configure.in

AC_PREREQ(2.54)

AC_INIT(programs)

PACKAGE=ocfs2-test

AC_SUBST(PACKAGE)

MPICC=`which mpicc`
INSTALLDIR=/usr/local
# Adjust these for the software version.
MAJOR_VERSION=1
MINOR_VERSION=0
MICRO_VERSION=4
EXTRA_VERSION=0

# Adjust this only to bump the RPM packaging version
RPM_VERSION=1

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_SUBST(RPM_VERSION)

AC_CANONICAL_HOST

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

AC_PROG_CC
AC_PROG_CPP

AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_RANLIB

AC_PATH_PROG(AR, ar)

AC_HEADER_STDC
AC_C_CONST

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

AC_PATH_PROG(MPICC, mpicc)
if test "x$MPICC" = "x"; then
  AC_MSG_ERROR([mpicc not found. Install openmpi-libs, openmpi-devel, openmpi and mpi-selector packages. Use mpi-selector to set it as default.])
fi

AC_CHECK_LIB(aio, io_setup, [
  AC_CHECK_HEADER(libaio.h, :, [
    AC_MSG_ERROR([Unable to find libaio header])
  ])], [
    AC_MSG_ERROR([Unable to find the libaio library])
  ])

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)
])

O2CB_LIBS=
PKG_CHECK_MODULES(O2CB, o2cb,, [
  AC_CHECK_LIB(o2cb, o2cb_init, O2CB_LIBS="-lo2cb $COM_ERR_LIBS")
  if test "x$O2CB_LIBS" = "x"; then
    AC_MSG_ERROR([Unable to find o2cb library])
  fi
  AC_CHECK_HEADER(o2cb/o2cb.h, :,
    AC_MSG_ERROR([Unable to find o2cb headers]))
  AC_SUBST(O2CB_LIBS)
])

O2DLM_LIBS=
PKG_CHECK_MODULES(O2DLM, o2dlm,, [
  AC_CHECK_LIB(o2dlm, o2dlm_initialize, O2DLM_LIBS="-lo2dlm $COM_ERR_LIBS")
  if test "x$O2DLM_LIBS" = "x"; then
    AC_MSG_ERROR([Unable to find o2dlm library])
  fi
  AC_CHECK_HEADER(o2dlm/o2dlm.h, :,
    AC_MSG_ERROR([Unable to find o2dlm headers]))
  AC_SUBST(O2DLM_LIBS)
])

OCFS2_LIBS=
PKG_CHECK_MODULES(OCFS2, ocfs2,, [
  AC_CHECK_LIB(ocfs2, ocfs2_open, OCFS2_LIBS="-locfs2 -lo2dlm -lo2cb $COM_ERR_LIBS")
  if test "x$OCFS2_LIBS" = "x"; then
    AC_MSG_ERROR([Unable to find ocfs2 library])
  fi
  AC_CHECK_HEADER(ocfs2/ocfs2.h, :,
    AC_MSG_ERROR([Unable to find ocfs2 headers]))
  AC_SUBST(OCFS2_LIBS)
])

AC_MSG_CHECKING(whether to enable third party packages)
AC_ARG_ENABLE([third-party], [  --enable-third-party=[yes/no]   Enable third party software build (Disabled by default)],, enable_third_party=no)
OCFS2_TEST_ENABLE_THIRDPARTY=
if test "x$enable_third_party" = "xyes"; then
    OCFS2_TEST_ENABLE_THIRDPARTY=yes
fi
AC_SUBST(OCFS2_TEST_ENABLE_THIRDPARTY)
AC_MSG_RESULT($enable_third_party)

dnl check for Python
AM_PATH_PYTHON(2.3, , AC_MSG_ERROR([could not find Python 2.3 or higher.]))

API_COMPAT_HEADERS=""
API_COMPAT_CFLAGS=""

NO_REFLINK=
OCFS2_CHECK_HEADERS([reflink() in unistd.h], unistd.h, ,
  NO_REFLINK=yes, [reflink])
AC_SUBST(NO_REFLINK)

if test "x$NO_REFLINK" = "xyes"; then
API_COMPAT_HEADERS="$API_COMPAT_HEADERS reflink.h"
fi

for h in $API_COMPAT_HEADERS; do
  API_COMPAT_CFLAGS="$API_COMPAT_CFLAGS -include \$(TOPDIR)/api-compat/include/$h"
done

AC_SUBST(API_COMPAT_CFLAGS)

AC_CONFIG_FILES([
Config.make
vendor/common/ocfs2-test.spec-generic
])

AC_OUTPUT