[gnutls-devel] GnuTLS | Minor fixes in 3.6.9 release (!1053)

[Development of GNU's TLS library]

Tim Rühsen commented:


Try something like this ?
```
# check for gcc's atomic read-add-write functionality
AC_MSG_CHECKING([for __sync_fetch_and_add (int)])
AC_LINK_IFELSE(
   [AC_LANG_SOURCE([
    int main(void) { return __sync_fetch_and_add((int *)0, 0); }
   ])],
   [AC_DEFINE([WITH_SYNC_FETCH_AND_ADD], [1], [use __sync_fetch_and_add]) AC_MSG_RESULT([yes])],
   [AC_MSG_RESULT([no])]
)
```

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