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-rw-r--r--tools/bpf/bpftool/Documentation/Makefile5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/Documentation/Makefile b/tools/bpf/bpftool/Documentation/Makefile
index c462a928e03d..a9d47c1558bb 100644
--- a/tools/bpf/bpftool/Documentation/Makefile
+++ b/tools/bpf/bpftool/Documentation/Makefile
@@ -23,7 +23,12 @@ DOC_MAN8 = $(addprefix $(OUTPUT),$(_DOC_MAN8))
man: man8
man8: $(DOC_MAN8)
+RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
+
$(OUTPUT)%.8: %.rst
+ifndef RST2MAN_DEP
+ $(error "rst2man not found, but required to generate man pages")
+endif
$(QUIET_GEN)rst2man $< > $@
clean:

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