homebrew formula to get dpkg working a mac

dpkg-gnutar

require 'formula'

class Tar <Formula
  url 'http://ftp.gnu.org/gnu/tar/tar-1.26.tar.gz'
  homepage 'http://www.gnu.org/software/tar/'
  md5 '00d1e769c6af702c542cca54b728920d'

  # depends_on 'cmake'

  def install
    system "./configure", "--disable-debug", "--disable-dependency-tracking",
                          "--prefix=#{prefix}"
    # system "cmake . #{std_cmake_parameters}"
    system "make install"
  end
end

dpkg-homebrew

require 'formula'

class Dpkg <Formula
  url 'http://ftp.debian.org/debian/pool/main/d/dpkg/dpkg_1.15.8.10.tar.bz2'
  homepage 'http://en.wikipedia.org/wiki/Dpkg'
  md5 'bce745c7083ace01da1df6cdcad35f9a'

  # depends_on 'cmake'

  def patches
        #Fixes the PERL_LIBDIR
        DATA
  end
  def install
    system "./configure", "--disable-dependency-tracking",
                          "--prefix=#{prefix}",
                          "--disable-compiler-warnings",
                          "--disable-linker-optimisations",
                          "--disable-compiler-optimisations",
                          "--without-start-stop-daemon",
                        "PERL_LIBDIR=/Library/Perl/5.10.0/ "

    # system "cmake . #{std_cmake_parameters}"
    system "make install"
  end
end
__END__
diff --git a/configure b/configure
index a4e8516..de7f226 100755
--- a/configure
+++ b/configure
@@ -8171,9 +8171,7 @@ else
 $as_echo "no" >&6; }
 fi

-PERL_LIBDIR=$($PERL -MConfig -e 'my $r = $Config{vendorlibexp};
-                                 $r =~ s/$Config{vendorprefixexp}/\$(prefix)/;
-                                 print $r')
+PERL_LIBDIR="/Library/perl/5.10.0"

 for ac_prog in pod2man
 do

dpkg formula should add a patch to make dpkg-deb use gnutar instead of default tar
following are patch content, which can be just appended after the end of dpkg formula:
diff --git a/build.c b/build.c.new
index 9ca729b..be24e76 100644
--- a/build.c
+++ b/build.c.new
@@ -397,8 +397,8 @@ void do_build(const char *const *argv) {
m_dup2(p1[1],1); close(p1[0]); close(p1[1]);
if (chdir(directory)) ohshite(("failed to chdir to `%.255s'"),directory);
if (chdir(BUILDCONTROLDIR)) ohshite(("failed to chdir to .../DEBIAN"));

• execlp(TAR, "tar", "-cf", "-", "--format=gnu", ".", NULL);
• ohshite(_("failed to exec tar -cf"));
• execlp(TAR, "gnutar", "-cf", "-", "--format=gnu", ".", NULL);
• ohshite(_("failed to exec gnutar -cf"));
  }
  close(p1[1]);
  /* Create a temporary file to store the control data in. Immediately unlink
  @@ -419,7 +419,7 @@ void do_build(const char *const *argv) {
  }
  close(p1[0]);
  subproc_wait_check(c2, "gzip -9c", 0);
• subproc_wait_check(c1, "tar -cf", 0);
• subproc_wait_check(c1, "gnutar -cf", 0);

if (lseek(gzfd, 0, SEEK_SET))
ohshite(("failed to rewind tmpfile (control)"));
@@ -463,8 +463,8 @@ void do_build(const char *const *argv) {
m_dup2(p1[0],0); close(p1[0]); close(p1[1]);
m_dup2(p2[1],1); close(p2[0]); close(p2[1]);
if (chdir(directory)) ohshite(("failed to chdir to `%.255s'"),directory);

• execlp(TAR, "tar", "-cf", "-", "--format=gnu", "--null", "-T", "-", "--no-recursion", NULL);
• ohshite(_("failed to exec tar -cf"));
• execlp(TAR, "gnutar", "-cf", "-", "--format=gnu", "--null", "-T", "-", "--no-recursion", NULL);
• ohshite(_("failed to exec gnutar -cf"));
  }
  close(p1[0]);
  close(p2[1]);
  @@ -499,7 +499,7 @@ void do_build(const char *const *argv) {
  add_to_filist(&symlist, &symlist_end, fi);
  else {
  if (write(p1[1], fi->fn, strlen(fi->fn)+1) ==- 1)
• ohshite(_("failed to write filename to tar pipe (data)"));
• ohshite(_("failed to write filename to gnutar pipe (data)"));
  file_info_free(fi);
  }
  close(p3[0]);
  @@ -507,12 +507,12 @@ void do_build(const char *const *argv) {

for (fi= symlist;fi;fi= fi->next)
if (write(p1[1], fi->fn, strlen(fi->fn)+1) == -1)

•  ohshite(_("failed to write filename to tar pipe (data)"));
  

•  ohshite(_("failed to write filename to gnutar pipe (data)"));
  

  /* All done, clean up wait for tar and gzip to finish their job */
  close(p1[1]);
  free_filist(symlist);
• subproc_wait_check(c2, _(" from tar -cf"), 0);
• subproc_wait_check(c1, "tar -cf", 0);
• subproc_wait_check(c2, _(" from gnutar -cf"), 0);
• subproc_wait_check(c1, "gnutar -cf", 0);
  /* Okay, we have data.tar.gz as well now, add it to the ar wrapper */
  if (!oldformatflag) {
  char datamember[16 + 1];
  diff --git a/lib/dpkg/dpkg.h b/lib/dpkg/dpkg.h
  index 3e39ccb..72fd0e1 100644
  --- a/lib/dpkg/dpkg.h
  +++ b/lib/dpkg/dpkg.h
  @@ -97,7 +97,7 @@ DPKG_BEGIN_DECLS
  #define DPKG "dpkg"
  #define DEBSIGVERIFY "/usr/bin/debsig-verify"

-#define TAR "tar"
+#define TAR "gnutar"
#define RM "rm"
#define FIND "find"
#define DIFF "diff"