This was a long-standing bug, relative pathnames like O=dir did not fully
work in the build system:
$ make O=localdir clean
SUBDIR Documentation
../../scripts/Makefile.include:3: *** O=localdir does not exist. Stop.
make[1]: *** [clean] Error 2
make: *** [clean] Error 2
Fix this by canonizing the directory before passing it to Makefile.perf.
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
tools/perf/Makefile | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 74f52d8..9580ebe 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -30,12 +30,19 @@ ifeq ($(JOBS),)
endif
endif
+#
+# Only pass canonical directory names as the output directory:
+#
+ifneq ($(O),)
+ FULL_O := $(shell readlink -f $(O))
+endif
+
define print_msg
@printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel
build\n'
endef
define make
- @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) O=$(O) $@
+ @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) O=$(FULL_O) $@
endef
#
--
1.7.11.7
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