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Subject[PATCH 1/3] perf jvmti: Link against tools/lib/string.h to have weak strlcpy()
Date
That is needed in systems such some S/390 distros.

[root@m35lp76 perf]# readelf -s jvmti/jvmti-in.o | fgrep strlcpy
408: 0000000000002bc8 216 FUNC WEAK DEFAULT 116 strlcpy
[root@m35lp76 perf]#

Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
---
tools/perf/jvmti/Build | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/tools/perf/jvmti/Build b/tools/perf/jvmti/Build
index eaeb8cb5379b..202cadaaf097 100644
--- a/tools/perf/jvmti/Build
+++ b/tools/perf/jvmti/Build
@@ -1,8 +1,21 @@
jvmti-y += libjvmti.o
jvmti-y += jvmti_agent.o

+# For strlcpy
+jvmti-y += libstring.o libctype.o
+
CFLAGS_jvmti = -fPIC -DPIC -I$(JDIR)/include -I$(JDIR)/include/linux
CFLAGS_REMOVE_jvmti = -Wmissing-declarations
CFLAGS_REMOVE_jvmti += -Wstrict-prototypes
CFLAGS_REMOVE_jvmti += -Wextra
CFLAGS_REMOVE_jvmti += -Wwrite-strings
+
+CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PERFCONFIG_SQ))"
+
+$(OUTPUT)jvmti/libstring.o: ../lib/string.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
+
+$(OUTPUT)jvmti/libctype.o: ../lib/ctype.c FORCE
+ $(call rule_mkdir)
+ $(call if_changed_dep,cc_o_c)
--
2.21.0
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