[MacPorts] #71035: onetbb needs a fallback for posix_memalign on 10.4–10.5

[MacPorts]

#71035: onetbb needs a fallback for posix_memalign on 10.4–10.5
----------------------------+--------------------
 Reporter:  barracuda156    |      Owner:  (none)
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:  2.10.2
 Keywords:  tiger, leopard  |       Port:  onetbb
----------------------------+--------------------
 Someone helped me to test the build on 10.5.8, and it fails:

 {{{
 :info:build [  4%] Building CXX object
 src/tbb/CMakeFiles/tbb.dir/allocator.cpp.o
 :info:build cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_onetbb/onetbb/work/build/src/tbb
 && /opt/local/bin/g++-mp-14 -D__TBB_BUILD -D__TBB_USE_ITT_NOTIFY
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_onetbb/onetbb/work/oneTBB-2021.13.0/src/tbb/../../include
 -pipe -Os -Wno-parentheses -Wno-unused-function -DNDEBUG
 -I/opt/local/include -D_GLIBCXX_USE_CXX11_ABI=0 -std=c++11 -arch ppc
 -mmacosx-version-min=10.5 -fPIC -flifetime-dse=1 -Wall -Wextra -Werror
 -Wfatal-errors -D_XOPEN_SOURCE -fstack-clash-protection -fno-strict-
 overflow -fno-delete-null-pointer-checks -fwrapv -Wformat -Wformat-
 security -Werror=format-security -fstack-protector-strong
 -D_FORTIFY_SOURCE=2 -MD -MT src/tbb/CMakeFiles/tbb.dir/allocator.cpp.o -MF
 CMakeFiles/tbb.dir/allocator.cpp.o.d -o CMakeFiles/tbb.dir/allocator.cpp.o
 -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_onetbb/onetbb/work/oneTBB-2021.13.0/src/tbb/allocator.cpp
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_onetbb/onetbb/work/oneTBB-2021.13.0/src/tbb/allocator.cpp:
 In function 'void*
 tbb::detail::r1::std_cache_aligned_allocate(std::size_t, std::size_t)':
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_onetbb/onetbb/work/oneTBB-2021.13.0/src/tbb/allocator.cpp:210:15:
 error: 'posix_memalign' was not declared in this scope
 :info:build   210 |     int res = posix_memalign(&p, alignment, bytes);
 :info:build       |               ^~~~~~~~~~~~~~
 :info:build compilation terminated due to -Wfatal-errors.
 :info:build make[2]: *** [src/tbb/CMakeFiles/tbb.dir/allocator.cpp.o]
 Error 1
 }}}

 This is a known issue: macOS < 10.6 has no `posix_memalign` and should
 fall back to `malloc` instead.

-- 
Ticket URL: <https://trac.macports.org/ticket/71035>
MacPorts <https://www.macports.org/>
Ports system for macOS