diff options
Diffstat (limited to 'gcc-4.4.3/libdecnumber/configure.ac')
| -rw-r--r-- | gcc-4.4.3/libdecnumber/configure.ac | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/gcc-4.4.3/libdecnumber/configure.ac b/gcc-4.4.3/libdecnumber/configure.ac new file mode 100644 index 000000000..7d4db8f8e --- /dev/null +++ b/gcc-4.4.3/libdecnumber/configure.ac @@ -0,0 +1,132 @@ +# 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(2.59) +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 |