Re: build error in libgcc

[Chung-Ju Wu <jasonwucj at gmail dot com>]

2013/6/22 Ian Lance Taylor <iant@google.com>:
> On Thu, Jun 20, 2013 at 6:25 PM, Mike Stump <mikestump@comcast.net> wrote:
>> A make clean followed by a make in the libgcc directory results in:
>>
>> ../../../../gcc/libgcc/config/i386/cpuinfo.c:23:25: fatal error: auto-target.h: No such file or directory
>>  #include "auto-target.h"
>>
>> Oh, the the old days, we'd just add a dependancy… If someone knows where to add just the right one…  I ask, because there doesn't seem to be a single .h dependency anywhere…
>
> auto-target.h is created by the configure script.
>
> It's a bug that it is removed by "make clean".  It should only be
> removed by "make distclean".
>
> Ian

Well... in that case, how about this patch??

Index: libgcc/Makefile.in
===================================================================
--- libgcc/Makefile.in  (revision 200306)
+++ libgcc/Makefile.in  (working copy)
@@ -121,7 +121,7 @@
 .PHONY: all clean

 clean:
-       -rm -f auto-target.h libgcc_tm.h libgcc.map
+       -rm -f libgcc_tm.h libgcc.map
        -rm -f libgcc_tm.stamp stamp-h stmp-ldirs
        -rm -f *$(objext)
        -rm -f *.dep
@@ -131,6 +131,7 @@
        @$(MULTICLEAN) multi-clean DO=clean
 distclean: clean
        @$(MULTICLEAN) multi-clean DO=distclean
+       -rm -f auto-target.h
        -rm -f *~ Makefile config.cache config.status multilib.out
        -rm -f config.log
 maintainer-clean realclean: distclean


Hi, Mike, would you try it to see if it fixes the problem?
If it does, I will post the patch on gcc-patches@gcc.gnu.org
to acquire Ian's approval. :)


Best regards,
jasonwucj