[FFmpeg-user] --extra-ldflags not working

Reindl Harald h.reindl at thelounge.net
Sun Mar 27 15:33:42 CEST 2016



Am 27.03.2016 um 15:23 schrieb Aaron Boxer:
> Dear List,
> I am still troubleshooting linking to a local build of openjpeg.
>
> This is a static build of openjpeg, and the library  libopenjp2.a
> is placed in the /usr/local/lib folder.
>
> (I am on Ubuntu)
>
> My configure command is:
>
> . $ ./configure --enable-libopenjpeg
> --extra_cflags="-DHAVE_OPEN_OPENJPEG_2_1_OPENJPEG_H"
> --extra-ldflags="-L/usr/local/lib"
>
> But this fails with a "libopenjpeg not found" error

.a files are for static linking
.so files are for dynamic linking

--enable-static --extra-cflags='-I/usr/local/x264' 
--extra-ldflags='-I/usr/local/x264 -L/usr/local/x264 -ldl'

[root at buildserver:~]$ ls /usr/local/x264/
insgesamt 6,0M
-rw-r--r-- 1 root root 5,9M 2016-03-19 23:09 libx264.a
-rw-r--r-- 1 root root  172 2016-03-19 23:09 x264_config.h
-rw-r--r-- 1 root root  46K 2016-03-19 23:09 x264.h
[root at buildserver:~]$

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