protobuf: link with libatomic when needed
The protobuf library uses atomic intrinsics, so we need to link against libatomic. Fixes the build of protobuf on Sparc: http://autobuild.buildroot.net/results/f3d76eaebd529a61bce849e355182c60f233ed06/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -17,6 +17,10 @@ PROTOBUF_LICENSE_FILES = LICENSE
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PROTOBUF_DEPENDENCIES = host-protobuf
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PROTOBUF_DEPENDENCIES = host-protobuf
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PROTOBUF_CONF_OPTS = --with-protoc=$(HOST_DIR)/usr/bin/protoc
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PROTOBUF_CONF_OPTS = --with-protoc=$(HOST_DIR)/usr/bin/protoc
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ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
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PROTOBUF_CONF_ENV += LIBS=-latomic
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endif
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PROTOBUF_INSTALL_STAGING = YES
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PROTOBUF_INSTALL_STAGING = YES
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PROTOBUF_PATCH = https://github.com/google/protobuf/commit/416f90939d4de58fe1a4e2489120010313183291.patch
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PROTOBUF_PATCH = https://github.com/google/protobuf/commit/416f90939d4de58fe1a4e2489120010313183291.patch
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