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configure.ac
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##
## Copyright (C) by Argonne National Laboratory
## See COPYRIGHT in top-level directory
##
AC_PREREQ([2.69])
dnl Process this file with autoconf to produce a configure script.
dnl
dnl aclocal_cache.m4, included by sowing/confdb/aclocal.m4, fixes
dnl bugs in autoconf caching.
dnl
dnl This is a large configure script and it is important to keep it
dnl clearly organized. In addition, this script must coordinate with
dnl the other modules that can be used to construct MPICH, such as
dnl the communication device and the process manager. Each of these
dnl may have special features or limitations that other modules or
dnl this configure may need to take into account. To handle this, there
dnl are xx major steps in this configure script:
dnl
dnl 1. Identify major modules and source any prerequisite scripts
dnl 2. Determine compiler characteristics
dnl 3. Setup and configure the other modules
dnl 4. Determine MPI features and characteristics (such as datatype values)
dnl
dnl Each of these is described in more detail below.
dnl
dnl 1. Identify the modules (most are specified by
dnl --with-<modulename>=instance,
dnl for example, --with-pm=hydra or --with-device=ch3:nemesis).
dnl For each module, source the file mpichprereq if present (in the
dnl module's top-level directory). This
dnl must be a bourne (sh) shell script; it can access any of the variables
dnl in the configure script. In addition, there are a few variables that
dnl are defined and provided to allow the modules to communicate their
dnl needs or limitations to the other modules. These are:
dnl MPID_MAX_THREAD_LEVEL - thread level supported by device.
dnl if unset, is MPI_THREAD_FUNNELED
dnl MPID_NO_LONG_LONG - if yes, the device does not support the
dnl long long integer type
dnl MPID_NO_LONG_DOUBLE - if yes, the device does not support the
dnl long double type
dnl MPID_PM_NAMESERVER - if set, provides the name of the nameserver
dnl that the process manager supports.
dnl This name server will be used if the
dnl default name server is selected.
dnl MPID_NO_PM - If yes, the device does not require any
dnl PM implementation.
dnl MPID_MAX_PROCESSOR_NAME - The maximum number of character in a processor
dnl name. If not set, 128 will be used.
dnl MPID_MAX_ERROR_STRING - The maximum number of character in an error
dnl string. If not set, 1024 will be used.
dnl PM_REQUIRES_PMI - if set, provides the name of the PMI
dnl interface implementation. If not set,
dnl the "simple" PMI implementation is used.
dnl A process manager that needs a particular
dnl process manager should check that this is
dnl not set to an incompatible value.
dnl MPID_NO_SPAWN - if yes, the device does not support the
dnl dynamic process routines (spawn, connect
dnl attach, join, plus port and publish
dnl routines). The major effect of this
dnl is to let the test codes know that
dnl spawn is not implemented.
dnl MPID_NO_RMA - if yes, the device does not support the
dnl MPI RMA routines (MPI_Win_create and
dnl MPI_Put etc.). The major effect of this
dnl is to let the test codes know that
dnl RMA is not implemented.
dnl
dnl Note that the meanings of these variables are defined so that an
dnl undefined value gives the default. This makes it easy to expand
dnl the set of such variables, since only modules that need the new
dnl variable will need to be changed.
dnl
dnl 2. Determine compiler characteristics
dnl Here is where features of the compilers are determined, including
dnl support for shared libraries and sizes of the basic datatype types.
dnl
dnl 3. Setup and configure the other modules
dnl Before each module configure is executed, the script setup_<module>
dnl is run if present. This is a bourne (sh) shell script and may
dnl access configure variables. It should not make any changes to the
dnl compiler name or flags (e.g., do not add -D_XOPEN_SOURCE to CFLAGS here,
dnl because that may invalidate the determination of the compiler
dnl characteristics in the prior step).
dnl
dnl 4. Determine MPI features
dnl
dnl
dnl Special environment variables
dnl To let other scripts and in particular the configure in test/mpi
dnl know that they are being invoked from within the MPICH configure,
dnl the following environment variables are set and exported:
dnl FROM_MPICH
dnl MPICH_ENABLE_FC
dnl MPICH_ENABLE_CXX
dnl
dnl Note that no executable statements are allowed (and any are silently
dnl dropped) before AC_INIT.
m4_include([maint/version.m4])
dnl 2nd arg is intentionally underquoted
AC_INIT([MPICH],
MPICH_VERSION_m4,
[mpich],
[http://www.mpich.org/])
if test "x$prefix" != "xNONE" && test -d "$prefix"; then
if test "x`(cd \"$prefix\"; echo \"$PWD\")`" = "x`(cd \"$srcdir\"; echo \"$PWD\")`" ||\
test "x`(cd \"$prefix\"; echo \"$PWD\")`" = "x$PWD" ; then
AC_MSG_ERROR([The install directory (--prefix=) cannot be the same as the build or src directory.])
