Public bug reported:
The pkg-config file at /usr/lib/x86_64-linux-
gnu/pkgconfig/gobject-2.0.pc has "-lffi" in its "Libs.private". This
means that when you ask pkg-config how to link statically against
gobject-2.0, with "pkg-config --libs --static gobject-2.0", you get a
series of linker flags that say you need to link against, among other
things, libffi with "-lffi".
But the static library for libffi is in package libffi-dev, which
libglib2.0-dev doesn't depend on. So if you actually try to use those
linker flags and libffi-dev doesn't happen to be installed, your build
will crash.
I think that libglib2.0-dev needs to be made to depend on libffi-dev (so
that the library is always available). Alternately, if -lffi isn't
actually needed to link against the static /usr/lib/x86_64-linux-
gnu/libgobject-2.0.a, then -lffi needs to be removed from the pkg-config
file so that builds don't go looking for it.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: libglib2.0-dev 2.48.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-124.148-generic 4.4.117
Uname: Linux 4.4.0-124-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue May 22 13:09:39 2018
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-04-18 (1859 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
SourcePackage: glib2.0
UpgradeStatus: Upgraded to xenial on 2018-02-26 (85 days ago)
** Affects: glib2.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages xenial
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https://bugs.launchpad.net/bugs/1772742
Title:
libglib2.0-dev needs a dependency on libffi-dev because its pkg-config
file specifies -lffi
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