[ 11%] Building C object ext/symengine/CMakeFiles/symengine_ruby.dir/ruby_basic.c.o
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_basic.c: In function ‘cbasic_get_args’:
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_basic.c:135:18: warning: initialization makes integer from pointer without a cast [enabled by default]
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_basic.c: In function ‘cbasic_free_symbols’:
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_basic.c:157:18: warning: initialization makes integer from pointer without a cast [enabled by default]
[ 22%] Building C object ext/symengine/CMakeFiles/symengine_ruby.dir/ruby_symbol.c.o
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_symbol.c: In function ‘csymbol_init’:
/home/travis/gems/symengine-0.1.0/ext/symengine/ruby_symbol.c:11:15: warning: assignment discards ‘const’ qualifier from pointer target type [enabled by default]
