# configure.ac for libdecnumber -*- Autoconf -*-
# Process this file with autoconf to generate a configuration script.
-# Copyright 2005, 2006, 2009 Free Software Foundation, Inc.
+# Copyright (C) 2005-2022 Free Software Foundation, Inc.
# This file is part of GCC.
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
-AC_PREREQ(2.64)
AC_INIT(libdecnumber, [ ], gcc-bugs@gcc.gnu.org, libdecnumber)
AC_CONFIG_SRCDIR(decNumber.h)
AC_CONFIG_MACRO_DIR(../config)
+AC_CONFIG_AUX_DIR(..)
# Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_RANLIB
+AC_CHECK_TOOL(AR, ar)
MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
AC_CHECK_PROGS([ACLOCAL], [aclocal], [$MISSING aclocal])
-Wmissing-format-attribute -Wcast-qual])
ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long])
+ACX_PROG_CC_WARNING_OPTS([-fno-lto], [nolto_flags])
+
# Only enable with --enable-werror-always until existing warnings are
# corrected.
ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual])
# 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 $target in
- i?86*-*-linux* | x86_64*-*-linux*)
- enable_decimal_float=bid
- ;;
- *)
- enable_decimal_float=dpd
- ;;
- esac
-fi
+
+GCC_AC_ENABLE_DECIMAL_FLOAT([$target])
+
+# Use default_decimal_float for dependency.
+enable_decimal_float=$default_decimal_float
# If BID is being used, additional objects should be linked in.
if test x$enable_decimal_float = xbid; then
AC_C_BIGENDIAN
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])])
+AC_SUBST(enable_host_shared)
+
+# Enable --enable-host-pie.
+AC_ARG_ENABLE(host-pie,
+[AS_HELP_STRING([--enable-host-pie],
+ [build host code as PIE])])
+AC_SUBST(enable_host_pie)
+
+if test x$enable_host_shared = xyes; then
+ PICFLAG=-fPIC
+elif test x$enable_host_pie = xyes; then
+ PICFLAG=-fPIE
+else
+ PICFLAG=
+fi
+
+AC_SUBST(PICFLAG)
+
+# Enable Intel CET on Intel CET enabled host if jit is enabled.
+GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
+case x$enable_languages in
+*jit*)
+ ;;
+*)
+ CET_HOST_FLAGS=
+ ;;
+esac
+AC_SUBST(CET_HOST_FLAGS)
+
+
# Output.
AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])