make[0]: Entering directory `/dir1'

testhist.l:451: warning: 'void yyunput(int, char*)' defined but not used

foo.cc:4:39: error: foo.h: No such file or directory

foo.so: undefined reference to 'missing_symbol'

../../lib/linux-i686/include/boost/test/impl/execution_monitor.ipp:678: warning: missing initializer for member sigaltstack::ss_sp
../../lib/linux-i686/include/boost/test/impl/execution_monitor.ipp:678: warning: missing initializer for member sigaltstack::ss_flags
../../lib/linux-i686/include/boost/test/impl/execution_monitor.ipp:678: warning: missing initializer for member sigaltstack::ss_size

src/test_simple_sgs_message.cxx:52: warning: large integer implicitly truncated to unsigned type

make[1]: Entering directory `/dir1/dir2'

================ Issue 3897 (not valid gcc4 errors -> should be undetected)
/dir1/dir2/file.c:12:15: file.h: No such file or directory
/dir1/dir3/file.cpp:233: undefined reference to 'MyInterface::getValue() const'
/dir1/dir2/file.cpp:20:2: invalid preprocessing directive #include

================ Issue 4712
Notes from the gcc compiler output are reported as an gcc error with priority high.
See this example:
main/mep.cpp:352: warning: 's2.mepSector2::lubrications' may be used uninitialized in this function
main/mep.cpp:1477: note: 's2.mepSector2::lubrications' was declared here

=============== Issue 4753
warnings.cc: In function 'void print(T) [with T = Test]':
warnings.cc:9:   instantiated from 'void out(T) [with T = Test]'
warnings.cc:14:   instantiated from here
warnings.cc:6: warning: passing 'Test' chooses 'int' over 'unsigned int'
warnings.cc:6: warning:   in call to 'std::basic_ostream<_CharT, _Traits>& std::basic_ostream<_CharT, _Traits>::operator<<(int) [with _CharT = char, _Traits = std::char_traits<char>]'

make[2]: Entering directory '/dir1/dir2/dir3'

============== Checking "entering directory" without recursion level ==========
make: Entering directory `/dir4'
zoidberg.c:5:70: warning: Your code is bad, and you should feel bad!
make: Leaving directory `/dir4'

==== already absolute ====

/u1/drjohn/bfdist/packages/RegrTest/V00-03-01/RgtAddressLineScan.cc:73: error: implicit typename is deprecated, please see the documentation for details

=============== Issue 5605
In file included from /usr/include/c++/4.3/backward/hash_set:64,
                 from /usr/include/boost/graph/adjacency_list.hpp:25,
                 from Node.cpp:51:
/usr/include/c++/4.3/backward/backward_warning.h:33:2: warning: #warning This file includes at least one deprecated or antiquated header which may be removed without further notice at a future date. Please use a non-deprecated interface with equivalent functionality instead. For a listing of replacement headers and interfaces, consult the file backward_warning.h. To disable this warning use -Wno-deprecated.
