>>>>> On Fri, 23 Aug 2019 12:50:33 +0100, Richard Copley <rcopley@gmail.com> said:

    Richard> In master, on MSYS2, the build is failing. See transcript below in a
    Richard> pristine working tree.

    Richard>   CCLD     temacs.exe
    Richard> C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/9.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
    Richard> process.o:process.c:(.text+0xe3b): undefined reference to `make_number'
    Richard> process.o:process.c:(.text+0xe3b): relocation truncated to fit:
    Richard> R_X86_64_PC32 against undefined symbol `make_number'
    Richard> collect2.exe: error: ld returned 1 exit status
    Richard> make[1]: *** [Makefile:651: temacs.exe] Error 1
    Richard> make[1]: Leaving directory '/c/projects/emacs/src'
    Richard> make: *** [Makefile:424: src] Error 2

Should be fixed in master.

Robert