How do I debug quickfix's errorformat problems?

The directory stack of my quickfix is not working properly. The directories are not getting prepended to the filename of the relevant error messages.

My build is done using GNU Make, which is displaying the Entering and Leaving directory messages just fine. Here is an example:

|| make[3]: Entering directory `/path/to/myfile'

myfile.c|1836 col 2| error: #error force error

How do I debug such problems?

Thanks in advance.

Vim's version:

VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Jan 3 2014 22:11:17)
Included patches: 1-131
Modified by Gentoo-7.4.131
Compiled by ifilgueiras@e6430-lin
Huge version without GUI. Features included (+) or not (-):
+acl +farsi +mouse_netterm +syntax
+arabic +file_in_path +mouse_sgr +tag_binary
+autocmd +find_in_path -mouse_sysmouse +tag_old_static
-balloon_eval +float +mouse_urxvt -tag_any_white
-browse +folding +mouse_xterm -tcl
++builtin_terms -footer +multi_byte +terminfo
+byte_offset +fork() +multi_lang +termresponse
+cindent +gettext -mzscheme +textobjects
+clientserver -hangul_input +netbeans_intg +title
+clipboard +iconv +path_extra -toolbar
+cmdline_compl +insert_expand +perl +user_commands
+cmdline_hist +jumplist +persistent_undo +vertsplit
+cmdline_info +keymap +postscript +virtualedit
+comments +langmap +printer +visual
+conceal +libcall +profile +visualextra
+cryptv +linebreak +python +viminfo
+cscope +lispindent -python3 +vreplace
+cursorbind +listcmds +quickfix +wildignore
+cursorshape +localmap +reltime +wildmenu
+dialog_con +lua +rightleft +windows
+diff +menu +ruby +writebackup
+digraphs +mksession +scrollbind +X11
-dnd +modify_fname +signs +xfontset
-ebcdic +mouse +smartindent -xim
+emacs_tags -mouseshape -sniff +xsmp_interact
+eval +mouse_dec +startuptime +xterm_clipboard
+ex_extra +mouse_gpm +statusline -xterm_save
+extra_search -mouse_jsbterm -sun_workshop -xpm
system vimrc file: "/etc/vim/vimrc"
user vimrc file: "$HOME/.vimrc"
2nd user vimrc file: "~/.vim/vimrc"
user exrc file: "$HOME/.exrc"
fall-back for $VIM: "/usr/share/vim"
Compilation: x86_64-pc-linux-gnu-gcc -c -I. -Iproto -DHAVE_CONFIG_H -O2 -pipe -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: x86_64-pc-linux-gnu-gcc -L. -Wl,-O1 -rdynamic -Wl,-export-dynamic -Wl,--no-undefined -Wl,-E -Wl,-O1 -L/usr/local/lib -Wl,--as-needed -o vim -lSM -lICE -lXpm -lXt -lX11 -lXdmcp -lSM -lICE -lm -lncurses -lelf -lnsl -lacl -lattr -lgpm -ldl -L/usr/lib/x86_64-linux-gnu -lluajit-5.1 -Wl,-E -Wl,-O1 -Wl,--as-needed -L/usr/lib64/perl5/5.16.3/x86_64-linux/CORE -lperl -lnsl -ldl -lm -lcrypt -lutil -lc -L/usr/lib64/python2.7/config -lpython2.7 -lpthread -ldl -lutil -lm -Xlinker -export-dynamic -Wl,-R -Wl,/usr/lib64 -L/usr/lib64 -lruby18 -lrt -ldl -lcrypt -lm -L/usr/lib64

errorformat=%*[^"]"%f"%*\D%l: %m,"%f"%*\D%l: %m,%-G%f:%l: (Each undeclared ide
ntifier is reported only once,%-G%f:%l: for each function it appears in.),%-GIn
file included from %f:%l:%c:,%-GIn file included from %f:%l:%c\,,%-GIn file incl
uded from %f:%l:%c,%-GIn file included from %f:%l,%-G%*[ ]from %f:%l:%c,%-G%*[ ]
from %f:%l:,%-G%*[ ]from %f:%l\,,%-G%*[ ]from %f:%l,%f:%l:%c:%m,%f(%l):%m,%f:%l:
%m,"%f"\, line %l%*\D%c%*[^ ] %m,%D%*\a[%*\d]: Entering directory [`']%f',%X%*\a
[%*\d]: Leaving directory [`']%f',%D%*\a: Entering directory [`']%f',%X%*\a: Lea
ving directory [`']%f',%DMaking %*\a in %f,%f|%l| %m

--
--
You received this message from the "vim_use" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

---
You received this message because you are subscribed to the Google Groups "vim_use" group.
To unsubscribe from this group and stop receiving emails from it, send an email to vim_use+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.