lttng-libust: fix build with modern uClibc versions
uClibc got sched_getcpu in 0.9.33, so the compat workaround should only be used for older uClibc versions. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch
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package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch
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@ -0,0 +1,32 @@
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[PATCH] fix build with modern uClibc
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uClibc has sched_getcpu since 0.9.33, so the compat workaround should only
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be used for older uClibc versions.
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Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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---
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liblttng-ust/compat.h | 5 +++++
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1 file changed, 5 insertions(+)
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Index: lttng-ust-1.9.2/liblttng-ust/compat.h
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===================================================================
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--- lttng-ust-1.9.2.orig/liblttng-ust/compat.h
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+++ lttng-ust-1.9.2/liblttng-ust/compat.h
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@@ -17,6 +17,10 @@
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#include <sys/syscall.h>
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#ifdef __UCLIBC__
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+/* old uClibc versions didn't have sched_getcpu */
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+#if __UCLIBC_MAJOR__ == 0 && \
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+ (__UCLIBC_MINOR__ < 9 || \
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+ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 32))
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#define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache)
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static inline
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int sched_getcpu(void)
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@@ -26,5 +30,6 @@
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s = __getcpu(&c, NULL, NULL);
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return (s == -1) ? s : c;
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}
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+#endif /* <= 0.9.32 */
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#endif /* __UCLIBC__ */
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#endif /* _UST_COMPAT_H */
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