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hwloc.m4
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hwloc.m4
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dnl -*- Autoconf -*-
dnl
dnl Copyright © 2009-2021 Inria. All rights reserved.
dnl Copyright © 2009-2012, 2015-2017, 2020 Université Bordeaux
dnl Copyright © 2004-2005 The Trustees of Indiana University and Indiana
dnl University Research and Technology
dnl Corporation. All rights reserved.
dnl Copyright © 2004-2012 The Regents of the University of California.
dnl All rights reserved.
dnl Copyright © 2004-2008 High Performance Computing Center Stuttgart,
dnl University of Stuttgart. All rights reserved.
dnl Copyright © 2006-2017 Cisco Systems, Inc. All rights reserved.
dnl Copyright © 2012 Blue Brain Project, BBP/EPFL. All rights reserved.
dnl Copyright © 2012 Oracle and/or its affiliates. All rights reserved.
dnl Copyright © 2012 Los Alamos National Security, LLC. All rights reserved.
dnl Copyright © 2020 IBM Corporation. All rights reserved.
dnl See COPYING in top-level directory.
# Main hwloc m4 macro, to be invoked by the user
#
# Expects two or three paramters:
# 1. Configuration prefix
# 2. What to do upon success
# 3. What to do upon failure
# 4. If non-empty, print the announcement banner
#
AC_DEFUN([HWLOC_SETUP_CORE],[
AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([AC_CANONICAL_TARGET])
AC_REQUIRE([AC_PROG_CC])
AS_IF([test "x$4" != "x"],
[cat <<EOF
###
### Configuring hwloc core
###
EOF])
# If no prefix was defined, set a good value
m4_ifval([$1],
[m4_define([hwloc_config_prefix],[$1/])],
[m4_define([hwloc_config_prefix], [])])
# Unless previously set to "standalone" mode, default to embedded
# mode
AS_IF([test "$hwloc_mode" = ""], [hwloc_mode=embedded])
AC_MSG_CHECKING([hwloc building mode])
AC_MSG_RESULT([$hwloc_mode])
# Get hwloc's absolute top builddir (which may not be the same as
# the real $top_builddir, because we may be building in embedded
# mode).
HWLOC_startdir=`pwd`
if test x"hwloc_config_prefix" != "x" -a ! -d "hwloc_config_prefix"; then
mkdir -p "hwloc_config_prefix"
fi
if test x"hwloc_config_prefix" != "x"; then
cd "hwloc_config_prefix"
fi
HWLOC_top_builddir=`pwd`
AC_SUBST(HWLOC_top_builddir)
# Get hwloc's absolute top srcdir (which may not be the same as
# the real $top_srcdir, because we may be building in embedded
# mode). First, go back to the startdir incase the $srcdir is
# relative.
cd "$HWLOC_startdir"
cd "$srcdir"/hwloc_config_prefix
HWLOC_top_srcdir="`pwd`"
AC_SUBST(HWLOC_top_srcdir)
# Go back to where we started
cd "$HWLOC_startdir"
AC_MSG_NOTICE([hwloc builddir: $HWLOC_top_builddir])
AC_MSG_NOTICE([hwloc srcdir: $HWLOC_top_srcdir])
if test "$HWLOC_top_builddir" != "$HWLOC_top_srcdir"; then
AC_MSG_NOTICE([Detected VPATH build])
fi
# Get the version of hwloc that we are installing
AC_MSG_CHECKING([for hwloc version])
HWLOC_VERSION=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION"`
if test "$?" != "0"; then
AC_MSG_ERROR([Cannot continue])
fi
AC_MSG_RESULT([$HWLOC_VERSION])
AC_SUBST(HWLOC_VERSION)
AC_DEFINE_UNQUOTED([HWLOC_VERSION], ["$HWLOC_VERSION"],
[The library version, always available, even in embedded mode, contrary to VERSION])
HWLOC_VERSION_MAJOR=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION" --major`
AC_DEFINE_UNQUOTED([HWLOC_VERSION_MAJOR], [$HWLOC_VERSION_MAJOR], [The library version major number])
HWLOC_VERSION_MINOR=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION" --minor`
AC_DEFINE_UNQUOTED([HWLOC_VERSION_MINOR], [$HWLOC_VERSION_MINOR], [The library version minor number])
HWLOC_VERSION_RELEASE=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION" --release`
AC_DEFINE_UNQUOTED([HWLOC_VERSION_RELEASE], [$HWLOC_VERSION_RELEASE], [The library version release number])
HWLOC_VERSION_GREEK=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION" --greek`
AC_DEFINE_UNQUOTED([HWLOC_VERSION_GREEK], ["$HWLOC_VERSION_GREEK"], [The library version optional greek suffix string])
HWLOC_RELEASE_DATE=`sh "$HWLOC_top_srcdir/config/hwloc_get_version.sh" "$HWLOC_top_srcdir/VERSION" --release-date`
AC_SUBST(HWLOC_RELEASE_DATE)
# Debug mode?
AC_MSG_CHECKING([if want hwloc maintainer support])
