Performing configuration checks - /config//have_some_header builds : no ...found 12 targets... ...updating 2 targets... gcc.compile.c++ bin/gcc-4.5/debug/x.o "/usr/local/bin/g++" -ftemplate-depth-128 -Wno-long-long -Wnon-virtual-dtor -Woverloaded-virtual -Wuninitialized -Winit-self -Wmissing-include-dirs -Wsequence-point -Wunused-parameter -Wunused-variable -fstrict-aliasing -Wstrict-aliasing -O0 -fno-inline -Wall -g -fPIC -DHEADER_DOESNT_EXIST -c -o "bin/gcc-4.5/debug/x.o" "x.cpp" gcc.compile.c++ config/bin/gcc-4.5/debug/y.o "/usr/local/bin/g++" -ftemplate-depth-128 -Wno-long-long -Wnon-virtual-dtor -Woverloaded-virtual -Wuninitialized -Winit-self -Wmissing-include-dirs -Wsequence-point -Wunused-parameter -Wunused-variable -fstrict-aliasing -Wstrict-aliasing -O0 -fno-inline -Wall -g -fPIC -DHEADER_DOESNT_EXIST -c -o "config/bin/gcc-4.5/debug/y.o" "config/y.cpp" ...updated 2 targets...