AC_PREREQ(2.59)AC_INIT(configure.in)dnldnl Set the directory that contains support scripts such as install-sh anddnl config.guessdnlAC_CONFIG_AUX_DIR(../../../../../confdb)dnldnl Definitions will be placed in this file rather than in the DEFS variablednlAC_CONFIG_HEADER(include/mpidi_ch3i_ib_conf.h)echo "RUNNING CONFIGURE FOR THE INFINIBAND CHANNEL"save_libs=$LIBSLIBS=dnldnl First check that we have a clean build if we are doing a VPATH buildif test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status ; then    AC_MSG_ERROR([You cannot do a VPATH build if the source directory has been    configured.  Run "make distclean" in $srcdir first.])fifile=${master_top_srcdir}/src/mpid/${device_name}/channels/ib/setup_channel.argsif test -f ${file} ; then    . ${file}else    AC_MSG_ERROR([Setup file $file was not found])fi# FIXME:# *Never* unconditionally add libraries and paths to these variables.  # autoconf provides routines to check for these, USE THEM!if test "$ibu_name" = ibal ; then    AC_DEFINE(USE_IB_IBAL,,[Define to use the SourceForge ibal interface])    IB_LIBS="$IB_LIBS -lallib -lcomplib -lpthread -ldl"# FIXME:# It isn't reasonable to ask the user to fix this in configure.in, since# they may have trouble rebuilding configure (and the path needs to be# checked anyway).  Provide a better solution, such as a documented # environment variable.# As an example of how easy it is to be nicer to the user, I've included# an examble.    if test ! -d "/usr/sf-iba/iba/linuxuser/bin/x86/2.4.18-19.7.x/lib/free" ; then         AC_MSG_ERROR([Did not find the expected directory (/usr/sf-iba/iba/linuxuser/bin/x86/2.4.18-19.7.x/lib/free) that must contain the Ibfiniband libraries (see src/mpid/ch3/channels/ib/configure.in)])    fi    # This hard-coded path needs to be generated or specified by the user    IB_LDFLAGS="$IB_LDFLAGS -L/usr/sf-iba/iba/linuxuser/bin/x86/2.4.18-19.7.x/lib/free"elif test "$ibu_name" = vapi ; then    # FIXME: see /usr/mellanox/lib for one possible location for ibu_path_lib    libsFound=yes    saveLDFLAGS="$LDFLAGS"    LDFLAGS="$LDFLAGS -L$ibu_path_lib"    AC_SEARCH_LIBS(VAPI_bind_mw,vapi,,libFound=no)    AC_SEARCH_LIBS(mtl_strerror,mtl_common,,libFound=no)    AC_SEARCH_LIBS(MPGA_print_pkt,mpga,,libFound=no)    if test "$libFound" != "yes" ; then         AC_MSG_ERROR([Did not find the libraries required for the vapi version of the ib channel])    fi    LDFLAGS="$saveLDFLAGS"    AC_DEFINE(USE_IB_VAPI,,[Define to use the Mellanox vapi interface])    IB_LIBS="$IB_LIBS $LIBS -lmtl_common -lvapi -lmpga -lpthread"    IB_LDFLAGS="$IB_LDFLAGS -L$ibu_path_lib"else    AC_MSG_ERROR([Unknown IB name $ibu_name])fiPAC_PROG_MAKEAC_DEFINE(MPID_IBU_TYPE_UNIX,,[Define to use unix iovecs])AC_CHECK_HEADERS(				\    assert.h					\    malloc.h					\    errno.h					\    fcntl.h					\    netdb.h					\    netinet/in.h				\    netinet/tcp.h				\    stdlib.h					\    sys/param.h					\    sys/poll.h					\    sys/socket.h				\    sys/types.h					\    unistd.h)AC_SEARCH_LIBS(socket,socket)AC_SEARCH_LIBS(gethostbyname,nsl)LIBS=$save_libsAC_SUBST(IB_LIBS)dnl CPPFLAGS is set in setup_channeldnl IB_CPPFLAGS="$IB_CPPFLAGS -I/usr/mellanox/include -I/usr/mellanox/wrap"dnl AC_SUBST(IB_CPPFLAGS)AC_SUBST(IB_LDFLAGS)AC_SUBST(device_name)AC_SUBST(channel_name)AC_SUBST(AR)AC_SUBST(RANLIB)AC_SUBST(MPILIBNAME)AC_SUBST(CC)AC_SUBST(CFLAGS)AC_SUBST(CPPFLAGS)PAC_CC_SUBDIR_SHLIBSAC_SUBST(master_top_srcdir)AC_SUBST(master_top_builddir)dnldnl Dependency handlingAC_SUBST(MAKE_DEPEND_C)AC_OUTPUT(Makefile src/Makefile localdefs)