Hi all,
I am trying to compile an example from the https://www.gnu.org/software/gsl/doc/html/filter.html and gcc is producing the following errors : /GaussianSmoothedSignalx002c.o: In function `main': GaussianSmoothedSignalx002c.c:(.text+0xa6): undefined reference to `gsl_filter_gaussian_alloc' GaussianSmoothedSignalx002c.c:(.text+0x147): undefined reference to `gsl_filter_gaussian_kernel' GaussianSmoothedSignalx002c.c:(.text+0x170): undefined reference to `gsl_filter_gaussian_kernel' GaussianSmoothedSignalx002c.c:(.text+0x199): undefined reference to `gsl_filter_gaussian_kernel' GaussianSmoothedSignalx002c.c:(.text+0x1cd): undefined reference to `gsl_filter_gaussian' GaussianSmoothedSignalx002c.c:(.text+0x201): undefined reference to `gsl_filter_gaussian' GaussianSmoothedSignalx002c.c:(.text+0x235): undefined reference to `gsl_filter_gaussian' GaussianSmoothedSignalx002c.c:(.text+0x43e): undefined reference to `gsl_filter_gaussian_free' collect2: error: ld returned 1 exit status I downloaded gsl-2.5.tar.gz and made next steps: ./configure make make install but it didn't update old version where no gsl_filter. I appreciate any help. Thank you! Serge.