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authorIngo Molnar <mingo@kernel.org>2016-07-13 09:37:43 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-13 09:37:43 +0200
commit7b39cafb7aa68ef8e32a9f51fbe737d96084ca74 (patch)
tree14df7e2b8f86af4b0d49e07e722904c7af26d9a2 /tools/include
parent68cf16c6b8b4ed818bb6211e1975fd75b78c7e86 (diff)
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tools: Work around BITS_PER_LONG related build failure in objtool
The objtool build fails with the recent changes to the bits-per-long headers: tools/include/linux/bitops.h:12:0: error: "BITS_PER_LONG" redefined [-Werror] Which got introduced by: bb9707077b4e tools: Copy the bitsperlong.h files from the kernel Work it around for the time being. Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/bitops.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 5ad9ee1..49c929a 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -9,7 +9,9 @@
#define __WORDSIZE (__SIZEOF_LONG__ * 8)
#endif
-#define BITS_PER_LONG __WORDSIZE
+#ifndef BITS_PER_LONG
+# define BITS_PER_LONG __WORDSIZE
+#endif
#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
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