file python/lsst/SConsUtils.py,line 378: Configure(confdir = .sconf_temp) scons: Configure: Checking if CC is really gcc... gcc --help | grep gcc Usage: gcc [options] file... -print-libgcc-file-name Display the name of the compiler's companion library -print-multi-directory Display the root directory for versions of libgcc -b Run gcc for target , if installed -V Run gcc version number , if installed passed on to the various sub-processes invoked by gcc. In order to pass scons: Configure: yes file python/lsst/SConsUtils.py,line 405: Configure(confdir = .sconf_temp) scons: Configure: Checking for C++ header file tr1/unordered_map... .sconf_temp/conftest_1.cpp <- | |#include | | g++ -o .sconf_temp/conftest_1.o -c -g -Wall -O3 .sconf_temp/conftest_1.cpp scons: Configure: yes file python/lsst/SConsUtils.py,line 697: Configure(confdir = .sconf_temp) scons: Configure: Checking for C++ header file boost/current_function.hpp... .sconf_temp/conftest_2.cpp <- | |#include | | g++ -o .sconf_temp/conftest_2.o -c -g -Wall -O3 -DLSST_HAVE_TR1=1 -DLSST_LITTLE_ENDIAN=1 -I/lsst/stacks/2009_11_25/Linux64/external/boost/1.37.0/include .sconf_temp/conftest_2.cpp scons: Configure: yes file python/lsst/SConsUtils.py,line 697: Configure(confdir = .sconf_temp) scons: Configure: Checking for C++ header file Python.h... .sconf_temp/conftest_3.cpp <- | |#include | | g++ -o .sconf_temp/conftest_3.o -c -g -Wall -O3 -DLSST_HAVE_TR1=1 -DLSST_LITTLE_ENDIAN=1 -I/lsst/stacks/2009_11_25/Linux64/external/boost/1.37.0/include -I/lsst/stacks/2009_11_25/Linux64/external/python/2.5.2/include/python2.5 -I/lsst/stacks/2009_11_25/Linux64/external/python/2.5.2/include .sconf_temp/conftest_3.cpp scons: Configure: yes