This was causing build failures on macOS 10.13
cxx17_aligned_new_SOURCES = cxx17_aligned_new.cpp
cxx17_aligned_new_CXXFLAGS = ${AM_CXXFLAGS} -std=c++17 @FLAG_W_NO_MISMATCHED_NEW_DELETE@
duplicate_align_size_errors_SOURCES = duplicate_align_size_errors.cpp
-duplicate_align_size_errors_CXXFLAFGS = ${AM_CXXFLAGS} -std=c++17
+duplicate_align_size_errors_CXXFLAGS = ${AM_CXXFLAGS} -std=c++17
new_aligned_delete_default_SOURCES = new_aligned_delete_default.cpp
new_aligned_delete_default_CXXFLAGS = ${AM_CXXFLAGS} -std=c++17
sized_aligned_new_delete_args_SOURCES = sized_aligned_new_delete_args.cpp