ext: add the source code for DSENT

This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.

1 files changed, 43 insertions, 0 deletions

diff --git a/ext/dsent/libutil/Makefile b/ext/dsent/libutil/Makefile
new file mode 100644
index 000000000..150028346
--- /dev/null
+++ b/ext/dsent/libutil/Makefile
@@ -0,0 +1,43 @@
+
+# Define the directories that will be compiled
+DIRS_TO_COMPILE := . \
+
+DIRS = $(patsubst %,$(CURDIR)/%,$(DIRS_TO_COMPILE))
+
+SRCS = $(foreach dir, $(DIRS), $(wildcard $(dir)/*.cc))
+
+OBJS = $(SRCS:%.cc=%.o)
+
+DEF_FLAGS = 
+
+ifdef LIBUTIL_IS_LOG
+	LIBUTIL_IS_LOG = true
+else
+	LIBUTIL_IS_LOG = false
+endif
+DEF_FLAGS += -DLIBUTIL_IS_LOG=$(LIBUTIL_IS_LOG)
+
+INCLUDE_FLAGS = $(foreach dir, $(DIRS), -I$(dir))
+OPT_FLAGS = -O2 -g 
+WARN_FLAGS = -pedantic -Wall -W -Wextra -Werror
+CXXFLAGS = $(OPT_FLAGS) $(WARN_FLAGS) $(INCLUDE_FLAGS) $(DEF_FLAGS)
+
+TARGET = $(CURDIR)/libutil.a
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+	ar rcs $@ $^
+#$(TARGET): $(OBJS)
+#	$(CXX) $(CXXFLAGS) $^ -o $(TARGET)
+
+%.o: %.cc
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+%/created:
+	mkdir -p $(dir $@)
+	touch $@
+
+clean:
+	$(RM) -rf $(OBJS) $(TARGET)
+