1 # configure.ac for libdecnumber -*- Autoconf -*-
2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 2005-2016 Free Software Foundation, Inc.
6 # This file is part of GCC.
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
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.
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/>.
23 AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
24 AC_CONFIG_SRCDIR(decNumber.h)
25 AC_CONFIG_MACRO_DIR(../config)
28 # Checks for programs.
33 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
34 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
35 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
36 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
38 # Figure out what compiler warnings we can enable.
39 # See config/warnings.m4 for details.
41 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
42 -Wmissing-prototypes -Wold-style-definition \
43 -Wmissing-format-attribute -Wcast-qual])
44 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
46 # Only enable with --enable-werror-always until existing warnings are
48 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
50 # Checks for header files.
51 AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
52 GCC_HEADER_STDINT(gstdint.h)
54 # Checks for typedefs, structures, and compiler characteristics.
60 # Checks for library functions.
63 AC_ARG_ENABLE(maintainer-mode,
64 [ --enable-maintainer-mode enable rules only needed by maintainers],,
65 enable_maintainer_mode=no)
67 if test "x$enable_maintainer_mode" = xno; then
76 # Default decimal format
77 # If you change the defaults here, be sure to change them in the GCC directory also
78 AC_MSG_CHECKING([for decimal floating point])
80 GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
82 # Use default_decimal_float for dependency.
83 enable_decimal_float=$default_decimal_float
85 # If BID is being used, additional objects should be linked in.
86 if test x$enable_decimal_float = xbid; then
87 ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)"
92 AC_MSG_RESULT($enable_decimal_float)
93 AC_SUBST(enable_decimal_float)
94 AC_SUBST(ADDITIONAL_OBJS)
98 # Enable --enable-host-shared.
99 AC_ARG_ENABLE(host-shared,
100 [AS_HELP_STRING([--enable-host-shared],
101 [build host code as shared libraries])],
102 [PICFLAG=-fPIC], [PICFLAG=])
107 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
108 AC_CONFIG_FILES(Makefile)