X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/26de0cf1b5fd9efa3aa949c04898ba26f0fdad7c..942a9a6a1d44aaab9a8ec8aa3deb8064f5d009d6:/configure.ac

diff --git a/configure.ac b/configure.ac
index 3df6caa..3d7eaa3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,8 +1,8 @@
 # Configure script for Ganeti
 m4_define([gnt_version_major], [2])
-m4_define([gnt_version_minor], [0])
-m4_define([gnt_version_revision], [0])
-m4_define([gnt_version_suffix], [~alpha1])
+m4_define([gnt_version_minor], [6])
+m4_define([gnt_version_revision], [1])
+m4_define([gnt_version_suffix], [])
 m4_define([gnt_version_full],
           m4_format([%d.%d.%d%s],
                     gnt_version_major, gnt_version_minor,
@@ -39,6 +39,16 @@ AC_ARG_WITH([export-dir],
   [export_dir="/srv/ganeti/export"])
 AC_SUBST(EXPORT_DIR, $export_dir)
 
+# --with-ssh-config-dir=...
+AC_ARG_WITH([ssh-config-dir],
+  [AS_HELP_STRING([--with-ssh-config-dir=DIR],
+    [ directory with ssh host keys ]
+    [ (default is /etc/ssh)]
+  )],
+  [ssh_config_dir="$withval"],
+  [ssh_config_dir="/etc/ssh"])
+AC_SUBST(SSH_CONFIG_DIR, $ssh_config_dir)
+
 # --with-os-search-path=...
 # do a bit of black sed magic to for quoting of the strings in the list
 AC_ARG_WITH([os-search-path],
@@ -61,33 +71,90 @@ AC_ARG_WITH([iallocator-search-path],
   [iallocator_search_path="'$libdir/$PACKAGE_NAME/iallocators'"])
 AC_SUBST(IALLOCATOR_SEARCH_PATH, $iallocator_search_path)
 
+# --with-xen-bootloader=...
+AC_ARG_WITH([xen-bootloader],
+  [AS_HELP_STRING([--with-xen-bootloader=PATH],
+    [bootloader for Xen hypervisor (default is empty)]
+  )],
+  [xen_bootloader="$withval"],
+  [xen_bootloader=])
+AC_SUBST(XEN_BOOTLOADER, $xen_bootloader)
+
 # --with-xen-kernel=...
 AC_ARG_WITH([xen-kernel],
   [AS_HELP_STRING([--with-xen-kernel=PATH],
-    [DomU kernel image for Xen hypervisor (default is /boot/vmlinuz-2.6-xenU)]
+    [DomU kernel image for Xen hypervisor (default is /boot/vmlinuz-3-xenU)]
   )],
   [xen_kernel="$withval"],
-  [xen_kernel="/boot/vmlinuz-2.6-xenU"])
+  [xen_kernel="/boot/vmlinuz-3-xenU"])
 AC_SUBST(XEN_KERNEL, $xen_kernel)
 
 # --with-xen-initrd=...
 AC_ARG_WITH([xen-initrd],
   [AS_HELP_STRING([--with-xen-initrd=PATH],
-    [DomU initrd image for Xen hypervisor (default is /boot/initrd-2.6-xenU)]
+    [DomU initrd image for Xen hypervisor (default is /boot/initrd-3-xenU)]
   )],
   [xen_initrd="$withval"],
-  [xen_initrd="/boot/initrd-2.6-xenU"])
+  [xen_initrd="/boot/initrd-3-xenU"])
 AC_SUBST(XEN_INITRD, $xen_initrd)
 
