--- a/tools/profiler/core/platform.h 2017-05-27 11:44:06.733119794 +0000 +++ b/tools/profiler/core/platform.h 2017-05-27 11:46:16.004253520 +0000 @@ -54,10 +54,11 @@ #include <vector> #include "StackTop.h" -// We need a definition of gettid(), but old glibc versions don't provide a -// wrapper for it. -#if defined(__GLIBC__) +// We need a definition of gettid(), but Linux libc implementations don't +// provide a wrapper for it (except for Bionic) +#if defined(__linux__) # include <unistd.h> +#if !defined(__BIONIC__) # include <sys/syscall.h> # define gettid() static_cast<pid_t>(syscall(SYS_gettid)) +#endif @@ -71,6 +72,7 @@ return (pid_t) syscall(SYS_thread_selfid); } #endif +#endif #ifdef XP_WIN #include <windows.h>