Hi,
The devel version of our package 'msa' currently does not compile on
veracruz2 (R 3.4.0 alpha under OS X 10.11.6 El Capitan), but it seems to
work on toluca2 (R-devel on OS X 10.9.5 Mavericks). I also checked on my
Mac at home (R 3.3.3 under macOS 10.12.3 Sierra using the very latest
version of Xcode), and it also compiles without any problems.
The error stems from a conflicting definition of the math functions
'log2' and 'log10' in the source code of the ClustalOmega library which
is integrated into 'msa' (the same error appears for the inline
definition of 'log10'):
hhalign/util-C.h:53:14: error: 'log2' is missing exception
specification 'throw()'
inline float log2(float x) {return (x<=0?
(float)(-100000):1.442695041*log(x));}
Any ideas? 'log2' and 'log10' are defined in the standard math library.
The definitions work well on Linux along with '#include <cmath>' , while
Windows requires '#include <math.h>'. So far, '#include <cmath>' also
worked on Mac OS, but it seems that now, on veracruz2, neither one nor
the other works. Any thoughts? Is this something I should care about or
is there something exotic about veracruz2 such that I can simply ignore
this issue?
Thanks a lot in advance and best regards,
Ulrich
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