[Buildroot] [Bug 11331] New: Internal application no longer builds with latest GIT master

[Buildroot] [Bug 11331] New: Internal application no longer builds with latest GIT master

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=11331

            Bug ID: 11331
           Summary: Internal application no longer builds with latest GIT
                    master
           Product: buildroot
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Other
          Assignee: unassigned at buildroot.uclibc.org
          Reporter: tpearson at raptorengineering.com
                CC: buildroot at uclibc.org
  Target Milestone: ---

Up until the recent updates (after 2018.08) an internal application using the
old setkey()/encrypt() functions was able to compile.  With latest master,
compilation fails:

/home/buildroot/project/output/host/bin/powerpc64le-buildroot-linux-gnu-gcc
-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os 
-fstack-protector-all -Wl,-z,relro -D_FORTIFY_SOURCE=2 -fPIC proprietary.o -o
proprietary -lcrypt -lcurl
/home/buildroot/project/output/host/lib/gcc/powerpc64le-buildroot-linux-gnu/8.2.0/../../../../powerpc64le-buildroot-linux-gnu/bin/ld:
proprietary.o: in function `legacy_handler':
proprietary.c:(.text+0x1cc30): undefined reference to `setkey'
/home/buildroot/project/output/host/lib/gcc/powerpc64le-buildroot-linux-gnu/8.2.0/../../../../powerpc64le-buildroot-linux-gnu/bin/ld:
proprietary.c:(.text+0x1cce4): undefined reference to `encrypt'
collect2: error: ld returned 1 exit status
Makefile:62: recipe for target 'proprietary' failed
make[1]: *** [proprietary] Error 1
make[1]: Leaving directory
'/home/buildroot/project/output/build/proprietary-origin_master/proprietary'
package/pkg-generic.mk:229: recipe for target
'/home/buildroot/project/output/build/proprietary-origin_master/.stamp_built'
failed
make: ***
[/home/buildroot/project/output/build/proprietary-origin_master/.stamp_built]
Error 2

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[Buildroot] [Bug 11331] Internal application no longer builds with latest GIT master

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=11331

Thomas Petazzoni <thomas.petazzoni@free-electrons.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |WONTFIX
             Status|NEW                         |RESOLVED

--- Comment #1 from Thomas Petazzoni <thomas.petazzoni@free-electrons.com> ---
This is a decision from glibc upstream, which removed those functions from
glibc 2.28. See
https://lists.gnu.org/archive/html/info-gnu/2018-08/msg00000.html, which says:

"""
* The obsolete functions encrypt, encrypt_r, setkey, setkey_r, cbc_crypt,
  ecb_crypt, and des_setparity are no longer available to newly linked
  binaries, and the headers <rpc/des_crypt.h> and <rpc/rpc_des.h> are no
  longer installed.  These functions encrypted and decrypted data with the
  DES block cipher, which is no longer considered secure.  Software that
  still uses these functions should switch to a modern cryptography library,
  such as libgcrypt.
"""

So, you should fix your application it seems. Buildroot is not going to revert
this change, unless you can convince glibc upstream developers to also revert
it, which I guess will be challenging.

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[Buildroot] [Bug 11331] Internal application no longer builds with latest GIT master

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=11331

--- Comment #2 from Timothy Pearson <tpearson@raptorengineering.com> ---
Good to know, thanks!  Wasn't able to find documentation supporting that even
after some extensive searching.

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