+# --with-xen-cmd=...
+AC_ARG_WITH([xen-cmd],
+  [AS_HELP_STRING([--with-xen-cmd=CMD],
+    [Sets the xen cli interface command (default is xm)]
+  )],
+  [xen_cmd="$withval"],
+  [xen_cmd="xm"])
+AC_SUBST(XEN_CMD, $xen_cmd)
+
+if ! test "$XEN_CMD" = xl -o "$XEN_CMD" = xm; then
+  AC_MSG_ERROR([Unsupported xen command specified])
+fi
+
+# --with-kvm-kernel=...
+AC_ARG_WITH([kvm-kernel],
+  [AS_HELP_STRING([--with-kvm-kernel=PATH],
+    [Guest kernel image for KVM hypervisor (default is /boot/vmlinuz-3-kvmU)]
+  )],
+  [kvm_kernel="$withval"],
+  [kvm_kernel="/boot/vmlinuz-3-kvmU"])
+AC_SUBST(KVM_KERNEL, $kvm_kernel)
+
 # --with-file-storage-dir=...
 AC_ARG_WITH([file-storage-dir],
   [AS_HELP_STRING([--with-file-storage-dir=PATH],
     [directory to store files for file-based backend]
     [ (default is /srv/ganeti/file-storage)]
   )],
-  [file_storage_dir="$withval"],
-  [file_storage_dir="/srv/ganeti/file-storage"])
+  [[file_storage_dir="$withval";
+    if test "$withval" != no; then
+      enable_file_storage=True
+    else
+      enable_file_storage=False
+    fi
+  ]],
+  [[file_storage_dir="/srv/ganeti/file-storage";
+    enable_file_storage="True"]])
 AC_SUBST(FILE_STORAGE_DIR, $file_storage_dir)
+AC_SUBST(ENABLE_FILE_STORAGE, $enable_file_storage)
+
+# --with-shared-file-storage-dir=...
+AC_ARG_WITH([shared-file-storage-dir],
+  [AS_HELP_STRING([--with-shared-file-storage-dir=PATH],
+    [directory to store files for shared file-based backend]
+    [ (default is /srv/ganeti/shared-file-storage)]
+  )],
+  [[shared_file_storage_dir="$withval";
+    if test "$withval" != no; then
+      enable_shared_file_storage=True
+    else
+      enable_shared_file_storage=False
+    fi
+  ]],
+  [[shared_file_storage_dir="/srv/ganeti/shared-file-storage";
+    enable_shared_file_storage="True"]])
+AC_SUBST(SHARED_FILE_STORAGE_DIR, $shared_file_storage_dir)
+AC_SUBST(ENABLE_SHARED_FILE_STORAGE, $enable_shared_file_storage)
 
 # --with-kvm-path=...
 AC_ARG_WITH([kvm-path],
@@ -99,48 +166,187 @@ AC_ARG_WITH([kvm-path],
   [kvm_path="/usr/bin/kvm"])
 AC_SUBST(KVM_PATH, $kvm_path)
 
-# --with-socat-path=...
-AC_ARG_WITH([socat-path],
-  [AS_HELP_STRING([--with-socat-path=PATH],
-    [absolute path to the socat binary]
-    [ (default is /usr/bin/socat)]
+# --with-lvm-stripecount=...
+AC_ARG_WITH([lvm-stripecount],
+  [AS_HELP_STRING([--with-lvm-stripecount=NUM],
+    [the default number of stripes to use for LVM volumes]
+    [ (default is 1)]
   )],
-  [socat_path="$withval"],
-  [socat_path="/usr/bin/socat"])
-AC_SUBST(SOCAT_PATH, $socat_path)
+  [lvm_stripecount="$withval"],
+  [lvm_stripecount="1"])
+AC_SUBST(LVM_STRIPECOUNT, $lvm_stripecount)
 
-# Check common programs
-AC_PROG_INSTALL
-AC_PROG_LN_S
+# --with-ssh-login-user=...
+AC_ARG_WITH([ssh-login-user],
+  [AS_HELP_STRING([--with-ssh-login-user=USERNAME],
+    [user to use for SSH logins within the cluster (default is root)]
+  )],
+  [ssh_login_user="$withval"],
+  [ssh_login_user=root])
+AC_SUBST(SSH_LOGIN_USER, $ssh_login_user)
+
+# --with-ssh-console-user=...
+AC_ARG_WITH([ssh-console-user],
+  [AS_HELP_STRING([--with-ssh-console-user=USERNAME],
+    [user to use for SSH logins to access instance consoles (default is root)]
+  )],
+  [ssh_console_user="$withval"],
+  [ssh_console_user=root])
+AC_SUBST(SSH_CONSOLE_USER, $ssh_console_user)
+
+# --with-default-user=...
+AC_ARG_WITH([default-user],
+  [AS_HELP_STRING([--with-default-user=USERNAME],
+    [default user for daemons]
+    [ (default is to run all daemons as root)]
+  )],
+  [user_default="$withval"],
+  [user_default=root])
+
+# --with-default-group=...
+AC_ARG_WITH([default-group],
+  [AS_HELP_STRING([--with-default-group=GROUPNAME],
+    [default group for daemons]
+    [ (default is to run all daemons under group root)]
+  )],
+  [group_default="$withval"],
+  [group_default=root])
 
