> 1) Kill the -O3, and see if the file compiles. If so, start bumping it > back up until you see the hang.
With -O2, it compiles fine. With -O3, it seems to hang. > 2) Kill the -w at the end, so you can at least see some commentary > from the compiler. (-w suppresses all warnings.) * With -O3, without -w: building 'sage.libs.fplll.fplll' extension gcc -DNDEBUG -g -O3 -Wall -Wstrict-prototypes -Wall -g -Wall -g -fPIC -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local/include/fplll -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local//include -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local//include/csage -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/devel//sage/sage/ext -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local/include/python2.6 -c sage/libs/fplll/fplll.cpp -o build/temp.linux-x86_64-2.6/sage/libs/fplll/fplll.o cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++ sage/libs/fplll/fplll.cpp: In function ‘void initfplll()’: sage/libs/fplll/fplll.cpp:5373: warning: dereferencing type-punned pointer will break strict-aliasing rules sage/libs/fplll/fplll.cpp:5374: warning: dereferencing type-punned pointer will break strict-aliasing rules sage/libs/fplll/fplll.cpp:5375: warning: dereferencing type-punned pointer will break strict-aliasing rules sage/libs/fplll/fplll.cpp:5373: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5373: note: initialized from here sage/libs/fplll/fplll.cpp:5374: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5374: note: initialized from here sage/libs/fplll/fplll.cpp:5375: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5375: note: initialized from here ...............(hang?) * With -O2, without -w: building 'sage.libs.fplll.fplll' extension gcc -DNDEBUG -g -O2 -Wall -Wstrict-prototypes -Wall -g -Wall -g -fPIC -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local/in clude/fplll -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local//include -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local//in clude/csage -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/devel//sage/sage/ext -I/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/loc al/include/python2.6 -c sage/libs/fplll/fplll.cpp -o build/temp.linux-x86_64-2.6/sage/libs/fplll/fplll.o cc1plus: warning: command line option "-Wstrict-prototypes" is valid for Ada/C/ObjC but not for C++ sage/libs/fplll/fplll.cpp: In function ‘void initfplll()’: sage/libs/fplll/fplll.cpp:5373: warning: dereferencing type-punned pointer will break strict-aliasing rulessage/libs/fplll/fplll.cpp:5374: warning: dereferencing type-punned pointer will break strict-aliasing rules sage/libs/fplll/fplll.cpp:5375: warning: dereferencing type-punned pointer will break strict-aliasing rules sage/libs/fplll/fplll.cpp:5373: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5373: note: initialized from heresage/libs/fplll/fplll.cpp:5374: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5374: note: initialized from here sage/libs/fplll/fplll.cpp:5375: warning: dereferencing pointer ‘<anonymous>’ does break strict-aliasing rules sage/libs/fplll/fplll.cpp:5375: note: initialized from heresage/libs/fplll/fplll.cpp: At global scope: sage/libs/fplll/fplll.cpp:1986: warning: ‘__pyx_doc_4sage_4libs_5fplll_5fplll_6FP_LLL___cinit__’ defined but not usedsage/libs/fplll/fplll.cpp:2119: warning: ‘__pyx_doc_4sage_4libs_5fplll_5fplll_6FP_LLL___dealloc__’ defined but not used g++ -Wall -g -pthread -shared -Wall -g -Wall -g build/temp.linux-x86_64-2.6/sage/libs/fplll/fplll.o -L/mnt/usb1/scratch/rlm/sage-4.3.1.alpha3/local//lib -lcsage -lgmp -lmpfr -lstdc++ -lfplll -lstdc++ -lntl -o build/lib.linux-x86_64-2.6/sage/libs/fplll/fplll.so -- Robert L. Miller http://www.rlmiller.org/
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