+ 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