fi
fi
CONFIGURE_ARGS_CLEAN=`echo $* | tr '"' ' '`
AC_SUBST(CONFIGURE_ARGS_CLEAN)
# these values come from the m4_include above
MPICH_VERSION=MPICH_VERSION_m4
AC_SUBST([MPICH_VERSION])
MPICH_RELEASE_DATE="MPICH_RELEASE_DATE_m4"
AC_SUBST([MPICH_RELEASE_DATE])
libmpi_so_version="libmpi_so_version_m4"
AC_SUBST([libmpi_so_version])
if test -z "$MPICH_VERSION" ; then
AC_MSG_ERROR([MPICH_VERSION is empty, check maint/version.m4 for errors])
fi
# Produce a numeric version assuming the following format:
# Version: [MAJ].[MIN].[REV][EXT][EXT_NUMBER]
# Example: 1.0.7rc1 has
# MAJ = 1
# MIN = 0
# REV = 7
# EXT = rc
# EXT_NUMBER = 1
#
# Converting to numeric version will convert EXT to a format number:
# ALPHA (a) = 0
# BETA (b) = 1
# RC (rc) = 2
# PATCH (p) = 3
# Regular releases are treated as patch 0
#
# Numeric version will have 1 digit for MAJ, 2 digits for MIN,
# 2 digits for REV, 1 digit for EXT and 2 digits for EXT_NUMBER.
changequote(<<,>>)
V1=`expr $MPICH_VERSION : '\([0-9]*\)\.[0-9]*\.*[0-9]*[a-zA-Z]*[0-9]*'`
V2=`expr $MPICH_VERSION : '[0-9]*\.\([0-9]*\)\.*[0-9]*[a-zA-Z]*[0-9]*'`
V3=`expr $MPICH_VERSION : '[0-9]*\.[0-9]*\.*\([0-9]*\)[a-zA-Z]*[0-9]*'`
V4=`expr $MPICH_VERSION : '[0-9]*\.[0-9]*\.*[0-9]*\([a-zA-Z]*\)[0-9]*'`
V5=`expr $MPICH_VERSION : '[0-9]*\.[0-9]*\.*[0-9]*[a-zA-Z]*\([0-9]*\)'`
changequote([,])
if test "$V2" -le 9 ; then V2=0$V2 ; fi
if test "$V3" = "" ; then V3=0; fi
if test "$V3" -le 9 ; then V3=0$V3 ; fi
if test "$V4" = "a" ; then
V4=0
elif test "$V4" = "b" ; then
V4=1
elif test "$V4" = "rc" ; then
V4=2
elif test "$V4" = "" ; then
V4=3
V5=0
elif test "$V4" = "p" ; then
V4=3
fi
if test "$V5" -le 9 ; then V5=0$V5 ; fi
MPICH_NUMVERSION=`expr $V1$V2$V3$V4$V5 + 0`
AC_SUBST(MPICH_NUMVERSION)
AC_ARG_WITH(custom-version-string,
AS_HELP_STRING([--with-custom-version-string], [Adds a user-specified value to the output of the mpichversion executable]),,with_custom_version_string="")
MPICH_CUSTOM_STRING=$with_custom_version_string
AC_SUBST(MPICH_CUSTOM_STRING)
# ABIVERSION is the name used by simplemake, so we reassign the
# libmpi_so_version number to it
ABIVERSION=${libmpi_so_version}
export ABIVERSION
export libmpi_so_version
AC_SUBST(ABIVERSION)
# Print out the configure options
CONFIGURE_ARGUMENTS="$ac_configure_args"
AC_SUBST(CONFIGURE_ARGUMENTS)
if test -n "$ac_configure_args" ; then
echo "Configuring MPICH version $MPICH_VERSION with $ac_configure_args"
else
echo "Configuring MPICH version $MPICH_VERSION"
fi
# Add the information on the system:
echo "Running on system: `uname -a`"
dnl Definitions will be placed in this file rather than in the DEFS variable
AC_CONFIG_HEADERS([src/include/mpichconf.h])
AH_TOP([/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#ifndef MPICHCONF_H_INCLUDED
#define MPICHCONF_H_INCLUDED
])
