October 2019 - CLN-list

MinGW64 build
by Robert Szalai 05 Nov '19

05 Nov '19

Hi all, I've been trying to build CLN from windows 64, with some success. It compiles fine, but does not work. The problem is that WIN64 is LLP64, and not ILP64 as Linux. CLN uses long to store pointer data, but size_t or ssize_t should be used as it is guaranteed to be the size of the pointer everywhere. The attached patch was my attempt. Could somebody tell me where else should I look? Pointers are also encoding some metadata in the bits that are set to zero by alingnment, what is this data? There is also some hashing of pointers. Thanks, Robert

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CLN switched to C++11
by Richard B. Kreckel 28 Oct '19

28 Oct '19

Hi, I've just just bumped the minimum C++ language support for the compiler to C++11. I did this because C++11 is a better language and it's widely supported by now. Sticking to C++98 would require us to sometimes write convoluted patches. All in all it's a minor thing: configure makes sure that proper compiler options are chosen and the change doesn't even break the ABI. Still, I thought I should announce this here. All my best, -richy.

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Build CLN for 64 bi windows
by Richard Crozier 28 Oct '19

28 Oct '19

Dear list, Kaveh, I am trying to build CLN for windows 64 bit. I'm actually doing this by cross-compiling form linux using M Cross Environment (see www.mxe.cc for more information). When I try to build I get the folloinwg error: libtool: compile: x86_64-w64-mingw32.static-g++ -DHAVE_CONFIG_H -I. -I../autoconf -I../include -I../src -I../include -I../src -g -O2 -MT base/cl_as_exception.lo -MD -MP -MF base/.deps/cl_as_exception.Tpo -c base/cl_as_exception.cc -o base/cl_as_exception.o libtool: compile: x86_64-w64-mingw32.static-g++ -DHAVE_CONFIG_H -I. -I../autoconf -I../include -I../src -I../include -I../src -g -O2 -MT base/cl_condition.lo -MD -MP -MF base/.deps/cl_condition.Tpo -c base/cl_condition.cc -o base/cl_condition.o In file included from ./base/cl_sysdep.h:10:0, from base/cl_alloca.cc:4: ../include/cln/intparam.h:26:2: error: #error "Type char * does not fit into a long!!" #error "Type char * does not fit into a long!!" I noticed in a thread from eight years ago that this same problem existed back then: https://www.ginac.de/pipermail/cln-list/2011-February/000607.html Is it a huge amount of work to fix this? Did Kaveh ever share the work he did on it? Best regards, Richard

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