[Bug 1358475] [NEW] apr/apu-1-config default libdir breaks compilation against custom GSS-API

[Michael Osipov]

Public bug reported:

I am trying to build Subversion with serf against a newer version of MIT Kerberos which I have installed in $HOME/krb5. Everything else is from apt-get. A side note, MIT Kerberos is installed from apt-get too. There there are now two installations of MIT Kerberos.
serf from Subversion trunk, MIT Kerberos from Git master.

apr-1-config and apu-1-config spit out:

-L/usr/lib/i386-linux-gnu -lapr-1
-L/usr/lib/i386-linux-gnu -laprutil-1

Trying to compile serf against that local MIT Kerberos version gives me:
gcc -o test/serf_bwtp.o -c -std=c99 -Wdeclaration-after-statement -Wmissing-prototypes -Wall -O2 -pthread -DNDEBUG -DLINUX -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -DSERF_HAVE_GSSAPI -DMOCKHTTP_OPENSSL -I. -I/usr/include/apr-1.0 -I/usr/include -I/usr/include -I/home/mosipov/krb5/include test/serf_bwtp.c
gcc -o test/serf_bwtp -pthread -Wl,--enable-new-dtags -Wl,-rpath -Wl,/home/mosipov/krb5/lib -Wl,-rpath=/home/mosipov/Projekte/serf-read-only test/serf_bwtp.o -L. -L/usr/lib -L/usr/lib/i386-linux-gnu -L/home/mosipov/krb5/lib -lserf-2 -lssl -lcrypto -lz -lapr-1 -laprutil-1 -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err
/usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_free_buf at krb5support_0_MIT'
/usr/lib/i386-linux-gnu/libkrb5.so: undefined reference to `k5_vset_error_fl at krb5support_0_MIT'
/usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_buf_len at krb5support_0_MIT'
/usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_buf_data at krb5support_0_MIT'
collect2: error: ld returned 1 exit status
scons: *** [test/serf_bwtp] Error 1
scons: building terminated because of errors.

-L/usr/lib/i386-linux-gnu comes before the custom MIT Kerberos path
because APR/APU is processed first by the build script. GCC tries this
libdir first and first of course a MIT Kerberos version which isn't
compatible with the custom one.

Since /usr/lib/i386-linux-gnu is a default ld/ldd search dir, this
should be removed from the config files to avoid override problems like
this one.

** Affects: apr (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: apr-util (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1358475

Title:
  apr/apu-1-config default libdir breaks compilation against custom GSS-
  API

Status in “apr” package in Ubuntu:
  New
Status in “apr-util” package in Ubuntu:
  New

Bug description:
  I am trying to build Subversion with serf against a newer version of MIT Kerberos which I have installed in $HOME/krb5. Everything else is from apt-get. A side note, MIT Kerberos is installed from apt-get too. There there are now two installations of MIT Kerberos.
  serf from Subversion trunk, MIT Kerberos from Git master.

  apr-1-config and apu-1-config spit out:

  -L/usr/lib/i386-linux-gnu -lapr-1
  -L/usr/lib/i386-linux-gnu -laprutil-1

  Trying to compile serf against that local MIT Kerberos version gives me:
  gcc -o test/serf_bwtp.o -c -std=c99 -Wdeclaration-after-statement -Wmissing-prototypes -Wall -O2 -pthread -DNDEBUG -DLINUX -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE -DSERF_HAVE_GSSAPI -DMOCKHTTP_OPENSSL -I. -I/usr/include/apr-1.0 -I/usr/include -I/usr/include -I/home/mosipov/krb5/include test/serf_bwtp.c
  gcc -o test/serf_bwtp -pthread -Wl,--enable-new-dtags -Wl,-rpath -Wl,/home/mosipov/krb5/lib -Wl,-rpath=/home/mosipov/Projekte/serf-read-only test/serf_bwtp.o -L. -L/usr/lib -L/usr/lib/i386-linux-gnu -L/home/mosipov/krb5/lib -lserf-2 -lssl -lcrypto -lz -lapr-1 -laprutil-1 -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err
  /usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_free_buf at krb5support_0_MIT'
  /usr/lib/i386-linux-gnu/libkrb5.so: undefined reference to `k5_vset_error_fl at krb5support_0_MIT'
  /usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_buf_len at krb5support_0_MIT'
  /usr/lib/i386-linux-gnu/libgssapi_krb5.so: undefined reference to `k5_buf_data at krb5support_0_MIT'
  collect2: error: ld returned 1 exit status
  scons: *** [test/serf_bwtp] Error 1
  scons: building terminated because of errors.

  -L/usr/lib/i386-linux-gnu comes before the custom MIT Kerberos path
  because APR/APU is processed first by the build script. GCC tries this
  libdir first and first of course a MIT Kerberos version which isn't
  compatible with the custom one.

  Since /usr/lib/i386-linux-gnu is a default ld/ldd search dir, this
  should be removed from the config files to avoid override problems
  like this one.

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