perf trace: Check if MAP_32BIT is defined

MAP_32BIT is defined only on x86... this means perf fails to build on
all other platforms.

Signed-off-by: Kyle McMartin <kyle@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/20130905142947.GA25882@merlin.infradead.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 6016112e801a..f5aa6375e3e9 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -100,7 +100,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
 
         P_MMAP_FLAG(SHARED);
         P_MMAP_FLAG(PRIVATE);
+#ifdef MAP_32BIT
         P_MMAP_FLAG(32BIT);
+#endif
         P_MMAP_FLAG(ANONYMOUS);
         P_MMAP_FLAG(DENYWRITE);
         P_MMAP_FLAG(EXECUTABLE);