# We use an #include strategy here because all of the alternative strategies for
# quashing these variables have various drawbacks. The alternatives are listed
# here to avoid rediscovery of these problems by someone else in the future:
#
# 1) Strategy: Rewrite mpichconf.h.in with sed at autogen.sh time.
# Problem: Automatic remaking of config.status and friends will re-run
# autoheader and blow away our sed changes without an opportunity to
# patch the resulting file again.
# 2) Strategy: Add literal "#undef PACKAGE" lines to the AH_BOTTOM text.
# Problem: These lines get rewritten by config.status to be "#define" lines,
# so the intended quashing never actually occurs.
# 3) Strategy: Use AC_CONFIG_COMMANDS to run a sed rewrite command on
# mpichconf.h at config.status time.
# Problem: Causes mpichconf.h to always be rewritten, first by the normal
# config.status commands and then by sed. This can cause
# unnecessary remaking of object files since nearly every C source
# file includes this header (see the Autoconf Manual, "Automatic
# Remaking")
#
# The only other plausible strategy would seem to be rewriting config.status
# itself via AC_CONFIG_COMMANDS_POST, but that seems error prone. The best
# solution would be to stop all subconfigures from including config.h headers
# from other packages. Then all of this nonsense can be eliminated.
# [goodell@ 2011-08-26]
AH_BOTTOM([
/* Include nopackage.h to undef autoconf-defined macros that cause conflicts in
* subpackages. This should not be necessary, but some packages are too
* tightly intertwined right now (such as ROMIO and the MPICH core) */
#include "nopackage.h"
#endif /* !defined(MPICHCONF_H_INCLUDED) */
])
dnl Set the directory that contains support scripts such as install-sh and
dnl config.guess
AC_CONFIG_AUX_DIR(confdb)
dnl our macro dir is the same as our aux dir
AC_CONFIG_MACRO_DIR([confdb])
# Set the FROM_MPICH variable to tell subconfigures that they are
# built from within MPICH
FROM_MPICH=yes
export FROM_MPICH
# WRAPPER_xFLAGS are used by mpicc and friends.
#
# WRAPPER_CFLAGS and other compile flags are used for compile options
# that are added by MPICH, but should be used by applications (such
# as include paths).
#
# All libraries that are detected by MPICH as needed for some of its
# functionality (such as -lpthread) should be added to WRAPPER_LIBS
# so executables built within MPICH use them. If inter-library
# dependencies are not supported on the platform, these libraries are
# added to the MPICH wrappers (mpicc and friends) as well.
PAC_PREFIX_ALL_FLAGS(WRAPPER)
# confdb routines are used in multiple components. Let the macros know
# whether WRAPPER FLAGS are used.
m4_define([use_wrapper_flags], [1])
# MPICH_MPIx_FLAGS are used by mpicc and friends. They are like
# WRAPPER flags, but these are provided by the user.
AC_SUBST(MPICH_MPICC_CPPFLAGS)
AC_SUBST(MPICH_MPICC_CFLAGS)
AC_SUBST(MPICH_MPICC_LDFLAGS)
AC_SUBST(MPICH_MPICC_LIBS)
AC_SUBST(MPICH_MPICXX_CPPFLAGS)
AC_SUBST(MPICH_MPICXX_CXXFLAGS)
AC_SUBST(MPICH_MPICXX_LDFLAGS)
AC_SUBST(MPICH_MPICXX_LIBS)
AC_SUBST(MPICH_MPIF77_CPPFLAGS)
AC_SUBST(MPICH_MPIF77_FFLAGS)
AC_SUBST(MPICH_MPIF77_LDFLAGS)
AC_SUBST(MPICH_MPIF77_LIBS)
AC_SUBST(MPICH_MPIFORT_CPPFLAGS)
AC_SUBST(MPICH_MPIFORT_FCFLAGS)
AC_SUBST(MPICH_MPIFORT_LDFLAGS)
AC_SUBST(MPICH_MPIFORT_LIBS)
# Add MPICHLIB_* to the appropriate flags
AC_ARG_VAR(MPICHLIB_CFLAGS,
[extra CFLAGS used in building MPICH libraries])
AC_ARG_VAR(MPICHLIB_CPPFLAGS,
[extra CPPFLAGS used in building MPICH libraries])
AC_ARG_VAR(MPICHLIB_CXXFLAGS,
[extra CXXFLAGS used in building MPICH libraries])
AC_ARG_VAR(MPICHLIB_FFLAGS,
[extra FFLAGS used in building MPICH libraries])
AC_ARG_VAR(MPICHLIB_FCFLAGS,
[extra FCFLAGS used in building MPICH libraries])
CFLAGS="$CFLAGS $MPICHLIB_CFLAGS"
CPPFLAGS="$CPPFLAGS $MPICHLIB_CPPFLAGS"
CXXFLAGS="$CXXFLAGS $MPICHLIB_CXXFLAGS"
FFLAGS="$FFLAGS $MPICHLIB_FFLAGS"
FCFLAGS="$FCFLAGS $MPICHLIB_FCFLAGS"
# Save a copy of precious flags as USER_* before any of these flags
# are being modified by configure tests.
PAC_PREFIX_ALL_FLAGS(USER)
dnl include all subsystem m4 fragments now that the core autoconf functionality
dnl has been setup. No fragment should do anything except define
dnl PAC_SUBCFG_{PREREQ,BODY} macros which will be expanded later as
dnl appropriate
# begin subsys includes
m4_include([subsys_include.m4])
# end subsys includes
dnl ----------------------------------------------------------------------------
dnl setup top-level argument handling
AC_ARG_ENABLE(echo,
AS_HELP_STRING([--enable-echo], [Turn on strong echoing. The default is enable=no.]),
set -x)
AC_ARG_ENABLE(error-checking,
[ --enable-error-checking=level
Control the amount of error checking.
no - no error checking
runtime - error checking controllable at runtime through environment
variables
all - error checking always enabled (default)
],,enable_error_checking=all)
AC_ARG_ENABLE(error-messages,
[ --enable-error-messages=level - Control the amount of detail in error messages.
all - Maximum amount of information
generic - Only generic messages (no information about the specific
instance)
class - One message per MPI error class
none - No messages
],,enable_error_messages=all)
AC_ARG_ENABLE(tag-error-bits,
[ --enable-tag-error-bits=yes|no - Control whether bits are taken from the user tag for error handling.
yes - Two bits are taken from the user tag to support error propagation.
no - No bits are taken from the user tag (this could cause deadlock if an error is detected during a collective).
