add configure option for szmul

simplify cx_array_copy() - fixes #474

major refactoring of attributes

let cxMapDestroy() ignore NULL as any free()-like function should do

instruct Doxygen to expand all macros

add -c flag to ARFLAGS to suppress diagnostic message on stderr

add script to invoke make check with different configurations

(0) -300 -100 -30 -10 -7 +7 +10 +30 tip

mercurial