[MacPorts] #64947: openssl3: can be build on macOS 10.7

[MacPorts]

#64947: openssl3: can be build on macOS 10.7
--------------------+----------------------
 Reporter:  catap   |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  openssl3
--------------------+----------------------
 A naive attempt to build it from scratch is failed as:

 {{{
 crypto/threads_pthread.c:192:45: error: too many arguments to function
 call, expected 1, have 2
     if (__atomic_is_lock_free(sizeof(*val), val)) {
         ~~~~~~~~~~~~~~~~~~~~~               ^~~
 crypto/threads_pthread.c:193:16: warning: implicit declaration of function
 '__atomic_add_fetch' is invalid in C99 [-Wimplicit-function-declaration]
         *ret = __atomic_add_fetch(val, amount, __ATOMIC_ACQ_REL);
                ^
 crypto/threads_pthread.c:219:45: error: too many arguments to function
 call, expected 1, have 2
     if (__atomic_is_lock_free(sizeof(*val), val)) {
         ~~~~~~~~~~~~~~~~~~~~~               ^~~
 crypto/threads_pthread.c:220:16: warning: implicit declaration of function
 '__atomic_or_fetch' is invalid in C99 [-Wimplicit-function-declaration]
         *ret = __atomic_or_fetch(val, op, __ATOMIC_ACQ_REL);
                ^
 crypto/threads_pthread.c:244:45: error: too many arguments to function
 call, expected 1, have 2
     if (__atomic_is_lock_free(sizeof(*val), val)) {
         ~~~~~~~~~~~~~~~~~~~~~               ^~~
 crypto/threads_pthread.c:245:33: error: too many arguments to function
 call, expected 2, have 3
         __atomic_load(val, ret, __ATOMIC_ACQUIRE);
         ~~~~~~~~~~~~~           ^
 <built-in>:13:26: note: expanded from macro '__ATOMIC_ACQUIRE'
 #define __ATOMIC_ACQUIRE 2
                          ^
 2 warnings and 4 errors generated.
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64947>
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