Tools for analyzing and reverse engineering hive files.
[libguestfs.git] / configure.ac
index e144ac8..134cebd 100644 (file)
@@ -18,7 +18,7 @@
 # major/minor/release must be numbers
 m4_define([libguestfs_major],   [1])
 m4_define([libguestfs_minor],   [0])
 # major/minor/release must be numbers
 m4_define([libguestfs_major],   [1])
 m4_define([libguestfs_minor],   [0])
-m4_define([libguestfs_release], [70])
+m4_define([libguestfs_release], [82])
 # extra can be any string
 m4_define([libguestfs_extra],   [])
 
 # extra can be any string
 m4_define([libguestfs_extra],   [])
 
@@ -86,6 +86,7 @@ if test "$gl_gcc_warnings" = yes; then
   # ?? -Wstrict-overflow
   nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
                                     # was not possible, safe to ignore
   # ?? -Wstrict-overflow
   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
 
   gl_MANYWARN_ALL_GCC([ws])
   gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
 
   gl_MANYWARN_ALL_GCC([ws])
   gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
@@ -115,6 +116,12 @@ test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
 
 AM_PROG_CC_C_O
 
 
 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 Check support for 64 bit file offsets.
 AC_SYS_LARGEFILE
 
 dnl Check support for 64 bit file offsets.
 AC_SYS_LARGEFILE
 
@@ -122,7 +129,7 @@ dnl Check sizeof long.
 AC_CHECK_SIZEOF([long])
 
 dnl Headers.
 AC_CHECK_SIZEOF([long])
 
 dnl Headers.
-AC_CHECK_HEADERS([errno.h sys/types.h sys/un.h sys/wait.h sys/socket.h])
+AC_CHECK_HEADERS([errno.h sys/types.h sys/un.h sys/wait.h sys/socket.h endian.h byteswap.h])
 
 dnl Check for rpcgen and XDR library.  rpcgen is optional.
 AC_CHECK_PROG([RPCGEN],[rpcgen],[rpcgen],[no])
 
 dnl Check for rpcgen and XDR library.  rpcgen is optional.
 AC_CHECK_PROG([RPCGEN],[rpcgen],[rpcgen],[no])
@@ -144,6 +151,10 @@ 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])
 
         [$PATH$PATH_SEPARATOR/usr/sbin$PATH_SEPARATOR/sbin])
 test "x$MKISOFS" = "xno" && AC_MSG_ERROR([mkisofs must be installed])
 
+dnl Check for optional xmllint.
+AC_CHECK_PROG([XMLLINT],[xmllint],[xmllint],[no])
+AM_CONDITIONAL([HAVE_XMLLINT],[test "x$XMLLINT" != "xno"])
+
 dnl Check for QEMU for running binaries on this $host_cpu, fall
 dnl back to basic 'qemu'.  Allow the user to override it.
 default_qemu="qemu-kvm qemu-system-$host_cpu qemu"
 dnl Check for QEMU for running binaries on this $host_cpu, fall
 dnl back to basic 'qemu'.  Allow the user to override it.
 default_qemu="qemu-kvm qemu-system-$host_cpu qemu"
@@ -157,38 +168,59 @@ AC_PATH_PROGS([QEMU],[$with_qemu],[no],
 test "x$QEMU" = "xno" && AC_MSG_ERROR([qemu must be installed])
 AC_DEFINE_UNQUOTED([QEMU],["$QEMU"],[Location of qemu binary.])
 
 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.
-dnl http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html
+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$vmchannel_test" != "xno"; then
 if test "x$vmchannel_test" != "xno"; then
-    AC_MSG_CHECKING([for "guestfwd" support in $QEMU])
+    AC_MSG_CHECKING([for guestfwd support in $QEMU])
     if $QEMU --help | grep -sq guestfwd; then
         AC_MSG_RESULT([yes])
     if $QEMU --help | grep -sq guestfwd; then
         AC_MSG_RESULT([yes])
+        vmchannel_guestfwd=guestfwd
     else
         AC_MSG_RESULT([no])
     else
         AC_MSG_RESULT([no])
-        AC_MSG_CHECKING([for "-net channel" support in $QEMU])
+        # 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])
         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])
         else
             AC_MSG_RESULT([no])
-            AC_MSG_FAILURE(
-[I did not find vmchannel support in $QEMU.
+            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.
 
 
-vmchannel support is vital for libguestfs to operate.  You need a version
-of qemu >= 0.10, or the following patch backported to earlier versions:
+Either user mode networking or vmchannel support is vital for
+libguestfs to operate.
 
 
-http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html
+Please read the relevant section in the README file for more
+information about this.
 
