package/vlc: use BR2_TOOLCHAIN_HAS_LIBATOMIC
While fixing http://autobuild.buildroot.net/results/d95/d9572bcafc1776eebe88bbcaf031a05cd6ee4b23/ by using http://patchwork.ozlabs.org/patch/674337/ the build stopped at a later stage with /home/buildroot/br4/output/build/vlc-2.2.4/src/.libs/libvlccore.so: undefined reference to `__atomic_fetch_add_4' /home/buildroot/br4/output/build/vlc-2.2.4/src/.libs/libvlccore.so: undefined reference to `__atomic_fetch_sub_4' /home/buildroot/br4/output/build/vlc-2.2.4/src/.libs/libvlccore.so: undefined reference to `__atomic_fetch_or_1' /home/buildroot/br4/output/build/vlc-2.2.4/src/.libs/libvlccore.so: undefined reference to `__atomic_compare_exchange_4' /home/buildroot/br4/output/build/vlc-2.2.4/src/.libs/libvlccore.so: undefined reference to `__atomic_exchange_1' collect2: error: ld returned 1 exit status so libatomic must be pulled in if necessary. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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@ -56,6 +56,11 @@ VLC_CONF_OPTS += \
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--disable-addonmanagermodules \
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--enable-run-as-root \
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# Uses __atomic_fetch_add_4
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ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
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VLC_CONF_ENV += LIBS="-latomic"
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endif
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# Building static and shared doesn't work, so force static off.
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ifeq ($(BR2_STATIC_LIBS),)
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VLC_CONF_OPTS += --disable-static
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