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[Build] Enforce targets are not built more than necessary

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CyrIng
2025-07-09 18:52:27 +02:00
parent a5ca660a50
commit d0775f73c2
1 changed files with 10 additions and 9 deletions
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19
Makefile
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@@ -139,15 +139,14 @@ $(error Target 'clean' must be run alone: See 'make help')
endif
endif
ifneq ($(filter prepare,$(MAKECMDGOALS)),)
$(error Target 'prepare' is internal. See 'make help')
ifneq ($(filter $(BUILD)/.prepare-stamp,$(MAKECMDGOALS)),)
$(error Target '$(BUILD)/.prepare-stamp' is internal. See 'make help')
endif
.PHONY: all
all: prepare corefreqd corefreq-cli corefreqk.ko | prepare
all: $(BUILD)/.prepare-stamp corefreqd corefreq-cli corefreqk.ko | $(BUILD)/.prepare-stamp
.PHONY: prepare
prepare:
$(BUILD)/.prepare-stamp:
@if [ ! -d $(BUILD) ]; then \
if [ ${SILENT} -eq 0 ]; then \
echo " MD [$(BUILD)]"; \
@@ -175,9 +174,10 @@ prepare:
fi; \
$(SYMLINK) ../../$(HW)/corefreqk.c corefreqk.c; \
cd ../..; \
fi
fi; \
touch $@
$(BUILD)/corefreqk.ko: prepare
$(BUILD)/corefreqk.ko: $(BUILD)/.prepare-stamp
@if [ -e $(BUILD)/Makefile ]; then \
if [ -z ${V} ]; then \
$(MAKE) --no-print-directory -C $(KERNELDIR) \
@@ -281,6 +281,7 @@ clean:
$(RMDIR) $(BUILD)/module; \
fi; \
if [ -d $(BUILD) ] && [ -z "$(ls -A $(BUILD))" ]; then \
$(RM) $(BUILD)/.prepare-stamp; \
if [ ${SILENT} -eq 0 ]; then echo " RD [$(BUILD)]"; fi; \
$(RMDIR) $(BUILD); \
fi
@@ -295,7 +296,7 @@ $(BUILD)/corefreqd.o: $(HW)/corefreqd.c
$(CC)) $(OPTIM_FLG) $(WARNING) -pthread $(DEFINITIONS) \
-c $(HW)/corefreqd.c -o $(BUILD)/corefreqd.o
$(BUILD)/corefreqd: prepare $(BUILD)/corefreqd.o $(BUILD)/corefreqm.o
$(BUILD)/corefreqd: $(BUILD)/.prepare-stamp $(BUILD)/corefreqd.o $(BUILD)/corefreqm.o
$(if $(V), $(CC), @if [ ${SILENT} -eq 0 ]; then echo " LD [$@]"; fi; \
$(CC)) $(OPTIM_FLG) -o $(BUILD)/corefreqd \
$(BUILD)/corefreqd.o $(BUILD)/corefreqm.o -lpthread -lm -lrt -lc
@@ -328,7 +329,7 @@ $(BUILD)/corefreq-cli-extra.o: $(HW)/corefreq-cli-extra.c
$(CC)) $(OPTIM_FLG) $(WARNING) $(DEFINITIONS) \
-c $(HW)/corefreq-cli-extra.c -o $(BUILD)/corefreq-cli-extra.o
$(BUILD)/corefreq-cli: prepare \
$(BUILD)/corefreq-cli: $(BUILD)/.prepare-stamp \
$(BUILD)/corefreq-cli.o \
$(BUILD)/corefreq-ui.o \
$(BUILD)/corefreq-cli-rsc.o \