AC_PREREQ(2.54)

AC_INIT(libocfs2/bitmap.c)

PACKAGE=ocfs2-tools

AC_SUBST(PACKAGE)

# Adjust these for the software version.
MAJOR_VERSION=1
MINOR_VERSION=6
MICRO_VERSION=4
EXTRA_VERSION=

DIST_VERSION=$MAJOR_VERSION.$MINOR_VERSION.$MICRO_VERSION
if test -z "$EXTRA_VERSION"; then
    VERSION=$DIST_VERSION
else
    VERSION=$DIST_VERSION-$EXTRA_VERSION
fi

AC_SUBST(MAJOR_VERSION)
AC_SUBST(MINOR_VERSION)
AC_SUBST(MICRO_VERSION)
AC_SUBST(EXTRA_VERSION)

AC_SUBST(DIST_VERSION)
AC_SUBST(VERSION)

AC_CANONICAL_HOST

case "$host" in
  *-*-linux*)
    ;;
  *)
    AC_MSG_ERROR([This filesystem will only work on Linux])
    ;;
esac

#
# If CFLAGS is non-empty, leave the debugging and optimization symobls
# to the caller.  Otherwise, set them according to --enable-debug.
#
OCFS2_DEBUG=
AC_MSG_CHECKING(for debugging)
if test "x$CFLAGS" = "x"; then
  AC_ARG_ENABLE(debug, [  --enable-debug=[yes/no]         Turn on debugging [default=no]],,enable_debug=no)
  if test "x$enable_debug" = "xyes"; then
    OCFS2_DEBUG=yes
    CFLAGS="-g"
  else
    CFLAGS="-O2"
  fi
  AC_MSG_RESULT($enable_debug)
else
  AC_MSG_RESULT([skipped, CFLAGS is set])
fi
AC_SUBST(OCFS2_DEBUG)

AC_PROG_CC
AC_PROG_CPP

#
# If OCFS2_DEBUG was set, we know CFLAGS must be "-g".  If we're using
# GNU C, get extra debugging symbols.
#
if test "x$GCC" = "xyes" -a "x$OCFS2_DEBUG" = "xyes"; then
  CFLAGS="-ggdb"
fi

AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB

AC_PATH_PROG(AR, ar)

AC_HEADER_STDC
AC_C_CONST

MB_VENDOR(VENDOR)

if test "x$GCC" != "xyes"; then
  AC_MSG_ERROR(GCC is required)
fi

AC_ARG_WITH([root-prefix], [  --with-root-prefix=PREFIX override prefix variable for files to be placed in the root], root_prefix=$withval, root_prefix="")

root_bindir='${root_prefix}/bin'
root_sbindir='${root_prefix}/sbin'
root_sysconfdir='${root_prefix}/etc'

AC_SUBST(root_prefix)
AC_SUBST(root_bindir)
AC_SUBST(root_sbindir)
AC_SUBST(root_sysconfdir)

COM_ERR_LIBS=
PKG_CHECK_MODULES(COM_ERR, com_err,, [
  AC_CHECK_LIB(com_err, com_err, COM_ERR_LIBS=-lcom_err)
  if test "x$COM_ERR_LIBS" = "x"; then
    AC_MSG_ERROR([Unable to find com_err library])
  fi
  AC_CHECK_HEADER(et/com_err.h, :,
    AC_MSG_ERROR([Unable to find com_err headers]))
  AC_SUBST(COM_ERR_LIBS)
])

UUID_LIBS=
AC_CHECK_LIB(uuid, uuid_unparse, UUID_LIBS=-luuid)
if test "x$UUID_LIBS" = "x"; then
  AC_MSG_ERROR([Unable to find uuid library])
fi
AC_CHECK_HEADER(uuid/uuid.h, :,
  AC_MSG_ERROR([Unable to find uuid headers]))
AC_SUBST(UUID_LIBS)

NCURSES_LIBS=
AC_CHECK_LIB(ncurses, tgetstr, NCURSES_LIBS=-lncurses)
if test "x$NCURSES_LIBS" = "x"; then
  AC_MSG_ERROR([Unable to find ncurses library])
fi
AC_SUBST(NCURSES_LIBS)

saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -lncurses"
READLINE_LIBS=
AC_CHECK_LIB(readline, readline, READLINE_LIBS=-lreadline)
if test "x$READLINE_LIBS" = "x"; then
  AC_MSG_ERROR([Unable to find readline library])
fi
AC_CHECK_HEADER(readline/readline.h, :,
  AC_MSG_ERROR([Unable to find readline headers]))
AC_SUBST(READLINE_LIBS)
LDFLAGS="$saved_LDFLAGS"

