GCC with OpenMP stream-computing extension and BatchQueue algorithm
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# configure.ac for libdecnumber -*- Autoconf -*-
# Process this file with autoconf to generate a configuration script.
# Copyright 2005, 2006, 2009 Free Software Foundation, Inc.
# This file is part of GCC.
# GCC is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 3, or (at your option) any
# later #version.
# GCC is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License #for more details.
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
AC_PREREQ(2.64)
AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
AC_CONFIG_SRCDIR(decNumber.h)
AC_CONFIG_MACRO_DIR(../config)
# Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_RANLIB
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
# Figure out what compiler warnings we can enable.
# See config/warnings.m4 for details.
ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
-Wmissing-prototypes -Wold-style-definition \
-Wmissing-format-attribute -Wcast-qual])
ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
# Only enable with --enable-werror-always until existing warnings are
# corrected.
ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
# Checks for header files.
AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
GCC_HEADER_STDINT(gstdint.h)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_OFF_T
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
# Checks for library functions.
AC_HEADER_STDC
AC_ARG_ENABLE(maintainer-mode,
[ --enable-maintainer-mode enable rules only needed by maintainers],,
enable_maintainer_mode=no)
if test "x$enable_maintainer_mode" = xno; then
MAINT='#'
else
MAINT=
fi
AC_SUBST(MAINT)
AC_CANONICAL_TARGET
# Default decimal format
# If you change the defaults here, be sure to change them in the GCC directory also
AC_MSG_CHECKING([for decimal floating point])
AC_ARG_ENABLE(decimal-float,
[ --enable-decimal-float={no,yes,bid,dpd}
enable decimal float extension to C. Selecting 'bid'
or 'dpd' choses which decimal floating point format
to use],
[
case $enable_decimal_float in
yes | no | bid | dpd) ;;
*) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
esac
],
[
case $target in
powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
enable_decimal_float=yes
;;
*)
enable_decimal_float=no
;;
esac
])
# x86's use BID format instead of DPD
# In theory --enable-decimal-float=no should not compile anything
# For the sake of simplicity, just use the default format in this directory
if test x$enable_decimal_float = xyes -o x$enable_decimal_float = xno; then
case $target in
i?86*-*-linux* | x86_64*-*-linux*)
enable_decimal_float=bid
;;
*)
enable_decimal_float=dpd
;;
esac
fi
# If BID is being used, additional objects should be linked in.
if test x$enable_decimal_float = xbid; then
ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)"
else
ADDITIONAL_OBJS=
fi
AC_MSG_RESULT($enable_decimal_float)
AC_SUBST(enable_decimal_float)
AC_SUBST(ADDITIONAL_OBJS)
AC_C_BIGENDIAN
# Output.
AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
AC_CONFIG_FILES(Makefile)
AC_OUTPUT