-# Check for docbook programs
-AC_ARG_VAR(DOCBOOK2MAN, [docbook2man path])
-AC_PATH_PROG(DOCBOOK2MAN, [docbook2man], [])
-if test -z "$DOCBOOK2MAN"
+# --with-user-prefix=...
+AC_ARG_WITH([user-prefix],
+  [AS_HELP_STRING([--with-user-prefix=PREFIX],
+    [prefix for daemon users]
+    [ (default is to run all daemons as root; use --with-default-user]
+    [ to change the default)]
+  )],
+  [user_masterd="${withval}masterd";
+   user_rapi="${withval}rapi";
+   user_confd="${withval}confd";
+   user_noded="$user_default"],
+  [user_masterd="$user_default";
+   user_rapi="$user_default";
+   user_confd="$user_default";
+   user_noded="$user_default"])
+AC_SUBST(MASTERD_USER, $user_masterd)
+AC_SUBST(RAPI_USER, $user_rapi)
+AC_SUBST(CONFD_USER, $user_confd)
+AC_SUBST(NODED_USER, $user_noded)
+
+# --with-group-prefix=...
+AC_ARG_WITH([group-prefix],
+  [AS_HELP_STRING([--with-group-prefix=PREFIX],
+    [prefix for daemon POSIX groups]
+    [ (default is to run all daemons under group root; use]
+    [ --with-default-group to change the default)]
+  )],
+  [group_rapi="${withval}rapi";
+   group_admin="${withval}admin";
+   group_confd="${withval}confd";
+   group_masterd="${withval}masterd";
+   group_noded="$group_default";
+   group_daemons="${withval}daemons";],
+  [group_rapi="$group_default";
+   group_admin="$group_default";
+   group_confd="$group_default";
+   group_masterd="$group_default";
+   group_noded="$group_default";
+   group_daemons="$group_default"])
+AC_SUBST(RAPI_GROUP, $group_rapi)
+AC_SUBST(ADMIN_GROUP, $group_admin)
+AC_SUBST(CONFD_GROUP, $group_confd)
+AC_SUBST(MASTERD_GROUP, $group_masterd)
+AC_SUBST(NODED_GROUP, $group_noded)
+AC_SUBST(DAEMONS_GROUP, $group_daemons)
+
+# Print the config to the user
+AC_MSG_NOTICE([Running ganeti-masterd as $group_masterd:$group_masterd])
+AC_MSG_NOTICE([Running ganeti-rapi as $user_rapi:$group_rapi])
+AC_MSG_NOTICE([Running ganeti-confd as $user_confd:$group_confd])
+AC_MSG_NOTICE([Group for daemons is $group_daemons])
+AC_MSG_NOTICE([Group for clients is $group_admin])
+
+# --enable-drbd-barriers
+AC_ARG_ENABLE([drbd-barriers],
+  [AS_HELP_STRING([--enable-drbd-barriers],
+    [enable by default the DRBD barriers functionality (>= 8.0.12) (default: enabled)])],
+  [[if test "$enableval" != no; then
+      DRBD_BARRIERS=n
+      DRBD_NO_META_FLUSH=False
+    else
+      DRBD_BARRIERS=bf
+      DRBD_NO_META_FLUSH=True
+    fi
+  ]],
+  [DRBD_BARRIERS=n
+   DRBD_NO_META_FLUSH=False
+  ])
+AC_SUBST(DRBD_BARRIERS, $DRBD_BARRIERS)
+AC_SUBST(DRBD_NO_META_FLUSH, $DRBD_NO_META_FLUSH)
+
+# --enable-syslog[=no/yes/only]
+AC_ARG_ENABLE([syslog],
+  [AS_HELP_STRING([--enable-syslog],
+    [enable use of syslog (default: disabled), one of no/yes/only])],
+  [[case "$enableval" in
+      no)
+        SYSLOG=no
+        ;;
+      yes)
+        SYSLOG=yes
+        ;;
+      only)
+        SYSLOG=only
+        ;;
+      *)
+        SYSLOG=
+        ;;
+    esac
+  ]],
+  [SYSLOG=no])
+
+if test -z "$SYSLOG"
 then
-  AC_MSG_ERROR([docbook2man not found])
+  AC_MSG_ERROR([invalid value for syslog, choose one of no/yes/only])
 fi
+AC_SUBST(SYSLOG_USAGE, $SYSLOG)
+
+# --with-disk-separator=...
+AC_ARG_WITH([disk-separator],
+  [AS_HELP_STRING([--with-disk-separator=STRING],
+    [Disk index separator, useful if the default of ':' is handled]
+    [ specially by the hypervisor]
+  )],
+  [disk_separator="$withval"],
+  [disk_separator=":"])
+AC_SUBST(DISK_SEPARATOR, $disk_separator)
 