],,enable_tag_error_bits=yes)
AC_ARG_ENABLE(extended-context-bits,
[ --enable-extended-context-bits=yes|no - Enable wider context id space. (experimental)
yes - 20 bits
no - 16 bits (default)
],,enable_extended_context_bits=no)
AC_ARG_ENABLE(timing,
[ --enable-timing=level - Control the amount of timing information
collected by the MPICH implementation.
none - Collect no data (default)
all - Collect lots of data
runtime - Runtime control of data collected
],,enable_timing=default)
AC_ARG_ENABLE(g,
[ --enable-g=option - Control the level of debugging support in the
MPICH implementation. "option" is a list of comma
separated names including. Default is "most".
none - No debugging
handle - Trace handle operations
handlealloc - Trace handle allocations
dbg - Add compiler flag, -g, to all internal
compiler flags, i.e. MPICHLIB_CFLAGS, MPICHLIB_CXXFLAGS,
MPICHLIB_FFLAGS, and MPICHLIB_FCFLAGS.
debug - Synonym for dbg
asan - Add compiler flag, -fsanitize=address, to all internal
compiler flags. It also includes other flags for nicer
stacktrace such as -g -O1 -fno-omit-frame-pointer.
ubsan - Add compiler flag, -fsanitize=undefined, to all internal
compiler flags.
mem - Memory usage tracing
meminit - Preinitialize memory associated structures and unions to
eliminate access warnings from programs like valgrind
memarena - Check for overwrite errors in memory allocation arena
mutex - Enable error checking on pthread mutexes
most - Most of the above options, excluding some with severe
performance impacts. Recommended for typical development.
yes - synonym for "most" (*not* "all")
all - All of the above choices
],,enable_g=none)
AC_ARG_ENABLE([mpit-pvars],
[ --enable-mpit-pvars=list - Selectively enable MPI_T performance variables in
modules. list is a comma-separated module names,
including (Default is "none"):
none - No performance info recorded
recvq - All message queue-related
nem - All nemesis-related
rma - All rma-related
multinic - All multinic-related
all - All variables above
],[],[enable_mpit_pvars=none])
AC_ARG_ENABLE([mpit-events],
[ --enable-mpit-events=yes|no - Enable MPI_T events. (Default is "no"):
yes - All available events
no - No events
],[],[enable_mpit_events=no])
dnl We may want to force MPI_Aint to be the same size as MPI_Offset,
dnl particularly on 32 bit systems with large (64 bit) file systems.
AC_ARG_WITH(aint-size,
AS_HELP_STRING([--with-aint-size], [Override the size of MPI_AINT (in bytes)]),,
with_aint_size=0)
AC_ARG_ENABLE(fast,
[ --enable-fast=option - Control the level of fast execution in the
MPICH implementation. option is a list of
comma separated names including
O<n> - Appends default optimization flags, -O<n>, to all internal
compiler flags, i.e. MPICHLIB_CFLAGS, MPICHLIB_CXXFLAGS,
MPICHLIB_FFLAGS, and MPICHLIB_FCFLAGS. (default is -O2)
ndebug - Appends -DNDEBUG to MPICHLIB_CFLAGS.
no-strict-alignment - relax strict alignment requirement
alwaysinline - Force compiler to always inline performance critical routines
all|yes - "O2", "ndebug", and "alwaysinline" are enabled
none - None of above options, i.e. --disable-fast
],,enable_fast=O2)
AC_ARG_ENABLE(interlib-deps,
[AS_HELP_STRING([--enable-interlib-deps - Enable interlibrary dependencies])],,enable_interlib_deps=yes)
AC_ARG_ENABLE(check-compiler-flags,
AS_HELP_STRING([--enable-check-compiler-flags], [enable the checks for all compiler
options, xxxFLAGS, MPICH_xxxFLAGS. Default is on.]),,
enable_check_compiler_flags=yes)
dnl We enable f77 and fc if we can find compilers for them.
dnl In addition, we check whether f77 and fc can work together.
AC_ARG_ENABLE(fortran,
[ --enable-fortran=option - Control the level of Fortran support in the MPICH implementation.
