This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. configure:710: checking for gcc configure:823: checking whether the C compiler (gcc ) works configure:839: gcc -o conftest conftest.c 1>&5 configure:865: checking whether the C compiler (gcc ) is a cross-compiler configure:870: checking whether we are using GNU C configure:898: checking whether gcc accepts -g configure:931: checking whether gcc and cc understand -c and -o together