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-rw-r--r--tools/perf/config/utilities.mak10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak
index 8046182a19eb..e5413125e6bb 100644
--- a/tools/perf/config/utilities.mak
+++ b/tools/perf/config/utilities.mak
@@ -180,9 +180,15 @@ _gea_warn = $(warning The path '$(1)' is not executable.)
_gea_err = $(if $(1),$(error Please set '$(1)' appropriately))
# try-cc
-# Usage: option = $(call try-cc, source-to-build, cc-options)
+# Usage: option = $(call try-cc, source-to-build, cc-options, msg)
+ifndef V
+TRY_CC_OUTPUT= > /dev/null 2>&1
+endif
+TRY_CC_MSG=echo " CHK $(3)" 1>&2;
+
try-cc = $(shell sh -c \
'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \
+ $(TRY_CC_MSG) \
echo "$(1)" | \
- $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \
+ $(CC) -x c - $(2) -o "$$TMP" $(TRY_CC_OUTPUT) && echo y; \
rm -f "$$TMP"')