
+dnl Check for mkisofs.
+AC_PATH_PROGS([MKISOFS],[mkisofs],[no],
+        [$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
+test "x$MKISOFS" = "xno" && AC_MSG_ERROR([mkisofs must be installed])
+
 dnl Check for QEMU for running binaries on this $host_cpu, fall
-dnl back to basic 'qemu'.
-AC_PATH_PROGS([QEMU],[qemu-system-$host_cpu qemu],[no],
-       [$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
+dnl back to basic 'qemu'.  Allow the user to override it.
+default_qemu="qemu-kvm qemu-system-$host_cpu qemu"
+AC_ARG_WITH([qemu],
+        [AS_HELP_STRING([--with-qemu],
+          [set default QEMU binary @<:@default=[qemu-kvm] qemu-system-<host> qemu@:>@])],
+        [],
+        [with_qemu="$default_qemu"])
+AC_PATH_PROGS([QEMU],[$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 Check that the chosen qemu has vmchannel support or we can
+dnl fallback to null vmchannel (still using SLIRP).  See the
+dnl discussion in the README file.
+if test "x$vmchannel_test" != "xno"; then
+    AC_MSG_CHECKING([for guestfwd support in $QEMU])
+    if $QEMU --help | grep -sq guestfwd; then
+        AC_MSG_RESULT([yes])
+        vmchannel_guestfwd=guestfwd
+    else
+        AC_MSG_RESULT([no])
+        # Note that this test must be conditional on the previous
+        # test failing.  This is because recent qemu will throw
+        # up an SDL window and hang if we try to run this test.
+        AC_MSG_CHECKING([for "-net channel" (old guestfwd) support in $QEMU])
+        vmchannelout=`$QEMU -net channel /dev/zero 2>&1 ||:`
+        echo "vmchannel test command output: $vmchannelout" >&AS_MESSAGE_LOG_FD
+        if echo "$vmchannelout" | grep -sq "vmchannel wrong port number" ; then
+            AC_MSG_RESULT([yes])
+            vmchannel_guestfwd=net_channel
+        else
+            AC_MSG_RESULT([no])
+            vmchannel_guestfwd=no
+        fi
+    fi
+
+    AC_MSG_CHECKING([for "-net user" (user mode network) support in $QEMU])
+    if $QEMU --help | grep -sq -- "-net user"; then
+        AC_MSG_RESULT([yes])
+        vmchannel_net_user=yes
+    else
+        AC_MSG_RESULT([no])
+        vmchannel_net_user=no
+    fi
+
+    if test "x$vmchannel_net_user" = "xno" -a "x$vmchannel_guestfwd" = "xno"; then
+        AC_MSG_FAILURE(
+[I did not find user mode network or vmchannel support in
+$QEMU.
+
+Either user mode networking or vmchannel support is vital for
+libguestfs to operate.
+
+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 Set drive interface used by the guestfs_add_drive{,_ro} calls
+dnl ('-drive ...,if=...' option to qemu).
+dnl
+dnl NB. We will change the default in future to virtio, but at the
+dnl moment this causes a performance problem, RHBZ#509383.
+AC_ARG_WITH([drive-if],
+        [AS_HELP_STRING([--with-drive-if],
+          [set default driver (ide|scsi|virtio) @<:@default=ide@:>@])],
+        [],
+        [with_drive_if=ide])
+AC_DEFINE_UNQUOTED([DRIVE_IF],["$with_drive_if"],[Default drive interface.])
+
+dnl Set interface used by the network.  Normally you should
+dnl leave this at the default (virtio) but you can use the
+dnl alternative (ne2k_pci) because of bugs in virtio networking
+dnl eg. https://bugzilla.redhat.com/show_bug.cgi?id=516022
+AC_ARG_WITH([net-if],
+        [AS_HELP_STRING([--with-net-if],
+          [set default net driver (virtio|ne2k_pci) @<:@default=virtio@:>@])],
+        [],
+        [with_net_if=virtio])
+AC_DEFINE_UNQUOTED([NET_IF],["$with_net_if"],[Default network interface.])
+
 dnl Check for febootstrap etc.
