diff --git a/tools/build/feature/test-glibc.c b/tools/build/feature/test-glibc.c
index b0820345cd9843776bad77dd92e926e226da1551..9367f7586676b850d43410bfc0cb75a4c88816c6 100644
--- a/tools/build/feature/test-glibc.c
+++ b/tools/build/feature/test-glibc.c
@@ -1,8 +1,19 @@
+#include <stdlib.h>
+
+#if !defined(__UCLIBC__)
 #include <gnu/libc-version.h>
+#else
+#define XSTR(s) STR(s)
+#define STR(s) #s
+#endif
 
 int main(void)
 {
+#if !defined(__UCLIBC__)
 	const char *version = gnu_get_libc_version();
+#else
+	const char *version = XSTR(__GLIBC__) "." XSTR(__GLIBC_MINOR__);
+#endif
 
 	return (long)version;
 }
diff --git a/tools/perf/util/cloexec.h b/tools/perf/util/cloexec.h
index 68888c29b04a3fe2e8a44bd5debd233f191576ab..3bee6773ddb06a0caf9dac943d0fe39782146e6a 100644
--- a/tools/perf/util/cloexec.h
+++ b/tools/perf/util/cloexec.h
@@ -4,7 +4,7 @@
 unsigned long perf_event_open_cloexec_flag(void);
 
 #ifdef __GLIBC_PREREQ
-#if !__GLIBC_PREREQ(2, 6)
+#if !__GLIBC_PREREQ(2, 6) && !defined(__UCLIBC__)
 extern int sched_getcpu(void) __THROW;
 #endif
 #endif