October 2016 - GiNaC-list

Various syntax errors while compiling appln. with Ginac1.7.1
by harish sukhwani 21 Oct '16

21 Oct '16

Hi Everyone, I am new to GiNaC. In our research group. we have a tool written predominantly in C (and some c++ with GiNaC). I have inherited this recently, and I am trying to cross-compile using mingw32 on Ubuntu 14.04 with Win32 target. Note that the compiling application for local target with Ginac1.5 installed works fine. I compile the only single file using GiNaC using i686-w64-mingw32-g++ -c -o symbolic-diff.o symbolic-diff.cpp I see the following error (and a LOT more errors: In file included from /usr/i686-w64-mingw32/include/ginac/basic.h:27:0, from /usr/i686-w64-mingw32/include/ginac/ginac.h:28, from symbolic-diff.cpp:17: (line corresponding to #include <ginac/ginac.h>) /usr/i686-w64-mingw32/include/ginac/ptr.h:37:13: error: expected ';' at end of member declaration refcounted() noexcept : refcount(0) {} ^ /usr/i686-w64-mingw32/include/ginac/ptr.h:37:15: error: 'noexcept' does not name a type refcounted() noexcept : refcount(0) {} I am not sure where to start. ..... FYI, here are my installation steps for CLN1.3.3 and GiNaC 1.7.1 HOST=i686-w64-mingw32 CXX=${HOST}-g++ CC=${HOST}-gcc CPPFLAGS=-I/usr/i686-w64-mingw32/include CXXFLAGS="$CPPFLAGS -O3" CFLAGS=$CXXFLAGS LDFLAGS=-L/usr/i686-w64-mingw32/lib PREFIX=/usr/i686-w64-mingw32 export CC CXX CPPFLAGS CXXFLAGS CFLAGS LDFLAGS HOST ** For CLN ** ./configure --host=$HOST --enable-shared --prefix=$PREFIX && make && make install CLN_CFLAGS=$CPPFLAGS CLN_LIBS="$LDFLAGS -lcln" export CLN_CFLAGS CLN_LIBS ** For GiNaC** ./configure --host=$HOST --enable-shared --prefix=$PREFIX && make && make install Thanks Harish

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Patch: Replace mktemp with mkstemp
by Till Hofmann 08 Oct '16

08 Oct '16

Hi all, while building 1.7.1 I noticed that mktemp is still used. I've attached a patch that replaces mktemp with mkstemp. Note that the behavior is slightly different: The file is opened twice because mkstemp directly opens the file, too. I'm not aware of any other solution to safely create an ofstream for a tmp file. If there is, please let me know. Kind regards, Till

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removed function in 1.7.1 without soname bump
by Till Hofmann 06 Oct '16

06 Oct '16

Hi all, I'm a Fedora co-maintainer for ginac. We're currently working on updating ginac to the new release 1.7.1. During this process, we realized that there is a function that was removed in 1.7.1, but the soname was not changed. Was this intentional? Usually, removing functions requires an soname bump so other software doesn't accidentally link against the wrong version. The removed function is 'method virtual GiNaC::ex GiNaC::pointer_to_map_function_1arg<const GiNaC::ex&>::operator()(const GiNaC::ex&)' I've attached the output of abidiff to this email. For reference, here is the exact command to get the abidiff: $ abidiff --d1 ginac-old/usr/lib/debug/ --d2 ginac-new/usr/lib/debug ginac-old/usr/lib64/libginac.so.6.0.0 ginac-new/usr/lib64/libginac.so.6.0.1 Kind regards, Till

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