 AC_CHECK_PROG([FEBOOTSTRAP],
-       [febootstrap],[febootstrap],[no])
-test "x$FEBOOTSTRAP" = "xno" && \
-     AC_MSG_ERROR([febootstrap must be installed])
-AC_CHECK_PROG([FEBOOTSTRAP_RUN],
-       [febootstrap-run],[febootstrap-run],[no])
-test "x$FEBOOTSTRAP_RUN" = "xno" && \
+        [febootstrap],[febootstrap],[no])
+if test "x$FEBOOTSTRAP" != "xno"; then
+  AC_CHECK_PROG([FEBOOTSTRAP_RUN],
+        [febootstrap-run],[febootstrap-run],[no])
+  test "x$FEBOOTSTRAP_RUN" = "xno" && \
      AC_MSG_ERROR([febootstrap-run must be installed])
-AC_CHECK_PROG([FEBOOTSTRAP_MINIMIZE],
-       [febootstrap-minimize],[febootstrap-minimize],[no])
-test "x$FEBOOTSTRAP_MINIMIZE" = "xno" && \
+  AC_CHECK_PROG([FEBOOTSTRAP_INSTALL],
+        [febootstrap-install],[febootstrap-install],[no])
+  test "x$FEBOOTSTRAP_INSTALL" = "xno" && \
+     AC_MSG_ERROR([febootstrap-install must be installed])
+  AC_CHECK_PROG([FEBOOTSTRAP_MINIMIZE],
+        [febootstrap-minimize],[febootstrap-minimize],[no])
+  test "x$FEBOOTSTRAP_MINIMIZE" = "xno" && \
      AC_MSG_ERROR([febootstrap-minimize must be installed])
-AC_CHECK_PROG([FEBOOTSTRAP_TO_INITRAMFS],
-       [febootstrap-to-initramfs],[febootstrap-to-initramfs],[no])
-test "x$FEBOOTSTRAP_TO_INITRAMFS" = "xno" && \
+  AC_CHECK_PROG([FEBOOTSTRAP_TO_INITRAMFS],
+        [febootstrap-to-initramfs],[febootstrap-to-initramfs],[no])
+  test "x$FEBOOTSTRAP_TO_INITRAMFS" = "xno" && \
      AC_MSG_ERROR([febootstrap-to-initramfs must be installed])
 
+  dnl Check we have fakechroot >= 2.9 (it's an indirect requirement
+  dnl of febootstrap, but old versions will fail with yum).
+  AC_CHECK_PROG([FAKECHROOT],
+        [fakechroot],[fakechroot],[no])
+  test "x$FAKECHROOT" = "xno" && \
+    AC_MSG_ERROR([fakechroot must be installed])
+
+  AC_MSG_CHECKING([fakechroot version])
+  fakechroot_version=`$FAKECHROOT --version | awk '{print $3}'`
+  if test -z "$fakechroot_version"; then
+    AC_MSG_RESULT([failed])
+    AC_MSG_WARN([fakechroot --version command failed, proceeding anyway])
+  else
+    AC_MSG_RESULT([$fakechroot_version])
+    fakechroot_major=`echo "$fakechroot_version" | awk -F. '{print $1}'`
+    fakechroot_minor=`echo "$fakechroot_version" | awk -F. '{print $2}'`
+    if test "$fakechroot_major" -lt 2 -o \
+            \( "$fakechroot_major" -eq 2 -a "$fakechroot_minor" -lt 9 \); then
+        AC_MSG_ERROR([fakechroot version must be >= 2.9])
+    fi
+  fi
+  DIST="REDHAT"
+else
+  # check for debootstrap and debirf
+  AC_CHECK_PROG([DEBOOTSTRAP],
+        [debootstrap],[debootstrap],[no])
+  test "x$DEBOOTSTRAP" = "xno" && \
+        AC_MSG_ERROR([Either febootstrap or debootstrap must be installed])
+  AC_CHECK_PROG([DEBIRF],[debirf],[debirf],[no])
+  test "x$DEBIRF" = "xno" &&
+        AC_MSG_ERROR([debirf must be installed])
+  DIST="DEBIAN"
+  case "$host_cpu" in
+      *86)
+          DEBIAN_KERNEL_ARCH=486
+          ;;
+      x86_64)
+          DEBIAN_KERNEL_ARCH=amd64
+          ;;
+      *)
+         DEBIAN_KERNEL_ARCH=$host_cpu
+         ;;
+   esac
+   AC_SUBST(DEBIAN_KERNEL_ARCH)
+fi
+AC_SUBST(DIST)
+
+
 dnl --with-repo to specify a Fedora repository.
