X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=libdecnumber%2Fconfigure.ac;h=16c7465b32751aa0cb5491ddfe826518786e39fe;hb=1a20473059c7a088b9f3c4188c09976eebbc3ab4;hp=7d4db8f8ee4a9886877c6b3340e88cb8fa4b4730;hpb=168a2f7744f9a9cdcb53b1861a941cc40291102f;p=deliverable%2Fbinutils-gdb.git

diff --git a/libdecnumber/configure.ac b/libdecnumber/configure.ac
index 7d4db8f8ee..16c7465b32 100644
--- a/libdecnumber/configure.ac
+++ b/libdecnumber/configure.ac
@@ -1,7 +1,7 @@
 # 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) 2005-2018 Free Software Foundation, Inc.
 
 # This file is part of GCC.
 
@@ -19,10 +19,10 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
-AC_PREREQ(2.59)
 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
@@ -42,6 +42,8 @@ ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
 			  -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])
@@ -75,42 +77,11 @@ AC_CANONICAL_TARGET
 # 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
@@ -125,6 +96,13 @@ AC_SUBST(ADDITIONAL_OBJS)
 
 AC_C_BIGENDIAN
 
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+		[build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
 # Output.
 
 AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])