223 строки
8.1 KiB
Bash
223 строки
8.1 KiB
Bash
dnl -*- shell-script -*-
|
|
dnl
|
|
dnl Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
|
|
dnl University Research and Technology
|
|
dnl Corporation. All rights reserved.
|
|
dnl Copyright (c) 2004-2006 The University of Tennessee and The University
|
|
dnl of Tennessee Research Foundation. All rights
|
|
dnl reserved.
|
|
dnl Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
|
|
dnl University of Stuttgart. All rights reserved.
|
|
dnl Copyright (c) 2004-2006 The Regents of the University of California.
|
|
dnl All rights reserved.
|
|
dnl Copyright (c) 2006 Los Alamos National Security, LLC. All rights
|
|
dnl reserved.
|
|
dnl Copyright (c) 2007-2009 Sun Microsystems, Inc. All rights reserved.
|
|
dnl Copyright (c) 2008-2013 Cisco Systems, Inc. All rights reserved.
|
|
dnl $COPYRIGHT$
|
|
dnl
|
|
dnl Additional copyrights may follow
|
|
dnl
|
|
dnl $HEADER$
|
|
dnl
|
|
|
|
# This macro is necessary to get the title to be displayed first. :-)
|
|
AC_DEFUN([OPAL_SETUP_CXX_BANNER],[
|
|
ompi_show_subtitle "C++ compiler and preprocessor"
|
|
])
|
|
|
|
# This macro is necessary because PROG_CXX* is REQUIREd by multiple
|
|
# places in SETUP_CXX.
|
|
AC_DEFUN([OPAL_PROG_CXX],[
|
|
OPAL_VAR_SCOPE_PUSH([opal_cxxflags_save])
|
|
opal_cxxflags_save="$CXXFLAGS"
|
|
AC_PROG_CXX
|
|
AC_PROG_CXXCPP
|
|
CXXFLAGS="$opal_cxxflags_save"
|
|
OPAL_VAR_SCOPE_POP
|
|
])
|
|
|
|
# OPAL_SETUP_CXX()
|
|
# ----------------
|
|
# Do everything required to setup the C++ compiler. Safe to AC_REQUIRE
|
|
# this macro.
|
|
AC_DEFUN([OPAL_SETUP_CXX],[
|
|
AC_REQUIRE([OPAL_SETUP_CXX_BANNER])
|
|
|
|
_OPAL_SETUP_CXX_COMPILER
|
|
|
|
OMPI_CXX_COMPILER_VENDOR([opal_cxx_vendor])
|
|
|
|
_OPAL_SETUP_CXX_COMPILER_BACKEND
|
|
])
|
|
|
|
# _OPAL_SETUP_CXX_COMPILER()
|
|
# --------------------------
|
|
# Setup the CXX compiler
|
|
AC_DEFUN([_OPAL_SETUP_CXX_COMPILER],[
|
|
OPAL_VAR_SCOPE_PUSH(opal_cxx_compiler_works)
|
|
|
|
# Must REQUIRE the PROG_CXX macro and not call it directly here for
|
|
# reasons well-described in the AC2.64 (and beyond) docs.
|
|
AC_REQUIRE([OPAL_PROG_CXX])
|
|
BASECXX="`basename $CXX`"
|
|
|
|
AS_IF([test "x$CXX" = "x"], [CXX=none])
|
|
set dummy $CXX
|
|
opal_cxx_argv0=[$]2
|
|
OPAL_WHICH([$opal_cxx_argv0], [OPAL_CXX_ABSOLUTE])
|
|
AS_IF([test "x$OPAL_CXX_ABSOLUTE" = "x"], [OPAL_CXX_ABSOLUTE=none])
|
|
|
|
AC_DEFINE_UNQUOTED(OPAL_CXX, "$CXX", [OPAL underlying C++ compiler])
|
|
AC_SUBST(OPAL_CXX_ABSOLUTE)
|
|
|
|
OPAL_VAR_SCOPE_POP
|
|
])
|
|
|
|
# _OPAL_SETUP_CXX_COMPILER_BACKEND()
|
|
# ----------------------------------
|
|
# Back end of _OPAL_SETUP_CXX_COMPILER_BACKEND()
|
|
AC_DEFUN([_OPAL_SETUP_CXX_COMPILER_BACKEND],[
|
|
# Do we want code coverage
|
|
if test "$WANT_COVERAGE" = "1"; then
|
|
if test "$opal_cxx_vendor" = "gnu" ; then
|
|
AC_MSG_WARN([$OPAL_COVERAGE_FLAGS has been added to CFLAGS (--enable-coverage)])
|
|
WANT_DEBUG=1
|
|
CXXFLAGS="${CXXFLAGS} $OPAL_COVERAGE_FLAGS"
|
|
OPAL_WRAPPER_FLAGS_ADD([CXXFLAGS], [$OPAL_COVERAGE_FLAGS])
|
|
else
|
|
AC_MSG_WARN([Code coverage functionality is currently available only with GCC suite])
|
|
AC_MSG_ERROR([Configure: cannot continue])
|
|
fi
|
|
fi
|
|
|
|
# Do we want debugging?
|
|
if test "$WANT_DEBUG" = "1" -a "$enable_debug_symbols" != "no" ; then
|
|
CXXFLAGS="$CXXFLAGS -g"
|
|
OPAL_FLAGS_UNIQ(CXXFLAGS)
|
|
AC_MSG_WARN([-g has been added to CXXFLAGS (--enable-debug)])
|
|
fi
|
|
|
|
# These flags are generally g++-specific; even the g++-impersonating
|
|
# compilers won't accept them.
|
|
OPAL_CXXFLAGS_BEFORE_PICKY="$CXXFLAGS"
|
|
if test "$WANT_PICKY_COMPILER" = 1 -a "$opal_cxx_vendor" = "gnu"; then
|
|
add="-Wall -Wundef -Wno-long-long"
|
|
|
|
# see if -Wno-long-double works...
|
|
AC_LANG_PUSH(C++)
|
|
CXXFLAGS_orig="$CXXFLAGS"
|
|
CXXFLAGS="$CXXFLAGS $add -Wno-long-double -fstrict-prototype"
|
|
AC_CACHE_CHECK([if $CXX supports -Wno-long-double],
|
|
[opal_cv_cxx_wno_long_double],
|
|
[AC_TRY_COMPILE([], [],
|
|
[
|
|
dnl So -Wno-long-double did not produce any errors...