 AC_ARG_WITH([repo],
-       [AS_HELP_STRING([--with-repo],
-         [set name of Fedora repository @<:@default=fedora-10@:>@])],
-       [],
-       [with_repo=fedora-10])
+        [AS_HELP_STRING([--with-repo],
+          [set name of Fedora repository @<:@default=fedora-11@:>@])],
+        [],
+        [with_repo=fedora-11])
 REPO="$with_repo"
 AC_SUBST(REPO)
 AC_DEFINE_UNQUOTED([REPO],["$REPO"],[Name of Fedora repository.])
 
-AC_DEFINE_UNQUOTED([host_cpu],["$host_cpu"],[Host architecture.])
-
 dnl --with-updates to specify a Fedora updates repository.
 AC_ARG_WITH([updates],
-       [AS_HELP_STRING([--with-updates],
-         [set name of Fedora updates repository @<:@default=updates-released-f10@:>@])],
-       [],
-       [with_updates=updates-released-f10])
+        [AS_HELP_STRING([--with-updates],
+          [set name of Fedora updates repository @<:@default=updates-released-f11@:>@])],
+        [],
+        [with_updates=updates-released-f11])
 UPDATES="$with_updates"
 AC_SUBST(UPDATES)
-AC_DEFINE_UNQUOTED([UPDATES],["$UPDATES"],[Name of Fedora updates repository.])
 
+dnl Define a symbol for the host CPU architecture.
 AC_DEFINE_UNQUOTED([host_cpu],["$host_cpu"],[Host architecture.])
 
 dnl --with-mirror to specify a local Fedora mirror.
 AC_ARG_WITH([mirror],
-       [AS_HELP_STRING([--with-mirror],
-         [set URI of a local Fedora mirror])],
-       [],
-       [with_mirror=])
+        [AS_HELP_STRING([--with-mirror],
+          [set URI of a local Fedora mirror])],
+        [],
+        [with_mirror=])
 MIRROR="$with_mirror"
 AC_SUBST(MIRROR)
 
+dnl Build the supermin appliance?  Please see README file before
+dnl enabling this option.
+AC_ARG_ENABLE([supermin],
+        [AS_HELP_STRING([--enable-supermin],
+          [enable supermin appliance (see README) @<:@default=no@:>@])],
+        [],
+        [enable_supermin=no])
+AM_CONDITIONAL([SUPERMIN],[test "x$enable_supermin" = "xyes"])
+
+if test "x$enable_supermin" = "xyes"; then
+    dnl Check febootstrap-to-initramfs accepts the --files option
+    dnl (febootstrap >= 2.2).
+    AC_MSG_CHECKING([for --files support in $FEBOOTSTRAP_TO_INITRAMFS])
+    out=`$FEBOOTSTRAP_TO_INITRAMFS 2>&1 ||:`
+    echo "febootstrap_to_initramfs test command output: $out" >&AS_MESSAGE_LOG_FD
+    if ! echo "$out" | grep -sq -e --files ; then
+        AC_MSG_RESULT([no])
+        AC_MSG_FAILURE(
+[febootstrap-to-initramfs does not support the --files option.
+
+To build the supermin appliance, you need to upgrade to the latest
+version of febootstrap.
+])
+    fi
+    AC_MSG_RESULT([yes])
+
+    dnl Check febootstrap-to-initramfs accepts the --nocompress option
+    dnl (febootstrap >= 2.3).
+    AC_MSG_CHECKING([for --nocompress support in $FEBOOTSTRAP_TO_INITRAMFS])
+    out=`$FEBOOTSTRAP_TO_INITRAMFS 2>&1 ||:`
+    echo "febootstrap_to_initramfs test command output: $out" >&AS_MESSAGE_LOG_FD
+    if ! echo "$out" | grep -sq -e --nocompress ; then
+        AC_MSG_RESULT([no])
+        AC_MSG_FAILURE(
+[febootstrap-to-initramfs does not support the --nocompress option.
