[Bug 1126392] Re: pam doesn't bootstrap due to missing --enable-dbm in db

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** Branch linked: lp:ubuntu/raring-proposed/db

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https://bugs.launchpad.net/bugs/1126392

Title:
  pam doesn't bootstrap due to missing --enable-dbm in db

Status in “db” package in Ubuntu:
  Fix Committed
Status in “db5.3” package in Ubuntu:
  Invalid
Status in “pam” package in Ubuntu:
  Invalid

Bug description:
  Building (or crossbuilding)  pam (with dpkg-buildpackage -B) 
  fails with a set of undefined reference to `__db_ndbm_*' errors.

  This is due to db not have the compatibility layer unless  --enable-
  dbm is set in the db package.

  I don't know if this is a changed default from ealier versions of db
  or if in fact this should be fixed by getting pam not to use this
  interface anymore, but for now this seems simplest.

  I noticed this doing the arm64 bootstrap but I don't think there is
  anything arm-specific about it, given that the test below fails.

  I don't know why this doesn't show up normally. I presume that the
  normal db configuration implies --enable-dbm, but the stage1 config
  used in
  http://people.debian.org/~wookey/bootstrap/ubunturepo/pool/main/d/db/db_5.1.29-5ubuntu6profile1_source.changes
  (which turns off the java and python and tcl bindings) implies
  --disable-dbm

  Turning --enable-dbm on explicitly makes things work.

  Here is a small test case
  $ cat test.c
  #define DB_DBM_HSEARCH 1
  #include <db.h>

  int main(void) {
  DBM *db = dbm_open("/dev/null", 0, 0600);
  return 0;
  }
  $ gcc -ldb test.c
  /tmp/ccvbSNOF.o: In function `main':
  test.c:(.text+0x18): undefined reference to `__db_ndbm_open'
  collect2: ld returned 1 exit status

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