Re: Packaging hwinfo

[Tobias Geerinckx-Rice <me@tobias.gr>]

Petr,

> Besides I also opened an issue

Thanks!  A good reflex, whether or not upstream cares or notices.

Please share packages in a form that can easily be built by others.  I 
added missing module imports and changed a forgotten /usr/lib to /lib.  
Please also place {native-,}inputs after arguments.  Phases need no 
longer return #t.

> CFLAGS+="-fPIC -I$srcdir/$pkgname/src/hd -w"

This does not look relevant, so I didn't add it anywhere.

> starting phase `build'
> gcc -c -O2 -Wall -Wno-pointer-sign -pipe -g
> -I/tmp/guix-build-hwinfo-21.75.drv-0/source/src/hd  -Lsrc hwinfo.c
> make: *** No rule to make target
> '/tmp/guix-build-hwinfo-21.75.drv-0/source/src/libhd.a', needed by
> 'hwinfo'.  Stop.
> 
> The build continues

And how:

make: *** Waiting for unfinished jobs....
make[1]: warning: jobserver unavailable: using -j1.  Add '+' to parent 
make rule.
make[1]: Entering directory 
'/tmp/guix-build-hwinfo-21.75.drv-0/source/src'
make[2]: Entering directory 
'/tmp/guix-build-hwinfo-21.75.drv-0/source/src/hd'

i.e.: "Oh no, you made some mistake, I can't make libhd!  Anyway, before 
I perish dramatically, let's chdir into this here 'src/hd' directory and 
make whatever's there. ¯\_( ツ )_/¯  I'm sure it won't be relevant lol."

That's one bug that only upstream can fix.  For now, set 
"#:parallel-build? #f" (with a detailed comment!) and you'll be on your 
merry, slow, way.  Alas:

> /gnu/store/74ldv6c74gslx5irsa0a8kn54yi4gc3h-hwinfo-21.75/bin/hwinfo:
> error: depends on 'libhd.so.21', which cannot be found in RUNPATH

Weird, but (search for '-Wl,-rpath' in Guix) it happens.  Let's--no, 
wait a minute, strange things are afoot:

tree /gnu/store/74ldv6c74gslx5irsa0a8kn54yi4gc3h-hwinfo-21.75
├── bin
│   ├── check_hd
│   ├── convert_hd
│   ├── getsysinfo
│   ├── hwinfo
│   └── mk_isdnhwdb
├── gnu
│   └── store
│       └── 74ldv6c74gslx5irsa0a8kn54yi4gc3h-hwinfo-21.75
│           └── lib
│               ├── libhd.so -> libhd.so.21
[...]

Afootness intensifies:

> (string-append "DESTDIR=" %output)

Seeing DESTDIR= is never a good sign (I didn't check whether its use in 
libx86emu is warranted or not).  Let's stick with hwinfo & peer into its 
Makefile again:

> ULIBDIR         = $(LIBDIR)
> [...]
> install -d -m 755 $(DESTDIR)/sbin $(DESTDIR)/usr/sbin \
>         $(DESTDIR)$(ULIBDIR)

Really?  No support for the standard $prefix variable?  Cool.

Making LIBDIR 'relative' works around that.  Not the rpath issue, so:

> "LIBDIR=/lib"
> (string-append "LDFLAGS=-Lsrc -Wl,-rpath=" %output "/lib")

The "-Lsrc" is repeated from upstream, because VARIABLE+= on the make 
command line doesn't actually work.

With that, it finally builds and runs.  Some software just isn't fun to 
package.

 From hwinfo:
> using /var/lib/hardware

This might need fixing.  There may be remaining issues with the 
package(s); I'm out of time.

 From the build log:
> info(FRITZ!Card PCMCIA): This card has multiple drivers, some functions 
> are only available on the binonly driver

We'll need to make sure this package doesn't include or 'promote' binary 
blobs in any way.

Thanks!

T G-R

Sent from a Web browser.  Excuse or enjoy my brevity.