+
+To build the supermin appliance, you need to upgrade to the latest
+version of febootstrap.
+])
+    fi
+    AC_MSG_RESULT([yes])
+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)])
+
+dnl For i18n.
+AM_GNU_GETTEXT([external])
+AM_GNU_GETTEXT_VERSION([0.17])
+
 dnl Check for OCaml (optional, for OCaml bindings).
 AC_PROG_OCAML
 AC_PROG_FINDLIB
 AM_CONDITIONAL([HAVE_OCAML],[test "x$OCAMLC" != "xno" -a "x$OCAMLFIND" != "xno"])
 
+dnl Build the OCaml viewer example.
+AC_ARG_ENABLE([ocaml-viewer],
+        [AS_HELP_STRING([--enable-ocaml-viewer],
+          [enable OCaml viewer (see ocaml/examples) @<:@default=no@:>@])],
+        [],
+        [enable_ocaml_viewer=no])
+AM_CONDITIONAL([BUILD_OCAML_VIEWER],[test "x$enable_ocaml_viewer" = "xyes"])
+
 dnl Check for Perl (optional, for Perl bindings).
-dnl XXX This isn't quite right, we should check for devel libraries.
+dnl XXX This isn't quite right, we should check for Perl devel library.
 AC_CHECK_PROG([PERL],[perl],[perl],[no])
-AM_CONDITIONAL([HAVE_PERL],[test "x$PERL" != "xno"])
+
+dnl Check for Perl modules that must be present to compile and
+dnl test the Perl bindings.
+missing_perl_modules=no
+for pm in Test::More Test::Pod Test::Pod::Coverage ExtUtils::MakeMaker; do
+    AC_MSG_CHECKING([for $pm])
+    if ! perl -M$pm -e1 >/dev/null 2>&1; then
+        AC_MSG_RESULT([no])
+        missing_perl_modules=yes
+    else
+        AC_MSG_RESULT([yes])
+    fi
+done
+if test "x$missing_perl_modules" = "xyes"; then
+    AC_MSG_WARN([some Perl modules required to compile or test the Perl bindings are missing])
+fi
+
+AM_CONDITIONAL([HAVE_PERL],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
 
 dnl Check for Python (optional, for Python bindings).
-dnl XXX This isn't quite right, we should check for devel libraries.
 AC_CHECK_PROG([PYTHON],[python],[python],[no])
-AM_CONDITIONAL([HAVE_PYTHON],[test "x$PYTHON" != "xno"])
+
+PYTHON_PREFIX=
+PYTHON_VERSION=
+PYTHON_INCLUDEDIR=
+PYTHON_SITE_PACKAGES=
+
+if test "x$PYTHON" != "xno"; then
+    PYTHON_PREFIX=`$PYTHON -c "import sys; print sys.prefix"`
+    PYTHON_VERSION=`$PYTHON -c "import sys; print sys.version[[0:3]]"`
+    for d in \
+        $PYTHON_PREFIX/include/python$PYTHON_VERSION \
+        /usr/include/python$PYTHON_VERSION \
+        /usr/local/include/python$PYTHON_VERSION
+    do
+        AC_MSG_CHECKING([Python.h in $d])
+        if test -r "$d/Python.h"; then
+            AC_MSG_RESULT([found])
+            PYTHON_INCLUDEDIR=$d
+            break
+        fi
+        AC_MSG_RESULT([not found])
+    done
+    for d in \
+        $PYTHON_PREFIX/lib64/python$PYTHON_VERSION/site-packages \
+        $PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages \
+        /usr/lib64/python$PYTHON_VERSION/site-packages \
+        /usr/lib/python$PYTHON_VERSION/site-packages \
+        /usr/local/lib/python$PYTHON_VERSION/site-packages
+    do
+        AC_MSG_CHECKING([for $d])
+        if test -d "$d"; then
+            AC_MSG_RESULT([found])
+            PYTHON_SITE_PACKAGES=$d
+            break
+        fi
+        AC_MSG_RESULT([not found])
+    done
+fi
+
+AC_SUBST(PYTHON_PREFIX)
+AC_SUBST(PYTHON_VERSION)
+AC_SUBST(PYTHON_INCLUDEDIR)
+AC_SUBST(PYTHON_SITE_PACKAGES)
+
+AM_CONDITIONAL([HAVE_PYTHON],
+    [test "x$PYTHON_INCLUDEDIR" != "x" -a "x$PYTHON_SITE_PACKAGES" != "x"])
+
+dnl Check for Ruby and rake (optional, for Ruby bindings).
