gcc - Building FFTW with debug symbols - problems on port to 64-bit target -



gcc - Building FFTW with debug symbols - problems on port to 64-bit target -

i need find why fftw segfaulting, in application built ok on 32-bit target gcc4.0 , fails on 64-bit target gcc4.6.

the fftw configure options:

--enable-debug --enable-debug-malloc --enable-debug-alignment

only appear add together internal debug, hoping somewhere turning on gdb debug symbols can seek trace cause of segfault. there alternative gdb debug i've missed somehow?

alternatively, there other way should trying track downwards segfault in fftw?

as noted in comments above, reply edit makefile produced fftw3's configure add together -ggdb cflags.

gcc gdb 32bit-64bit fftw

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