liburcu_0.5.4.bb: Let it build on uclibc targets
uclibc requires -D_GNU_SOURCE to be defined for it to enable GNU extensions which CPU_SET/CPU_ZERO are used by this package. So we add -D_GNU_SOURCE to CFLAGS when compiling for uclibc. (From OE-Core rev: fdbcf8eea9d83a8040157d8a5bb6febae5eb9a14) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -15,7 +15,7 @@ SRC_URI[md5sum] = "04147d24749be75200173859839207f7"
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SRC_URI[sha256sum] = "02aedbb16c16bd034e246d5c9637a9232be559c66fc2fe4eb28948e234bd89f1"
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S = "${WORKDIR}/userspace-rcu-${PV}"
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CFLAGS_append_libc-uclibc = " -D_GNU_SOURCE"
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inherit autotools
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# liburcu, which is only used by lttng-ust, may not build on other
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