[srslte-users] Building srsLTE on RasPi 4 Buster...

[Ralph A. Schmid, dk5ras]

I forgot, gcc is 4:8.3.0-1+rpi2

> -----Original Message-----
> From: Vasil Velichkov [mailto:vvvelichkov at gmail.com]
> Sent: 15 October, 2019 18:41
> To: Ralph A. Schmid, dk5ras
> Cc: srslte-users at lists.softwareradiosystems.com
> Subject: Re: [srslte-users] Building srsLTE on RasPi 4 Buster...
> 
> Hi Ralph,
> 
> On 15/10/2019 13.29, Ralph A. Schmid, dk5ras wrote:
> > Hi,
> >
> > building srsLTE on RasPi 4 Buster leads to this message:
> >
> > [ 10%] Built target srslte_fec
> > Scanning dependencies of target srslte_mimo
> > [ 10%] Building C object
> > lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/layermap.c.o
> > [ 10%] Building C object
> > lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/precoding.c.o
> > In file included from /home/pi/srsLTE/lib/src/phy/mimo/precoding.c:31:
> > /home/pi/srsLTE/lib/src/phy/mimo/precoding.c: In function
> > ‘srslte_predecoding_type’:
> > /home/pi/srsLTE/lib/include/srslte/phy/utils/mat.h:149:20: error: inlining
> > failed in call to ‘srslte_mat_2x2_mmse_csi_simd’: --param
> > large-function-growth limit reached [-Werror=inline]
> >  static inline void srslte_mat_2x2_mmse_csi_simd(simd_cf_t y0,
> >                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > /home/pi/srsLTE/lib/src/phy/mimo/precoding.c:1387:5: note: called from
> here
> >      srslte_mat_2x2_mmse_csi_simd(y0, y1, h00, h01, h10, h11, &x0, &x1,
> > &csi0, &csi1, noise_estimate, norm);
> >
> >
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ~~~~~~~~~~~~
> > ~~~~~~~~~~~~~~~~~~~~~~~~~~
> > cc1: all warnings being treated as errors
> > make[2]: ***
> [lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/build.make:76:
> > lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/precoding.c.o] Error 1
> > make[1]: *** [CMakeFiles/Makefile2:2061:
> > lib/src/phy/mimo/CMakeFiles/srslte_mimo.dir/all] Error 2
> > make: *** [Makefile:163: all] Error 2
> >
> >
> > Any ideas what do to with this?
> 
> What compiler and what version do you use?
> 
> You could try increasing the large-function-growth limit by adding "--param
> large-function-growth=800" to CFLAGS and CXXFLAGS, it should be something
> like
> 
>    rm CMakeCache.txt
>    CFLAGS="--param large-function-growth=800" CXXFLAGS="--param large-
> function-growth=800" cmake ..
> 
> I'm not sure what the default limit is so try different values.
> 
> Since commit dbd219e11 all warnings are treated as errors (-Werror was
> added) and most probably this is a warning converted to error so
> alternatively you could try commenting out lines 393 and 394 in
> CMakeLists.txt.
> 
> Hope this helps.
> 
> Regards,
> Vasil