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)dnl The MPICH2 top-level configure adds a bunch of flags to thednl user-defined CFLAGS by processing different configure command-linednl arguments (--enable-g, --enable-default-optimization). These updateddnl flags are passed down as a separate flag. Here, we don't care aboutdnl the user-defined flags, but rather this updated flags, so we justdnl overwrite CFLAGS with them.PAC_SUBCONFIG_INIT()dnldnl Definitions will be placed in this file rather than in the DEFS variablednlAC_CONFIG_HEADER(mpidi_ch3shm_conf.h)AH_TOP([/* -*- Mode: C; c-basic-offset:4 ; -*- *//*   *  (C) 2001 by Argonne National Laboratory. *      See COPYRIGHT in top-level directory. */#ifndef MPIDI_CH3SHM_CONF_H_INCLUDED#define MPIDI_CH3SHM_CONF_H_INCLUDED])AH_BOTTOM([#endif])AC_DEFINE(HAVE_MPIDI_CH3SHM_CONF,1,[Define so that we can test whether the mpidi_ch3shm_conf.h file has been included])echo "RUNNING CONFIGURE FOR CH3 UTIL/SHM SUPPORT"# First check that we have a clean build if we are doing a VPATH buildPAC_VPATH_CHECK()# -----------------------------------------------------------------------------# experiment with creating a cache file.  Load if it exists#if test -n "$CONF_BASE_CACHEFILE" -a -s "$CONF_BASE_CACHEFILE" ; then#    echo "Loading base cachefile $CONF_BASE_CACHEFILE"#    . $CONF_BASE_CACHEFILE#    export CONF_BASE_CACHEFILE#fiPAC_LOAD_BASE_CACHE# -----------------------------------------------------------------------------PAC_PROG_MAKEAC_CHECK_PROGS(AR,ar)if test -z "$AR" ; then    AC_MSG_ERROR([The program ar is required for building MPICH2.  Make sure that your path includes ar])fi# Note that we set RANLIB to true if we don't find it (some systems neither# need it nor provide it)AC_CHECK_PROGS(RANLIB,ranlib,true)AC_CHECK_HEADERS(assert.h limits.h string.h sys/types.h uuid/uuid.h \    time.h ctype.h unistd.h )# Check for special typesAC_TYPE_PID_T# Check for functionsAC_CHECK_FUNCS(inet_pton)AC_CHECK_FUNCS(gethostname)if test "$ac_cv_func_gethostname" = "yes" ; then    # Do we need to declare gethostname?    PAC_FUNC_NEEDS_DECL([#include <unistd.h>],gethostname)fiAC_CHECK_FUNCS(CFUUIDCreate uuid_generate time)AC_SEARCH_LIBS(uuid_generate, uuid)AC_CACHE_CHECK([whether CPP accepts variable length argument lists],pac_cv_have_cpp_varargs,[AC_TRY_COMPILE([#include <stdio.h>#define MY_PRINTF(rank, fmt, args...)  printf("%d: " fmt, rank, ## args)],[MY_PRINTF(0, "hello");MY_PRINTF(1, "world %d", 3);], pac_cv_have_cpp_varargs=yes, pac_cv_have_cpp_varargs=no)])if test $pac_cv_have_cpp_varargs = "yes" ; then    AC_DEFINE(HAVE_CPP_VARARGS,,[Define if CPP supports macros with a variable number arguments])fiAC_C_BIGENDIAN# If we need the socket code, see if we can use struct ifconf# sys/socket.h is needed on SolarisAC_CACHE_CHECK([whether we can use struct ifconf],pac_cv_have_struct_ifconf,[AC_TRY_COMPILE([#include <sys/types.h>#ifdef HAVE_SYS_SOCKET_H#include <sys/socket.h>#endif#include <net/if.h>],[struct ifconf conftest;],pac_cv_have_struct_ifconf=yes,pac_cv_have_struct_ifconf=no)])if test "$pac_cv_have_struct_ifconf" = "no" ; then    # Try again with _SVID_SOURCE    AC_CACHE_CHECK([whether we can use struct ifconf with _SVID_SOURCE],pac_cv_have_struct_ifconf_with_svid,[AC_TRY_COMPILE([#define _SVID_SOURCE#include <sys/types.h>#ifdef HAVE_SYS_SOCKET_H#include <sys/socket.h>#endif#include <net/if.h>],[struct ifconf conftest;],pac_cv_have_struct_ifconf_with_svid=yes,pac_cv_have_struct_ifconf_with_svid=no)])    if test "$pac_cv_have_struct_ifconf_with_svid" = yes ; then        AC_DEFINE(USE_SVIDSOURCE_FOR_IFCONF,1,[Define if _SVID_SOURCE needs to be defined for struct ifconf])    fifiif test "$pac_cv_have_struct_ifconf" = "yes" -o \        "$pac_cv_have_struct_ifconf_with_svid" = "yes" ; then    AC_DEFINE(HAVE_STRUCT_IFCONF,1,[Define if struct ifconf can be used])fi## We need to know whether to use %d or %ld for writing out MPI_Aint valuesAC_CHECK_SIZEOF(int,$CROSS_SIZEOF_INT)AC_CHECK_SIZEOF(long,$CROSS_SIZEOF_LONG)AC_CHECK_SIZEOF(long long,$CROSS_SIZEOF_LONG)AC_CHECK_SIZEOF(void *,$CROSS_SIZEOF_VOID_P)if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_void_p" ; then    :elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_void_p" ; then    AC_DEFINE(MPI_AINT_IS_LONG_INT,1,[Define if the size of an MPI_Aint is long])elif test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_void_p" ; then    AC_DEFINE(MPI_AINT_IS_LONG_LONG_INT,1,[Define if the size of an MPI_Aint is long long])fiAC_SUBST(AR)AC_SUBST(RANLIB)AC_SUBST(MPILIBNAME)AC_SUBST(CC)AC_SUBST(DEFS)AC_SUBST(CFLAGS)AC_SUBST(CPPFLAGS)PAC_CC_SUBDIR_SHLIBSAC_SUBST(master_top_srcdir)# Master_top_builddir is imported from the top; use it for the "top"AC_SUBST(master_top_builddir)export master_top_builddirdnl Dependency handlingAC_SUBST(MAKE_DEPEND_C)dnl EtagsAC_CHECK_PROGS(ETAGS,etags,true)AC_SUBST(ETAGS)AC_SUBST(ETAGSADD)export ETAGSexport ETAGSADDAC_SUBST(EXTRA_LIBS)PAC_SUBDIR_CACHEPAC_UPDATE_BASE_CACHE# Ensure that all subdir configures get the shared library itemsexport CC_SHLexport C_LINK_SHLexport C_LINKPATH_SHLexport SHLIB_EXTexport ENABLE_SHLIBexport LIBTOOL# Add the MPICH2 include flags to CPPFLAGS.  See the discussion above about# which include flags should start in MPICH2_INCLUDE_FLAGS and which in # CPPFLAGSCPPFLAGS="$CPPFLAGS $MPICH2_INCLUDE_FLAGS"dnl Place holder macro for finalizationPAC_SUBCONFIG_FINALIZE()dnl Note that once dependencies are enabled, we always try todnl update the dependencies (that is usually the desired behavior)dnl    find . -type d -exec sh -c '(cd {} && grep MAKE_DEPEND_C Makefile >/dev/null 2>&1 && ( test -d .deps || mkdir .deps ) && touch .deps/alldeps )' \;dnl We only apply this to src, as that is the only directory that dnl contains the source files for MPICH2; this avoids running through thednl test directories, for example.AC_OUTPUT_COMMANDS([if grep 'dependencies:' Makefile >/dev/null 2>&1 ; then    echo "Updating dependency directories .deps"     find . -type d -print | sed -e 's%\(.*\)%(cd \1 \&\& grep MAKE_DEPEND_C Makefile >/dev/null 2>\&1 \&\& ( test -d .deps || mkdir .deps) \&\& touch .deps/alldeps)%g' | shfi])AC_OUTPUT(Makefile)PAC_SUBDIR_CACHE_CLEANUP