# Makefile for building programs with whole-program interfile optimization
###################################################################################################
OPT := -fwhole-program -combine -03# -DNDEBUG
-CFLAGS := -g -Wall -Werror -std=c99 -m64 -fnested-functions $(OPT)# -DENABLE_TRACE
+CFLAGS := -g -Wall -Werror -std=c99 -m64 $(OPT) #-DENABLE_TRACE
INCS := $(addprefix -I, include)
TESTS := output/ll_test output/sl_test output/ht_test output/rcu_test
EXES := $(TESTS)
###################################################################################################
# Rebuild an executable if any of it's source files need to be recompiled
#
-# Note: Calculating dependancies as a side-effect of compilation is disabled. There is a bug in
+# Note: Calculating dependencies as a side-effect of compilation is disabled. There is a bug in
# gcc. Compilation fails when -MM -MF is used and there is more than one source file.
-# -MM -MT $@.d -MF $@.d
+# Otherwise "-MM -MT $@.d -MF $@.d" should be part of the command line for the compile.
+#
+# Also, when calculating dependencies -combine is removed from CFLAGS because of another bug
+# in gcc. It chokes when -MM is used with -combine.
###################################################################################################
$(EXES): output/% : output/%.d makefile
+ gcc $(CFLAGS:-combine:) $(INCS) -MM -MT $@ $($*_SRCS) > $@.d
gcc $(CFLAGS) $(INCS) -o $@ $($*_SRCS)
###################################################################################################
.PHONY: clean test tags
+-include $(addsuffix .d, $(EXES))
+
###################################################################################################
-# Generate the dependencies lists for each executable
-#
-# Note: -combine is removed from CFLAGS because of a bug in gcc. The compiler chokes when
-# -MM is used with -combine.
+# Dummy rule for boostrapping dependency files
###################################################################################################
$(addsuffix .d, $(EXES)) : output/%.d :
- gcc $(CFLAGS:-combine:) $(INCS) -MM -MT $@ $($*_SRCS) > $@
-
--include $(addsuffix .d, $(EXES))
+ touch $@