hwloc_debug=
# Unconditionally disable debug mode in embedded mode; if someone
# asks, we can add a configure-time option for it. Disable it
# now, however, because --enable-debug is not even added as an
# option when configuring in embedded mode, and we wouldn't want
# to hijack the enclosing application's --enable-debug configure
# switch.
AS_IF([test "$hwloc_mode" = "embedded"],
[hwloc_debug=0
hwloc_debug_msg="disabled (embedded mode)"])
AS_IF([test "$hwloc_debug" = "" -a "$enable_debug" = "yes"],
[hwloc_debug=1
hwloc_debug_msg="enabled"])
AS_IF([test "$hwloc_debug" = ""],
[hwloc_debug=0
hwloc_debug_msg="disabled"])
# Grr; we use #ifndef for HWLOC_DEBUG! :-(
AH_TEMPLATE(HWLOC_DEBUG, [Whether we are in debugging mode or not])
AS_IF([test "$hwloc_debug" = "1"], [AC_DEFINE([HWLOC_DEBUG])])
AC_MSG_RESULT([$hwloc_debug_msg])
# We need to set a path for header, etc files depending on whether
# we're standalone or embedded. this is taken care of by HWLOC_EMBEDDED.
AC_MSG_CHECKING([for hwloc directory prefix])
AC_MSG_RESULT(m4_ifval([$1], hwloc_config_prefix, [(none)]))
# Note that private/config.h *MUST* be listed first so that it
# becomes the "main" config header file. Any AC-CONFIG-HEADERS
# after that (hwloc/config.h) will only have selective #defines
# replaced, not the entire file.
AC_CONFIG_HEADERS(hwloc_config_prefix[include/private/autogen/config.h])
AC_CONFIG_HEADERS(hwloc_config_prefix[include/hwloc/autogen/config.h])
# What prefix are we using?
AC_MSG_CHECKING([for hwloc symbol prefix])
AS_IF([test "$hwloc_symbol_prefix_value" = ""],
[AS_IF([test "$with_hwloc_symbol_prefix" = ""],
[hwloc_symbol_prefix_value=hwloc_],
[hwloc_symbol_prefix_value=$with_hwloc_symbol_prefix])])
AC_DEFINE_UNQUOTED(HWLOC_SYM_PREFIX, [$hwloc_symbol_prefix_value],
[The hwloc symbol prefix])
# Ensure to [] escape the whole next line so that we can get the
# proper tr tokens
[hwloc_symbol_prefix_value_caps="`echo $hwloc_symbol_prefix_value | tr '[:lower:]' '[:upper:]'`"]
AC_DEFINE_UNQUOTED(HWLOC_SYM_PREFIX_CAPS, [$hwloc_symbol_prefix_value_caps],
[The hwloc symbol prefix in all caps])
AC_MSG_RESULT([$hwloc_symbol_prefix_value])
# Give an easy #define to know if we need to transform all the
# hwloc names
AH_TEMPLATE([HWLOC_SYM_TRANSFORM], [Whether we need to re-define all the hwloc public symbols or not])
AS_IF([test "$hwloc_symbol_prefix_value" = "hwloc_"],
[AC_DEFINE([HWLOC_SYM_TRANSFORM], [0])],
[AC_DEFINE([HWLOC_SYM_TRANSFORM], [1])])
# hwloc 2.0+ requires a C99 compliant compiler
AC_PROG_CC_C99
# The result of AC_PROG_CC_C99 is stored in ac_cv_prog_cc_c99
if test "x$ac_cv_prog_cc_c99" = xno ; then
AC_MSG_WARN([hwloc requires a C99 compiler])
AC_MSG_ERROR([Aborting.])
fi
# GCC specifics.
_HWLOC_C_COMPILER_VENDOR([hwloc_c_vendor])
if test "$hwloc_c_vendor" = "gnu"; then
HWLOC_GCC_CFLAGS="-Wall -Wmissing-prototypes -Wundef"
HWLOC_GCC_CFLAGS="$HWLOC_GCC_CFLAGS -Wpointer-arith -Wcast-align"
fi
# Enample system extensions for O_DIRECTORY, fdopen, fssl, etc.
AH_VERBATIM([USE_HPUX_SYSTEM_EXTENSIONS],
[/* Enable extensions on HP-UX. */
#ifndef _HPUX_SOURCE
# undef _HPUX_SOURCE
#endif
])
AC_DEFINE([_HPUX_SOURCE], [1], [Are we building for HP-UX?])
AC_LANG_PUSH([C])
# Check to see if we're producing a 32 or 64 bit executable by
# checking the sizeof void*. Note that AC CHECK_SIZEOF even works
# when cross compiling (!), according to the AC 2.64 docs. This
# check is needed because on some systems, you can instruct the
# compiler to specifically build 32 or 64 bit executables -- even
# though the $target may indicate something different.
AC_CHECK_SIZEOF([void *])