AC_MSG_CHECKING(for debug executables)
AC_ARG_ENABLE(debugexe, [  --enable-debugexe=[yes/no]     Enable debug executables for library source files [default=no]],,enable_debugexe=no)
OCFS2_DEBUG_EXE=
if test "x$enable_debugexe" = "xyes"; then
    OCFS2_DEBUG_EXE=yes
fi
AC_SUBST(OCFS2_DEBUG_EXE)
AC_MSG_RESULT($enable_debugexe)

GLIB_REQUIRED_VERSION=2.2.3

AM_PATH_GLIB_2_0($GLIB_REQUIRED_VERSION, have_glib=yes,
 AC_MSG_ERROR([GLib $GLIB_REQUIRED_VERSION or better is required]))


#
# Can we build statically?  This is important
#
dyn_save_CFLAGS="$CFLAGS"
dyn_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $GLIB_CFLAGS"
LIBS="-static $LIBS $GLIB_LIBS $COM_ERR_LIBS"

AC_MSG_CHECKING(whether glib and com_err can be linked statically)
AC_TRY_LINK([
#include <et/com_err.h>
#include <glib.h>
#include <stdio.h>
], [ char *e = error_message(-1); return ((glib_major_version) || (glib_minor_version) || (glib_micro_version)); ], [
static_lib_link=yes
], [
static_lib_link=no
])
AC_MSG_RESULT($static_lib_link)

CFLAGS="$dyn_save_CFLAGS"
LIBS="$dyn_save_LIBS"


OCFS2_DYNAMIC_FSCK=
AC_MSG_CHECKING(whether to build fsck dynamically)
AC_ARG_ENABLE([dynamic-fsck], [  --enable-dynamic-fsck=[yes/no]    Build fsck dynamically [default=no]],,enable_dynamic_fsck=detect)
if test "x$enable_dynamic_fsck" = "xdetect"; then
    if test "x$static_lib_link" = "xyes"; then
        enable_dynamic_fsck=no
    else
        enable_dynamic_fsck=yes
    fi
fi
AC_MSG_RESULT($enable_dynamic_fsck)
if test "x$static_lib_link" = "xno" -a "x$enable_dynamic_fsck" = "xno"; then
    AC_MSG_ERROR([Unable to statically link fsck.ocfs2])
fi
if test "x$enable_dynamic_fsck" = "xyes"; then
    OCFS2_DYNAMIC_FSCK=yes
fi
AC_SUBST(OCFS2_DYNAMIC_FSCK)

OCFS2_DYNAMIC_CTL=
AC_MSG_CHECKING(whether to build cluster control tools dynamically)
AC_ARG_ENABLE([dynamic-ctl], [  --enable-dynamic-ctl=[yes/no]    Build cluster control tools dynamically [default=no]],,enable_dynamic_ctl=detect)
if test "x$enable_dynamic_ctl" = "xdetect"; then
    if test "x$static_lib_link" = "xyes"; then
        enable_dynamic_ctl=no
    else
        enable_dynamic_ctl=yes
    fi
fi
AC_MSG_RESULT($enable_dynamic_ctl)
if test "x$static_lib_link" = "xno" -a "x$enable_dynamic_ctl" = "xno"; then
    AC_MSG_ERROR([Unable to statically link cluster control tools])
fi
if test "x$enable_dynamic_ctl" = "xyes"; then
    OCFS2_DYNAMIC_CTL=yes
fi
AC_SUBST(OCFS2_DYNAMIC_CTL)


BUILD_DEBUGOCFS2=

ocfs_tools_save_LIBS="$LIBS"
LIBS="$LIBS -lncurses"
AC_CHECK_LIB(readline, readline,
  [AC_CHECK_HEADER(readline/readline.h,
    BUILD_DEBUGOCFS2=yes,
    [AC_MSG_WARN([readline not found, debugfs.ocfs2 will not be built])])],
  [AC_MSG_WARN([readline not found, debugfs.ocfs2 will not be built])])
LIBS="$ocfs_tools_save_LIBS"

AC_SUBST(BUILD_DEBUGOCFS2)

pcmk_found=
AC_CHECK_LIB(crmcluster, crm_get_peer,
  [AC_CHECK_HEADER(pacemaker/crm_config.h, pcmk_found=yes,
    [AC_MSG_WARN([Pacemaker headers not found, pacemaker support will not be built])])],
  [AC_MSG_WARN([libcrmcluster not found, pacemaker support will not be built])])

