1# configure.ac for libdecnumber			-*- Autoconf -*-
2# Process this file with autoconf to generate a configuration script.
3
4# Copyright (C) 2005-2013 Free Software Foundation, Inc.
5
6# This file is part of GCC.
7
8# GCC is free software; you can redistribute it and/or modify it under
9# the terms of the GNU General Public License as published by the Free
10# Software Foundation; either version 3, or (at your option) any
11# later #version.
12
13# GCC is distributed in the hope that it will be useful, but WITHOUT
14# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16# License #for more details.
17
18# You should have received a copy of the GNU General Public License
19# along with GCC; see the file COPYING3.  If not see
20# <http://www.gnu.org/licenses/>.
21
22AC_PREREQ(2.64)
23AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
24AC_CONFIG_SRCDIR(decNumber.h)
25AC_CONFIG_MACRO_DIR(../config)
26
27# Checks for programs.
28AC_PROG_MAKE_SET
29AC_PROG_CC
30AC_PROG_RANLIB
31
32MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
33AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
34AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
35AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
36
37# Figure out what compiler warnings we can enable.
38# See config/warnings.m4 for details.
39
40ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
41			  -Wmissing-prototypes -Wold-style-definition \
42			  -Wmissing-format-attribute -Wcast-qual])
43ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
44
45# Only enable with --enable-werror-always until existing warnings are
46# corrected.
47ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
48
49# Checks for header files.
50AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
51GCC_HEADER_STDINT(gstdint.h)
52
53# Checks for typedefs, structures, and compiler characteristics.
54AC_C_CONST
55AC_TYPE_OFF_T
56AC_CHECK_SIZEOF(int)
57AC_CHECK_SIZEOF(long)
58
59# Checks for library functions.
60AC_HEADER_STDC
61
62AC_ARG_ENABLE(maintainer-mode,
63[  --enable-maintainer-mode enable rules only needed by maintainers],,
64enable_maintainer_mode=no)
65
66if test "x$enable_maintainer_mode" = xno; then
67  MAINT='#'
68else
69  MAINT=
70fi
71AC_SUBST(MAINT)
72
73AC_CANONICAL_TARGET
74
75# Default decimal format
76# If you change the defaults here, be sure to change them in the GCC directory also
77AC_MSG_CHECKING([for decimal floating point])
78
79GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
80
81# Use default_decimal_float for dependency.
82enable_decimal_float=$default_decimal_float
83
84# If BID is being used, additional objects should be linked in.
85if test x$enable_decimal_float = xbid; then
86  ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)"
87else
88  ADDITIONAL_OBJS=
89fi
90
91AC_MSG_RESULT($enable_decimal_float)
92AC_SUBST(enable_decimal_float)
93AC_SUBST(ADDITIONAL_OBJS)
94
95AC_C_BIGENDIAN
96
97# Output.
98
99AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
100AC_CONFIG_FILES(Makefile)
101AC_OUTPUT
102