use forward declaration in headers if possible instead of includes

12 files changed, 35 insertions, 7 deletions

diff --git a/apt-inst/contrib/arfile.cc b/apt-inst/contrib/arfile.cc
index 4e078349..2dee1a40 100644
--- a/apt-inst/contrib/arfile.cc
+++ b/apt-inst/contrib/arfile.cc
@@ -18,6 +18,7 @@
 
 #include <apt-pkg/arfile.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
 #include <apt-pkg/error.h>
 
 #include <stdlib.h>
diff --git a/apt-inst/contrib/arfile.h b/apt-inst/contrib/arfile.h
index bfc128ac..2be1323d 100644
--- a/apt-inst/contrib/arfile.h
+++ b/apt-inst/contrib/arfile.h
@@ -17,7 +17,8 @@
 
 
 #include <string>
-#include <apt-pkg/fileutl.h>
+
+class FileFd;
 
 class ARArchive
 {
diff --git a/apt-inst/contrib/extracttar.cc b/apt-inst/contrib/extracttar.cc
index 487027c3..12919a7c 100644
--- a/apt-inst/contrib/extracttar.cc
+++ b/apt-inst/contrib/extracttar.cc
@@ -18,6 +18,7 @@
 // Include Files							/*{{{*/
 #include<config.h>
 
+#include <apt-pkg/dirstream.h>
 #include <apt-pkg/extracttar.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
diff --git a/apt-inst/contrib/extracttar.h b/apt-inst/contrib/extracttar.h
index 27c453d0..8754e8dc 100644
--- a/apt-inst/contrib/extracttar.h
+++ b/apt-inst/contrib/extracttar.h
@@ -15,9 +15,10 @@
 #define PKGLIB_EXTRACTTAR_H
 
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/dirstream.h>
 
-#include <algorithm>
+#include <string>
+
+class pkgDirStream;
 
 class ExtractTar
 {
diff --git a/apt-inst/database.cc b/apt-inst/database.cc
index 1a94e135..da761349 100644
--- a/apt-inst/database.cc
+++ b/apt-inst/database.cc
@@ -11,6 +11,8 @@
 #include<config.h>
 
 #include <apt-pkg/database.h>
+#include <apt-pkg/filelist.h>
+#include <apt-pkg/pkgcachegen.h>
 									/*}}}*/
 
 // DataBase::GetMetaTmp - Get the temp dir				/*{{{*/
@@ -26,3 +28,8 @@ bool pkgDataBase::GetMetaTmp(std::string &Dir)
    return true;
 }
 									/*}}}*/
+pkgDataBase::~pkgDataBase()
+{
+   delete Cache;
+   delete FList;
+}
diff --git a/apt-inst/database.h b/apt-inst/database.h
index cd0e310b..ccfee379 100644
--- a/apt-inst/database.h
+++ b/apt-inst/database.h
@@ -21,9 +21,13 @@
 #ifndef PKGLIB_DATABASE_H
 #define PKGLIB_DATABASE_H
 
-#include <apt-pkg/filelist.h>
 #include <apt-pkg/pkgcachegen.h>
 
+#include <string>
+
+class pkgFLCache;
+class OpProgress;
+
 class pkgDataBase
 {
    protected:
@@ -46,7 +50,7 @@ class pkgDataBase
    virtual bool LoadChanges() = 0;
 
    pkgDataBase() : Cache(0), FList(0) {};
-   virtual ~pkgDataBase() {delete Cache; delete FList;};
+   virtual ~pkgDataBase();
 };
 
 #endif
diff --git a/apt-inst/deb/debfile.cc b/apt-inst/deb/debfile.cc
index 8ade547f..4bd065cf 100644
--- a/apt-inst/deb/debfile.cc
+++ b/apt-inst/deb/debfile.cc
@@ -18,6 +18,7 @@
 // Include Files							/*{{{*/
 #include<config.h>
 
+#include <apt-pkg/database.h>
 #include <apt-pkg/debfile.h>
 #include <apt-pkg/extracttar.h>
 #include <apt-pkg/error.h>
diff --git a/apt-inst/deb/debfile.h b/apt-inst/deb/debfile.h
index e404d81d..2c4734f9 100644
--- a/apt-inst/deb/debfile.h
+++ b/apt-inst/deb/debfile.h
@@ -25,9 +25,12 @@
 
 
 #include <apt-pkg/arfile.h>
-#include <apt-pkg/database.h>
 #include <apt-pkg/dirstream.h>
 #include <apt-pkg/tagfile.h>
+#include <apt-pkg/pkgcache.h>
+
+class FileFd;
+class pkgDataBase;
 
 class debDebFile
 {
diff --git a/apt-inst/deb/dpkgdb.cc b/apt-inst/deb/dpkgdb.cc
index 3112acdb..819c123f 100644
--- a/apt-inst/deb/dpkgdb.cc
+++ b/apt-inst/deb/dpkgdb.cc
@@ -21,6 +21,8 @@
 #include <apt-pkg/progress.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/filelist.h>
 
 #include <stdio.h>
 #include <errno.h>
diff --git a/apt-inst/deb/dpkgdb.h b/apt-inst/deb/dpkgdb.h
index 3656929a..f28563a9 100644
--- a/apt-inst/deb/dpkgdb.h
+++ b/apt-inst/deb/dpkgdb.h
@@ -22,6 +22,11 @@
 
 #include <apt-pkg/database.h>
 
+#include <string>
+
+class DynamicMMap;
+class OpProgress;
+
 class debDpkgDB : public pkgDataBase
 {
    protected:
diff --git a/apt-inst/extract.cc b/apt-inst/extract.cc
index d48ff63a..29e16302 100644
--- a/apt-inst/extract.cc
+++ b/apt-inst/extract.cc
@@ -49,6 +49,7 @@
 #include <apt-pkg/extract.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/debversion.h>
+#include <apt-pkg/fileutl.h>
 
 #include <sys/stat.h>
 #include <stdio.h>
diff --git a/apt-inst/filelist.h b/apt-inst/filelist.h
index 69c483e7..0405d61d 100644
--- a/apt-inst/filelist.h
+++ b/apt-inst/filelist.h
@@ -28,9 +28,10 @@
 #ifndef PKGLIB_FILELIST_H
 #define PKGLIB_FILELIST_H
 
+#include <apt-pkg/mmap.h>
 
 #include <cstring>
-#include <apt-pkg/mmap.h>
+#include <string>
 
 class pkgFLCache
 {