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133 lines
3.7 KiB
Plaintext
133 lines
3.7 KiB
Plaintext
# configure.ac for libdecnumber -*- Autoconf -*-
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# Process this file with autoconf to generate a configuration script.
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# Copyright 2005, 2006, 2009 Free Software Foundation, Inc.
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# This file is part of GCC.
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# GCC is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3, or (at your option) any
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# later #version.
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# GCC is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# License #for more details.
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>.
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AC_PREREQ(2.59)
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AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
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AC_CONFIG_SRCDIR(decNumber.h)
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AC_CONFIG_MACRO_DIR(../config)
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# Checks for programs.
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AC_PROG_MAKE_SET
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AC_PROG_CC
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AC_PROG_RANLIB
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MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
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AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
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AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
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AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
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# Figure out what compiler warnings we can enable.
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# See config/warnings.m4 for details.
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ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
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-Wmissing-prototypes -Wold-style-definition \
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-Wmissing-format-attribute -Wcast-qual])
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ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
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# Only enable with --enable-werror-always until existing warnings are
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# corrected.
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ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
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# Checks for header files.
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AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
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GCC_HEADER_STDINT(gstdint.h)
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# Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_OFF_T
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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# Checks for library functions.
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AC_HEADER_STDC
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AC_ARG_ENABLE(maintainer-mode,
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[ --enable-maintainer-mode enable rules only needed by maintainers],,
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enable_maintainer_mode=no)
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if test "x$enable_maintainer_mode" = xno; then
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MAINT='#'
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else
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MAINT=
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fi
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AC_SUBST(MAINT)
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AC_CANONICAL_TARGET
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# Default decimal format
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# If you change the defaults here, be sure to change them in the GCC directory also
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AC_MSG_CHECKING([for decimal floating point])
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AC_ARG_ENABLE(decimal-float,
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[ --enable-decimal-float={no,yes,bid,dpd}
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enable decimal float extension to C. Selecting 'bid'
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or 'dpd' choses which decimal floating point format
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to use],
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[
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case $enable_decimal_float in
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yes | no | bid | dpd) ;;
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*) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
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Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
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esac
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],
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[
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case $target in
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powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
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enable_decimal_float=yes
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;;
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*)
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enable_decimal_float=no
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;;
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esac
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])
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# x86's use BID format instead of DPD
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# In theory --enable-decimal-float=no should not compile anything
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# For the sake of simplicity, just use the default format in this directory
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if test x$enable_decimal_float = xyes -o x$enable_decimal_float = xno; then
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case $target in
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i?86*-*-linux* | x86_64*-*-linux*)
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enable_decimal_float=bid
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;;
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*)
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enable_decimal_float=dpd
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;;
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esac
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fi
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# If BID is being used, additional objects should be linked in.
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if test x$enable_decimal_float = xbid; then
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ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)"
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else
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ADDITIONAL_OBJS=
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fi
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AC_MSG_RESULT($enable_decimal_float)
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AC_SUBST(enable_decimal_float)
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AC_SUBST(ADDITIONAL_OBJS)
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AC_C_BIGENDIAN
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# Output.
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AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
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AC_CONFIG_FILES(Makefile)
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AC_OUTPUT
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