1 # configure.ac for libdecnumber -*- Autoconf -*-
2 # Process this file with autoconf to generate a configuration script.
4 # Copyright (C) 2005-2019 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/>.
22 AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
23 AC_CONFIG_SRCDIR(decNumber.h)
24 AC_CONFIG_MACRO_DIR(../config)
27 # Checks for programs.
32 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
33 AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
34 AC_CHECK_PROGS([AUTOCONF], [autoconf], [$MISSING autoconf])
35 AC_CHECK_PROGS([AUTOHEADER], [autoheader], [$MISSING autoheader])
37 # Figure out what compiler warnings we can enable.
38 # See config/warnings.m4 for details.
40 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
41 -Wmissing-prototypes -Wold-style-definition \
42 -Wmissing-format-attribute -Wcast-qual])
43 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
45 ACX_PROG_CC_WARNING_OPTS([-fno-lto], [nolto_flags])
47 # Only enable with --enable-werror-always until existing warnings are
49 ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
51 # Checks for header files.
52 AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h)
53 GCC_HEADER_STDINT(gstdint.h)
55 # Checks for typedefs, structures, and compiler characteristics.
61 # Checks for library functions.
64 AC_ARG_ENABLE(maintainer-mode,
65 [ --enable-maintainer-mode enable rules only needed by maintainers],,
66 enable_maintainer_mode=no)
68 if test "x$enable_maintainer_mode" = xno; then
77 # Default decimal format
78 # If you change the defaults here, be sure to change them in the GCC directory also
79 AC_MSG_CHECKING([for decimal floating point])
81 GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
83 # Use default_decimal_float for dependency.
84 enable_decimal_float=$default_decimal_float
86 # If BID is being used, additional objects should be linked in.
87 if test x$enable_decimal_float = xbid; then
88 ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)"
93 AC_MSG_RESULT($enable_decimal_float)
94 AC_SUBST(enable_decimal_float)
95 AC_SUBST(ADDITIONAL_OBJS)
99 # Enable --enable-host-shared.
100 AC_ARG_ENABLE(host-shared,
101 [AS_HELP_STRING([--enable-host-shared],
102 [build host code as shared libraries])],
103 [PICFLAG=-fPIC], [PICFLAG=])
108 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
109 AC_CONFIG_FILES(Makefile)