[lazarus] CVS Updatesuy

[Mattias Gaertner]

On Wed, 18 Jun 2003 20:46:27 +0200 (CEST)
Michael.VanCanneyt at wisa.be wrote:

> 
> 
> On Wed, 18 Jun 2003, Mattias Gaertner wrote:
> 
> > On Wed, 18 Jun 2003 20:08:10 +0200 (CEST)
> > Michael.VanCanneyt at wisa.be wrote:
> >
> > >
> > >
> > > On Wed, 18 Jun 2003, Mattias Gaertner wrote:
> > >
> > > > On Wed, 18 Jun 2003 18:57:47 +0200 (W. Europe Daylight Time)
> > > > Michael Van Canneyt <michael.vancanneyt at wisa.be> wrote:
> > > >
> > > > >
> > > > > > The lpi only uses absolute filenames if the file is not in the
> > > > > > project directory. Can you give the full filenames?
> > > > >
> > > > > Delphi always uses filenames relative to the project directory.
> > > > > SysUtils contains a function ExtractRelativePath() which does this
> > > > > for you.
> > > >
> > > > This will will raise other problems.
> > > > For example ExtractRelativepath('/home/bla/','/tmp/some.txt')
> > > > results in'../../tmp/some.txt'. Moving the project to /home/ will
> > > > not find the file any longer.
> > > > The purpose of relative filenames is, that the project and all its
> > > > files can be transferred easily to another location. Normally this
> > > > means moving the project directory.
> > >
> > > >
> > > > The ExtractRelativepath will only help, if you spread your project
> > > > over several directories:
> > > >
> > > > /home/projects/projectdir/project1.lpi
> > > > /home/projects/otherdir/unit1.pas
> > >
> > > I suppose that 99% of all projects will be one directory containing
> > > the project file, and all other files in directories. Lazarus itself
> > > is such a project.
> > >
> > > So for 99% of all cases, using the relative path helps in keeping your
> > > project moveable.
> > >
> > > This is useful for instance if you have 2 branches in CVS. If you
> > > check out the branches in different directories
> > > /home/me/projects/myproject (+ subdirs)
> > >
> > > Check out two copies, one for each branch:
> > > /home/me/projects/myproject-main
> > > /home/me/projects/myproject_fixes
> > >
> > > If you keep relative paths, this will work. With absolute paths, you
> > > must rename all files.
> > >
> > > I think that keeping relative paths is a solution. If you use files
> > > totally outside the project dir, then the IDE can simply store the
> > > absolute path. But all subdirectories should be as relative paths. It
> > > is a small check to do this, finally. If extractrelativepath starts
> > > with .., just use the absolute path.  In all other cases, use the
> > > relative path.
> >
> > ?
> > Is this not the same as simply cutting the project directory from the
> > filename?
> 
> ? Actually, yes it is :-)
> 
> But if I understood correctly, now complete filenames are used ?

The IDE cuts the project directory from the filenames, before saving the
lpi. I don't know why Marco has some files, that were not cut. It seems, the
unit was not in the project directory, as he saved. But why?


Mattias