 You can override this test by setting the environment variable
 
 You can override this test by setting the environment variable
-vmchannel_test=no  However if you don't have vmchannel support
+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.
 ])
 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
 fi
 
     fi
 fi
 
@@ -390,11 +422,40 @@ dnl For i18n.
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.17])
 
 AM_GNU_GETTEXT([external])
 AM_GNU_GETTEXT_VERSION([0.17])
 
+dnl libxml2 is used by the hivex library.
+PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
+AC_SUBST([LIBXML2_CFLAGS])
+AC_SUBST([LIBXML2_LIBS])
+
+dnl FUSE is optional to build the FUSE module.
+HAVE_FUSE=yes
+PKG_CHECK_MODULES([FUSE],[fuse],,[
+        HAVE_FUSE=no
+        AC_MSG_WARN([FUSE library and headers are missing, so optional FUSE module won't be built])])
+AM_CONDITIONAL([HAVE_FUSE],[test "x$HAVE_FUSE" = "xyes"])
+
 dnl Check for OCaml (optional, for OCaml bindings).
 AC_PROG_OCAML
 AC_PROG_FINDLIB
 AM_CONDITIONAL([HAVE_OCAML],[test "x$OCAMLC" != "xno" -a "x$OCAMLFIND" != "xno"])
 
 dnl 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 Optional xml-light for running the generator.
+OCAML_PKG_xml_light=no
+if test "x$OCAMLC" != "xno" -a "x$OCAMLFIND" != "xno"; then
+    AC_CHECK_OCAML_PKG([xml-light])
+fi
+AM_CONDITIONAL([HAVE_XML_LIGHT],[test "x$OCAML_PKG_xml_light" != "xno"])
+
+dnl Build the OCaml viewer example.  This has a lengthy list of
+dnl dependencies and we don't attempt to detect them all.  Read
+dnl the top of ocaml/examples/viewer.ml before enabling this.
+AC_ARG_ENABLE([ocaml-viewer],
+        [AS_HELP_STRING([--enable-ocaml-viewer],
+          [enable OCaml viewer (see ocaml/examples) @<:@default=no@:>@])],
+        [],
+        [enable_ocaml_viewer=no])
+AM_CONDITIONAL([BUILD_OCAML_VIEWER],[test "x$enable_ocaml_viewer" = "xyes"])
+
 dnl Check for Perl (optional, for Perl bindings).
 dnl XXX This isn't quite right, we should check for Perl devel library.
 AC_CHECK_PROG([PERL],[perl],[perl],[no])
 dnl Check for Perl (optional, for Perl bindings).
 dnl XXX This isn't quite right, we should check for Perl devel library.
 AC_CHECK_PROG([PERL],[perl],[perl],[no])
@@ -632,15 +693,13 @@ for pm in Pod::Usage Getopt::Long Sys::Virt Data::Dumper XML::Writer Locale::Tex
     fi
 done
 if test "x$missing_perl_modules" = "xyes"; then
     fi
 done
 if test "x$missing_perl_modules" = "xyes"; then
-    AC_MSG_WARN([some Perl modules required to compile virt-cat, virt-df and virt-inspector are missing])
+    AC_MSG_WARN([some Perl modules required to compile virt-inspector and the other virt-* tools are missing])
 fi
 
 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_INSPECTOR],
     [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_TOOLS],
+    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
 
 dnl Library versioning.
 MAX_PROC_NR=`cat $srcdir/src/MAX_PROC_NR`
 
 dnl Library versioning.
 MAX_PROC_NR=`cat $srcdir/src/MAX_PROC_NR`
@@ -652,16 +711,12 @@ AC_CONFIG_SUBDIRS([daemon])
 dnl Produce output files.
 AC_CONFIG_HEADERS([config.h])
 dnl http://www.mail-archive.com/automake@gnu.org/msg10204.html
 dnl Produce output files.
 AC_CONFIG_HEADERS([config.h])
 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/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
 AC_CONFIG_FILES([Makefile
                  src/Makefile fish/Makefile po/Makefile.in examples/Makefile
                  appliance/Makefile
@@ -676,12 +731,14 @@ AC_CONFIG_FILES([Makefile
                  ruby/Makefile ruby/Rakefile
                  java/Makefile
                  haskell/Makefile
                  ruby/Makefile ruby/Rakefile
                  java/Makefile
                  haskell/Makefile
-                 cat/Makefile
-                 df/Makefile
                  inspector/Makefile
                  inspector/Makefile
+                 tools/Makefile
                  libguestfs.pc
                  gnulib/lib/Makefile
                  gnulib/tests/Makefile
                  libguestfs.pc
                  gnulib/lib/Makefile
                  gnulib/tests/Makefile
+                 hivex/Makefile
+                 hivex/tools/Makefile
+                 fuse/Makefile
                  ocaml/META perl/Makefile.PL])
 AC_OUTPUT
 
                  ocaml/META perl/Makefile.PL])
 AC_OUTPUT
 
@@ -705,14 +762,13 @@ 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 .................... "
 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
+if test "x$HAVE_HASKELL_TRUE" = "x"; then echo "yes"; else echo "no"; fi
 echo -n "virt-inspector ...................... "
 echo -n "virt-inspector ...................... "
-if test "x$HAVE_INSPECTOR" = "x"; then echo "yes"; else echo "no"; fi
+if test "x$HAVE_INSPECTOR_TRUE" = "x"; then echo "yes"; else echo "no"; fi
+echo -n "virt-* tools ........................ "
+if test "x$HAVE_TOOLS_TRUE" = "x"; then echo "yes"; else echo "no"; fi
 echo "supermin appliance .................. $enable_supermin"
 echo "supermin appliance .................. $enable_supermin"
+echo "FUSE filesystem ..................... $HAVE_FUSE"
 echo
 echo "If any optional component is configured 'no' when you expected 'yes'"
 echo "then you should check the preceeding messages."
 echo
 echo "If any optional component is configured 'no' when you expected 'yes'"
 echo "then you should check the preceeding messages."