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-rw-r--r--gcc/Makefile.in5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 4fcc7dc5a37..c47e8109a94 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1246,6 +1246,11 @@ stmp-multilib-sub:
then (cd tmpcopy; $(AR_FOR_TARGET) x ../$(LIBGCC1)); \
else true; \
fi
+# Some versions of ar (specifically the one in RISC/os 5.x), create an
+# unwritable table of contents file, and then print an error message when
+# the second ar command tries to overwrite this file. To avoid the error
+# message from ar, we make sure all files are writable.
+ -(cd tmpcopy; chmod +w * > /dev/null 2>&1)
(cd tmpcopy; $(AR_FOR_TARGET) x ../$(LIBGCC2))
(cd tmpcopy; $(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET) ../tmplibgcc.a *$(objext))
rm -rf libgcc2.a tmpcopy