X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=libdecnumber%2Fconfigure.ac;h=16c7465b32751aa0cb5491ddfe826518786e39fe;hb=b50ef514ff0c8d5506227c412c508f9f538bcf5a;hp=a6f7f07118cb6a84a448d51fcf7ab02de8cfacb4;hpb=0f5f799a26ee1ab0e591247bb54827a9010bd7b9;p=deliverable%2Fbinutils-gdb.git

diff --git a/libdecnumber/configure.ac b/libdecnumber/configure.ac
index a6f7f07118..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 (C) 2005-2013 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(2.64)
 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
@@ -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])
@@ -94,6 +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])