yes|all - Enable all available Fortran implementations (F77, F90+)
no|none - No Fortran support
],,[enable_fortran=all])
AC_ARG_ENABLE(f08,
AS_HELP_STRING([--disable-f08], [Whether to disable "use mpi_f08" interface]),,[enable_f08=yes])
AC_ARG_ENABLE(cxx,
AS_HELP_STRING([--enable-cxx], [Enable C++ bindings]),,enable_cxx=yes)
AC_ARG_ENABLE(romio,
AS_HELP_STRING([--enable-romio], [Enable ROMIO MPI I/O implementation]),,
enable_romio=yes)
AC_ARG_ENABLE(debuginfo,
AS_HELP_STRING([--enable-debuginfo], [Enable support for debuggers]),,
enable_debuginfo=no)
## Enable creation of libtool-style versioning or no versioning
AC_ARG_ENABLE(versioning,
[AS_HELP_STRING([--enable-versioning],[Enable library versioning])],,
[enable_versioning=yes])
if test "$enable_versioning" = "yes" ; then
ABIVERSIONFLAGS="-version-info \$(ABIVERSION)"
else
ABIVERSIONFLAGS="-avoid-version"
fi
export ABIVERSIONFLAGS
AC_SUBST(ABIVERSIONFLAGS)
dnl The environment variable MPICH_DEBUGLIBNAME may be used to
dnl override the default name of the library that the debugger will
dnl load to access the MPICH internal data structures.
dnl "default" is a special device that allows MPICH to choose one
dnl based on the environment.
AC_ARG_WITH(device,
AS_HELP_STRING([--with-device=name], [Specify the communication device for MPICH]),,
with_device=ch4)
AC_ARG_WITH(pmi,
AS_HELP_STRING([--with-pmi=name], [Specify the pmi interface for MPICH]),,
with_pmi=default)
AC_ARG_WITH(pm,
AS_HELP_STRING([--with-pm=name],
[Specify the process manager for MPICH. "no" or "none" are
valid values. Multiple process managers may be specified as
long as they all use the same pmi interface by separating them
with colons. The mpiexec for the first named process manager
will be installed. Example: "--with-pm=hydra:gforker"
builds the two process managers hydra, and gforker;
only the mpiexec from hydra is installed into the bin
directory.]),,with_pm=default)
AC_ARG_ENABLE(threads,
[ --enable-threads=level - Control the level of thread support in the
MPICH implementation. The following levels
are supported.
single - No threads (MPI_THREAD_SINGLE)
funneled - Only the main thread calls MPI (MPI_THREAD_FUNNELED)
serialized - User serializes calls to MPI (MPI_THREAD_SERIALIZED)
multiple - Fully multi-threaded (MPI_THREAD_MULTIPLE)
runtime - Alias to "multiple"
See also the --enable-thread-cs option for controlling the granularity of
the concurrency inside of the library
],,enable_threads=default)
AC_ARG_ENABLE(thread-cs,
AS_HELP_STRING([--enable-thread-cs=type],
[Choose the method used for critical sections
and other atomic updates when multiple
threads are present. Values may be default, global,
per-object, per-vci, lock-free. Default is global.
]),,enable_thread_cs=default)
AC_ARG_ENABLE(refcount,
AS_HELP_STRING([--enable-refcount=type],
[Choose the method for ensuring atomic updates
to the reference counts for MPI objects.
Values may be lock-free or none. The
default depends on the thread-cs choice; for
global it is none (because none is required),
for per-object, per-vci, and lock-free, lock-free]),,
enable_refcount=default)
AC_ARG_ENABLE(mutex-timing,
AS_HELP_STRING([--enable-mutex-timing], [calculate the time spent waiting on mutexes]),
AC_DEFINE(MPIU_MUTEX_WAIT_TIME,1,[Define to enable timing mutexes]))
AC_ARG_ENABLE([predefined-refcount],
AS_HELP_STRING([--enable-predefined-refcount],
[control whether predefined objects like
MPI_COMM_WORLD are reference counted (default
depends on --enable-thread-cs choice)]),[],
[enable_predefined_refcount=default])
AC_ARG_ENABLE(weak-symbols,
AS_HELP_STRING([--enable-weak-symbols],
[Use weak symbols to implement PMPI routines (default)]),,
enable_weak_symbols=yes)
AC_ARG_ENABLE(qmpi,
AS_HELP_STRING([--enable-qmpi],
[Enable QMPI support (default)]),,
enable_qmpi=no)
if test "$enable_qmpi" = "yes" ; then
AC_DEFINE(ENABLE_QMPI,1,[Define if QMPI enabled])
ENABLE_QMPI=1
else
ENABLE_QMPI=0
fi
AC_SUBST(ENABLE_QMPI)
AC_ARG_ENABLE([two-level-namespace],
[AS_HELP_STRING([--disable-two-level-namespace],
[(Darwin only) Add `-Wl,-flat_namespace` to
mpicc/mpifort/etc. compiler wrappers.
This may fix some issues due to not resolving
MPI constants, such as MPI_IN_PLACE.
Try disable this option if you encounter these issues
on Mac OS.])],
[],
[enable_two_level_namespace=yes])
AC_ARG_ENABLE(multi-aliases,
AS_HELP_STRING([--enable-multi-aliases],
[Multiple aliasing to support multiple fortran compilers (default)]),,
enable_multi_aliases=yes)
AC_ARG_WITH([wrapper-dl-type],
[AS_HELP_STRING([--enable-wrapper-dl-type],
[Dynamic loading model for alternate MPI
libraries, used when programs are linked
by mpicc compiler wrappers. This only
applies when shared libraries are built.
