Look at bottom answer http://stackoverflow.com/questions/10293202/c-error-expected-asm-or-attribut... On Sat, Aug 06, 2016 at 10:02 AM, Stewart C. Russell via talk < talk@gtalug.org [talk@gtalug.org] > wrote: I'm hitting unexpected problems building some old-ish code (UCB Logo 6, after hearing Seymour Papert went PENUP last week). gcc seems to be choking on its own header file, mathcalls.h: gcc -g -O -O0 -DUSE_OLD_TTY -c -o coms.o coms.c In file included from coms.c:30:0: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:100:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘extern’ __MATHCALL_VEC (exp,, (_Mdouble_ __x)); ^ /usr/include/x86_64-linux-gnu/bits/mathcalls.h:100:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘extern’ __MATHCALL_VEC (exp,, (_Mdouble_ __x)); ^ /usr/include/x86_64-linux-gnu/bits/mathcalls.h:100:1: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘extern’ __MATHCALL_VEC (exp,, (_Mdouble_ __x)); ^ <builtin>: recipe for target 'coms.o' failed make: *** [coms.o] Error 1 (this on Ubuntu 16.04, gcc 5.4.0, x86_64) I can build other code that includes math.h, the source of the mathcalls.h inclusion. The package builds fine on a Raspberry Pi (Raspbian, gcc 4.9.2, armv7l). The package even built on x86_64 under Ubuntu 15.10. Is this just Canonical mucking about with the compiler settings again? cheers, Stewart --- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk