This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. configure:527: checking how to run the C preprocessor configure:548: cc -E conftest.c >/dev/null 2>conftest.out configure:609: checking for working alloca.h configure:621: cc -o conftest conftest.c 1>&5 configure:642: checking for alloca configure:675: cc -o conftest conftest.c 1>&5