Resolving dependencies...
Configuring LDAP-0.6.11...
Building LDAP-0.6.11...
Failed to install LDAP-0.6.11
Build log ( /home/builder/.cabal/logs/LDAP-0.6.11.log ):
cabal: Entering directory '/tmp/cabal-tmp-21055/LDAP-0.6.11'
Configuring LDAP-0.6.11...
Building LDAP-0.6.11...
Preprocessing library LDAP-0.6.11...
[ 1 of 11] Compiling LDAP.TypesLL     ( LDAP/TypesLL.hs, dist/build/LDAP/TypesLL.o )
[ 2 of 11] Compiling LDAP.Data        ( dist/build/LDAP/Data.hs, dist/build/LDAP/Data.o )

LDAP/Data.hsc:97:2: warning: [-Woverlapping-patterns]
    Pattern match is redundant
    In an equation for ‘toEnum’: toEnum (7) = ...

LDAP/Data.hsc:260:2: warning: [-Woverlapping-patterns]
    Pattern match is redundant
    In an equation for ‘toEnum’: toEnum (0) = ...
[ 3 of 11] Compiling LDAP.Types       ( dist/build/LDAP/Types.hs, dist/build/LDAP/Types.o )
[ 4 of 11] Compiling LDAP.Exceptions  ( LDAP/Exceptions.hs, dist/build/LDAP/Exceptions.o )
[ 5 of 11] Compiling LDAP.Constants   ( dist/build/LDAP/Constants.hs, dist/build/LDAP/Constants.o )
[ 6 of 11] Compiling LDAP.Utils       ( dist/build/LDAP/Utils.hs, dist/build/LDAP/Utils.o )
[ 7 of 11] Compiling LDAP.Init        ( dist/build/LDAP/Init.hs, dist/build/LDAP/Init.o )
[ 8 of 11] Compiling LDAP.Result      ( dist/build/LDAP/Result.hs, dist/build/LDAP/Result.o )
[ 9 of 11] Compiling LDAP.Modify      ( dist/build/LDAP/Modify.hs, dist/build/LDAP/Modify.o )
[10 of 11] Compiling LDAP.Search      ( dist/build/LDAP/Search.hs, dist/build/LDAP/Search.o )
[11 of 11] Compiling LDAP             ( LDAP.hs, dist/build/LDAP.o )

sasl_external.c:2:23: error:
     fatal error: sasl/sasl.h: No such file or directory
     #include <sasl/sasl.h>
                           ^
compilation terminated.
`gcc' failed in phase `C Compiler'. (Exit code: 1)
cabal: Leaving directory '/tmp/cabal-tmp-21055/LDAP-0.6.11'
cabal: Error: some packages failed to install:
LDAP-0.6.11 failed during the building phase. The exception was:
ExitFailure 1