Bug#856870: arduino-mk: Wrong directory (/usr/etc) used for avrdude config

[Tobias Diedrich]

Package: arduino-mk
Version: 1.5.2-1
Severity: normal

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Dear Maintainer,

https://anonscm.debian.org/cgit/debian-science/packages/arduino-mk.git/commit/?h=upstream&id=b368558d19605c9dc088e1a5f32de6c2fd5755b2
introduced a regression where now "make ispload" tries to run "avrdude [...] -C /usr/etc/avrdude.conf".

This is apparently caused by "Fix: Ensure AVRDUDE_CONF is set when AVR_TOOLS_DIR is, not just on Windows (Issue #381) (https://github.com/sej7278)".
Previously "-C path_to_config" was not added by default.
Now it uses ${AVR_TOOLS_DIR}/etc/avrdude.conf or ${AVR_TOOLS_DIR}/../avrdude.conf (depending on $(ARDUINO_VERSION)).
Furthermore, "dpkg -S avrdude.conf" shows:

$ dpkg -S avrdude.conf
avrdude: /etc/avrdude.conf
arduino-core: /usr/share/arduino/hardware/tools/avrdude.conf

$ ls -l /usr/share/arduino/hardware/tools/avrdude*
lrwxrwxrwx 1 root root 23 Apr  7  2014 /usr/share/arduino/hardware/tools/avrdude -> ../../../../bin/avrdude
lrwxrwxrwx 1 root root 17 Apr  7  2014 /usr/share/arduino/hardware/tools/avrdude.conf -> /etc/avrdude.conf

And AVR_TOOLS_DIR is detected as /usr rather than /usr/share/arduino/hardware/tools.
Also even if it was using /usr/share/arduino/hardware/tools, both ${AVR_TOOLS_DIR}/etc/avrdude.conf and ${AVR_TOOLS_DIR}/../avrdude.conf would not find the config AFAICS.

ii  arduino-core 2:1.5.6.2+sdfsg2-3                        all Code, examples, and libraries for the Arduino platform

- -- System Information:
Debian Release: 9.0
  APT prefers testing
  APT policy: (990, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.8.5 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages arduino-mk depends on:
ii  arduino-core   2:1.5.6.2+sdfsg2-3
ii  make           4.1-9.1
ii  python         2.7.13-2
ii  python-serial  3.2.1-1

Versions of packages arduino-mk recommends:
ii  screen  4.5.0-3

arduino-mk suggests no packages.

- -- no debconf information

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