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Re: Generate objects in right directory


From: Jeroen N. Witmond [Bahco]
Subject: Re: Generate objects in right directory
Date: Mon, 8 Sep 2008 18:53:46 +0200 (CEST)
User-agent: SquirrelMail/1.4.11

My comments inline.

Sebastien REYNES wrote:
> Here is more precision about the problem :
>
> In the file Makefile.am of a module "ate_calcul_diametre_rayon", I have
> added the following line :
> AUTOMAKE_OPTIONS = subdir-objects

This tells automake to store the objects in subdirectories of the top
build directory, not what the top build directory is.

> In the configure.ac of the root (/home/devbdie), I have have added the
> following line :
> AM_PROG_CC_C_O(/home/devbdie/obj/)

I can't find any documentation on the argument of AM_PROG_CC_C_O, or
AC_PROG_CC_C_O to which it refers. Can anyvody enlighten me?

> Then I have launched ./configure.

Because you invoke ./configure in your top source directory, this
directory will also become your top build directory. To use a different
top build directory do

$ mkdir path/to/top/build/directory
$ cd path/to/top/build/directory
$ abs/or/rel/path/to/top/source/directory/configure
$ make

> When I launched the command make from the directory
> /home/devbdie/src/ate_calcul_diametre_rayon, the objects files *.o are
> still
> generated in the current directory, not in the directory
> /home/devbdie/obj/ate_calcul_diametre_rayon

`make` should always be invoked in the build directory. In your case this
is the same as the source directory (see above), so this result is
correct.

Hope this helps.

Jeroen.

> ----- Original Message -----
> From: "Sebastien REYNES" <address@hidden>
> To: "Jeroen N. Witmond [Bahco]" <address@hidden>
> Cc: <address@hidden>; <address@hidden>
> Sent: Monday, September 08, 2008 10:42 AM
> Subject: Re: Generate objects in right directory
>
>
>> It doesn't work : this command don't change the target directory of the
>> objects files. When I launch the make command from a source directory,
>> the
>> objects files are generated in the same directory. How can I do ?
>> Thank you.
>>
>> ----- Original Message -----
>> From: "Jeroen N. Witmond [Bahco]" <address@hidden>
>> To: "Sebastien REYNES" <address@hidden>
>> Cc: <address@hidden>; <address@hidden>
>> Sent: Friday, September 05, 2008 5:09 PM
>> Subject: Re: Generate objects in right directory
>>
>>
>> > Add
>> >   AUTOMAKE_OPTIONS = subdir-objects
>> > to the Makefile.am
>> >
>> > > Yes I have read this but I believe this solution don't answer to my
>> need.
>> > > In fact, I must to respect this treeview from root :
>> > >
>> > > /home/devbdie/
>> > > configure.ac
>> > > Makefile
>> > > Makefile.am
>> > > ...
>> > > /home/devbdie/src/module1/
>> > > Makefile
>> > > Makefile.am
>> > > module1.c
>> > > ...
>> > > /home/devbdie/src/module2/
>> > > Makefile
>> > > Makefile.am
>> > > module2.c
>> > > ...
>> > > /home/devbdie/obj/module1
>> > > module1.o
>> > > ...
>> > > /home/devbdie/obj/module2
>> > > module2.o
>> > > ...
>> > > /home/devbdie/bin/
>> > > module1
>> > > module2
>> > > ...
>> > >
>> > >
>> > > I would like to put automatically the files *.o in the appropriate
>> > > directory. When I launch "make" from the root, object files have to
>> be
>> > > generated into all objects directories. When I launch "make" from a
>> source
>> > > directory, src/module1 for exemple, the object files corresponding
> have
>> to
>> > > be generated into obj/module1 only).
>> > > I hope this time my description is more clear. Do you see a simple
>> > > solution ?
>> > >
>> > > Regards,
>> > > S├ębastien
>> > >
>> > >
>> > >
>> >
>> >
>>
>
>






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