#
# List of components to be built, either statically or dynamically.
# To be enlarged below.
#
hwloc_components="noos xml synthetic xml_nolibxml"
#
# Check OS support
#
AC_MSG_CHECKING([which OS support to include])
case ${target} in
powerpc64-bgq-linux*) # must be before Linux
AC_DEFINE(HWLOC_BGQ_SYS, 1, [Define to 1 on BlueGene/Q])
hwloc_bgq=yes
AC_MSG_RESULT([bgq])
hwloc_components="$hwloc_components bgq"
;;
*-*-linux*)
AC_DEFINE(HWLOC_LINUX_SYS, 1, [Define to 1 on Linux])
hwloc_linux=yes
AC_MSG_RESULT([Linux])
hwloc_components="$hwloc_components linux"
if test "x$enable_io" != xno; then
AC_DEFINE(HWLOC_HAVE_LINUXIO, 1, [Define to 1 for I/O discovery in the Linux component])
hwloc_linuxio_happy=yes
if test x$enable_pci != xno; then
AC_DEFINE(HWLOC_HAVE_LINUXPCI, 1, [Define to 1 if enabling Linux-specific PCI discovery in the Linux I/O component])
hwloc_linuxpci_happy=yes
fi
fi
;;
*-*-irix*)
AC_DEFINE(HWLOC_IRIX_SYS, 1, [Define to 1 on Irix])
hwloc_irix=yes
AC_MSG_RESULT([IRIX])
# no irix component yet
;;
*-*-darwin*)
AC_DEFINE(HWLOC_DARWIN_SYS, 1, [Define to 1 on Darwin])
hwloc_darwin=yes
AC_MSG_RESULT([Darwin])
hwloc_components="$hwloc_components darwin"
;;
*-*-solaris*)
AC_DEFINE(HWLOC_SOLARIS_SYS, 1, [Define to 1 on Solaris])
hwloc_solaris=yes
AC_MSG_RESULT([Solaris])
hwloc_components="$hwloc_components solaris"
;;
*-*-aix*)
AC_DEFINE(HWLOC_AIX_SYS, 1, [Define to 1 on AIX])
hwloc_aix=yes
AC_MSG_RESULT([AIX])
hwloc_components="$hwloc_components aix"
;;
*-*-hpux*)
AC_DEFINE(HWLOC_HPUX_SYS, 1, [Define to 1 on HP-UX])
hwloc_hpux=yes
AC_MSG_RESULT([HP-UX])
hwloc_components="$hwloc_components hpux"
;;
*-*-mingw*|*-*-cygwin*)
AC_DEFINE(HWLOC_WIN_SYS, 1, [Define to 1 on WINDOWS])
hwloc_windows=yes
AC_MSG_RESULT([Windows])
hwloc_components="$hwloc_components windows"
;;
*-*-*freebsd*)
AC_DEFINE(HWLOC_FREEBSD_SYS, 1, [Define to 1 on *FREEBSD])
hwloc_freebsd=yes
AC_MSG_RESULT([FreeBSD])
hwloc_components="$hwloc_components freebsd"
;;
*-*-*netbsd*)
AC_DEFINE(HWLOC_NETBSD_SYS, 1, [Define to 1 on *NETBSD])
hwloc_netbsd=yes
AC_MSG_RESULT([NetBSD])
hwloc_components="$hwloc_components netbsd"
;;
*)
AC_MSG_RESULT([Unsupported! ($target)])
AC_DEFINE(HWLOC_UNSUPPORTED_SYS, 1, [Define to 1 on unsupported systems])
AC_MSG_WARN([***********************************************************])
AC_MSG_WARN([*** hwloc does not support this system.])
AC_MSG_WARN([*** hwloc will *attempt* to build (but it may not work).])
AC_MSG_WARN([*** hwloc run-time results may be reduced to showing just one processor,])
AC_MSG_WARN([*** and binding will not be supported.])
AC_MSG_WARN([*** You have been warned.])
AC_MSG_WARN([*** Pausing to give you time to read this message...])
AC_MSG_WARN([***********************************************************])
sleep 10
;;
esac
#
# Check CPU support
#
AC_MSG_CHECKING([which CPU support to include])
case ${target} in
i*86-*-*|x86_64-*-*|amd64-*-*)
case ${ac_cv_sizeof_void_p} in
4)
AC_DEFINE(HWLOC_X86_32_ARCH, 1, [Define to 1 on x86_32])
hwloc_x86_32=yes
HWLOC_MS_LIB_ARCH=X86
AC_MSG_RESULT([x86_32])
;;
8)
AC_DEFINE(HWLOC_X86_64_ARCH, 1, [Define to 1 on x86_64])
hwloc_x86_64=yes
HWLOC_MS_LIB_ARCH=X64
AC_MSG_RESULT([x86_64])
;;
*)
AC_DEFINE(HWLOC_X86_64_ARCH, 1, [Define to 1 on x86_64])
hwloc_x86_64=yes
HWLOC_MS_LIB_ARCH=X64
AC_MSG_RESULT([unknown -- assuming x86_64])
;;
esac
;;
*)
AC_MSG_RESULT([unknown])
;;
esac
AC_SUBST(HWLOC_MS_LIB_ARCH)
AC_CHECK_SIZEOF([unsigned long])
AC_DEFINE_UNQUOTED([HWLOC_SIZEOF_UNSIGNED_LONG], $ac_cv_sizeof_unsigned_long, [The size of `unsigned long', as computed by sizeof])
AC_CHECK_SIZEOF([unsigned int])
AC_DEFINE_UNQUOTED([HWLOC_SIZEOF_UNSIGNED_INT], $ac_cv_sizeof_unsigned_int, [The size of `unsigned int', as computed by sizeof])
#
# Check for compiler attributes and visibility
#
_HWLOC_CHECK_ATTRIBUTES
_HWLOC_CHECK_VISIBILITY
HWLOC_CFLAGS="$HWLOC_FLAGS $HWLOC_VISIBILITY_CFLAGS"
AS_IF([test "$HWLOC_VISIBILITY_CFLAGS" != ""],
[AC_MSG_WARN(["$HWLOC_VISIBILITY_CFLAGS" has been added to the hwloc CFLAGS])])
# Make sure the compiler returns an error code when function arg
# count is wrong, otherwise sched_setaffinity checks may fail.
HWLOC_STRICT_ARGS_CFLAGS=
hwloc_args_check=0
AC_MSG_CHECKING([whether the C compiler rejects function calls with too many arguments])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
extern int one_arg(int x);
int foo(void) { return one_arg(1, 2); }
]])],
[AC_MSG_RESULT([no])],
[hwloc_args_check=1
AC_MSG_RESULT([yes])])
AC_MSG_CHECKING([whether the C compiler rejects function calls with too few arguments])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
extern int two_arg(int x, int y);
int foo(void) { return two_arg(3); }
]])],
[AC_MSG_RESULT([no])],
[hwloc_args_check=`expr $hwloc_args_check + 1`
AC_MSG_RESULT([yes])])
AS_IF([test "$hwloc_args_check" != "2"],[
AC_MSG_WARN([Your C compiler does not consider incorrect argument counts to be a fatal error.])