-AC_ARG_VAR(DOCBOOK2PDF, [docbook2pdf path])
-AC_PATH_PROG(DOCBOOK2PDF, [docbook2pdf], [])
-if test -z "$DOCBOOK2PDF"
+# Check common programs
+AC_PROG_INSTALL
+AC_PROG_LN_S
+
+# Check for the ip command
+AC_ARG_VAR(IP_PATH, [ip path])
+AC_PATH_PROG(IP_PATH, [ip], [])
+if test -z "$IP_PATH"
 then
-  AC_MSG_ERROR([docbook2pdf not found])
+  AC_MSG_ERROR([ip command not found])
 fi
 
-AC_ARG_VAR(DOCBOOK2HTML, [docbook2html path])
-AC_PATH_PROG(DOCBOOK2HTML, [docbook2html], [])
-if test -z "$DOCBOOK2HTML"
+# Check for pandoc
+AC_ARG_VAR(PANDOC, [pandoc path])
+AC_PATH_PROG(PANDOC, [pandoc], [])
+if test -z "$PANDOC"
 then
-  AC_MSG_ERROR([docbook2html not found])
+  AC_MSG_WARN([pandoc not found, man pages rebuild will not be possible])
 fi
 
-# Check for rst programs
-AC_ARG_VAR(RST2HTML, [rst2html path])
-AC_PATH_PROG(RST2HTML, [rst2html], [])
-if test -z "$RST2HTML"
+# Check for python-sphinx
+AC_ARG_VAR(SPHINX, [sphinx-build path])
+AC_PATH_PROG(SPHINX, [sphinx-build], [])
+if test -z "$SPHINX"
 then
-  AC_MSG_ERROR([rst2html not found])
+  AC_MSG_WARN(m4_normalize([sphinx-build not found, documentation rebuild will
+                            not be possible]))
 fi
 
