1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
|
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 (c) 2015-2016 Research Organization for Information Science
dnl and Technology (RIST). 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],[
opal_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
OPAL_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 "$WANT_DEBUG" = "1" && test "$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 "$WANT_PICKY_COMPILER" = 1 && test "$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;],
[
opal_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
opal_cv_cxx_wno_long_double="no"
break;
fi
done
fi
],
[opal_cv_cxx_wno_long_double="no"])],
[opal_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_LANG_PUSH(C++)
AC_CACHE_CHECK([if $CXX supports -finline-functions],
[opal_cv_cxx_finline_functions],
[AC_TRY_COMPILE([], [],
[opal_cv_cxx_finline_functions="yes"],
[opal_cv_cxx_finline_functions="no"])])
AC_LANG_POP(C++)
if test "$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 "$opal_cv_cxx_compiler_vendor" != "microsoft"; then
OPAL_LANG_LINK_WITH_C([C++], [],
[cat <<EOF >&2
**********************************************************************
* It appears that your C++ compiler is unable to link against object
* files created by your C compiler. This generally indicates either
* a conflict between the options specified in CFLAGS and CXXFLAGS
* or a problem with the local compiler installation. More
* information (including exactly what command was given to the
* compilers and what error resulted when the commands were executed) is
* available in the config.log file in this directory.
**********************************************************************
EOF
AC_MSG_ERROR([C and C++ compilers are not link compatible. Can not continue.])])
fi
# If we are on HP-UX, ensure that we're using aCC
case "$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)
OPAL_C_GET_ALIGNMENT(bool, OPAL_ALIGNMENT_CXX_BOOL)
AC_LANG_POP(C++)
])
|