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digitalmars.D.bugs - [Issue 4585] New: DMD2 should look for dmd2.conf

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=4585

           Summary: DMD2 should look for dmd2.conf
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: llucax gmail.com



PDT ---
If you want to have both dmd1 and dmd2 installed, the fact that both binaries
look for the same dmd.conf file is a big complication. It would be nice is dmd2
looked for dmd2.conf instead (or at least look for both, but fist for the
dmd2.conf).

Naming the binary dmd2 could be nice too, but that can be done by the user,
changing what config files to search is not possible.

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next sibling parent d-bugmail puremagic.com writes:
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Steven Schveighoffer <schveiguy yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |schveiguy yahoo.com



07:01:34 PDT ---
Better idea:

argv[0] ~ ".conf"

Then you can have things like:

dmd-2.047.conf
dmd-2.041.conf

etc.

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19:50:20 PDT ---
Does argv[0] contain full path to the binary?

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PDT ---


 Does argv[0] contain full path to the binary?


No, at least on unix, is the same command you typed, but you can always do
basename(argv[0]) and search for that file where the dmd binary (which is
already searched by DMD) is, and the other search paths.

So I think is a viable option. I find a little odd that the config file changes
if you change the binary name, but I can see how it can be pragmatic.

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04:41:09 PDT ---




 Does argv[0] contain full path to the binary?


 
 No, at least on unix, is the same command you typed, but you can always do
 basename(argv[0]) and search for that file where the dmd binary (which is
 already searched by DMD) is, and the other search paths.


Yes, you can find the path to the binary, or at least the command being run (if
its a symlink) by searching the PATH.  I think DMD already must do this,
because argv[0] is pretty much what's available to find the executable
directory in the first place.


 So I think is a viable option. I find a little odd that the config file changes
 if you change the binary name, but I can see how it can be pragmatic.


Often, I have several dmd2 compilers that I want to test because I'm working on
bugs in phobos or because I want to know where a regression happened. 
Currently, I have to specify the full path to the exe, it would be nice to just
have them all live in the same directory, and I could then put that dir in my
path.

So your original solution wouldn't work for this.

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Aug 06 2010
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Jacob Carlborg <doob me.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |doob me.com









 Does argv[0] contain full path to the binary?


 
 No, at least on unix, is the same command you typed, but you can always do
 basename(argv[0]) and search for that file where the dmd binary (which is
 already searched by DMD) is, and the other search paths.


 
 Yes, you can find the path to the binary, or at least the command being run (if
 its a symlink) by searching the PATH.  I think DMD already must do this,
 because argv[0] is pretty much what's available to find the executable
 directory in the first place.


There are system functions to get the path to the currently running executable.
I made a function for this to Tango that works on Windows, Linux, Mac OS X and
FreeBSD: http://dsource.org/projects/tango/attachment/ticket/1536/process.d .
I'm willing to license the code to whatever license necessary for inclusion in
dmd.


 So I think is a viable option. I find a little odd that the config file changes
 if you change the binary name, but I can see how it can be pragmatic.


 
 Often, I have several dmd2 compilers that I want to test because I'm working on
 bugs in phobos or because I want to know where a regression happened. 
 Currently, I have to specify the full path to the exe, it would be nice to just
 have them all live in the same directory, and I could then put that dir in my
 path.
 
 So your original solution wouldn't work for this.


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05:35:08 PDT ---


 There are system functions to get the path to the currently running executable.
 I made a function for this to Tango that works on Windows, Linux, Mac OS X and
 FreeBSD: http://dsource.org/projects/tango/attachment/ticket/1536/process.d .
 I'm willing to license the code to whatever license necessary for inclusion in
 dmd.


Thanks for the offer.  But I'd rather not get the exact executable.  I used to
use symlinks to trick dmd into thinking it was in another directory, I don't
want to disable that by having dmd ignore the symlink location.

But your offer is generous, and probably would be good to have in phobos.  I
will keep it in mind! (Phobos' process is due for an update but is blocked by a
nasty compiler bug)

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13:15:18 PDT ---
You either want them to be in one directory or in different.

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