Re: [FFmpeg-devel] [PATCH] confgure: create quick access fate samples link

2014-09-03 Thread Michael Niedermayer
On Wed, Sep 03, 2014 at 10:29:32PM +0200, Reimar Döffinger wrote:
> On 03.09.2014, at 22:09, Michael Niedermayer  wrote:
> > On Wed, Sep 03, 2014 at 08:46:04PM +0200, Reimar Döffinger wrote:
> >> On 03.09.2014, at 18:49, Michael Niedermayer  wrote:
> >>> This allows using fs/ from the directory where ffmpeg 
> >>> was build
> >>> for example in bug reports.
> >>> 
> >>> Alternatively this could be created from the Makefile
> >>> 
> >>> This of course works only on OS and file-systems which support links
> >> 
> >> Not sure what ln_s is or does, but there are cases where ln -s will have a 
> >> dummy implementation that does cp instead.
> >> Especially for this reason I rather don't like having this as something 
> >> that is enabled by default.
> > 
> > the code checks if theres real link support before linking the
> > fate samples
> > if its not supported nothing is created
> 
> Ah, so that's what all that code is there for :)
> Then I change my comment to request that you added a comment saying it checks 
> for working ln.
> I'd also suggest that one of the clean make targets should remove the link.
> And maybe we should remove it in configure as well before (re-)creating or 
> does it already handle that, too, and I missed it?

the ln_s includes a -f(orce)

[...]
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Re: [FFmpeg-devel] [PATCH] confgure: create quick access fate samples link

2014-09-03 Thread Reimar Döffinger
On 03.09.2014, at 22:09, Michael Niedermayer  wrote:
> On Wed, Sep 03, 2014 at 08:46:04PM +0200, Reimar Döffinger wrote:
>> On 03.09.2014, at 18:49, Michael Niedermayer  wrote:
>>> This allows using fs/ from the directory where ffmpeg 
>>> was build
>>> for example in bug reports.
>>> 
>>> Alternatively this could be created from the Makefile
>>> 
>>> This of course works only on OS and file-systems which support links
>> 
>> Not sure what ln_s is or does, but there are cases where ln -s will have a 
>> dummy implementation that does cp instead.
>> Especially for this reason I rather don't like having this as something that 
>> is enabled by default.
> 
> the code checks if theres real link support before linking the
> fate samples
> if its not supported nothing is created

Ah, so that's what all that code is there for :)
Then I change my comment to request that you added a comment saying it checks 
for working ln.
I'd also suggest that one of the clean make targets should remove the link.
And maybe we should remove it in configure as well before (re-)creating or does 
it already handle that, too, and I missed it?
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Re: [FFmpeg-devel] [PATCH] confgure: create quick access fate samples link

2014-09-03 Thread Michael Niedermayer
On Wed, Sep 03, 2014 at 08:46:04PM +0200, Reimar Döffinger wrote:
> On 03.09.2014, at 18:49, Michael Niedermayer  wrote:
> > This allows using fs/ from the directory where ffmpeg 
> > was build
> > for example in bug reports.
> > 
> > Alternatively this could be created from the Makefile
> > 
> > This of course works only on OS and file-systems which support links
> 
> Not sure what ln_s is or does, but there are cases where ln -s will have a 
> dummy implementation that does cp instead.
> Especially for this reason I rather don't like having this as something that 
> is enabled by default.

the code checks if theres real link support before linking the
fate samples
if its not supported nothing is created

[...]

-- 
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Old school: Use the lowest level language in which you can solve the problem
conveniently.
New school: Use the highest level language in which the latest supercomputer
can solve the problem without the user falling asleep waiting.


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Re: [FFmpeg-devel] [PATCH] confgure: create quick access fate samples link

2014-09-03 Thread Reimar Döffinger
On 03.09.2014, at 18:49, Michael Niedermayer  wrote:
> This allows using fs/ from the directory where ffmpeg was 
> build
> for example in bug reports.
> 
> Alternatively this could be created from the Makefile
> 
> This of course works only on OS and file-systems which support links

Not sure what ln_s is or does, but there are cases where ln -s will have a 
dummy implementation that does cp instead.
Especially for this reason I rather don't like having this as something that is 
enabled by default.
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[FFmpeg-devel] [PATCH] confgure: create quick access fate samples link

2014-09-03 Thread Michael Niedermayer
This allows using fs/ from the directory where ffmpeg was 
build
for example in bug reports.

Alternatively this could be created from the Makefile

This of course works only on OS and file-systems which support links

Signed-off-by: Michael Niedermayer 
---
 configure |8 
 1 file changed, 8 insertions(+)

diff --git a/configure b/configure
index b1814db..919f2fb 100755
--- a/configure
+++ b/configure
@@ -5705,3 +5705,11 @@ pkgconfig_generate libpostproc   "FFmpeg postprocessing 
library""$LIBPOS
 pkgconfig_generate libavresample "Libav audio resampling library"   
"$LIBAVRESAMPLE_VERSION" "$LIBM"
 pkgconfig_generate libswscale"FFmpeg image rescaling library"   
"$LIBSWSCALE_VERSION""$LIBM"
 pkgconfig_generate libswresample "FFmpeg audio resampling library"  
"$LIBSWRESAMPLE_VERSION" "$LIBM"
+
+#Create quick access fate samples link
+if test -n "$samples" ;then
+echo A > $TMPH
+$ln_s -T $TMPH fs
+echo B > fs
+grep -q B $TMPH && $ln_s -T "$samples" fs
+fi
-- 
1.7.9.5

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