Hello,
has anyone followed what the deal is with isnan in core-updates? A number
of C++ packages does not build any more. For instance, dealii:
solver_control.cc:96:24: error: ‘isnan’ was not declared in this scope
isnan(check_value) ||
^
[ 30%] Building CXX object
source/lac/CMakeFiles/obj_lac.debug.dir/solver_control.cc.o
cd /tmp/guix-build-dealii-8.2.1.drv-0/build/source/lac &&
/gnu/store/frrj3bfbmg5vrd0flh9cf8j64h7cr2v4-gcc-4.9.3/bin/c++ -DDEBUG
-I/tmp/guix-build-dealii-8.2.1.drv-0/build/source/lac
-I/tmp/guix-build-dealii-8.2.1.drv-0/build/include
-I/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/include
-I/gnu/store/pzk986yikywnql4x393pbhzbiz7vl72n-bzip2-1.0.6/include
-I/gnu/store/f51hs67f3g1r15fy9xq4bi7m3z991p0j-tbb-4.3.2/include
-I/gnu/store/5992iq1v7arqa14ym3di58n4la0893nv-zlib-1.2.8/include
-I/gnu/store/5qp29kq39b23w0sb1306fhsrq0zfm6sl-suitesparse-4.4.3/include
-I/gnu/store/693zbcqs6jv8zg7k1x8x8k3sm7fimqs0-boost-1.60.0/include
-I/gnu/store/8vqdr67rfbxk12bl3gajshkiffn8l9ld-muparser-2.2.5-2/include
-pedantic -fpic -Wall -Wpointer-arith -Wwrite-strings -Wsynth -Wsign-compare
-Wswitch -Wno-unused-local-typedefs -Wno-long-long -Wno-deprecated
-Wno-deprecated-declarations -fopenmp-simd -std=c++11 -Og -ggdb
-Wa,--compress-debug-sections -o
CMakeFiles/obj_lac.debug.dir/solver_control.cc.o -c
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/source/lac/solver_control.cc
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/source/lac/solver_control.cc:
In member function ‘virtual dealii::SolverControl::State
dealii::SolverControl::check(unsigned int, double)’:
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/source/lac/solver_control.cc:96:24:
error: ‘isnan’ was not declared in this scope
isnan(check_value) ||
^
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/source/lac/solver_control.cc:96:24:
note: suggested alternative:
In file included from
/gnu/store/frrj3bfbmg5vrd0flh9cf8j64h7cr2v4-gcc-4.9.3/include/c++/complex:44:0,
from
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/include/deal.II/base/numbers.h:22,
from
/tmp/guix-build-dealii-8.2.1.drv-0/build/include/deal.II/base/config.h:579,
from
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/include/deal.II/base/logstream.h:19,
from
/tmp/guix-build-dealii-8.2.1.drv-0/dealii-8.2.1/source/lac/solver_control.cc:16:
/gnu/store/frrj3bfbmg5vrd0flh9cf8j64h7cr2v4-gcc-4.9.3/include/c++/cmath:632:5:
note: ‘std::isnan’
isnan(_Tp __x)
Apparently the "std::" is missing in front of "isnan"; should this not be
implicit?
Andreas
