From 6f045d91850bab9b78c3283f1b2e230fd18751b4 Mon Sep 17 00:00:00 2001
From: Leandro Lucarella <llucarella@integratech.com.ar>
Date: Tue, 22 Sep 2009 12:09:59 -0300
Subject: [PATCH] Add a valgrind function

The new valgrind function runs a command through valgrind if $(VALGRIND) is
non-empty. This is generally useful to use in the "test" goals.
---
 Lib.mak | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Lib.mak b/Lib.mak
index f948eca..6893b46 100644
--- a/Lib.mak
+++ b/Lib.mak
@@ -29,6 +29,17 @@ IFLAGS ?= -D
 # Use pre-compiled headers if non-empty
 GCH ?=
 
+# If non-empty, use valgrind to run commands via the "valgrind" function
+VALGRIND ?=
+
+# Options to pass to valgrind; if the variable $(VALGRIND_SUPP) is non-empty
+# it will be used as a suppressions file.
+VALGRIND_CMD ?= valgrind --tool=memcheck --leak-check=yes --db-attach=no \
+		--num-callers=24 --leak-resolution=high --track-fds=yes \
+		--error-exitcode=1 \
+		$(if $V,--log-file=$<.valgrind.log) \
+		$(if $(VALGRIND_SUPP),--suppressions=$(VALGRIND_SUPP))
+
 
 # Directories
 ##############
@@ -223,6 +234,15 @@ S := $$(_parent__$d__dir_)
 endef
 include_subdirs = $(foreach d,$1,$(eval $(build_subdir_code)))
 
+# Run a command through valgrind if $(VALGRIND) is non-empty.  The first and
+# only argument is the command to.  If $(VALGRIND) is empty, the command is
+# executed as passed to this function.  If valgrind is used, the
+# $(VALGRIND_CMD) is prepended to the command to run.  See VALGRIND_CMD
+# definition for extra options that can be passed as make variables.
+valgrind = $(call exec,$(if $(VALGRIND),$(VALGRIND_CMD)) $1,\
+		$(if $(VALGRIND),[$(firstword $(VALGRIND_CMD))], ),\
+		$(firstword $1))
+
 
 # Overridden flags
 ##################
-- 
2.43.0