diff options
Diffstat (limited to 'package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch')
| -rw-r--r-- | package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch b/package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch new file mode 100644 index 000000000..65361858f --- /dev/null +++ b/package/lttng-libust/lttng-libust-uclibc-sched_getcpu.patch @@ -0,0 +1,32 @@ +[PATCH] fix build with modern uClibc + +uClibc has sched_getcpu since 0.9.33, so the compat workaround should only +be used for older uClibc versions. + +Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> +--- + liblttng-ust/compat.h | 5 +++++ + 1 file changed, 5 insertions(+) + +Index: lttng-ust-1.9.2/liblttng-ust/compat.h +=================================================================== +--- lttng-ust-1.9.2.orig/liblttng-ust/compat.h ++++ lttng-ust-1.9.2/liblttng-ust/compat.h +@@ -17,6 +17,10 @@ + #include <sys/syscall.h> + + #ifdef __UCLIBC__ ++/* old uClibc versions didn't have sched_getcpu */ ++#if __UCLIBC_MAJOR__ == 0 && \ ++ (__UCLIBC_MINOR__ < 9 || \ ++ (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 32)) + #define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache) + static inline + int sched_getcpu(void) +@@ -26,5 +30,6 @@ + s = __getcpu(&c, NULL, NULL); + return (s == -1) ? s : c; + } ++#endif /* <= 0.9.32 */ + #endif /* __UCLIBC__ */ + #endif /* _UST_COMPAT_H */ |