Make sure symbol version script is writeable

[Jim Blandy]

Mark Mitchell <mark@codesourcery.com> writes:
> Jim Blandy wrote:
>> Andreas Schwab <schwab@suse.de> writes:
>>> Jim Blandy <jimb@codesourcery.com> writes:
>>>
>>>> If the source tree has been made read-only, the libstdc++-v3 build
>>>> dies trying to construct src/libstdc++-symbols.ver.
>>>>
>>>> libstdc++-v3/ChangeLog:
>>>> 2007-05-07  Jim Blandy  <jimb@codesourcery.com>
>>>>
>>>> 	* libstdc++-v3/src/Makefile.am (libstdc++-symbol.ver): Make
>>>> 	sure the build tree copy of libstdc++-symbol.ver is writeable.
>>>> 	* libstdc++-v3/src/Makefile.in: Regenerated.
>>>>
>>>> Index: libstdc++-v3/src/Makefile.am
>>>> ===================================================================
>>>> --- libstdc++-v3/src/Makefile.am	(revision 124502)
>>>> +++ libstdc++-v3/src/Makefile.am	(working copy)
>>>> @@ -32,6 +32,7 @@
>>>>  libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
>>>>  		$(port_specific_symbol_files)
>>>>  	cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
>>>> +	chmod +w ./libstdc++-symbol.ver
>>> You surely mean `symbols' here?
>> 
>> Yes, I certainly do.  Thanks for the close reading.  (This is what I
>> get for working with three branches at once, none of whose patches
>> apply cleanly to the others.)
>
> It doesn't look like this patch was ever applied.  With the change
> Andreas has suggested, this is OK after the lockdown.

I've committed this, revised as below:

libstdc++-v3/ChangeLog:
2007-08-07  Jim Blandy  <jimb@codesourcery.com>

	* src/Makefile.am (libstdc++-symbol.ver): Make
	sure the build tree copy of libstdc++-symbol.ver is writeable.
	* src/Makefile.in: Regenerated.

Index: libstdc++-v3/src/Makefile.am
===================================================================
--- libstdc++-v3/src/Makefile.am	(revision 127275)
+++ libstdc++-v3/src/Makefile.am	(working copy)
@@ -32,6 +32,7 @@
 libstdc++-symbols.ver:  ${glibcxx_srcdir}/$(SYMVER_FILE) \
 		$(port_specific_symbol_files)
 	cp ${glibcxx_srcdir}/$(SYMVER_FILE) ./libstdc++-symbols.ver
+	chmod +w ./libstdc++-symbols.ver
 	if test "x$(port_specific_symbol_files)" != x; then \
 	  if grep '^# Appended to version file.' \
 	       $(port_specific_symbol_files) /dev/null > /dev/null 2>&1; then \