ffmpeg-devel fails to build

[jchauvel@…]

It appears to be a library path error:

:info:build libavdevice/qtkit.m:28:9: fatal error: 'QTKit/QTkit.h' file not found
:info:build #import <QTKit/QTkit.h>
:info:build         ^
:info:build 1 error generated.  hello = lambda: "world"

I'll attach the build log

[jeremyhu (Jeremy Huddleston Sequoia)]

You likely haven't installed system headers. See:

~ $ cat test.m 
#import <QTKit/QTkit.h>

int main() { return 0; }

~ $ clang -c test.m 

[jchauvel@…]

Replying to jeremyhu@…:

You likely haven't installed system headers. See:

~ $ cat test.m 
#import <QTKit/QTkit.h>

int main() { return 0; }

~ $ clang -c test.m 

OK. It's a case-sensitiveness issue. My main partition was formatted with case-sesitive and journaled HFS+. Therefore, clang can't find QTkit.h because on the filesystem is listed as QTKit.h

#import <QTKit/QTKit.h>

int main() { return 0; }

The above code compiles just fine.

[mf2k (Frank Schima)]

In the future, please fill in the Port field and do not Cc openmaintainer@… because it is not a valid email address.

[jeremyhu (Jeremy Huddleston Sequoia)]

Filed upstream to make the fix there: ​https://trac.ffmpeg.org/ticket/3588

[dbevans (David B. Evans)]

The current ffmpeg-devel @20140507_1 contains the upstream fix.

ffmpeg-54ae588 devans$ grep QTKit libavdevice/qtkit.m
 * QTKit input device
 * QTKit input device
#import <QTKit/QTKit.h>
static const AVRational kQTKitTimeBase_q = {
        av_log(ctx, AV_LOG_INFO, "QTKit video devices:\n");
            pkt->pts = pkt->dts = av_rescale_q(av_gettime() - ctx->first_pts, AV_TIME_BASE_Q, kQTKitTimeBase_q);
    .class_name = "QTKit input device",
    .long_name      = NULL_IF_CONFIG_SMALL("QTKit input device"),