 # Check for graphviz (dot)
@@ -148,15 +354,314 @@ AC_ARG_VAR(DOT, [dot path])
 AC_PATH_PROG(DOT, [dot], [])
 if test -z "$DOT"
 then
-  AC_MSG_ERROR([dot (from the graphviz suite) not found])
+  AC_MSG_WARN(m4_normalize([dot (from the graphviz suite) not found,
+                            documentation rebuild not possible]))
+fi
+
+# Check for pylint
+AC_ARG_VAR(PYLINT, [pylint path])
+AC_PATH_PROG(PYLINT, [pylint], [])
+if test -z "$PYLINT"
+then
+  AC_MSG_WARN([pylint not found, checking code will not be possible])
+fi
+
+# Check for pep8
+AC_ARG_VAR(PEP8, [pep8 path])
+AC_PATH_PROG(PEP8, [pep8], [])
+if test -z "$PEP8"
+then
+  AC_MSG_WARN([pep8 not found, checking code will not be complete])
+fi
+AM_CONDITIONAL([HAS_PEP8], [test "$PEP8"])
+
+# Check for socat
+AC_ARG_VAR(SOCAT, [socat path])
+AC_PATH_PROG(SOCAT, [socat], [])
+if test -z "$SOCAT"
+then
+  AC_MSG_ERROR([socat not found])
+fi
+
+# Check for qemu-img
+AC_ARG_VAR(QEMUIMG_PATH, [qemu-img path])
+AC_PATH_PROG(QEMUIMG_PATH, [qemu-img], [])
+if test -z "$QEMUIMG_PATH"
+then
+  AC_MSG_WARN([qemu-img not found, using ovfconverter will not be possible])
+fi
+
+# --enable-htools-rapi
+HTOOLS_RAPI=
+AC_ARG_ENABLE([htools-rapi],
+        [AS_HELP_STRING([--enable-htools-rapi],
+        [enable use of curl in the Haskell code (default: check)])],
+        [],
+        [enable_htools_rapi=check])
+
+# --enable-confd
+ENABLE_CONFD=
+AC_ARG_ENABLE([confd],
+  [AS_HELP_STRING([--enable-confd],
+  [enable the ganeti-confd daemon (default: check)])],
+  [],
+  [enable_confd=check])
+
+# Check for ghc
+AC_ARG_VAR(GHC, [ghc path])
+AC_PATH_PROG(GHC, [ghc], [])
+if test -z "$GHC"; then
+  AC_MSG_FAILURE([ghc not found, compilation will not possible])
+fi
+
+# Check for ghc-pkg
+AC_ARG_VAR(GHC_PKG, [ghc-pkg path])
+AC_PATH_PROG(GHC_PKG, [ghc-pkg], [])
+if test -z "$GHC_PKG"; then
+  AC_MSG_FAILURE([ghc-pkg not found, compilation will not be possible])
+fi
+
+# check for modules, first custom/special checks
+AC_MSG_NOTICE([checking for required haskell modules])
+HTOOLS_NOCURL=-DNO_CURL
+if test "$enable_htools_rapi" != "no"; then
+  AC_GHC_PKG_CHECK([curl], [HTOOLS_NOCURL=], [])
+  if test -n "$HTOOLS_NOCURL"; then
+    if test "$enable_htools_rapi" = "check"; then
+      AC_MSG_WARN(m4_normalize([The curl library was not found, Haskell
+                                code will be compiled without RAPI support]))
+    else
+      AC_MSG_FAILURE(m4_normalize([The curl library was not found, but it has
+                                   been requested]))
+    fi
+  else
+    AC_MSG_NOTICE([Enabling curl/RAPI/RPC usage in Haskell code])
+  fi
+fi
+AC_SUBST(HTOOLS_NOCURL)
+
+HTOOLS_PARALLEL3=
+AC_GHC_PKG_CHECK([parallel-3.*], [HTOOLS_PARALLEL3=-DPARALLEL3],
+                 [AC_GHC_PKG_REQUIRE(parallel)], t)
+AC_SUBST(HTOOLS_PARALLEL3)
+
+# and now standard modules
+AC_GHC_PKG_REQUIRE(json)
+AC_GHC_PKG_REQUIRE(network)
+AC_GHC_PKG_REQUIRE(mtl)
+AC_GHC_PKG_REQUIRE(bytestring)
+AC_GHC_PKG_REQUIRE(utf8-string)
+
+# extra modules for confd functionality
+HTOOLS_REGEX_PCRE=-DNO_REGEX_PCRE
+has_confd=False
+if test "$enable_confd" != "no"; then
+  CONFD_PKG=
+  AC_GHC_PKG_CHECK([regex-pcre], [HTOOLS_REGEX_PCRE=],
+                   [CONFD_PKG="$CONFD_PKG regex-pcre"])
+  AC_GHC_PKG_CHECK([hslogger], [], [CONFD_PKG="$CONFD_PKG hslogger"])
+  AC_GHC_PKG_CHECK([Crypto], [], [CONFD_PKG="$CONFD_PKG Crypto"])
+  AC_GHC_PKG_CHECK([text], [], [CONFD_PKG="$CONFD_PKG text"])
+  AC_GHC_PKG_CHECK([hinotify], [], [CONFD_PKG="$CONFD_PKG hinotify"])
+  if test -z "$CONFD_PKG"; then
+    has_confd=True
+  else
+    if test "$enable_confd" = "check"; then
+      AC_MSG_WARN(m4_normalize([The required extra libraries for confd were
+                                not found ($CONFD_PKG), confd disabled]))
+    else
+      AC_MSG_FAILURE(m4_normalize([The confd functionality was requested, but
+                                   required libraries were not found:
+                                   $CONFD_PKG]))
