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March 2023

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Re: [CLN-list] Error building cln on M1 Mac
by Bruno Haible 15 Aug '23

15 Aug '23

Ron Garret wrote: > I took the plunge and installed autoconf and all the other thing you need to build the git version, and that worked. > > So I guess the only issue is that the latest official release is a little behind. Good finding! Indeed, the fix was committed by Richard on 2021-11-04. Bruno

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Re: [CLN-list] Error building cln on M1 Mac
by Richard B. Kreckel 05 Mar '23

05 Mar '23

Hi Ron, (Sending this to mailing list, too.) On 3/5/23 01:44, Ron Garret wrote: > I tried to build cln on an M1 mac and got the following error: > > > depbase=`echo base/low/cl_low_div.lo | sed 's|[^/]*$|.deps/&|;s|\.lo$||'`;\ > /bin/sh ../libtool --tag=CXX --mode=compile g++ -std=gnu++11 > -DHAVE_CONFIG_H -I. -I../autoconf -I../include -I../src -I../include > -I../src -g -O2 -MT base/low/cl_low_div.lo -MD -MP -MF $depbase.Tpo -c > -o base/low/cl_low_div.lo base/low/cl_low_div.cc <http://cl_low_div.cc> &&\ > mv -f $depbase.Tpo $depbase.Plo > libtool: compile: g++ -std=gnu++11 -DHAVE_CONFIG_H -I. -I../autoconf > -I../include -I../src -I../include -I../src -g -O2 -MT > base/low/cl_low_div.lo -MD -MP -MF base/low/.deps/cl_low_div.Tpo -c > base/low/cl_low_div.cc <http://cl_low_div.cc> -fno-common -DPIC -o > base/low/.libs/cl_low_div.o > *base/low/cl_low_div.cc:13 <http://cl_low_div.cc:13>:8: **error: > **declaration of 'divu_16_rest' in global scope conflicts with > declaration with C language linkage* > uint16 divu_16_rest; > * ^* > *./base/cl_low.h:447:21: note: *declared with C language linkage here > extern "C" uint16 divu_16_rest; // -> Rest r > * ^* > *base/low/cl_low_div.cc:104 <http://cl_low_div.cc:104>:8: **error: > **declaration of 'divu_32_rest' in global scope conflicts with > declaration with C language linkage* > uint32 divu_32_rest; > * ^* > *./base/cl_low.h:597:21: note: *declared with C language linkage here > extern "C" uint32 divu_32_rest; // -> Rest r > * ^* > *base/low/cl_low_div.cc:210 <http://cl_low_div.cc:210>:8: **error: > **declaration of 'divu_64_rest' in global scope conflicts with > declaration with C language linkage* > uint64 divu_64_rest; > * ^* > *./base/cl_low.h:987:21: note: *declared with C language linkage here > extern "C" uint64 divu_64_rest; // -> Rest r > * ^* > 3 errors generated. > > > From a cursory inspection of the code I suspect this is a problem with > the preprocessor. Specifically, this code in cl_low.h > > #elifdefined(__arm__) && !defined(NO_ASM) > ... > #defineNEED_VAR_divu_16_rest > > looks highly suspect to me. I have not traced the problem back any > further than that. > > I tried configure CPPFLAGS=-DNO_ASM but that did not fix the problem, > which surprised me. It really looks like that should have worked. Did you use the CLN off from git? I'm asking because patch 6edafa136b which is not in the released 1.3.6. All my best, -richy. -- Richard B. Kreckel <https://in.terlu.de/~kreckel/>

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