# libguestfs
# Copyright (C) 2009 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., 675 Mass Ave, Cambridge, MA 02139, USA.

AC_INIT([libguestfs],[1.0.33])
AM_INIT_AUTOMAKE

AC_CONFIG_MACRO_DIR([m4])

AC_PROG_LIBTOOL

dnl Check for basic C environment.
AC_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_CPP

AC_C_PROTOTYPES
test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])

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])

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])
	])

dnl Check for pod2man and pod2text.
AC_CHECK_PROG([POD2MAN],[pod2man],[pod2man],[no])
test "x$POD2MAN" = "xno" &&
     AC_MSG_ERROR([pod2man must be installed])
AC_CHECK_PROG([POD2TEXT],[pod2text],[pod2text],[no])
test "x$POD2TEXT" = "xno" &&
     AC_MSG_ERROR([pod2text must be installed])

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"
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$PATH_SEPARATOR/sbin])
test "x$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
if test "x$vmchannel_test" != "xno"; then
    AC_MSG_CHECKING([for vmchannel 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([no])
	AC_MSG_FAILURE(
[I did not find 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:

http://lists.gnu.org/archive/html/qemu-devel/2009-02/msg01042.html

You can override this test by setting the environment variable
vmchannel_test=no  However if you don't have vmchannel 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
    AC_MSG_RESULT([yes])
fi

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" && \
     AC_MSG_ERROR([febootstrap-run must be installed])
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_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

dnl --with-repo to specify a Fedora repository.
AC_ARG_WITH([repo],
	[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-f11@:>@])],
	[],
	[with_updates=updates-released-f11])
UPDATES="$with_updates"
AC_SUBST(UPDATES)
AC_DEFINE_UNQUOTED([UPDATES],["$UPDATES"],[Name of Fedora updates repository.])

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=])
MIRROR="$with_mirror"
AC_SUBST(MIRROR)

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 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 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).
AC_CHECK_PROG([PYTHON],[python],[python],[no])

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$with_java_home" != "xcheck"
    then
        if test -d "$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 the inspector.
missing_perl_modules=no
for pm in Pod::Usage Getopt::Long Sys::Virt Data::Dumper; 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-inspector are missing])
fi

AM_CONDITIONAL([HAVE_INSPECTOR],
    [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])

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 po/Makefile.in examples/Makefile
		 images/Makefile
		 ocaml/Makefile ocaml/examples/Makefile
		 perl/Makefile
		 python/Makefile
		 ruby/Makefile ruby/Rakefile
		 java/Makefile
		 haskell/Makefile
		 inspector/Makefile
	         make-initramfs.sh update-initramfs.sh
		 libguestfs.pc
		 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$HAVE_HASKELL" = "x"; then echo "yes"; else echo "no"; fi
echo -n "virt-inspector ...................... "
if test "x$HAVE_INSPECTOR" = "x"; then echo "yes"; else echo "no"; fi
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 fedora-virt mailing list:"
echo "http://www.redhat.com/mailman/listinfo/fedora-virt"
echo
echo "Next you should type 'make' to build the package,"
echo "then 'make check' to run the tests."
echo "------------------------------------------------------------"