The default is "runpath"; use
--with-wrapper-dl-type=rpath to force
rpath; use --with-wrapper-dl-type=none to
find shared libraries according to the
rules for your system (e.g., in
LD_LIBRARY_PATH)])],
[],[with_wrapper_dl_type=runpath])
AC_SUBST([with_wrapper_dl_type])
AC_ARG_ENABLE([long-double],
[AS_HELP_STRING([--disable-long-double],
[Pass --disable-long-double to prevent the MPI
library from supporting the C "long double" type,
even if the C compiler supports it. "long
double" support is enabled by default, provided
the compiler supports it.])],
[],
[enable_long_double=yes])
AC_ARG_WITH(cross,
AS_HELP_STRING([--with-cross=file],
[Specify the values of variables that configure cannot
determine in a cross-compilation environment]),,
with_cross=$MPID_DEFAULT_CROSS_FILE)
AC_ARG_WITH(namepublisher,
[ --with-namepublisher=name Choose the system that will support
MPI_PUBLISH_NAME and MPI_LOOKUP_NAME. Options
include
pmi (default)
file[:directory] (optional directory)
no (no service available)],,with_namepublisher=default)
AC_ARG_WITH(name-publisher,
[],
with_namepublisher=$with_name_publisher,)
AC_ARG_ENABLE(nolocal, AS_HELP_STRING([--enable-nolocal], [enables nolocal mode where shared-memory communication is disabled]),
AC_DEFINE(ENABLE_NO_LOCAL, 1, [Define to disable shared-memory communication]))
AC_CANONICAL_TARGET
# Find a C compiler.
# We also need to do this before the F77 and FC test to ensure that we
# find the C preprocessor reliably.
AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_CC_C_O dnl needed for automake "silent-rules"
PAC_PUSH_FLAG([CFLAGS])
AC_PROG_CPP
# Bug in autoconf. Restore cross settings
if test "$pac_cross_compiling" = "yes" -a "$ac_cv_prog_cc_cross" = "no" ; then
AC_MSG_RESULT([Resetting cross compilation to yes])
cross_compiling=yes
ac_cv_prog_cc_cross=yes
ac_cv_prog_f77_cross=yes
ac_cv_prog_fc_cross=yes
ac_cv_prog_cxx_cross=yes
fi
PAC_POP_FLAG([CFLAGS])
AC_USE_SYSTEM_EXTENSIONS
PAC_C_NO_COMMON
dnl now that autoconf and core compilers are setup, init automake and libtool
dnl
dnl We would like to pass -Werror, but we are cheating in the "examples/"
dnl directory and overriding the user-flags like CFLAGS, which automake-1.12
dnl warns about. Long-term we may need to use a hand-written Makefile.in or
dnl something else in this special dir.
AM_INIT_AUTOMAKE([-Wall -Wno-portability-recursive foreign 1.12.3 silent-rules subdir-objects])
AM_MAINTAINER_MODE([enable])
AM_PROG_AR
LT_INIT()
# Non-verbose make by default
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
# Disable rpath/runpath-related linkflags in the compiler wrappers if
# shared libraries are disabled, since rpath/runpath makes no sense in
# the context of static libraries.
if test "X$enable_shared" = "Xno" ; then
with_wrapper_dl_type=no
fi
INTERLIB_DEPS=yes
# We conservatively disable interlibrary dependencies if the libtool
# support model is anything different from "pass_all"
if test "X$enable_shared" = "Xno" -o "$deplibs_check_method" != "pass_all" -o "$enable_interlib_deps" = "no" ; then
INTERLIB_DEPS=no
fi
export INTERLIB_DEPS
AC_SUBST(INTERLIB_DEPS)
dnl AC_PROG_{CXX,F77,FC} must come early in configure.ac in order to avoid some
dnl esoteric autoconf macro expansion errors
dnl
dnl Also, DO NOT attempt to place shell conditionals (either manually or via
dnl AS_IF) around these macros in an effort to save configure time. It will
dnl lead to weird AM_CONDITIONAL errors and potentially other problems.
# Before attempting to find valid compilers, set the corresponding precious
# shell variable to "no" for any languages that have been disabled by the user
# with "--disable-LANG". Libtool understands this as a request to disable
# support for this language. This should save a bit of configure time and also
# prevent user complaints like ticket #1570.
#
# NOTE: we are skipping overriding CXX as some modules (e.g. ucx) may depend on CXX
#
AS_IF([test "x$enable_f77" = "xno"],[F77=no])
AS_IF([test "x$enable_fc" = "xno"],[FC=no])
# suppress default "-g -O2" from AC_PROG_CXX
: ${CXXFLAGS=""}
AC_PROG_CXX
enable_f77=no
enable_fc=no
case "$enable_fortran" in
yes|all)
enable_f77=yes
enable_fc=yes
;;
no|none)
;;
*)
AC_MSG_WARN([Unknown value $option for --enable-fortran])
;;