case "$hwloc_c_vendor" in
ibm)
HWLOC_STRICT_ARGS_CFLAGS="-qhalt=e"
;;
intel)
HWLOC_STRICT_ARGS_CFLAGS="-we140"
;;
*)
HWLOC_STRICT_ARGS_CFLAGS=FAIL
AC_MSG_WARN([Please report this warning and configure using a different C compiler if possible.])
;;
esac
AS_IF([test "$HWLOC_STRICT_ARGS_CFLAGS" != "FAIL"],[
AC_MSG_WARN([Configure will append '$HWLOC_STRICT_ARGS_CFLAGS' to the value of CFLAGS when needed.])
AC_MSG_WARN([Alternatively you may configure with a different compiler.])
])
])
AS_IF([test "$hwloc_mode" = "standalone"],[
# For the common developer case, if we're in a developer checkout and
# using the GNU compilers, turn on maximum warnings unless
# specifically disabled by the user.
AC_MSG_CHECKING([whether to enable "picky" compiler mode])
hwloc_want_picky=0
AS_IF([test "$hwloc_c_vendor" = "gnu"],
[AS_IF([test -e "$srcdir/.git"],
[hwloc_want_picky=1])])
if test "$enable_picky" = "yes"; then
if test "$hwloc_c_vendor" = "gnu"; then
AC_MSG_RESULT([yes])
hwloc_want_picky=1
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Warning: --enable-picky used, but is currently only defined for the GCC compiler set -- automatically disabled])
hwloc_want_picky=0
fi
elif test "$enable_picky" = "no"; then
AC_MSG_RESULT([no])
hwloc_want_picky=0
else
if test "$hwloc_want_picky" = 1; then
AC_MSG_RESULT([yes (default)])
else
AC_MSG_RESULT([no (default)])
fi
fi
if test "$hwloc_want_picky" = 1; then
add="-Wall -Wextra -Wunused-parameter -Wundef -Wno-long-long -Wsign-compare"
add="$add -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes"
add="$add -Wcomment -pedantic -Wshadow -Wwrite-strings -Wnested-externs"
add="$add -Wpointer-arith -Wbad-function-cast -Wold-style-definition"
add="$add -Werror-implicit-function-declaration"
_HWLOC_CHECK_CC_OPTION([-Wdiscarded-qualifiers], [add])
_HWLOC_CHECK_CC_OPTION([-Wvariadic-macros], [add])
_HWLOC_CHECK_CC_OPTION([-Wtype-limits], [add])
_HWLOC_CHECK_CC_OPTION([-Wstack-usage=262144], [add])
# -Wextra enables some -Wfoo that we want to disable it at some place
_HWLOC_CHECK_CC_OPTION([-Wmissing-field-initializers], [add], [AC_DEFINE(HWLOC_HAVE_GCC_W_MISSING_FIELD_INITIALIZERS, 1, [Define to 1 if gcc -Wmissing-field-initializers is supported and enabled])])
_HWLOC_CHECK_CC_OPTION([-Wcast-function-type], [add], [AC_DEFINE(HWLOC_HAVE_GCC_W_CAST_FUNCTION_TYPE, 1, [Define to 1 if gcc -Wcast-function-type is supported and enabled])])
HWLOC_CFLAGS="$HWLOC_CFLAGS $add"
fi
])
#
# Now detect support
#
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_HEADERS([dirent.h])
AC_CHECK_HEADERS([strings.h])
AC_CHECK_HEADERS([ctype.h])
AC_CHECK_FUNCS([strcasecmp], [
_HWLOC_CHECK_DECL([strcasecmp], [
AC_DEFINE([HWLOC_HAVE_DECL_STRCASECMP], [1], [Define to 1 if function `strcasecmp' is declared by system headers])
])
])
AC_CHECK_FUNCS([strncasecmp], [
_HWLOC_CHECK_DECL([strncasecmp], [
AC_DEFINE([HWLOC_HAVE_DECL_STRNCASECMP], [1], [Define to 1 if function `strncasecmp' is declared by system headers])
])
])
AC_CHECK_FUNCS([strftime])
AC_CHECK_FUNCS([setlocale])
AC_CHECK_HEADER([stdint.h], [
AC_DEFINE([HWLOC_HAVE_STDINT_H], [1], [Define to 1 if you have the <stdint.h> header file.])
])
AC_CHECK_HEADERS([sys/mman.h])
if test x$hwloc_freebsd = xyes; then
echo
echo "**** FreeBSD-specific checks"
AC_CHECK_HEADERS([sys/domainset.h])
AC_CHECK_HEADERS([sys/thr.h])
AC_CHECK_HEADERS([pthread_np.h])
AC_CHECK_HEADERS([sys/cpuset.h],,,[[#include <sys/param.h>]])
AC_CHECK_FUNCS([cpuset_setaffinity])
AC_CHECK_FUNCS([cpuset_setid])
echo "**** end of FreeBSD-specific checks"
echo
fi
if test x$hwloc_windows = xyes; then
echo
echo "**** Windows-specific checks"
AC_CHECK_HEADER([windows.h], [
AC_DEFINE([HWLOC_HAVE_WINDOWS_H], [1], [Define to 1 if you have the `windows.h' header.])