|
|
dnl We will try to extract a warning regarding
|
|
dnl unrecognized or ignored options
|
|
AC_TRY_COMPILE([], [long double test;],
|
|
[
|
|
ompi_cv_cxx_wno_long_double="yes"
|
|
if test -s conftest.err ; then
|
|
dnl Yes, it should be "ignor", in order to catch ignoring and ignore
|
|
for i in unknown invalid ignor unrecognized ; do
|
|
$GREP -iq $i conftest.err
|
|
if test "$?" = "0" ; then
|
|
ompi_cv_cxx_wno_long_double="no"
|
|
break;
|
|
fi
|
|
done
|
|
fi
|
|
],
|
|
[ompi_cv_cxx_wno_long_double="no"])],
|
|
[ompi_cv_cxx_wno_long_double="no"])
|
|
])
|
|
|
|
CXXFLAGS="$CXXFLAGS_orig"
|
|
AC_LANG_POP(C++)
|
|
if test "$opal_cv_cxx_wno_long_double" = "yes" ; then
|
|
add="$add -Wno-long-double"
|
|
fi
|
|
|
|
CXXFLAGS="$CXXFLAGS $add"
|
|
OPAL_FLAGS_UNIQ(CXXFLAGS)
|
|
if test "$add" != "" ; then
|
|
AC_MSG_WARN([$add has been added to CXXFLAGS (--enable-picky)])
|
|
fi
|
|
unset add
|
|
fi
|
|
|
|
# See if this version of g++ allows -finline-functions
|
|
if test "$GXX" = "yes"; then
|
|
CXXFLAGS_orig="$CXXFLAGS"
|
|
CXXFLAGS="$CXXFLAGS -finline-functions"
|
|
add=
|
|
AC_CACHE_CHECK([if $CXX supports -finline-functions],
|
|
[opal_cv_cxx_finline_functions],
|
|
[AC_TRY_COMPILE([], [],
|
|
[opal_cv_cxx_finline_functions="yes"],
|
|
[opal_cv_cxx_finline_functions="no"])])
|
|
if test "$opal_cv_cxx_finline_functions" = "yes" ; then
|
|
add=" -finline-functions"
|
|
fi
|
|
CXXFLAGS="$CXXFLAGS_orig$add"
|
|
OPAL_FLAGS_UNIQ(CXXFLAGS)
|
|
if test "$add" != "" ; then
|
|
AC_MSG_WARN([$add has been added to CXXFLAGS])
|
|
fi
|
|
unset add
|
|
fi
|
|
|
|
# Make sure we can link with the C compiler
|
|
if[ test "$opal_cv_cxx_compiler_vendor" != "microsoft" ]; then
|
|
OMPI_LANG_LINK_WITH_C([C++], [],
|
|
[cat <<EOF >&2
|
|
**********************************************************************
|
|
* It appears that your C++ compiler is unable to link against object
|
|
* files created by your C compiler. This generally indicates either
|
|
* a conflict between the options specified in CFLAGS and CXXFLAGS
|
|
* or a problem with the local compiler installation. More
|
|
* information (including exactly what command was given to the
|
|
* compilers and what error resulted when the commands were executed) is
|
|
* available in the config.log file in this directory.
|
|
**********************************************************************
|
|
EOF
|
|
AC_MSG_ERROR([C and C++ compilers are not link compatible. Can not continue.])])
|
|
fi
|
|
|
|
# If we are on HP-UX, ensure that we're using aCC
|
|
case "$host" in
|
|
*hpux*)
|
|
if test "$BASECXX" = "CC"; then
|
|
AC_MSG_WARN([*** You will probably have problems compiling the MPI 2])
|
|
AC_MSG_WARN([*** C++ bindings with the HP-UX CC compiler. You should])
|
|
AC_MSG_WARN([*** probably be using the aCC compiler. Re-run configure])
|
|
AC_MSG_WARN([*** with the environment variable "CXX=aCC".])
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
# Note: gcc-imperonating compilers accept -O3
|
|
if test "$WANT_DEBUG" = "1"; then
|
|
OPTFLAGS=
|
|
else
|
|
if test "$GXX" = yes; then
|
|
OPTFLAGS="-O3"
|
|
else
|
|
OPTFLAGS="-O"
|
|
fi
|
|
fi
|
|
|
|
# config/opal_ensure_contains_optflags.m4
|
|
OPAL_ENSURE_CONTAINS_OPTFLAGS(["$CXXFLAGS"])
|
|
AC_MSG_CHECKING([for C++ optimization flags])
|
|
AC_MSG_RESULT([$co_result])
|
|
CXXFLAGS="$co_result"
|
|
|
|
# bool type size and alignment
|
|
AC_LANG_PUSH(C++)
|
|
AC_CHECK_SIZEOF(bool)
|
|
OMPI_C_GET_ALIGNMENT(bool, OPAL_ALIGNMENT_CXX_BOOL)
|
|
AC_LANG_POP(C++)
|
|
])
|