* gnulib/Makefile.am, gnulib/m4/gnulib-cache.m4,

gnulib/aux/link-warning.h, gnulib/extra/link-warning.h: Adjust
	by rerunning gnulib-tool with --aux-dir=gnulib/extra.
	* gnulib/Makefile.in: Regenerate.

gdb/ChangeLog

@@ -1,3 +1,10 @@
+2008-04-15  Daniel Jacobowitz  <dan@codesourcery.com>
+
+	* gnulib/Makefile.am, gnulib/m4/gnulib-cache.m4,
+	gnulib/aux/link-warning.h, gnulib/extra/link-warning.h: Adjust
+	by rerunning gnulib-tool with --aux-dir=gnulib/extra.
+	* gnulib/Makefile.in: Regenerate.
+
 2008-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* Makefile.in (GNULIB_H): New.  Trigger all-lib.

gdb/gnulib/Makefile.am

@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/aux --no-libtool --macro-prefix=gl memmem
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/extra --no-libtool --macro-prefix=gl memmem
 
 AUTOMAKE_OPTIONS = 1.5 gnits
 
@@ -36,9 +36,9 @@ EXTRA_libgnu_a_SOURCES =
 
 ## begin gnulib module link-warning
 
-LINK_WARNING_H=$(top_srcdir)/gnulib/aux/link-warning.h
+LINK_WARNING_H=$(top_srcdir)/gnulib/extra/link-warning.h
 
-EXTRA_DIST += $(top_srcdir)/gnulib/aux/link-warning.h
+EXTRA_DIST += $(top_srcdir)/gnulib/extra/link-warning.h
 
 ## end   gnulib module link-warning
 

gdb/gnulib/Makefile.in

@@ -23,7 +23,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/aux --no-libtool --macro-prefix=gl memmem
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/extra --no-libtool --macro-prefix=gl memmem
 
 
 
@@ -390,8 +390,9 @@ AUTOMAKE_OPTIONS = 1.5 gnits
 noinst_HEADERS = 
 noinst_LIBRARIES = libgnu.a
 noinst_LTLIBRARIES = 
-EXTRA_DIST = $(top_srcdir)/gnulib/aux/link-warning.h memchr.c memcmp.c \
-	memmem.c str-two-way.h stdint.in.h string.in.h wchar.in.h
+EXTRA_DIST = $(top_srcdir)/gnulib/extra/link-warning.h memchr.c \
+	memcmp.c memmem.c str-two-way.h stdint.in.h string.in.h \
+	wchar.in.h
 BUILT_SOURCES = $(STDINT_H) string.h $(WCHAR_H)
 SUFFIXES = 
 MOSTLYCLEANFILES = core *.stackdump stdint.h stdint.h-t string.h \
@@ -405,7 +406,7 @@ libgnu_a_SOURCES = dummy.c
 libgnu_a_LIBADD = $(gl_LIBOBJS)
 libgnu_a_DEPENDENCIES = $(gl_LIBOBJS)
 EXTRA_libgnu_a_SOURCES = memchr.c memcmp.c memmem.c
-LINK_WARNING_H = $(top_srcdir)/gnulib/aux/link-warning.h
+LINK_WARNING_H = $(top_srcdir)/gnulib/extra/link-warning.h
 all: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
@@ -532,7 +533,7 @@ distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 
 distdir: $(DISTFILES)
-	$(mkdir_p) $(distdir)/$(top_srcdir)/gnulib/aux
+	$(mkdir_p) $(distdir)/$(top_srcdir)/gnulib/extra
 	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
 	list='$(DISTFILES)'; for file in $$list; do \

gdb/gnulib/extra/link-warning.h

@@ -0,0 +1,28 @@
+/* GL_LINK_WARNING("literal string") arranges to emit the literal string as
+   a linker warning on most glibc systems.
+   We use a linker warning rather than a preprocessor warning, because
+   #warning cannot be used inside macros.  */
+#ifndef GL_LINK_WARNING
+  /* This works on platforms with GNU ld and ELF object format.
+     Testing __GLIBC__ is sufficient for asserting that GNU ld is in use.
+     Testing __ELF__ guarantees the ELF object format.
+     Testing __GNUC__ is necessary for the compound expression syntax.  */
+# if defined __GLIBC__ && defined __ELF__ && defined __GNUC__
+#  define GL_LINK_WARNING(message) \
+     GL_LINK_WARNING1 (__FILE__, __LINE__, message)
+#  define GL_LINK_WARNING1(file, line, message) \
+     GL_LINK_WARNING2 (file, line, message)  /* macroexpand file and line */
+#  define GL_LINK_WARNING2(file, line, message) \
+     GL_LINK_WARNING3 (file ":" #line ": warning: " message)
+#  define GL_LINK_WARNING3(message) \
+     ({ static const char warning[sizeof (message)]		\
+          __attribute__ ((__unused__,				\
+                          __section__ (".gnu.warning"),		\
+                          __aligned__ (1)))			\
+          = message "\n";					\
+        (void)0;						\
+     })
+# else
+#  define GL_LINK_WARNING(message) ((void) 0)
+# endif
+#endif

gdb/gnulib/m4/gnulib-cache.m4

@@ -15,7 +15,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/aux --no-libtool --macro-prefix=gl memmem
+#   gnulib-tool --import --dir=. --lib=libgnu --source-base=gnulib --m4-base=gnulib/m4 --doc-base=doc --aux-dir=gnulib/extra --no-libtool --macro-prefix=gl memmem
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])