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-rw-r--r--tools/perf/Makefile9
-rw-r--r--tools/perf/feature-tests.mak11
-rw-r--r--tools/perf/util/cache.h2
-rw-r--r--tools/perf/util/path.c3
4 files changed, 24 insertions, 1 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index dcb9700..7473de0 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -647,6 +647,15 @@ else
endif
endif
+
+ifdef NO_STRLCPY
+ BASIC_CFLAGS += -DNO_STRLCPY
+else
+ ifneq ($(call try-cc,$(SOURCE_STRLCPY),),y)
+ BASIC_CFLAGS += -DNO_STRLCPY
+ endif
+endif
+
ifndef CC_LD_DYNPATH
ifdef NO_R_TO_GCC_LINKER
# Some gcc does not accept and pass -R to the linker to specify
diff --git a/tools/perf/feature-tests.mak b/tools/perf/feature-tests.mak
index ddb68e6..ef3d0d6 100644
--- a/tools/perf/feature-tests.mak
+++ b/tools/perf/feature-tests.mak
@@ -110,6 +110,17 @@ int main(void)
}
endef
+define SOURCE_STRLCPY
+#include <stdlib.h>
+extern size_t strlcpy(char *dest, const char *src, size_t size);
+
+int main(void)
+{
+ strlcpy(NULL, NULL, 0);
+ return 0;
+}
+endef
+
# try-cc
# Usage: option = $(call try-cc, source-to-build, cc-options)
try-cc = $(shell sh -c \
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 27e9ebe..a772979 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -82,6 +82,8 @@ extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2
extern char *perf_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
+#ifdef NO_STRLCPY
extern size_t strlcpy(char *dest, const char *src, size_t size);
+#endif
#endif /* __PERF_CACHE_H */
diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c
index 58a470d..bd74977 100644
--- a/tools/perf/util/path.c
+++ b/tools/perf/util/path.c
@@ -22,6 +22,7 @@ static const char *get_perf_dir(void)
return ".";
}
+#ifdef NO_STRLCPY
size_t strlcpy(char *dest, const char *src, size_t size)
{
size_t ret = strlen(src);
@@ -33,7 +34,7 @@ size_t strlcpy(char *dest, const char *src, size_t size)
}
return ret;
}
-
+#endif
static char *get_pathname(void)
{
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