Re: [Sdcc-user] Compiling SDCC with MSYS2/MINGW

[Maarten B. <sou...@ds...>]

> Hello everybody,
> Running into a strange issue trying to compile SDCC with the msys2
> environment.
> I've successfully downloaded gputils from source and compiled:
>
> $ gcc -v
>
>       <snip>
> gcc version 6.3.0 (Rev2, Built by MSYS2 project)
>                                                         $ gpasm -v
>
>                                                           gpasm-1.5.0
> #1285
> (Apr 28 2017)
>
> I configured SDCC using the following command line
>
> ./configure --disable-mcs51-port --disable-z80-port --disable-z180-port
> --disable-r2k-port --disable-r3ka-port --disable-gbz80-port
> --disable-tlcs90-port --disable-ds390-port --disable-ds400-port
> --disable-hc08-port --disable-s08-port --disable-ucsim
> (essentially, enable stm8 and PIC but nothing else)
> STM8 and pic14 seem to build without errors, but it looks like something
> in
> the pic16 lib is invoking gpasm incorrectly, as all of the 18f* file
> command lines result in the usage information for gpasm being printed and
> the build consequently fails with missing object files.
> The error lines all have the following format:
>
> source='fake_sspbuf.c' object='libdev18f1220_a-fake_sspbuf.o' libtool=no \
> DEPDIR=.deps depmode=none /bin/sh ../depcomp \
> '/c/source/sdcc/device/non-free/lib/pic16//../../../../bin/sdcc'
> -DHAVE_CONFIG_H -I. -I..  -I. -I../../../../include/pic16
> -I../../../../non-free/include/pic16  -p18f1220 --std-c99
> --asm="'/mingw64/bin/gpasm'" --no-warn-non-free --fomit-frame-pointer
> --obanksel=9 --denable-peeps --optimize-cmp --optimize-df --i-code-in-asm
> -DUSE_FLOATS=0 -mpic16 -p18f452 -c -o libdev18f1220_a-fake_sspbuf.o `test
> -f 'fake_sspbuf.c' || echo './'`fake_sspbuf.c
>
> Usage: gpasm [options] file
> Options: [defaults in brackets after descriptions]
>   -a FMT, --hex-format FMT       Select hex file format. [inhx32]
>   -c, --object                   Output relocatable object.
>  <gpasm usage info follows>
>
>
> Build fails much later with error:
> error: "libdev18f1220_a-pic18f1220.o" is not a valid object file
>
> Does anybody have any suggestions for how I can diagnose this?
> Thanks,
> Stephen

Hello Stephen,

Can you modify the makefile to make SDCC more verbose using --verbose ? It
will print the way gpasm is called.

Maarten