+AC_CHECK_LIB([ruby],[ruby_init],[HAVE_LIBRUBY=1],[HAVE_LIBRUBY=0])
+AC_CHECK_PROG([RAKE],[rake],[rake],[no])
+
+AM_CONDITIONAL([HAVE_RUBY],
+    [test "x$RAKE" != "xno" -a -n "$HAVE_LIBRUBY"])
+
+dnl Check for Java.
+AC_ARG_WITH(java_home,
+    [AS_HELP_STRING([--with-java-home],
+        [specify path to JDK directory @<:@default=check@:>@])],
+    [],
+    [with_java_home=check])
+
+if test "x$with_java_home" != "xno"; then
+    if test "x$with_java_home" != "xyes" -a "x$with_java_home" != "xcheck"
+    then
+        # Reject unsafe characters in $JAVA_HOME
+        jh_lf='
+'
+        case $JAVA_HOME in
+          *[\\\"\#\$\&\'\`$jh_lf\ \    ]*)
+            AC_MSG_FAILURE([unsafe \$JAVA_HOME directory (use --with-java-home=no to disable Java support)]);;
+        esac
+        if test -d "$with_java_home"; then
+            JAVA_HOME="$with_java_home"
+        else
+            AC_MSG_FAILURE([$with_java_home is not a directory (use --with-java-home=no to disable Java support)])
+        fi
+    fi
+
+    if test "x$JAVA_HOME" = "x"; then
+        # Look for Java in some likely locations.
+        for d in \
+            /usr/lib/jvm/java \
+            /usr/lib/jvm/java-6-openjdk
+        do
+            if test -d $d -a -f $d/bin/java; then
+                JAVA_HOME=$d
+                break
+            fi
+        done
+    fi
+
+    if test "x$JAVA_HOME" != "x"; then
+        AC_MSG_CHECKING(for JDK in $JAVA_HOME)
+        if test ! -x "$JAVA_HOME/bin/java"; then
+            AC_MSG_ERROR([missing $JAVA_HOME/bin/java binary (use --with-java-home=no to disable Java support)])
+        else
+            JAVA="$JAVA_HOME/bin/java"
+        fi
+        if test ! -x "$JAVA_HOME/bin/javac"; then
+            AC_MSG_ERROR([missing $JAVA_HOME/bin/javac binary])
+        else
+            JAVAC="$JAVA_HOME/bin/javac"
+        fi
+        if test ! -x "$JAVA_HOME/bin/javah"; then
+            AC_MSG_ERROR([missing $JAVA_HOME/bin/javah binary])
+        else
+            JAVAH="$JAVA_HOME/bin/javah"
+        fi
+        if test ! -x "$JAVA_HOME/bin/javadoc"; then
+            AC_MSG_ERROR([missing $JAVA_HOME/bin/javadoc binary])
+        else
+            JAVADOC="$JAVA_HOME/bin/javadoc"
+        fi
+        if test ! -x "$JAVA_HOME/bin/jar"; then
+            AC_MSG_ERROR([missing $JAVA_HOME/bin/jar binary])
+        else
+            JAR="$JAVA_HOME/bin/jar"
+        fi
+        java_version=`$JAVA -version 2>&1 | grep "java version"`
+        AC_MSG_RESULT(found $java_version in $JAVA_HOME)
+
+        dnl Find jni.h.
+        AC_MSG_CHECKING([for jni.h])
+        if test -f "$JAVA_HOME/include/jni.h"; then
+            JNI_CFLAGS="-I$JAVA_HOME/include"
+        else
+            if test "`find $JAVA_HOME -name jni.h`" != ""; then
+                head=`find $JAVA_HOME -name jni.h | tail -1`
+                dir=`dirname "$head"`
+                JNI_CFLAGS="-I$dir"
+            else
+                AC_MSG_FAILURE([missing jni.h header file])
+            fi
+        fi
+        AC_MSG_RESULT([$JNI_CFLAGS])
+
+        dnl Find jni_md.h.
+        AC_MSG_CHECKING([for jni_md.h])
+        case "$build_os" in
+        *linux*) system="linux" ;;
+        *SunOS*) system="solaris" ;;
+        *cygwin*) system="win32" ;;
+        *) system="$build_os" ;;
+        esac
+        if test -f "$JAVA_HOME/include/$system/jni_md.h"; then
+            JNI_CFLAGS="$JNI_CFLAGS -I$JAVA_HOME/include/$system"
+        else
+            if test "`find $JAVA_HOME -name jni_md.h`" != ""; then
+                head=`find $JAVA_HOME -name jni_md.h | tail -1`
+                dir=`dirname "$head"`
+                JNI_CFLAGS="$JNI_CFLAGS -I$dir"
+            else
+                AC_MSG_FAILURE([missing jni_md.h header file])
+            fi
+        fi
+        AC_MSG_RESULT([$JNI_CFLAGS])
+
+        dnl Need extra version flag?
+        AC_MSG_CHECKING([extra javac flags])
+        JAVAC_FLAGS=
+        javac_version=`$JAVAC -version 2>&1`
+        case "$javac_version" in
+        *Eclipse*)
+            JAVAC_FLAGS="-source 1.5" ;;
+        esac
+        AC_MSG_RESULT([$JAVAC_FLAGS])
+
+        dnl Where to install jarfiles.
+        dnl XXX How to make it configurable?
+        JAR_INSTALL_DIR=\${prefix}/share/java
+        JNI_INSTALL_DIR=\${libdir}
+
+        dnl JNI version.
+        jni_major_version=`echo "$VERSION" | awk -F. '{print $1}'`
+        jni_minor_version=`echo "$VERSION" | awk -F. '{print $2}'`
+        jni_micro_version=`echo "$VERSION" | awk -F. '{print $3}'`
+        JNI_VERSION_INFO=`expr "$jni_major_version" + "$jni_minor_version"`":$jni_micro_version:$jni_minor_version"
+    fi
+fi
+
+AC_SUBST(JAVA_HOME)
+AC_SUBST(JAVA)
+AC_SUBST(JAVAC)
+AC_SUBST(JAVAH)
+AC_SUBST(JAVADOC)
+AC_SUBST(JAR)
+AC_SUBST(JNI_CFLAGS)
+AC_SUBST(JAVAC_FLAGS)
+AC_SUBST(JAR_INSTALL_DIR)
+AC_SUBST(JNI_INSTALL_DIR)
+AC_SUBST(JNI_VERSION_INFO)
+
+AM_CONDITIONAL([HAVE_JAVA],[test -n "$JAVAC"])
+
+dnl Check for Haskell (GHC).
+AC_CHECK_PROG([GHC],[ghc],[ghc],[no])
+
+AM_CONDITIONAL([HAVE_HASKELL],
+    [test "x$GHC" != "xno"])
+
+dnl Check for Perl modules needed by virt-df, inspector, etc.
+missing_perl_modules=no
+for pm in Pod::Usage Getopt::Long Sys::Virt Data::Dumper XML::Writer Locale::TextDomain; do
+    AC_MSG_CHECKING([for $pm])
+    if ! perl -M$pm -e1 >/dev/null 2>&1; then
+        AC_MSG_RESULT([no])
+        missing_perl_modules=yes
+    else
+        AC_MSG_RESULT([yes])
+    fi
+done
+if test "x$missing_perl_modules" = "xyes"; then
+    AC_MSG_WARN([some Perl modules required to compile virt-cat, virt-df, virt-edit, virt-inspector and virt-rescue are missing])
+fi
+
+AM_CONDITIONAL([HAVE_CAT],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
+AM_CONDITIONAL([HAVE_DF],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
+AM_CONDITIONAL([HAVE_EDIT],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
+AM_CONDITIONAL([HAVE_INSPECTOR],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
+AM_CONDITIONAL([HAVE_RESCUE],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
+
+dnl Library versioning.
