doing $ grep -e -O Makefile CXXFLAGS = -g -Wall -O0 MPEG2DEC_CFLAGS = -Wall -g -Wall -O3 -fomit-frame-pointer -fno-common OPT_CFLAGS = -Wall -g -Wall -O3 -fomit-frame-pointer -fno-common
you can immediatly see where the problem is; so, to (re)compile in debug mode, I then used $ make CC="gcc-3.4" CXX="g++" CFLAGS="-g -O0" CXXFLAGS="-g -O0" \ MPEG2DEC_CFLAGS='-g -O0' OPT_CFLAGS='-g -O0' just in case. a.
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