[DRE-maint] Bug#892099: libruby2.5: missing dbm support

[Alban Browaeys]

Package: libruby2.5
Version: 2.5.0-6
Severity: important

Dear Maintainer,
since upgrade of ruby to 2.5, when doc-base triggers on a doc installation I get:
Traceback (most recent call last):
	5: from /usr/sbin/dhelp_parse:32:in `<main>'
	4: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	3: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
	2: from /usr/lib/ruby/vendor_ruby/dhelp.rb:21:in `<top (required)>'
	1: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
/usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require': cannot load such file -- dbm (LoadError)

when I compare libruby2.5 against libruby2.3, 2.5 lacks:
/usr/lib/x86_64-linux-gnu/ruby/2.3.0/dbm.so


buildd log is not that helpful:
https://buildd.debian.org/status/fetch.php?pkg=ruby2.5&arch=amd64&ver=2.5.0-6&stamp=1520184641&raw=0
*** Following extensions are not compiled:
make[3]: Leaving directory '/<<PKGBUILDDIR>>'
make[3]: Entering directory '/<<PKGBUILDDIR>>'
dbm:
	Could not be configured. It will not be installed.
	Check ext/dbm/mkmf.log for more details.
make[3]: Leaving directory '/<<PKGBUILDDIR>>'
make[3]: Entering directory '/<<PKGBUILDDIR>>'
*** Fix the problems, then remove these directories and try again if you want.

Cheers
Alban



-- System Information:
Debian Release: buster/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'stable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.16.0-rc3prahal+intel+ (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libruby2.5 depends on:
ii  libc6              2.27-1
ii  libffi6            3.2.1-8
ii  libgdbm5           1.14.1-4
ii  libgmp10           2:6.1.2+dfsg-2
ii  libncurses5        6.1-1
ii  libreadline7       7.0-3
ii  libssl1.1          1.1.0g-2
ii  libtinfo5          6.1-1
ii  libyaml-0-2        0.1.7-2
ii  rake               12.3.0-1
ii  ruby-did-you-mean  1.0.0-2
ii  ruby-minitest      5.10.3-1
ii  ruby-net-telnet    0.1.1-2
ii  ruby-test-unit     3.2.5-1
ii  zlib1g             1:1.2.8.dfsg-5

libruby2.5 recommends no packages.

libruby2.5 suggests no packages.

-- no debconf information