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[PATCH v2] tests/xenstore: link in librt if necessary
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 17 Aug 2021 16:18:54 +0200
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- Cc: Ian Jackson <iwj@xxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Julien Grall <julien@xxxxxxx>
- Delivery-date: Tue, 17 Aug 2021 14:19:16 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Old enough glibc has clock_gettime() in librt.so, hence the library
needs to be specified to the linker. Newer glibc has the symbol
available in both libraries, so make sure that libc.so is preferred (to
avoid an unnecessary dependency on librt.so).
Fixes: 93c9edbef51b ("tests/xenstore: Rework Makefile")
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
v2: Use --as-needed and put last in LDFLAGS. Restict to just Linux.
--- a/tools/tests/xenstore/Makefile
+++ b/tools/tests/xenstore/Makefile
@@ -33,6 +33,9 @@ CFLAGS += $(APPEND_CFLAGS)
LDFLAGS += $(LDLIBS_libxenstore)
LDFLAGS += $(APPEND_LDFLAGS)
+ifeq ($(CONFIG_Linux),y)
+LDFLAGS += -Wl,--as-needed -lc -lrt
+endif
%.o: Makefile
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