| 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 | |
| 22 | AC_PREREQ(2.64) |
| 23 | AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber) |
| 24 | AC_CONFIG_SRCDIR(decNumber.h) |
| 25 | AC_CONFIG_MACRO_DIR(../config) |
| 26 | AC_CONFIG_AUX_DIR(..) |
| 27 | |
| 28 | # Checks for programs. |
| 29 | AC_PROG_MAKE_SET |
| 30 | AC_PROG_CC |
| 31 | AC_PROG_RANLIB |
| 32 | |
| 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]) |
| 37 | |
| 38 | # Figure out what compiler warnings we can enable. |
| 39 | # See config/warnings.m4 for details. |
| 40 | |
| 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]) |
| 45 | |
| 46 | # Only enable with --enable-werror-always until existing warnings are |
| 47 | # corrected. |
| 48 | ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual]) |
| 49 | |
| 50 | # Checks for header files. |
| 51 | AC_CHECK_HEADERS(ctype.h stddef.h string.h stdio.h) |
| 52 | GCC_HEADER_STDINT(gstdint.h) |
| 53 | |
| 54 | # Checks for typedefs, structures, and compiler characteristics. |
| 55 | AC_C_CONST |
| 56 | AC_TYPE_OFF_T |
| 57 | AC_CHECK_SIZEOF(int) |
| 58 | AC_CHECK_SIZEOF(long) |
| 59 | |
| 60 | # Checks for library functions. |
| 61 | AC_HEADER_STDC |
| 62 | |
| 63 | AC_ARG_ENABLE(maintainer-mode, |
| 64 | [ --enable-maintainer-mode enable rules only needed by maintainers],, |
| 65 | enable_maintainer_mode=no) |
| 66 | |
| 67 | if test "x$enable_maintainer_mode" = xno; then |
| 68 | MAINT='#' |
| 69 | else |
| 70 | MAINT= |
| 71 | fi |
| 72 | AC_SUBST(MAINT) |
| 73 | |
| 74 | AC_CANONICAL_TARGET |
| 75 | |
| 76 | # Default decimal format |
| 77 | # If you change the defaults here, be sure to change them in the GCC directory also |
| 78 | AC_MSG_CHECKING([for decimal floating point]) |
| 79 | |
| 80 | GCC_AC_ENABLE_DECIMAL_FLOAT([$target]) |
| 81 | |
| 82 | # Use default_decimal_float for dependency. |
| 83 | enable_decimal_float=$default_decimal_float |
| 84 | |
| 85 | # If BID is being used, additional objects should be linked in. |
| 86 | if test x$enable_decimal_float = xbid; then |
| 87 | ADDITIONAL_OBJS="$ADDITIONAL_OBJS \$(bid_OBJS)" |
| 88 | else |
| 89 | ADDITIONAL_OBJS= |
| 90 | fi |
| 91 | |
| 92 | AC_MSG_RESULT($enable_decimal_float) |
| 93 | AC_SUBST(enable_decimal_float) |
| 94 | AC_SUBST(ADDITIONAL_OBJS) |
| 95 | |
| 96 | AC_C_BIGENDIAN |
| 97 | |
| 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=]) |
| 103 | AC_SUBST(PICFLAG) |
| 104 | |
| 105 | # Output. |
| 106 | |
| 107 | AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1]) |
| 108 | AC_CONFIG_FILES(Makefile) |
| 109 | AC_OUTPUT |