+MAX_PROC_NR=`cat $srcdir/src/MAX_PROC_NR`
+AC_SUBST(MAX_PROC_NR)
 
 dnl Run in subdirs.
 AC_CONFIG_SUBDIRS([daemon])
 
 dnl Produce output files.
 AC_CONFIG_HEADERS([config.h])
-AC_CONFIG_FILES([Makefile src/Makefile fish/Makefile examples/Makefile
-                images/Makefile
-                ocaml/Makefile ocaml/examples/Makefile
-                perl/Makefile
-                python/Makefile
-                make-initramfs.sh update-initramfs.sh
-                libguestfs.spec
-                ocaml/META perl/Makefile.PL])
+dnl http://www.mail-archive.com/automake@gnu.org/msg10204.html
+AC_CONFIG_FILES([appliance/make.sh],
+                [chmod +x appliance/make.sh])
+AC_CONFIG_FILES([appliance/update.sh],
+                [chmod +x appliance/update.sh])
+AC_CONFIG_FILES([appliance/supermin-split.sh],
+                [chmod +x appliance/supermin-split.sh])
+AC_CONFIG_FILES([appliance/supermin-make.sh],
+                [chmod +x appliance/supermin-make.sh])
+AC_CONFIG_FILES([appliance/libguestfs-supermin-helper],
+                [chmod +x appliance/libguestfs-supermin-helper])
+AC_CONFIG_FILES([Makefile
+                 src/Makefile fish/Makefile po/Makefile.in examples/Makefile
+                 appliance/Makefile
+                 appliance/debian/debirf.conf
+                 images/Makefile
+                 capitests/Makefile
+                 regressions/Makefile
+                 test-tool/Makefile
+                 ocaml/Makefile ocaml/examples/Makefile
+                 perl/Makefile
+                 python/Makefile
+                 ruby/Makefile ruby/Rakefile
+                 java/Makefile
+                 haskell/Makefile
+                 cat/Makefile
+                 df/Makefile
+                 edit/Makefile
+                 inspector/Makefile
+                 rescue/Makefile
+                 libguestfs.pc
+                 gnulib/lib/Makefile
+                 gnulib/tests/Makefile
+                 ocaml/META perl/Makefile.PL])
 AC_OUTPUT
 
-dnl WTF?
-chmod +x make-initramfs.sh update-initramfs.sh
+dnl Produce summary.
+echo
+echo
+echo "------------------------------------------------------------"
+echo "Thank you for downloading $PACKAGE_STRING"
+echo
+echo "This is how we have configured the optional components for you today:"
+echo
+echo    "QEMU ................................ $QEMU"
+echo -n "OCaml bindings ...................... "
+if test "x$HAVE_OCAML_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "Perl bindings ....................... "
+if test "x$HAVE_PERL_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "Python bindings ..................... "
+if test "x$HAVE_PYTHON_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "Ruby bindings ....................... "
+if test "x$HAVE_RUBY_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "Java bindings ....................... "
+if test "x$HAVE_JAVA_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "Haskell bindings .................... "
+if test "x$HAVE_HASKELL" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-cat ............................ "
+if test "x$HAVE_CAT" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-df ............................. "
+if test "x$HAVE_DF" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-edit ........................... "
+if test "x$HAVE_EDIT" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-inspector ...................... "
+if test "x$HAVE_INSPECTOR" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-rescue ......................... "
+if test "x$HAVE_RESCUE" = "x"; then echo "yes"; else echo "no"; fi
+echo "supermin appliance .................. $enable_supermin"
+echo
+echo "If any optional component is configured 'no' when you expected 'yes'"
+echo "then you should check the preceeding messages."
+echo
+echo "Please report bugs back to the mailing list:"
+echo "http://www.redhat.com/mailman/listinfo/libguestfs"
+echo
+echo "Next you should type 'make' to build the package,"
+echo "then 'make check' to run the tests."
+echo "------------------------------------------------------------"