+    fi
+  fi
+fi
+AC_SUBST(HTOOLS_REGEX_PCRE)
+if test "$has_confd" = "True"; then
+  AC_MSG_NOTICE([Enabling confd usage])
+fi
+AC_SUBST(ENABLE_CONFD, $has_confd)
+AM_CONDITIONAL([ENABLE_CONFD], [test x$has_confd = xTrue])
+
+# development modules
+HTOOLS_NODEV=
+AC_GHC_PKG_CHECK([QuickCheck-2.*], [], [HTOOLS_NODEV=1], t)
+AC_GHC_PKG_CHECK([test-framework-0.6*], [], [HTOOLS_NODEV=1], t)
+AC_GHC_PKG_CHECK([test-framework-hunit], [], [HTOOLS_NODEV=1])
+AC_GHC_PKG_CHECK([test-framework-quickcheck2], [], [HTOOLS_NODEV=1])
+if test -n "$HTOOLS_NODEV"; then
+   AC_MSG_WARN(m4_normalize([Required development modules were not found,
+                             you won't be able to run Haskell unittests]))
+else
+   AC_MSG_NOTICE([Haskell development modules found, unittests enabled])
+fi
+AC_SUBST(HTOOLS_NODEV)
+
+HTOOLS=yes
+AC_SUBST(HTOOLS)
+
+# --enable-split-query
+ENABLE_SPLIT_QUERY=
+AC_ARG_ENABLE([split-query],
+  [AS_HELP_STRING([--enable-split-query],
+  [enable use of custom query daemon via confd])],
+  [[case "$enableval" in
+      no)
+        enable_split_query=False
+        ;;
+      yes)
+        enable_split_query=True
+        ;;
+      *)
+        echo "Invalid value for enable-confd '$enableval'"
+        exit 1
+        ;;
+    esac
+  ]],
+  [[case "x${has_confd}x${HTOOLS_NOCURL}x" in
+     xTruexx)
+       enable_split_query=True
+       ;;
+     *)
+       enable_split_query=False
+       ;;
+   esac]])
+AC_SUBST(ENABLE_SPLIT_QUERY, $enable_split_query)
+
+if test x$enable_split_query = xTrue -a x$has_confd != xTrue; then
+  AC_MSG_ERROR([Split queries require the confd daemon])
+fi
+
+if test x$enable_split_query = xTrue -a x$HTOOLS_NOCURL != x; then
+  AC_MSG_ERROR([Split queries require the htools-rapi feature (curl library)])
+fi
+
+if test x$enable_split_query = xTrue; then
+  AC_MSG_NOTICE([Split query functionality enabled])
+fi
+
+# Check for HsColour
+HTOOLS_APIDOC=no
+AC_ARG_VAR(HSCOLOUR, [HsColour path])
+AC_PATH_PROG(HSCOLOUR, [HsColour], [])
+if test -z "$HSCOLOUR"; then
+  AC_MSG_WARN(m4_normalize([HsColour not found, htools API documentation will
+                            not be generated]))
+fi
+
+# Check for haddock
+AC_ARG_VAR(HADDOCK, [haddock path])
+AC_PATH_PROG(HADDOCK, [haddock], [])
+if test -z "$HADDOCK"; then
+  AC_MSG_WARN(m4_normalize([haddock not found, htools API documentation will
+                            not be generated]))
+fi
+if test "$HADDOCK" && test "$HSCOLOUR"; then
+  HTOOLS_APIDOC=yes
+fi
+AC_SUBST(HTOOLS_APIDOC)
+
+# Check for hlint
+HLINT=no
+AC_ARG_VAR(HLINT, [hlint path])
+AC_PATH_PROG(HLINT, [hlint], [])
+if test -z "$HLINT"; then
+  AC_MSG_WARN([hlint not found, checking code will not be possible])
+fi
+
+if test "$HTOOLS" != "yes" && test "$ENABLE_CONFD" = "True"; then
+   AC_MSG_ERROR(m4_normalize([cannot enable ganeti-confd if
+                              htools support is not enabled]))
+fi
+
+AM_CONDITIONAL([WANT_HTOOLS], [test x$HTOOLS = xyes])
+AM_CONDITIONAL([WANT_HTOOLSTESTS], [test "x$HTOOLS_NODEV" = x])
+AM_CONDITIONAL([WANT_HTOOLSAPIDOC], [test x$HTOOLS_APIDOC = xyes])
+AM_CONDITIONAL([HAS_HLINT], [test "$HLINT"])
+
+# Check for fakeroot
+AC_ARG_VAR(FAKEROOT_PATH, [fakeroot path])
+AC_PATH_PROG(FAKEROOT_PATH, [fakeroot], [])
+if test -z "$FAKEROOT_PATH"; then
+  AC_MSG_WARN(m4_normalize([fakeroot not found, tests that must run as root
+                            will not be executed]))
+fi
+AM_CONDITIONAL([HAS_FAKEROOT], [test "x$FAKEROOT_PATH" != x])
+
+SOCAT_USE_ESCAPE=
+AC_ARG_ENABLE([socat-escape],
+  [AS_HELP_STRING([--enable-socat-escape],
+    [use escape functionality available in socat >= 1.7 (default: detect
+     automatically)])],
+  [[if test "$enableval" = yes; then
+      SOCAT_USE_ESCAPE=True
+    else
+      SOCAT_USE_ESCAPE=False
+    fi
+  ]])
+
+if test -z "$SOCAT_USE_ESCAPE"
+then
+  if $SOCAT -hh | grep -w -q escape; then
+    SOCAT_USE_ESCAPE=True
+  else
+    SOCAT_USE_ESCAPE=False
+  fi
 fi
 
