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# -*- shell-script -*-
#
# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
# University Research and Technology
# Corporation. All rights reserved.
# Copyright (c) 2004-2005 The University of Tennessee and The University
# of Tennessee Research Foundation. All rights
# reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
# University of Stuttgart. All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
# All rights reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#
AC_DEFUN([MCA_memory_ptmalloc2_COMPILE_MODE], [
AC_MSG_CHECKING([for MCA component $2:$3 compile mode])
$4="static"
AC_MSG_RESULT([$$4])
])
# MCA_memory_ptmalloc2_CONFIG(action-if-can-compile,
# [action-if-cant-compile])
# ------------------------------------------------
AC_DEFUN([MCA_memory_ptmalloc2_CONFIG],[
AC_ARG_WITH([memory-manager],
[AC_HELP_STRING([--with-memory-manager=TYPE],
[Use TYPE for intercepting memory management
calls to control memory pinning.])])
AC_ARG_ENABLE([ptmalloc2-opt-sbrk],
[AC_HELP_STRING([--enable-ptmalloc2-opt-sbrk],
[Only trigger callbacks when sbrk is used for small
allocations, rather than every call to malloc/free.
(default: enabled)])])
if test "$enable_ptmalloc2_opt_sbrk" = "no" ; then
memory_ptmalloc2_opt_sbrk=0
else
memory_ptmalloc2_opt_sbrk=1
fi
AC_DEFINE_UNQUOTED([OMPI_MEMORY_PTMALLOC2_OPT_SBRK],
[$memory_ptmalloc2_opt_sbrk],
[Trigger callbacks on sbrk instead of malloc or free])
AS_IF([test "$with_memory_manager" = "ptmalloc2"],
[if test "`echo $host | grep apple-darwin`" != "" ; then
AC_MSG_WARN([*** Using ptmalloc with OS X will result in failure.])
AC_MSG_ERROR([*** Aborting to save you the effort])
fi
memory_ptmalloc2_happy="yes"
memory_ptmalloc2_should_use=1],
[memory_ptmalloc2_should_use=0
AS_IF([test "$with_memory_manager" = ""],
[memory_ptmalloc2_happy="yes"],
[memory_ptmalloc2_happy="no"])])
# Per ticket #227, Intel 9.0 v20051201 on ia64 with optimization
# of -O2 or higher will bork ptmalloc2 in strange in mysterious
# ways. Doh! So if the compiler vendor is intel and we're on an
# ia64 box, run "icc --version" and snarf the version string. If
# it's 9.0 and the version is <= 20051201, then disable ptmalloc2.
# Executive decision: ignore optimization levels (even though -O1
# and -O0 seem to work). The upgrade to 9.1 is free, so that's a
# better path than trying to make a much more complicated test
# here.
case $host in
ia64-*)
AS_IF([test "$ompi_c_vendor" = "intel"],
[# check for v9.0 <= 20051201
icc_major_ver="`$CC --version | head -n 1 | awk '{ print [$]3 }'`"
icc_minor_ver="`$CC --version | head -n 1 | awk '{ print [$]4 }'`"
AS_IF([test "$icc_major_ver" = "9.0" -a "`expr $icc_minor_ver \<= 20051201`" = "1"],
[memory_ptmalloc2_happy="no"
AC_MSG_WARN([*** Detected Intel C compiler v9.0 <= 20051201 on ia64])
AC_MSG_WARN([*** This compiler/platform combination has known problems with ptmalloc2])
AC_MSG_WARN([*** Automatically disabling ptmalloc2])])
unset icc_major_ver icc_minor_ver])
;;
esac
AS_IF([test "$memory_ptmalloc2_happy" = "yes"],
[# check for malloc.h
AC_CHECK_HEADER([malloc.h],
[memory_ptmalloc2_happy="yes"],
[memory_ptmalloc2_happy="no"])])
AS_IF([test "$memory_ptmalloc2_happy" = "yes"],
[# check for init hook symbol
AC_CHECK_DECL([__malloc_initialize_hook],
[memory_ptmalloc2_happy="yes"],
[memory_ptmalloc2_happy="no"],
[AC_INCLUDES_DEFAULT
#include <malloc.h>])])
#
# See if we have sbrk prototyped
#
AC_CHECK_DECLS([sbrk])
#
# Figure out how we're going to call mmap/munmap for real
#
AS_IF([test "$memory_ptmalloc2_happy" = "yes"],
[memory_ptmalloc2_mmap=0
memory_ptmalloc2_munmap=1
# it's nearly impossible to call mmap from syscall(), so
# only go this route if we can't get at munmap any other
# way.
AC_CHECK_HEADER([syscall.h],
[AC_CHECK_FUNCS([syscall], [], [memory_ptmalloc2_munmap=0])])
# Always look for __munmap and __mmap
AC_CHECK_FUNCS([__munmap], [memory_ptmalloc2_mmap=1])
AC_CHECK_FUNCS([__mmap])
# only allow dlsym (and therefore add -ldl) if we
# really need to
AS_IF([test "$memory_ptmalloc2_mmap" = "0"],
[memory_ptmalloc2_LIBS_SAVE="$LIBS"
AC_CHECK_LIB([dl],
[dlsym],
[LIBS="$LIBS -ldl"
memory_ptmalloc2_LIBS="-ldl"
memory_ptmalloc2_mmap=1])
AC_CHECK_FUNCS([dlsym])
LIBS="$memory_ptmalloc2_LIBS_SAVE"])
AS_IF([test "$memory_ptmalloc2_mmap" = "0" -a "$memory_ptmalloc2_munmap" = "0"],
[memory_ptmalloc2_happy="no"])])
AS_IF([test "$memory_ptmalloc2_happy" = "yes"],
[memory_ptmalloc2_WRAPPER_EXTRA_LIBS="$memory_ptmalloc2_LIBS"])
AS_IF([test "$memory_ptmalloc2_happy" = "no" -a \
"$memory_malloc_hoooks_should_use" = "1"],
[AC_MSG_ERROR([ptmalloc2 memory management requested but not available. Aborting.])])
AC_SUBST([memory_ptmalloc2_LIBS])
AS_IF([test "$memory_ptmalloc2_happy" = "yes"],
[memory_base_found=1
$1], [$2])
])
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