])
old_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0601"
AC_CHECK_TYPES([KAFFINITY,
PROCESSOR_CACHE_TYPE,
CACHE_DESCRIPTOR,
LOGICAL_PROCESSOR_RELATIONSHIP,
RelationProcessorPackage,
SYSTEM_LOGICAL_PROCESSOR_INFORMATION,
GROUP_AFFINITY,
PROCESSOR_RELATIONSHIP,
NUMA_NODE_RELATIONSHIP,
CACHE_RELATIONSHIP,
PROCESSOR_GROUP_INFO,
GROUP_RELATIONSHIP,
SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX,
PSAPI_WORKING_SET_EX_BLOCK,
PSAPI_WORKING_SET_EX_INFORMATION,
PROCESSOR_NUMBER],
[],[],[[#include <windows.h>]])
CPPFLAGS="$old_CPPFLAGS"
AC_CHECK_DECLS([GetModuleFileName], [], [], [#include <windows.h>])
AC_CHECK_LIB([gdi32], [main],
[HWLOC_LIBS="-lgdi32 $HWLOC_LIBS"
AC_DEFINE([HAVE_LIBGDI32], 1, [Define to 1 if we have -lgdi32])])
AC_CHECK_LIB([user32], [PostQuitMessage], [hwloc_have_user32="yes"])
AC_PATH_PROGS([HWLOC_MS_LIB], [lib])
AC_ARG_VAR([HWLOC_MS_LIB], [Path to Microsoft's Visual Studio `lib' tool])
echo "**** end of Windows-specific checks"
echo
fi
if test x$hwloc_solaris = xyes; then
echo
echo "**** Solaris-specific checks"
AC_CHECK_HEADERS([sys/lgrp_user.h], [
AC_CHECK_LIB([lgrp], [lgrp_init],
[HWLOC_LIBS="-llgrp $HWLOC_LIBS"
AC_DEFINE([HAVE_LIBLGRP], 1, [Define to 1 if we have -llgrp])
AC_CHECK_DECLS([lgrp_latency_cookie],,,[[#include <sys/lgrp_user.h>]])
])
])
AC_CHECK_HEADERS([kstat.h], [
AC_CHECK_LIB([kstat], [main],
[HWLOC_LIBS="-lkstat $HWLOC_LIBS"
AC_DEFINE([HAVE_LIBKSTAT], 1, [Define to 1 if we have -lkstat])])
])
AC_CHECK_HEADERS([picl.h], [
AC_CHECK_LIB([picl], [picl_initialize],
[HWLOC_LIBS="-lpicl $HWLOC_LIBS"])])
echo "**** end of Solaris-specific checks"
echo
fi
if test x$hwloc_aix = xyes; then
echo
echo "**** AIX-specific checks"
AC_SEARCH_LIBS([pthread_getthrds_np], [pthread], [
AC_DEFINE([HWLOC_HAVE_PTHREAD_GETTHRDS_NP], 1, `Define to 1 if you have pthread_getthrds_np')
])
echo "**** end of AIX-specific checks"
echo
fi
if test x$hwloc_linux = xyes; then
echo
echo "**** Linux-specific checks"
AC_CHECK_DECLS([sched_getcpu],,[:],[[
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <sched.h>
]])
_HWLOC_CHECK_DECL([sched_setaffinity], [
hwloc_have_sched_setaffinity=yes
AC_DEFINE([HWLOC_HAVE_SCHED_SETAFFINITY], [1], [Define to 1 if glibc provides a prototype of sched_setaffinity()])
AS_IF([test "$HWLOC_STRICT_ARGS_CFLAGS" = "FAIL"],[
AC_MSG_WARN([Support for sched_setaffinity() requires a C compiler which])
AC_MSG_WARN([considers incorrect argument counts to be a fatal error.])
AC_MSG_ERROR([Cannot continue.])
])
AC_MSG_CHECKING([for old prototype of sched_setaffinity])
hwloc_save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $HWLOC_STRICT_ARGS_CFLAGS"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <sched.h>
static unsigned long mask;
]], [[ sched_setaffinity(0, (void*) &mask); ]])],
[AC_DEFINE([HWLOC_HAVE_OLD_SCHED_SETAFFINITY], [1], [Define to 1 if glibc provides the old prototype (without length) of sched_setaffinity()])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
CFLAGS=$hwloc_save_CFLAGS
], , [[
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <sched.h>
]])
AC_MSG_CHECKING([for working CPU_SET])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
cpu_set_t set;
]], [[ CPU_ZERO(&set); CPU_SET(0, &set);]])],
[AC_DEFINE([HWLOC_HAVE_CPU_SET], [1], [Define to 1 if the CPU_SET macro works])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for working CPU_SET_S])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
cpu_set_t *set;
]], [[
set = CPU_ALLOC(1024);
CPU_ZERO_S(CPU_ALLOC_SIZE(1024), set);
CPU_SET_S(CPU_ALLOC_SIZE(1024), 0, set);
CPU_FREE(set);
]])],
[AC_DEFINE([HWLOC_HAVE_CPU_SET_S], [1], [Define to 1 if the CPU_SET_S macro works])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for working syscall with 6 parameters])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <unistd.h>
#include <sys/syscall.h>
]], [[syscall(0, 1, 2, 3, 4, 5, 6);]])],
[AC_DEFINE([HWLOC_HAVE_SYSCALL], [1], [Define to 1 if function `syscall' is available with 6 parameters])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
# Linux libudev support
if test "x$enable_libudev" != xno; then
AC_CHECK_HEADERS([libudev.h], [
AC_CHECK_LIB([udev], [udev_device_new_from_subsystem_sysname], [
HWLOC_LIBS="$HWLOC_LIBS -ludev"
AC_DEFINE([HWLOC_HAVE_LIBUDEV], [1], [Define to 1 if you have libudev.])
])
])
fi
echo "**** end of Linux-specific checks"
echo
fi
if test "x$hwloc_linux" != "xyes" ; then
# Don't look for sys/sysctl.h on Linux because it's deprecated and
# generates a warning in GCC10. Also it's unneeded.
AC_CHECK_HEADERS([sys/param.h])
AC_CHECK_HEADERS([sys/sysctl.h], [
AC_CHECK_DECLS([CTL_HW, HW_NCPU, HW_REALMEM64, HW_MEMSIZE64, HW_PHYSMEM64, HW_USERMEM64, HW_REALMEM, HW_MEMSIZE, HW_PHYSMEM, HW_USERMEM],,,[[
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <sys/sysctl.h>
]])
],,[
AC_INCLUDES_DEFAULT
#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
# Don't detect sysctl* on Linux because its sysctl() syscall is
# long deprecated and unneeded. Some libc still expose the symbol
# and raise a big warning at link time.
# Do a full link test instead of just using AC_CHECK_FUNCS, which
# just checks to see if the symbol exists or not. For example,
# the prototype of sysctl uses u_int, which on some platforms
# (such as FreeBSD) is only defined under __BSD_VISIBLE, __USE_BSD
# or other similar definitions. So while the symbols "sysctl" and
# "sysctlbyname" might still be available in libc (which autoconf
# checks for), they might not be actually usable.
AC_MSG_CHECKING([for sysctl])
AC_TRY_LINK([
#include <stdio.h>
#include <sys/types.h>
#include <sys/sysctl.h>
],
[return sysctl(NULL,0,NULL,NULL,NULL,0);],
[AC_DEFINE([HAVE_SYSCTL],[1],[Define to '1' if sysctl is present and usable])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING([for sysctlbyname])
AC_TRY_LINK([
#include <stdio.h>
#include <sys/types.h>
#include <sys/sysctl.h>
],
[return sysctlbyname(NULL,NULL,NULL,NULL,0);],
[AC_DEFINE([HAVE_SYSCTLBYNAME],[1],[Define to '1' if sysctlbyname is present and usable])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
fi
AC_CHECK_DECLS([pthread_setaffinity_np],,[:],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
# include <pthread_np.h>
#endif
]])
AC_CHECK_DECLS([pthread_getaffinity_np],,[:],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
# include <pthread_np.h>
#endif
]])
AC_CHECK_DECLS([fabsf], [
AC_CHECK_LIB([m], [fabsf],
[need_libm=yes])
], [], [[#include <math.h>]])
AC_CHECK_DECLS([modff], [
AC_CHECK_LIB([m], [modff],
[need_libm=yes])
], [], [[#include <math.h>]])
if test x$need_libm = xyes; then
HWLOC_LIBS="-lm $HWLOC_LIBS"
fi
AC_CHECK_DECLS([_SC_NPROCESSORS_ONLN,
_SC_NPROCESSORS_CONF,
_SC_NPROC_ONLN,
_SC_NPROC_CONF,
_SC_PAGESIZE,
_SC_PAGE_SIZE,
_SC_LARGE_PAGESIZE],,[:],[[#include <unistd.h>]])
AC_HAVE_HEADERS([mach/mach_init.h])
AC_HAVE_HEADERS([mach_init.h])
AC_HAVE_HEADERS([mach/mach_host.h], [
AC_CHECK_FUNCS([host_info])
])
AC_CHECK_DECLS([strtoull], [], [AC_CHECK_FUNCS([strtoull])], [AC_INCLUDES_DEFAULT])
# Needed for Windows in private/misc.h
AC_CHECK_TYPES([ssize_t])
AC_CHECK_DECLS([snprintf], [], [], [AC_INCLUDES_DEFAULT])
# strdup and putenv are declared in windows headers but marked deprecated
AC_CHECK_DECLS([_strdup], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_DECLS([_putenv], [], [], [AC_INCLUDES_DEFAULT])
# Could add mkdir and access for hwloc-gather-cpuid.c on Windows
broken_snprintf=no
AC_MSG_CHECKING([whether snprintf is correct])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <stdio.h>
#include <string.h>
#include <assert.h>
]], [[
char buf[7];
assert(snprintf(buf, 7, "abcdef") == 6);
assert(snprintf(buf, 6, "abcdef") == 6);
assert(snprintf(buf, 5, "abcdef") == 6);
assert(snprintf(buf, 0, "abcdef") == 6);
assert(snprintf(NULL, 0, "abcdef") == 6);
return 0;
]])],
AC_MSG_RESULT([yes]),
[
AC_MSG_RESULT([no])
broken_snprintf=yes
], [
AC_MSG_RESULT([don't know (cross-compiling)])
broken_snprintf=maybe
])
if test x$broken_snprintf = xno; then
AC_DEFINE([HWLOC_HAVE_CORRECT_SNPRINTF], 1, [Define to 1 if snprintf supports NULL output buffer and returns the correct length on truncation])
fi
AC_CHECK_DECLS([getprogname], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_DECLS([getexecname], [], [], [AC_INCLUDES_DEFAULT])
# program_invocation_name and __progname may be available but not exported in headers
AC_MSG_CHECKING([for program_invocation_name])
AC_TRY_LINK([
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <errno.h>
