diff options
Diffstat (limited to 'libsanitizer/configure.ac')
| -rw-r--r-- | libsanitizer/configure.ac | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libsanitizer/configure.ac b/libsanitizer/configure.ac index c4641d47286..e6721312d0c 100644 --- a/libsanitizer/configure.ac +++ b/libsanitizer/configure.ac @@ -132,6 +132,24 @@ AM_CONDITIONAL(USING_MAC_INTERPOSE, $MAC_INTERPOSE) backtrace_supported=yes +AC_MSG_CHECKING([for necessary platform features]) +case "$target" in + *-*-linux*) + # Some old Linux distributions miss required syscalls. + sanitizer_supported=no + AC_TRY_COMPILE([#include <sys/syscall.h>],[ + syscall (__NR_gettid); + syscall (__NR_futex); + syscall (__NR_exit_group); + ], [sanitizer_supported=yes]) + ;; + *) + sanitizer_supported=yes + ;; +esac +AC_MSG_RESULT($sanitizer_supported) +AM_CONDITIONAL(SANITIZER_SUPPORTED, test "$sanitizer_supported" = yes) + # Test for __sync support. AC_CACHE_CHECK([__sync extensions], [libsanitizer_cv_sys_sync], |
