mxe-octave: build fails with ".../unistd-wrappers.h:56:8: error: 'pid_t' does not name a type"

[PhilipNienhuis]

Octave-dev tip (21942:aab79a1885cc) fails to build in mxe-octave (tip
4157:fcf0410f7055) while building (AFAICS)
libinterp/corefcn/oct-tex-lexer.cc with errors along the lines of:

:
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:56:8:
error: 'pid_t' does not name a type
 extern pid_t octave_fork_wrapper (void);
        ^
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:70:8:
error: 'pid_t' does not name a type
 extern pid_t octave_getpgrp_wrapper (void);
        ^
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:72:8:
error: 'pid_t' does not name a type
 extern pid_t octave_getpid_wrapper (void);
        ^
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:74:8:
error: 'pid_t' does not name a type
 extern pid_t octave_getppid_wrapper (void);
        ^
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:86:8:
error: 'pid_t' does not name a type
 extern pid_t octave_setsid_wrapper (void);
        ^
/home/philip/devel/octdev/mxe/mxe_64b_20160617/tmp-default-octave/octave-4.1.0+/liboctave/wrappers/unistd-wrappers.h:96:8:
error: 'pid_t' does not name a type
 extern pid_t octave_vfork_wrapper (void);
        ^

That octave-dev tip has been built fine & runs fine on Linux.

Anyone seen this too?

Philip



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