[2.25] sync to a30720e3e633f275250e26f85ccae5dbdddfb6c6

local patches will be re-applied later

commit a30720e3e633f275250e26f85ccae5dbdddfb6c6
Author: Alan Modra <amodra@gmail.com>
Date:   Wed Nov 19 10:30:16 2014 +1030

    daily update

Change-Id: Ieb2a3f4dd2ecb289ac5305ff08d428b2847494ab

7 files changed, 75 insertions, 14 deletions

diff --git a/binutils-2.25/config/ChangeLog b/binutils-2.25/config/ChangeLog
index e3f6f456..4e74bea3 100644
--- a/binutils-2.25/config/ChangeLog
+++ b/binutils-2.25/config/ChangeLog
@@ -1,3 +1,44 @@
+2014-08-19  Alan Modra  <amodra@gmail.com>
+
+	* plugins.m4 (AC_PLUGINS): If plugins are enabled, add -ldl to
+	LIBS via AC_SEARCH_LIBS.
+
+2014-08-14  Alan Modra  <amodra@gmail.com>
+
+	* plugins.m4: Test for dlfcn.h or windows.h here to set default
+	for --enable-plugins.  Report error if someone tries to enable
+	plugins on a host we don't support.
+
+2014-05-14  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* mt-nios2-elf: New file.
+
+2013-12-07  Mike Frysinger  <vapier@gentoo.org>
+
+	* acinclude.m4: Remove +x file mode.
+
+2013-11-29  Marek Polacek  <polacek@redhat.com>
+
+	* bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Remove -lpthread -ldl.
+	Add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-29  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
+	-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-19  Marek Polacek  <polacek@redhat.com>
+
+	* bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Add -ldl.
+
+2013-11-18  Jan Hubicka  <jh@suse.cz>
+
+	* bootstrap-lto.mk: Use -ffat-lto-objects.
+
+2013-11-15  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* picflag.m4 (m68k-*-*): Use default PIC flag.
+
 2013-09-29  Iain Sandoe  <iain@codesourcery.com>
 
 	* mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.
@@ -18,6 +59,10 @@
 	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
 	-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.
 
+2013-01-23  Shenghou Ma  <minux.ma@gmail.com>
+
+	* isl.m4: don't echo $CFLAGS for ISL_CHECK_VERSION.
+
 2013-01-15  Richard Biener  <rguenther@suse.de>
 
 	PR other/55973
diff --git a/binutils-2.25/config/bootstrap-asan.mk b/binutils-2.25/config/bootstrap-asan.mk
index e3f34f5a..fbef0212 100644
--- a/binutils-2.25/config/bootstrap-asan.mk
+++ b/binutils-2.25/config/bootstrap-asan.mk
@@ -3,5 +3,6 @@
 STAGE2_CFLAGS += -fsanitize=address
 STAGE3_CFLAGS += -fsanitize=address
 POSTSTAGE1_LDFLAGS += -fsanitize=address -static-libasan \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.libs
diff --git a/binutils-2.25/config/bootstrap-lto.mk b/binutils-2.25/config/bootstrap-lto.mk
index bbd3515e..27bad152 100644
--- a/binutils-2.25/config/bootstrap-lto.mk
+++ b/binutils-2.25/config/bootstrap-lto.mk
@@ -1,5 +1,7 @@
 # This option enables LTO for stage2 and stage3.
+# FIXME: Our build system is not yet able to use gcc-ar wrapper, so we need
+# to go with -ffat-lto-objects. 
 
-STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1
-STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1
+STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
+STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
 STAGEprofile_CFLAGS += -fno-lto
diff --git a/binutils-2.25/config/bootstrap-ubsan.mk b/binutils-2.25/config/bootstrap-ubsan.mk
index 2d21e832..d2615e8f 100644
--- a/binutils-2.25/config/bootstrap-ubsan.mk
+++ b/binutils-2.25/config/bootstrap-ubsan.mk
@@ -2,6 +2,7 @@
 
 STAGE2_CFLAGS += -fsanitize=undefined
 STAGE3_CFLAGS += -fsanitize=undefined
-POSTSTAGE1_LDFLAGS += -fsanitize=undefined -static-libubsan -lpthread \
+POSTSTAGE1_LDFLAGS += -fsanitize=undefined -static-libubsan \
+		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/ \
 		      -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/ubsan/.libs
diff --git a/binutils-2.25/config/mt-nios2-elf b/binutils-2.25/config/mt-nios2-elf
new file mode 100644
index 00000000..1dee7c64
--- /dev/null
+++ b/binutils-2.25/config/mt-nios2-elf
@@ -0,0 +1,5 @@
+# We build library code with -mno-gpopt so that it can be linked with
+# larger executables with small-data sections that exceed the 16-bit
+# offset range for GP-relative addressing.
+CFLAGS_FOR_TARGET += -mno-gpopt
+CXXFLAGS_FOR_TARGET += -mno-gpopt
diff --git a/binutils-2.25/config/picflag.m4 b/binutils-2.25/config/picflag.m4
index 2ee5cd07..3bcdbf1d 100644
--- a/binutils-2.25/config/picflag.m4
+++ b/binutils-2.25/config/picflag.m4
@@ -50,9 +50,6 @@ case "${$2}" in
     i[[34567]]86-*-* | x86_64-*-*)
 	$1=-fpic
 	;;
-    m68k-*-*)
-	$1=-fpic
-	;;
     # FIXME: Override -fPIC default in libgcc only? 
     sh-*-linux* | sh[[2346lbe]]*-*-linux*)
 	$1=-fpic
diff --git a/binutils-2.25/config/plugins.m4 b/binutils-2.25/config/plugins.m4
index 7ee8412a..513c690e 100644
--- a/binutils-2.25/config/plugins.m4
+++ b/binutils-2.25/config/plugins.m4
@@ -1,11 +1,21 @@
 AC_DEFUN([AC_PLUGINS],
 [
-AC_ARG_ENABLE([plugins],
-AS_HELP_STRING([--enable-plugins], [Enable support for plugins (defaults no)]),
-[case "${enableval}" in
-  yes | "") plugins=yes ;;
-  no) plugins=no ;;
-  *) plugins=yes ;;
- esac],
-[plugins=no])
+  maybe_plugins=no
+  AC_CHECK_HEADERS([dlfcn.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
+  AC_CHECK_HEADERS([windows.h], [maybe_plugins=yes], [], [AC_INCLUDES_DEFAULT])
+
+  AC_ARG_ENABLE([plugins],
+    AS_HELP_STRING([--enable-plugins], [Enable support for plugins]),
+    [case "${enableval}" in
+      no) plugins=no ;;
+      *) plugins=yes
+         if test "$maybe_plugins" != "yes" ; then
+	   AC_MSG_ERROR([Building with plugin support requires a host that supports dlopen.])
+	 fi ;;
+     esac],
+    [plugins=$maybe_plugins]
+  )
+  if test "$plugins" = "yes"; then
+    AC_SEARCH_LIBS([dlopen], [dl])
+  fi
 ])