[powerpc] Some build errors and test results: issues to be addressed – threading, endianness

Could someone help me a bit with an advice on the following? (I do not ask to fix it for me, but perhaps for someone who knows what the code does exactly, pointing out at the issue will be fairly easy.)

This is the error I get:
```
FAILED: CMakeFiles/small_locks_test.dir/folly/synchronization/test/SmallLocksTest.cpp.o
/opt/local/bin/g++-mp-13 -DFMT_SHARED -DFOLLY_XLOG_STRIP_PREFIXES=\"/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00:/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/build\" -DGFLAGS_IS_A_DLL=0 -D_GNU_SOURCE -D_REENTRANT -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00 -I/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/build -I/opt/local/libexec/boost/1.81/include -I/opt/local/libexec/openssl3/include -isystem /opt/local/include -isystem /opt/local/include/libfmt10 -pipe -I/opt/local/libexec/openssl3/include -I/opt/local/libexec/boost/1.81/include -Os -std=c++17 -DFOLLY_ALLOW_TFO=0 -fpermissive -DNDEBUG -isystem/opt/local/include/LegacySupport -I/opt/local/libexec/openssl3/include -I/opt/local/libexec/boost/1.81/include -isystem/opt/local/include -Wno-undef-prefix -D_GLIBCXX_USE_CXX11_ABI=0 -arch ppc -mmacosx-version-min=10.6 -fcoroutines -g -finput-charset=UTF-8 -fsigned-char -Wall -Wno-deprecated -Wno-deprecated-declarations -Wno-sign-compare -Wno-unused -Wuninitialized -Wunused-label -Wunused-result -Wshadow-compatible-local -Wno-noexcept-type -fopenmp -std=gnu++17 -MD -MT CMakeFiles/small_locks_test.dir/folly/synchronization/test/SmallLocksTest.cpp.o -MF CMakeFiles/small_locks_test.dir/folly/synchronization/test/SmallLocksTest.cpp.o.d -o CMakeFiles/small_locks_test.dir/folly/synchronization/test/SmallLocksTest.cpp.o -c /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/SmallLocks.h:39,
from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:17:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::init(IntType) [with IntType = long long int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:96:24: required from '{anonymous}::PslTest::PslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:114:14: required from 'void {anonymous}::doPslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:163:21: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:94:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
94 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
In file included from /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:49:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::setData(IntType) [with IntType = long long int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:103:19: required from 'void {anonymous}::PslTest::doTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:163:21: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:122:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
122 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'IntType folly::PicoSpinLock::getData() const [with IntType = long long int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:106:9: required from 'void {anonymous}::PslTest::doTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:163:21: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:109:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
109 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::init(IntType) [with IntType = long long unsigned int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:96:24: required from '{anonymous}::PslTest::PslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:114:14: required from 'void {anonymous}::doPslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:164:22: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:94:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
94 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::setData(IntType) [with IntType = long long unsigned int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:103:19: required from 'void {anonymous}::PslTest::doTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:164:22: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:122:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
122 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'IntType folly::PicoSpinLock::getData() const [with IntType = long long unsigned int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:106:9: required from 'void {anonymous}::PslTest::doTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:164:22: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:109:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
109 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::unlock() const [with IntType = long long int; int Bit = 63]':
/opt/local/include/gcc13/c++/bits/std_mutex.h:255:25: required from 'std::lock_guard<_Mutex>::~lock_guard() [with _Mutex = folly::PicoSpinLock]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:102:40: required from 'void {anonymous}::PslTest::doTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:163:21: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:156:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
156 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'void folly::PicoSpinLock::unlock() const [with IntType = long long unsigned int; int Bit = 63]':
/opt/local/include/gcc13/c++/bits/std_mutex.h:255:25: required from 'std::lock_guard<_Mutex>::~lock_guard() [with _Mutex = folly::PicoSpinLock]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:102:40: required from 'void {anonymous}::PslTest::doTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:164:22: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:156:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
156 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'bool folly::PicoSpinLock::try_lock_internal() const [with IntType = long long int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:144:13: required from 'void folly::PicoSpinLock::lock() const [with IntType = long long int; int Bit = 63]'
/opt/local/include/gcc13/c++/bits/std_mutex.h:249:23: required from 'std::lock_guard<_Mutex>::lock_guard(mutex_type&) [with _Mutex = folly::PicoSpinLock; mutex_type = folly::PicoSpinLock]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:102:40: required from 'void {anonymous}::PslTest::doTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:163:21: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:166:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
166 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h: In instantiation of 'bool folly::PicoSpinLock::try_lock_internal() const [with IntType = long long unsigned int; int Bit = 63]':
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:144:13: required from 'void folly::PicoSpinLock::lock() const [with IntType = long long unsigned int; int Bit = 63]'
/opt/local/include/gcc13/c++/bits/std_mutex.h:249:23: required from 'std::lock_guard<_Mutex>::lock_guard(mutex_type&) [with _Mutex = folly::PicoSpinLock; mutex_type = folly::PicoSpinLock]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:102:40: required from 'void {anonymous}::PslTest::doTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:119:35: required from 'void {anonymous}::doPslTest() [with T = long long unsigned int]'
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/test/SmallLocksTest.cpp:164:22: required from here
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/PicoSpinLock.h:166:31: error: no match for call to '(const folly::make_atomic_ref_t) (folly::PicoSpinLock::UIntType&)'
166 | auto ref = make_atomic_ref(lock_);
| ~~~~~~~~~~~~~~~^~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: candidate: 'template && (sizeof (T) == sizeof (std::atomic<_ITp>))) && (__alignof__ (T) == __alignof__ (std::atomic<_ITp>))), int>::type > folly::atomic_ref folly::make_atomic_ref_t::operator()(T&) const'
162 | atomic_ref operator()(T& ref) const {
| ^~~~~~~~
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:162:17: note: template argument deduction/substitution failed:
/opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_devel_folly/folly/work/folly-v2024.01.15.00/folly/synchronization/AtomicRef.h:161:18: error: no type named 'type' in 'struct std::enable_if'
161 | int> = 0>
| ^
```

It seems that `folly/synchronization/AtomicRef.h` uses a kind of SFINAE, which does not work as intended either due to implicit assumption of 64-bit arch (so pointers and offsets are wrong) or due to incorrect assumption of bool and spinlock being equal to 1 byte (both are 4 byte on `ppc`).
Any ideas and suggestions will be greatly appreciated.