+AC_SUBST(SOCAT_USE_ESCAPE)
+
+SOCAT_USE_COMPRESS=
+AC_ARG_ENABLE([socat-compress],
+  [AS_HELP_STRING([--enable-socat-compress],
+    [use OpenSSL compression option available in patched socat builds
+     (see INSTALL for details; default: detect automatically)])],
+  [[if test "$enableval" = yes; then
+      SOCAT_USE_COMPRESS=True
+    else
+      SOCAT_USE_COMPRESS=False
+    fi
+  ]])
+
+if test -z "$SOCAT_USE_COMPRESS"
+then
+  if $SOCAT -hhh | grep -w -q openssl-compress; then
+    SOCAT_USE_COMPRESS=True
+  else
+    SOCAT_USE_COMPRESS=False
+  fi
+fi
+
+AC_SUBST(SOCAT_USE_COMPRESS)
+
+if man --help | grep -q -e --warnings
+then
+  MAN_HAS_WARNINGS=1
+else
+  MAN_HAS_WARNINGS=
+  AC_MSG_WARN(m4_normalize([man does not support --warnings, man page checks
+                            will not be possible]))
+fi
+
+AC_SUBST(MAN_HAS_WARNINGS)
+
 # Check for Python
 AM_PATH_PYTHON(2.4)
 
 AC_PYTHON_MODULE(OpenSSL, t)
 AC_PYTHON_MODULE(simplejson, t)
 AC_PYTHON_MODULE(pyparsing, t)
+AC_PYTHON_MODULE(pyinotify, t)
+AC_PYTHON_MODULE(pycurl, t)
+AC_PYTHON_MODULE(affinity)
+
+# This is optional but then we've limited functionality
+AC_PYTHON_MODULE(paramiko)
+if test "$HAVE_PYMOD_PARAMIKO" = "no"; then
+  AC_MSG_WARN(m4_normalize([You do not have Paramiko installed. While this is
+                            optional you have to configure SSH and the node
+                            daemon on the joining nodes yourself.]))
+fi
 
 AC_CONFIG_FILES([ Makefile ])