src/mongo/util/processinfo_linux.cpp:300:22: error: variable ‘std::ifstream ifs’ has initializer but incomplete type missing #include <fstream> Reproducible: Always
Please always include the full build.log and emerge --info. Anyway, this is going to end up as a dupe of bug 843290. You need bug 852815 done.
*** This bug has been marked as a duplicate of bug 843290 ***