# We use cman_replyto_shutdown to insure a new enough libcman
cman_found=
AC_CHECK_LIB(cman, cman_replyto_shutdown,
  [AC_CHECK_HEADER(libcman.h, cman_found=yes,
    [AC_MSG_WARN([libcman.h not found, cman support will not be built])])],
  [AC_MSG_WARN([libcman not found, cman support will not be built])])

cpg_found=
HAVE_COROSYNC=
AC_CHECK_HEADER(corosync/cpg.h, [
  cpg_found=yes
  HAVE_COROSYNC=yes ],
  [AC_CHECK_HEADER(openais/cpg.h, cpg_found=yes,
    [AC_MSG_WARN([openais/cpg.h not found, ocfs2_controld will not be built])])])
AC_SUBST(HAVE_COROSYNC)

#
# We can't use AC_CHECK_LIB on corosync or openais libraries, because they
# are in ${libdir}/corosync or ${libdir}/openais, and we can't expand it in
# configure.in.  What we'll try instead is to search AIS_TRY_PATH for
# -L<element>/<package> -l<lib>.
# NOTE that the initial colon ':' is *intentional*.  We want the empty
# string first in case the user passed LDFLAGS.
#
AIS_TRY_PATH=":/usr/lib64:/usr/lib:/usr/local/lib64:/usr/local/lib"

CPG_LDFLAGS=
if test "x$cpg_found" = "xyes"; then
    cpg_found=
    if test "x$HAVE_COROSYNC" = "xyes"; then
        cpg_package=corosync
    else
        cpg_package=openais
    fi
    TRY_PATH="$AIS_TRY_PATH"
    AC_MSG_CHECKING([for cpg_initialize in -lcpg])
    while test "x$TRY_PATH" != "x"; do
        TRY="`echo $TRY_PATH | cut -f1 -d:`"
        NEW_TRY_PATH="`echo $TRY_PATH | cut -f2- -d:`"
        if test "x$NEW_TRY_PATH" != "x$TRY_PATH"; then
            TRY_PATH="$NEW_TRY_PATH"
        else
            TRY_PATH=""
        fi

        if test "x$TRY" != "x"; then
            TRY="-L${TRY}/${cpg_package}"
        fi
        # TRY="$TRY"

        saved_LIBS="$LIBS"
        LIBS="$LIBS $TRY -lcpg"
        AC_LINK_IFELSE([AC_LANG_CALL([], [cpg_initialize])],
        	       cpg_found=yes)
        LIBS="$saved_LIBS"

        if test "x$cpg_found" = "xyes"; then
            CPG_LDFLAGS="$TRY"
            break
        fi
    done
fi
if test "x$cpg_found" = "xyes"; then
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
    AC_MSG_WARN([libcpg not found, ocfs2_controld will not be built])
fi
AC_SUBST(CPG_LDFLAGS)

ckpt_found=
AC_CHECK_HEADER(openais/saCkpt.h, ckpt_found=yes,
  [AC_MSG_WARN([openais/saCkpt.h not found, ocfs2_controld will not be built])],
  [#include <openais/saAis.h>])

AIS_LDFLAGS=
if test "x$ckpt_found" = "xyes"; then
    ckpt_found=
    TRY_PATH="$AIS_TRY_PATH"
    AC_MSG_CHECKING([for saCkptInitialize in -lSaCkpt])
    while test "x$TRY_PATH" != "x"; do
        TRY="`echo $TRY_PATH | cut -f1 -d:`"
        NEW_TRY_PATH="`echo $TRY_PATH | cut -f2- -d:`"
        if test "x$NEW_TRY_PATH" != "x$TRY_PATH"; then
            TRY_PATH="$NEW_TRY_PATH"
        else
            TRY_PATH=""
        fi

        if test "x$TRY" != "x"; then
            TRY="-L${TRY}/openais"
        fi
        # TRY="$TRY"

        saved_LIBS="$LIBS"
        LIBS="$LIBS $TRY -lSaCkpt"
        AC_LINK_IFELSE([AC_LANG_CALL([], [saCkptInitialize])],
        	       ckpt_found=yes)
        LIBS="$saved_LIBS"

        if test "x$ckpt_found" = "xyes"; then
            AIS_LDFLAGS="$TRY"
            break
        fi
    done
fi
if test "x$ckpt_found" = "xyes"; then
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
    AC_MSG_WARN([libSaCkpt not found, ocfs2_controld will not be built])
fi
AC_SUBST(AIS_LDFLAGS)

libdlmcontrol_found=
AC_CHECK_LIB(dlmcontrol, dlmc_fs_connect,
  [AC_CHECK_HEADER(libdlmcontrol.h, libdlmcontrol_found=yes,
    [AC_MSG_WARN([libdlmcontrol.h not found, ocfs2_controld will not be built])],
    [
#include <sys/stat.h>
#include <inttypes.h>
#include <libdlm.h>
])],
  [AC_MSG_WARN([libdlmcontrol not found, ocfs2_controld will not be built])])

