> * Search for clang as well as the default gcc/cc, and prefer clang(++) > over gcc/g++.
Is clang considered superior, then? Fair enough, I haven't really kept up. > * Add -pipe to C(XX)FLAGS if the compiler supports it. This speeds up > compilation a bit in my tests. Hmm. It seems very strange to me that the compiler driver cannot already auto-select the most efficient means: pipes, shared memory, temp files, or (in gcc's case) just integrating the preprocessor into the compiler binary directly. And indeed, I thought gcc -pipe had been basically obsolete for many years (still supported, but no faster than the default mode). Is it really faster for you? With what compiler and platform? Perhaps I should test it here. > + dnl Try to turn on C++11 mode so that we can use > + dnl std::shared_ptr<> and similar goodies > + dnl g++ and clang++ > + SVN_CXXFLAGS_ADD_IFELSE([-std=c++11],[],[ > + SVN_CXXFLAGS_ADD_IFELSE([-std=c++0x]) > + ]) This bit confuses me as well. Does our C++ code now require this mode? If not, what's the use of the flag? Peter
