[Bug 1470687] Re: Not working properly with compile options "-symbolic-functions"

[Chris J Arges]

Before I sponsor this, I'd like to know which static variables are
needed exactly? Instead of hardcoding LDFLAGS, perhaps we should fix the
specific file that is not working correctly. Does upstream autofs work
with -symbolic-functions?

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Title:
  Not working properly with compile options "-symbolic-functions"

Status in autofs package in Ubuntu:
  In Progress
Status in autofs source package in Trusty:
  In Progress
Status in autofs source package in Utopic:
  In Progress
Status in autofs source package in Vivid:
  In Progress

Bug description:
  SRU Justification

  [Impact]

  Can't use ${VARIABLE} on config file with -Dvar=value

  Actually this is not a direct cause. but one of symptoms.

  It's affected from Trusty to Wily ( Precise is ok )

  [Test Case]

  set NFS server
    - /export/test1
    - /export/test2
    - /export/test-wily ( has README file )

  set NFS client
    - insert "/test /etc/auto.test" on the bottom of /etc/auto.master
    - insert "test autofs_nfs:/export/${TESTVAR}
    - run "automount -DTESTVAR=test-wily --pid-file=/var/run/autofs.pid -d -f -v"
    - go /test, run ll test
    - can see whole subdirectories on /export, should see only files in /export/test-wily

  [Regression Potential]

  [Other Info]

  After analyzing the codes and build,

  I found that it's ok with result of "make" command.

  but doesn't work with "debuild" command.

  so I suspected compile option

  I changed override_dh_auto_build part on debian/rules to below

  -----
  override_dh_auto_build:
          CFLAGS="$(CFLAGS) $(CPPFLAGS) -fgnu89-inline" \
          LDFLAGS="-Wl,-z,relro" \                                                                     <<
          dh_auto_build
  -----

  then debuild, it works

  with -symbolic-functions option, static global variable in shared
  library can't be used properly.. they lose some variables or element
  in list as I tested.

  I'm curious whether it's affected all other pkg.. because it's
  compiler option problem

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