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-rw-r--r--Makefile.build8
1 files changed, 6 insertions, 2 deletions
diff --git a/Makefile.build b/Makefile.build
index 4b9dd34f4..73a98363d 100644
--- a/Makefile.build
+++ b/Makefile.build
@@ -78,9 +78,13 @@ COQ_XML= # is "-xml" when building XML library
VM= # is "-no-vm" to not use the vm"
UNBOXEDVALUES= # is "-unboxed-values" to use unboxed values
COQOPTS=$(COQ_XML) $(VM) $(UNBOXEDVALUES)
-TIME= # is "'time -p'" to get compilation time of .v
+TIMECMD= # is "'time -p'" to get compilation time of .v
-BOOTCOQTOP:=$(TIME) $(BESTCOQTOP) -boot $(COQOPTS)
+# NB: variable TIME, if set, is the formatting string for unix command 'time'.
+# For instance:
+# TIME="%C (%U user, %S sys, %e total, %M maxres)"
+
+BOOTCOQTOP:=$(TIMECMD) $(BESTCOQTOP) -boot $(COQOPTS)
###########################################################################
# Infrastructure for the rest of the Makefile