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@@ -0,0 +1,25 @@
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+Remove configure checks for few sys/ headers
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+
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+sys/ipc.h, sys/sem.h, sys/shm.h, and sys/msg.h are actually wrappers
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+for kernel headers in libc if available, here strace is trying to match
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+traced process's APIs to syscalls kernel structures
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+
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+Removing the checks makes it default to right kernel UAPI headers under linux/
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+
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+Upstream-Status: Submitted [https://lists.strace.io/pipermail/strace-devel/2019-November/009222.html]
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+Suggested-by: Rich Felker <dalias@aerifal.cx>
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+Signed-off-by: Khem Raj <raj.khem@gmail.com>
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+--- a/configure.ac
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++++ b/configure.ac
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+@@ -439,11 +439,7 @@ AC_CHECK_HEADERS(m4_normalize([
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+ sys/conf.h
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+ sys/eventfd.h
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+ sys/fanotify.h
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+- sys/ipc.h
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+- sys/msg.h
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+ sys/quota.h
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+- sys/sem.h
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+- sys/shm.h
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+ sys/signalfd.h
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+ sys/xattr.h
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+ ustat.h
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