[Buildroot] [git commit] protobuf: link with libatomic when needed
Peter Korsgaard
peter at korsgaard.com
Tue May 16 21:00:26 UTC 2017
commit: https://git.buildroot.net/buildroot/commit/?id=ef9ffa3426edc895dc180d45b48bf305522b3450
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
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 at free-electrons.com>
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
package/protobuf/protobuf.mk | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/package/protobuf/protobuf.mk b/package/protobuf/protobuf.mk
index 610da8c..2cd10eb 100644
--- a/package/protobuf/protobuf.mk
+++ b/package/protobuf/protobuf.mk
@@ -17,6 +17,10 @@ PROTOBUF_LICENSE_FILES = LICENSE
PROTOBUF_DEPENDENCIES = host-protobuf
PROTOBUF_CONF_OPTS = --with-protoc=$(HOST_DIR)/usr/bin/protoc
+ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
+PROTOBUF_CONF_ENV += LIBS=-latomic
+endif
+
PROTOBUF_INSTALL_STAGING = YES
PROTOBUF_PATCH = https://github.com/google/protobuf/commit/416f90939d4de58fe1a4e2489120010313183291.patch
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