thepigeongenerator/mcaselector-lite
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make compile_commands.json file creation be more linked to individual targets, than just having it locally.

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this way, when recompiling for a new target, firstly. A full clean is
not necessary. Secondly, switching between targets updates the symlink
at project root accordingly.
This commit is contained in:
Quinn
2025-04-13 23:59:59 +02:00
committed by Quinn
parent 62e0c149cc
commit ef9f472018
1 changed files with 18 additions and 7 deletions
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25
makefile
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@@ -42,6 +42,8 @@ BIN := $(DIR_BIN)/$(NAME)$(EXT)
C_SRC := $(shell find src/ -name '*.c') C_SRC := $(shell find src/ -name '*.c')
C_OBJ := $(patsubst src/%,$(DIR_OBJ)/%,$(C_SRC:.c=.o)) C_OBJ := $(patsubst src/%,$(DIR_OBJ)/%,$(C_SRC:.c=.o))
C_DEP := $(C_OBJ:.o=.d) C_DEP := $(C_OBJ:.o=.d)
COMPILE_COMMANDS := $(DIR_OBJ)/compile_commands.json
endif endif
define log_col define log_col
@@ -55,7 +57,7 @@ fail = $(call log_col,$(1),91)
# compiles and executes the produced binary # compiles and executes the produced binary
run: compile run: compile
./$(BIN) ./$(BIN)
compile: compile_commands.json $(BIN) compile: compile_commands $(BIN)
clean: clean:
@$(call warn,"cleaning!") @$(call warn,"cleaning!")
rm -rf bin/ obj/ compile_commands.json rm -rf bin/ obj/ compile_commands.json
@@ -79,13 +81,22 @@ $(DIR_OBJ)/%.o: src/%.c
@$(CC) $(CFLAGS) -c -MD -MP -std=$(CSTD) -x c -o $@ $< @$(CC) $(CFLAGS) -c -MD -MP -std=$(CSTD) -x c -o $@ $<
# update compile commands if the makefile has been updated (for linting) # update compile commands if the makefile has been updated (for linting)
compile_commands: # default, empty rule
ifneq ($(shell which bear),) ifneq ($(shell which bear),)
compile_commands.json: makefile ifneq ($(COMPILE_COMMANDS),)
$(MAKE) clean ifeq ($(NOCMDS),)
@touch compile_commands.json .NOTPARALLEL .PHONY:
bear -- make compile compile_commands: $(COMPILE_COMMANDS)
else @[ "$(readlink compile_commands.json)" != "$<" ] && ln -sf $< compile_commands.json
compile_commands.json:
.NOTPARALLEL:
$(COMPILE_COMMANDS): makefile
@$(call warn,"regenerating compile_commands.json thus recompiling.")
@mkdir -p ${@D} # ensure the target directory exists
@touch $@ # create the file so it isn't retriggered (will just change modification time if already exists)
@bear --output $@ -- make -B compile NOCMDS=1 # rebuild the current target using bear, to create the compile commands
endif
endif
endif endif
# disable implicit rules # disable implicit rules