esac
if test "$enable_fortran" != "no" ; then
# suppress default "-g -O2" from AC_PROG_FC
: ${FCFLAGS=""}
AC_PROG_FC
# HACK, use $FC as F77. We should remove all the F77 usages.
if test "$enable_fc" = "yes" ; then
F77=$FC
if test ! -z "$FCFLAGS" ; then
FFLAGS=$FCFLAGS
fi
fi
# This needs to come after we've potentially set F77=$FC. Otherwise, we could
# override the user's Fortran compiler selection when only specifying FC at configure
# time, as is allowed.
# suppress default "-g -O2" from AC_PROG_F77
: ${FFLAGS=""}
AC_PROG_F77
fi
AM_CONDITIONAL([INSTALL_MPIF77],[test "$enable_fc" = "yes" -a "$F77" != "$FC" -a "$FFLAGS" != "$FCFLAGS"])
# compute canonical system types
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
# TARGET not needed, MPICH isn't a compiler
# Enable better caching control
PAC_ARG_CACHING
# Set CFLAGS for enable strict if necessary. Do this *first* because
# it may influence the output of the other tests
PAC_ARG_STRICT
# -----------------------------------------------------------------------------
# First check that we have a clean build if we are doing a VPATH build
PAC_VPATH_CHECK(src/include/mpi.h src/env/mpicc,lib)
# ----------------------------------------------------------------------------
# This test is complicated by the fact that top_srcdir is not set until
# the very end of configure. Instead, we get it ourselves
if test -z "$top_srcdir" ; then
use_top_srcdir=$srcdir
else
use_top_srcdir=$top_srcdir
fi
if test -z "$main_top_srcdir" ; then
# This needs to be an absolute pathname
case "$use_top_srcdir" in
/*) ;;
*)
use_top_srcdir=`(cd $use_top_srcdir && pwd)`
;;
esac
main_top_srcdir=$use_top_srcdir
fi
# Get the directory that we're running in...
if test -z "$main_top_builddir" ; then
main_top_builddir="`pwd`"
fi
AC_SUBST(main_top_builddir)
AC_SUBST(main_top_srcdir)
export main_top_builddir
export main_top_srcdir
if test -z "$with_cross"; then
if test -f "$main_top_srcdir/src/cross/$host_alias"; then
with_cross="$main_top_srcdir/src/cross/$host_alias"
else
with_cross=no
fi
fi
if test "$with_cross" != "no"; then
AC_MSG_NOTICE([Using cross file: $with_cross])
fi
# ----------------------------------------------------------------------------
dnl Export important "precious" variables so that any directories configured via
dnl PAC_CONFIG_SUBDIR will agree with the top-level configure about these
dnl critical variables (esp. compiler selection). These exports should come
dnl before any subconfigures in this script.
dnl
dnl This list is arguably incomplete, and should possibly be automatically
dnl generated from "$ac_precious_vars" using code similar to the implementation
dnl of PAC_CONFIG_SUBDIR.
dnl
dnl To be clear, without these exports any variable values determined by this
dnl configure script will not be seen by child scripts. Instead they will dnl
dnl receive the only the original inherited environment and configure args used
dnl when this configure script was invoked.
export CC
export CFLAGS
export CPPFLAGS
export CXX
export CXXFLAGS
export F77
export FC
export FCFLAGS
export FFLAGS
export LDFLAGS
export LIBS
export MPILIBNAME
export PMPILIBNAME
export OPALIBNAME
# ----------------------------------------------------------------------------
# with-device
#
# Extract the device name from any options
# Allow the device to specify a directory; if no directory, use the
# included directories
#
DEVICE=$with_device
AC_SUBST(DEVICE)
device_name=`echo $with_device | sed -e 's/:.*$//'`
changequote(<<,>>)
device_args=`echo $with_device | sed -e 's/^[^:]*//' -e 's/^://'`
changequote([,])
devicedir=$use_top_srcdir/src/mpid/$device_name
devicereldir=src/mpid/$device_name
export device_name
export device_args
export devicedir
if test "$device_name" = "ch4" ; then
AC_DEFINE([ENABLE_LOCAL_SESSION_INIT], 1, [Define to skip initializing builtin world comm during MPI_Session_init])
fi
# expand all of the prereq macros in the correct order
m4_map([PAC_SUBCFG_DO_PREREQ], [PAC_SUBCFG_MODULE_LIST])
# ----------------------------------------------------------------------------
# Set default library names if names haven't already been provided
AC_ARG_VAR([MPILIBNAME],[can be used to override the name of the MPI library (default: "mpi")])
AC_ARG_VAR([PMPILIBNAME],[can be used to override the name of the MPI profiling library (default: "p$MPILIBNAME")])
AC_ARG_VAR([MPICXXLIBNAME],[can be used to override the name of the MPI C++ library (default: "${MPILIBNAME}cxx")])
AC_ARG_VAR([MPIFCLIBNAME],[can be used to override the name of the MPI fortran library (default: "${MPILIBNAME}fort")])
