Enable build with musl libc

* include/private/gcconfig.h (NO_GETCONTEXT): Define if __gnu_linux__
undefined (in case of LINUX is defined).

diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h
index ca42efa..1aa4923 100644 (file)
--- a/include/private/gcconfig.h
+++ b/include/private/gcconfig.h
@@ -2801,7 +2801,7 @@
                              || defined(OPENBSD) || defined(ARM32) \
                              || defined(MIPS) || defined(AVR32) \
                              || defined(OR1K))) \
-     || (defined(LINUX) && (defined(SPARC) || defined(M68K))) \
+     || (defined(LINUX) && !defined(__gnu_linux__)) \
      || (defined(RTEMS) && defined(I386)) || defined(PLATFORM_ANDROID)) \
     && !defined(NO_GETCONTEXT)
 # define NO_GETCONTEXT