Hello,
If I include the C++ header nlopt.hpp (version 2.2.1) in more than one
source file, I keep getting "multiple definition" linker (gcc) errors of
the form:
In function `nlopt::version(int&, int&, int&)':
nlopt.hpp:567: multiple definition of `nlopt::version(int&, int&, int&)'
nlopt.hpp:567: first defined here.
This is obviously due to the fact that some functions (namely srand,
version, version_major, version_minor, version_bugfix, algorithm_name)
are defined directly in the header. While the inclusion guards prevent
the compiler from including the header multiple times in one compilation
unit, the linker cannot handle the resulting multiple definitions.
Perhaps it would be better to either declare these functions inline or
to define them in a separate source file?
Best regards,
Peter
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