[Scons-users] Strage behavior of Alias() method for executables on unix platforms

[Alexey Petruchik]

Actually variant_dir in this example is useless. Removing variant_dir
changes nothing because "scons some_program" still works, but this time
like "scons src/some_program". And I wonder how expected behavior could
be non consistent across multiple platforms.

On Thu, Jul 5, 2012 at 4:17 AM, Greg Ward <greg at gerg.ca> wrote:


> On 05 July 2012, Alexey Petruchik said:

> > Hi, everybody. Noticed one strange behavior in scons. He is very simple

> > test project: https://bitbucket.org/stopiccot/scons_alias_bug2

> > There are two targets in it. Because of "build" variant dir for building

> > program I need to write to terminal "scons build/some_program" or "scons

> > build/libsome_library.dylib" (I'm using mac) to build this targets. I've

> > added two empty aliases 'some_program' and 'some_library'. And when I

> write

> > to console "scons some_library" I get "Nothing to be done for

> > `some_library'." as expected because I haven't assigned anything for this

> > alias but for "scons some_program" it actually builds program target as

> if

> > I had wrote "scons build/some_program".

>

> Are you using VariantDir() to put things in build/? If so, I believe

> you are seeing expected behaviour here.

>

> However, it's unclear what SCons is supposed to do if you define an

> Alias with the same name as a target file. Sounds like the file takes

> precedence over the alias. Would be nice if it printed a warning when

> you do this.

>

>        Greg

> --

> Greg Ward                                http://www.gerg.ca/

> I'm on a strict vegetarian diet -- I only eat vegetarians.

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