MPILIBNAME=${MPILIBNAME:-"mpi"}
PMPILIBNAME_set=no
if test -n "$PMPILIBNAME" ; then
PMPILIBNAME_set=yes
fi
PMPILIBNAME=${PMPILIBNAME:-"p$MPILIBNAME"}
# Note that the name for this library may be updated after we check for
# enable_shmem
# Fortran names are set later.
# We use a different library for the C++ wrappers to avoid problems when
# creating shared libraries
if test -z "$MPICXXLIBNAME" ; then MPICXXLIBNAME="${MPILIBNAME}cxx" ; fi
if test -z "$MPIFCLIBNAME" ; then MPIFCLIBNAME="${MPILIBNAME}fort" ; fi
export MPICXXLIBNAME
export MPIFCLIBNAME
AC_SUBST(MPICXXLIBNAME)
AC_SUBST(MPIFCLIBNAME)
# We'll set FORTRAN_BINDING to 1 if we support Fortran
FORTRAN_BINDING=0
# enable-fast
# strip off multiple options, separated by commas
save_IFS="$IFS"
IFS=","
for option in $enable_fast ; do
case "$option" in
O*)
enable_fast_opts=$option
;;
ndebug)
enable_fast_ndebug=yes
;;
no-strict-alignment)
enable_fast_no_strict_alignment=yes
;;
alwaysinline) # No op in MPICH. See mpl/configure.ac
;;
all|yes)
enable_fast_ndebug=yes
enable_fast_opts=O2
;;
none|no)
enable_fast_ndebug=no
enable_fast_opts=O0
;;
*)
IFS="$save_IFS"
AC_MSG_WARN([Unknown value $option for --enable-fast])
IFS=","
;;
esac
done
IFS="$save_IFS"
if test -n "$enable_fast_opts" ; then
# Allows O<n> where <n> can be [0-9] or ' '.
opt_flags=`echo $enable_fast_opts | sed -e 's%\(O[0-9] \)%\1%g'`
if test -n "$opt_flags" ; then
MPI_DEFAULT_COPTS="-$enable_fast_opts"
MPI_DEFAULT_CXXOPTS="-$enable_fast_opts"
MPI_DEFAULT_FOPTS="-$enable_fast_opts"
MPI_DEFAULT_FCOPTS="-$enable_fast_opts"
else
AC_MSG_WARN([Unknown value $enable_fast_opts for --enable-fast])
fi
fi
if test "$enable_fast_ndebug" = "yes" ; then
CFLAGS="$CFLAGS -DNDEBUG -DNVALGRIND"
CXXFLAGS="$CXXFLAGS -DNDEBUG -DNVALGRIND"
# MPICH does NOT assume any preprocessing support from the Fortran compiler,
# so no Fortran files contain any preprocessing statements.
# Don't set FFLAGS or FCFLAGS with any -D.
fi
if test -z "$enable_fast_no_strict_alignment" ; then
# we need observe strict alignment to pass ubsan check
AC_DEFINE(NEEDS_STRICT_ALIGNMENT,1,[Define if strict alignment memory access is required])
fi
# error-checking
# Change default into the specific value of the default
if test "$enable_error_checking" = "yes" ; then
enable_error_checking=all
fi
# mpir_ext.h needs the variable HAVE_ERROR_CHECKING to have the value 0 or 1
HAVE_ERROR_CHECKING=0
case "$enable_error_checking" in
no)
# if error checking has been disabled, then automatically disable the error
# checking tests in the test suite
ac_configure_args="${ac_configure_args} --disable-checkerrors"
;;
all|runtime)
error_checking_kind=`echo $enable_error_checking | \
tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
error_checking_kind=MPID_ERROR_LEVEL_$error_checking_kind
AC_DEFINE_UNQUOTED(HAVE_ERROR_CHECKING,$error_checking_kind,[Define to enable error checking])
HAVE_ERROR_CHECKING=1
;;
*)
AC_MSG_WARN([Unknown value $enable_error_checking for enable-error-checking])
;;
esac
# permit @HAVE_ERROR_CHECKING@ substitution in mpir_ext.h
AC_SUBST([HAVE_ERROR_CHECKING])
# error-messages
case "$enable_error_messages" in
no|none)
error_message_kind="MPICH_ERROR_MSG__NONE"
;;
all|yes)
error_message_kind="MPICH_ERROR_MSG__ALL"
;;
generic)
error_message_kind="MPICH_ERROR_MSG__GENERIC"
;;
class)
error_message_kind="MPICH_ERROR_MSG__CLASS"
;;
*)
AC_MSG_WARN([Unknown value $enable_error_messages for enable-error-messages])
;;
esac
AC_DEFINE_UNQUOTED(MPICH_ERROR_MSG_LEVEL,$error_message_kind,[define to enable error messages])
#error-tags
if test "$enable_tag_error_bits" = "yes" ; then
AC_DEFINE([HAVE_TAG_ERROR_BITS],[1],[Define to enable tag error bits])
fi
# context bits
if test "$enable_extended_context_bits" = "yes" ; then
AC_DEFINE([HAVE_EXTENDED_CONTEXT_BITS],[1],[Define to enable extended context id bit space])
fi
# Set NEEDSPLIB to yes if link commands need both -l$MPILIBNAME
# and -lp$MPILIBNAME.
NEEDSPLIB=yes
if test $enable_weak_symbols = yes ; then
# Turn off weak symbols if they aren't available
PAC_PROG_C_WEAK_SYMBOLS(,enable_weak_symbols=no)
fi