#include <stdio.h>
extern char *program_invocation_name;
],[
return printf("%s\n", program_invocation_name);
],
[AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1], [Define to '1' if program_invocation_name is present and usable])
AC_MSG_RESULT([yes])
],[AC_MSG_RESULT([no])])
AC_MSG_CHECKING([for __progname])
AC_TRY_LINK([
#include <stdio.h>
extern char *__progname;
],[
return printf("%s\n", __progname);
],
[AC_DEFINE([HAVE___PROGNAME], [1], [Define to '1' if __progname is present and usable])
AC_MSG_RESULT([yes])
],[AC_MSG_RESULT([no])])
case ${target} in
*-*-mingw*|*-*-cygwin*)
hwloc_pid_t=HANDLE
hwloc_thread_t=HANDLE
;;
*)
hwloc_pid_t=pid_t
AC_CHECK_TYPES([pthread_t], [hwloc_thread_t=pthread_t], [:], [[#include <pthread.h>]])
;;
esac
AC_DEFINE_UNQUOTED(hwloc_pid_t, $hwloc_pid_t, [Define this to the process ID type])
if test "x$hwloc_thread_t" != "x" ; then
AC_DEFINE_UNQUOTED(hwloc_thread_t, $hwloc_thread_t, [Define this to the thread ID type])
fi
AC_PATH_PROG([BASH], [bash])
AC_CHECK_FUNCS([ffs], [
_HWLOC_CHECK_DECL([ffs],[
AC_DEFINE([HWLOC_HAVE_DECL_FFS], [1], [Define to 1 if function `ffs' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_FFS], [1], [Define to 1 if you have the `ffs' function.])
if ( $CC --version | grep gccfss ) >/dev/null 2>&1 ; then
dnl May be broken due to
dnl https://forums.oracle.com/forums/thread.jspa?threadID=1997328
dnl TODO: a more selective test, since bug may be version dependent.
dnl We can't use AC_TRY_LINK because the failure does not appear until
dnl run/load time and there is currently no precedent for AC_TRY_RUN
dnl use in hwloc. --PHH
dnl For now, we're going with "all gccfss compilers are broken".
dnl Better to be safe and correct; it's not like this is
dnl performance-critical code, after all.
AC_DEFINE([HWLOC_HAVE_BROKEN_FFS], [1],
[Define to 1 if your `ffs' function is known to be broken.])
fi
])
AC_CHECK_FUNCS([ffsl], [
_HWLOC_CHECK_DECL([ffsl],[
AC_DEFINE([HWLOC_HAVE_DECL_FFSL], [1], [Define to 1 if function `ffsl' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_FFSL], [1], [Define to 1 if you have the `ffsl' function.])
])
AC_CHECK_FUNCS([fls], [
_HWLOC_CHECK_DECL([fls],[
AC_DEFINE([HWLOC_HAVE_DECL_FLS], [1], [Define to 1 if function `fls' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_FLS], [1], [Define to 1 if you have the `fls' function.])
])
AC_CHECK_FUNCS([flsl], [
_HWLOC_CHECK_DECL([flsl],[
AC_DEFINE([HWLOC_HAVE_DECL_FLSL], [1], [Define to 1 if function `flsl' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_FLSL], [1], [Define to 1 if you have the `flsl' function.])
])
AC_CHECK_FUNCS([clz], [
_HWLOC_CHECK_DECL([clz],[
AC_DEFINE([HWLOC_HAVE_DECL_CLZ], [1], [Define to 1 if function `clz' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_CLZ], [1], [Define to 1 if you have the `clz' function.])
])
AC_CHECK_FUNCS([clzl], [
_HWLOC_CHECK_DECL([clzl],[
AC_DEFINE([HWLOC_HAVE_DECL_CLZL], [1], [Define to 1 if function `clzl' is declared by system headers])
])
AC_DEFINE([HWLOC_HAVE_CLZL], [1], [Define to 1 if you have the `clzl' function.])
])
AS_IF([test "$hwloc_c_vendor" != "android"], [AC_CHECK_FUNCS([openat], [hwloc_have_openat=yes])])
AC_CHECK_HEADERS([malloc.h])
AC_CHECK_FUNCS([getpagesize memalign posix_memalign])
AC_CHECK_HEADERS([sys/utsname.h])
AC_CHECK_FUNCS([uname])
dnl Don't check for valgrind in embedded mode because this may conflict
dnl with the embedder projects also checking for it.
dnl We only use Valgrind to nicely disable the x86 backend with a warning,
dnl but we can live without it in embedded mode (it auto-disables itself
dnl because of invalid CPUID outputs).
dnl Non-embedded checks usually go to hwloc_internal.m4 but this one is
dnl is really for the core library.
AS_IF([test "$hwloc_mode" != "embedded"],
[AC_CHECK_HEADERS([valgrind/valgrind.h])
AC_CHECK_DECLS([RUNNING_ON_VALGRIND],,[:],[[#include <valgrind/valgrind.h>]])
],[
AC_DEFINE([HAVE_DECL_RUNNING_ON_VALGRIND], [0], [Embedded mode; just assume we do not have Valgrind support])
])
AS_IF([test "x$enable_32bits_pci_domain" = "xyes"], [
AC_DEFINE([HWLOC_HAVE_32BITS_PCI_DOMAIN], 1,
[Define to 1 if --enable-32bits-pci-domain is called.])
