[Bug 1393752] Re: missing symbols in libssl1.0.1f-1ubuntu2.7

[Thomas Berger]

I did some more research. It looks like every symbol with a leading underscore disappears if build with debuild or other.
I have tried to remove all compiler and linker flags not needed or differ from vanilla build, but this had no effect.

As i could not see any other relevant changes within the patches, i
think the library breaks while adding symvers.

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https://bugs.launchpad.net/bugs/1393752

Title:
  missing symbols in libssl1.0.1f-1ubuntu2.7

Status in “openssl” package in Ubuntu:
  Confirmed

Bug description:
  _CONF_new_data is not exported.

  The function definition is still in the headers:

  # grep -r _CONF_new_data /usr/include/
  /usr/include/openssl/conf_api.h:int _CONF_new_data(CONF *conf);

  The library itself does not export the symbol:
  $ readelf -Ws /lib/x86_64-linux-gnu/libcrypto.so.1.0.0 | grep CONF_new
    1540: 000000000012f630    84 FUNC    GLOBAL DEFAULT   12 NCONF_new@@OPENSSL_1.0.0

  LSB Relase:
  Description:    Ubuntu 14.04.1 LTS
  Release:        14.04

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