LIBDLM_FOUND=
AC_CHECK_HEADER(libdlm.h, LIBDLM_FOUND=yes,
  [AC_MSG_WARN([libdlm.h not found, fsdlm support will not be built])])
AC_SUBST(LIBDLM_FOUND)

fsdlm_found=
if test "x$LIBDLM_FOUND" = "xyes"; then
  AC_CHECK_LIB(dlm_lt, dlm_create_lockspace, fsdlm_found=yes)
  if test "xfsdlm_found" = "xyes"; then
    AC_MSG_WARN([libdlm_lt not found, fsdlm support will not be built])
  fi
fi

BUILD_FSDLM_SUPPORT=
DL_LIBS=
if test "x$fsdlm_found" = "xyes"; then
  BUILD_FSDLM_SUPPORT=yes
  DL_LIBS=-ldl
fi
AC_SUBST(BUILD_FSDLM_SUPPORT)
AC_SUBST(DL_LIBS)

BUILD_OCFS2_CONTROLD=
if test "x$cpg_found" = "xyes" -a "x$ckpt_found" = "xyes" -a "x$libdlmcontrol_found" = "xyes"; then
  if test "x$fsdlm_found" = "xyes"; then
    BUILD_OCFS2_CONTROLD=yes
  else
    AC_MSG_WARN([fsdlm support is not available, ocfs2_controld will not be built])
  fi
fi
AC_SUBST(BUILD_OCFS2_CONTROLD)

BUILD_PCMK_SUPPORT=
if test "x$pcmk_found" = "xyes" -a "x$BUILD_OCFS2_CONTROLD" = "xyes"; then
  BUILD_PCMK_SUPPORT=yes
fi
AC_SUBST(BUILD_PCMK_SUPPORT)

BUILD_CMAN_SUPPORT=
if test "x$cman_found" = "xyes" -a "x$BUILD_OCFS2_CONTROLD" = "xyes"; then
  BUILD_CMAN_SUPPORT=yes
fi
AC_SUBST(BUILD_CMAN_SUPPORT)

BUILD_OCFS2CONSOLE=
AC_ARG_ENABLE(ocfs2console, [  --enable-ocfs2console=[yes/no]    Build GUI frontend [default=yes]],,enable_ocfs2console=yes)

if test "x$enable_ocfs2console" = "xyes"; then
  dnl check for Python
  AM_PATH_PYTHON(2.3, have_python=yes, have_python=no)

  if test "x$have_python" = "xyes"; then
    AM_CHECK_PYTHON_HEADERS(have_pythondev=yes, have_pythondev=no)

    if test "x$have_pythondev" = "xyes"; then
      if $PYTHON -c 'import gobject' >/dev/null 2>&1; then
        BUILD_OCFS2CONSOLE=yes
        OCFS2_BLKID
      else
        AC_MSG_WARN([could not find PyGTK, ocfs2console will not be built])
      fi 
    else
      AC_MSG_WARN([could not find Python headers, ocfs2console will not be built])
    fi
  else
    AC_MSG_WARN([could not find Python 2.3 or higher, ocfs2console will not be built])
  fi
fi

AC_SUBST(BUILD_OCFS2CONSOLE)

AC_CONFIG_FILES([
Config.make
o2cb.pc
o2dlm.pc
ocfs2.pc
ocfs2console/ocfs2interface/confdefs.py
debugfs.ocfs2/debugfs.ocfs2.8
mkfs.ocfs2/mkfs.ocfs2.8
mounted.ocfs2/mounted.ocfs2.8
fsck.ocfs2/fsck.ocfs2.8
fsck.ocfs2/fsck.ocfs2.checks.8
mount.ocfs2/mount.ocfs2.8
o2cb_ctl/o2cb_ctl.8
ocfs2_hb_ctl/ocfs2_hb_ctl.8
ocfs2console/ocfs2console.8
tunefs.ocfs2/tunefs.ocfs2.8
o2image/o2image.8
o2info/o2info.1
libo2cb/o2cb.7
vendor/common/ocfs2-tools.spec-generic
])

AC_OUTPUT