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package/mplayer: add optional support for mpg123

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mplayer has optional support for mpg123, to get reproducable builds
add mpg123 as optional dependency.

Linked libraries without this patch:
$ output/host/usr/bin/x86_64-linux-readelf -a output/target/usr/bin/mplayer | grep NEEDED
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libpthread.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libdl.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libm.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.1]

Linked libraries after this patch:
$ output/host/usr/bin/x86_64-linux-readelf -a output/target/usr/bin/mplayer | grep NEEDED
 0x0000000000000001 (NEEDED)             Shared library: [librt.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libmpg123.so.0]
 0x0000000000000001 (NEEDED)             Shared library: [libpthread.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libdl.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libm.so.1]
 0x0000000000000001 (NEEDED)             Shared library: [libc.so.1]

Like with many other optional libraries detection of mpg123 is broken if
--enable-mpg123 is passed to configure leading to a build error:

libmpcodecs/ad_mpg123.o: In function `set_format':
ad_mpg123.c:(.text+0x63): undefined reference to `mpg123_getformat'
libmpcodecs/ad_mpg123.o: In function `decode_a_bit':
ad_mpg123.c:(.text+0x1b6): undefined reference to `mpg123_feed'
ad_mpg123.c:(.text+0x20e): undefined reference to `mpg123_replace_buffer'
ad_mpg123.c:(.text+0x223): undefined reference to `mpg123_decode_frame_64'
ad_mpg123.c:(.text+0x275): undefined reference to `mpg123_strerror'
[...]

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Bernd Kuhls 2016-06-04 10:00:20 +02:00 committed by Thomas Petazzoni
parent 0b69faf716
commit 3bc7d72c7a
1 changed files with 8 additions and 0 deletions
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8
package/mplayer/mplayer.mk
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@ -174,6 +174,14 @@ MPLAYER_DEPENDENCIES += libmpeg2
MPLAYER_CONF_OPTS += --disable-libmpeg2-internal MPLAYER_CONF_OPTS += --disable-libmpeg2-internal
endif endif
# We intentionally don't pass --enable-mpg123, to let the
# autodetection find which library to link with.
ifeq ($(BR2_PACKAGE_MPG123),y)
MPLAYER_DEPENDENCIES += mpg123
else
MPLAYER_CONF_OPTS += --disable-mpg123
endif
ifeq ($(BR2_PACKAGE_TREMOR),y) ifeq ($(BR2_PACKAGE_TREMOR),y)
MPLAYER_DEPENDENCIES += tremor MPLAYER_DEPENDENCIES += tremor
MPLAYER_CONF_OPTS += --enable-tremor MPLAYER_CONF_OPTS += --enable-tremor