])
# PCI support via libpciaccess. NOTE: we do not support
# libpci/pciutils because that library is GPL and is incompatible
# with our BSD license.
hwloc_pciaccess_happy=no
if test "x$enable_io" != xno && test "x$enable_pci" != xno; then
hwloc_pciaccess_happy=yes
HWLOC_PKG_CHECK_MODULES([PCIACCESS], [pciaccess], [pci_slot_match_iterator_create], [pciaccess.h], [:], [hwloc_pciaccess_happy=no])
# Only add the REQUIRES if we got pciaccess through pkg-config.
# Otherwise we don't know if pciaccess.pc is installed
AS_IF([test "$hwloc_pciaccess_happy" = "yes"], [HWLOC_PCIACCESS_REQUIRES=pciaccess])
# Just for giggles, if we didn't find a pciaccess pkg-config,
# just try looking for its header file and library.
AS_IF([test "$hwloc_pciaccess_happy" != "yes"],
[AC_CHECK_HEADER([pciaccess.h],
[AC_CHECK_LIB([pciaccess], [pci_slot_match_iterator_create],
[hwloc_pciaccess_happy=yes
HWLOC_PCIACCESS_LIBS="-lpciaccess"])
])
])
AS_IF([test "$hwloc_pciaccess_happy" = "yes"],
[hwloc_components="$hwloc_components pci"
hwloc_pci_component_maybeplugin=1])
fi
# If we asked for pci support but couldn't deliver, fail
AS_IF([test "$enable_pci" = "yes" -a "$hwloc_pciaccess_happy" = "no"],
[AC_MSG_WARN([Specified --enable-pci switch, but could not])
AC_MSG_WARN([find appropriate support])
AC_MSG_ERROR([Cannot continue])])
# don't add LIBS/CFLAGS/REQUIRES yet, depends on plugins
# Generic NVIDIA variables since NVML/OpenCL are installed inside CUDA directories
if test "x$with_cuda" != xno -a "x$with_cuda" != x; then
# libnvidia-ml.so (and libcuda.so for tests) is under stubs
# when the driver isn't installed on the build machine.
# hwloc programs will fail to link if libnvidia-ml.so.1 is not available there too.
if test "x${ac_cv_sizeof_void_p}" = x4; then
HWLOC_CUDA_COMMON_LDFLAGS="-L$with_cuda/lib/ -L$with_cuda/lib/stubs/"
else
HWLOC_CUDA_COMMON_LDFLAGS="-L$with_cuda/lib64/ -L$with_cuda/lib64/stubs/"
fi
HWLOC_CUDA_COMMON_CPPFLAGS="-I$with_cuda/include/"
fi
# OpenCL support
hwloc_opencl_happy=no
if test "x$enable_io" != xno && test "x$enable_opencl" != "xno"; then
hwloc_opencl_happy=yes
case ${target} in
*-*-darwin*)
# On Darwin, only use the OpenCL framework
AC_CHECK_HEADERS([OpenCL/cl_ext.h], [
AC_MSG_CHECKING([for the OpenCL framework])
tmp_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -framework OpenCL"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <OpenCL/opencl.h>
]], [[
return clGetDeviceIDs(0, 0, 0, NULL, NULL);
]])],
[AC_MSG_RESULT(yes)
HWLOC_OPENCL_LDFLAGS="-framework OpenCL"],
[AC_MSG_RESULT(no)
hwloc_opencl_happy=no])
LDFLAGS="$tmp_save_LDFLAGS"
], [hwloc_opencl_happy=no])
;;
*)
# On Others, look for OpenCL at normal locations
HWLOC_OPENCL_CPPFLAGS="$HWLOC_CUDA_COMMON_CPPFLAGS"
HWLOC_OPENCL_LDFLAGS="$HWLOC_CUDA_COMMON_LDFLAGS"
tmp_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $HWLOC_OPENCL_CPPFLAGS"
tmp_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $HWLOC_OPENCL_LDFLAGS"
AC_CHECK_HEADERS([CL/cl_ext.h], [
AC_CHECK_LIB([OpenCL], [clGetDeviceIDs], [HWLOC_OPENCL_LIBS="-lOpenCL"], [hwloc_opencl_happy=no])
], [hwloc_opencl_happy=no])
CPPFLAGS="$tmp_save_CPPFLAGS"
LDFLAGS="$tmp_save_LDFLAGS"
;;
esac
fi
AC_SUBST(HWLOC_OPENCL_CPPFLAGS)
AC_SUBST(HWLOC_OPENCL_LIBS)
AC_SUBST(HWLOC_OPENCL_LDFLAGS)
# If we asked for opencl support but couldn't deliver, fail
AS_IF([test "$enable_opencl" = "yes" -a "$hwloc_opencl_happy" = "no"],
[AC_MSG_WARN([Specified --enable-opencl switch, but could not])
AC_MSG_WARN([find appropriate support])
AC_MSG_ERROR([Cannot continue])])
if test "x$hwloc_opencl_happy" = "xyes"; then
AC_DEFINE([HWLOC_HAVE_OPENCL], [1], [Define to 1 if you have the `OpenCL' library.])
AC_SUBST([HWLOC_HAVE_OPENCL], [1])
hwloc_components="$hwloc_components opencl"
hwloc_opencl_component_maybeplugin=1
else
AC_SUBST([HWLOC_HAVE_OPENCL], [0])
fi
# don't add LIBS/CFLAGS/REQUIRES yet, depends on plugins
# CUDA support
hwloc_have_cuda=no
hwloc_have_cudart=no