Bug#1079187: openmx: Build fixes

[Guillem Jover]

Source: openmx
Source-Version: 3.8.5+dfsg1-1
Severity: normal
Tags: patch

Hi!

This package patches the upstream build system to include a dpkg make
fragment file so that it can pass build flags. This is rather
unorthodox, and makes the patch non-eligible for upstream submission.
And in addition, because the fragment file is getting included from a
subdir, which is an unsupported usage, this is causing errors such as:

  ,---
  dpkg-buildapi: error: cannot read debian/control: No such file or directory
  /bin/sh: 1: test: Illegal number:
  `---

While checking how to fix this, I ended up noticing several other
issues, which I've fixed with the attached patch. I've only partially
tested it, because the packages currently FTBFS.

The patch does the following:

 - Remove unused and wrongly set DEB_UPSTREAM_VERSION variable.
 - Include dpkg/architecture.mk and dpkg/buildflags.mk and export all
   build flags from debian/rules.
 - Set -Dnosse into CFLAGS for DEB_HOST_ARCH_CPU other than amd64 from
   debian/rules (instead of the upstream makefile, and instead of
   using the wrong DEB_HOST_MULTIARCH variable).
 - Change CC, FC and LIB variables to use CPPFLAGS, CFLAGS, FFLAGS and
   LDFLAGS, instead of using explicit dpkg make fragments or programs.

Thanks,
Guillem
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