mikael-lovqvists-claude-agent/video-setup
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Extract shared Makefile config into common.mk

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CC, CFLAGS, and BUILD are now defined once in common.mk at the repo root.
Each module and CLI Makefile sets ROOT then includes common.mk, eliminating
the repeated definitions.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
mikael-lovqvists-claude-agent
2026-03-25 22:15:03 +00:00
parent eb65181fe7
commit e1b848333b
5 changed files with 39 additions and 33 deletions
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7
common.mk Normal file
View File

@@ -0,0 +1,7 @@
# Included by all module and cli Makefiles.
# Each including Makefile must set ROOT before including this file:
# ROOT := $(abspath <relative path to repo root>)
CC = gcc
CFLAGS = -std=c11 -Wall -Wextra -D_GNU_SOURCE -flto -I$(ROOT)/include
BUILD = $(ROOT)/build

17
dev/cli/Makefile
View File

@@ -1,29 +1,28 @@
ROOT := $(abspath ../..) ROOT := $(abspath ../..)
CC = gcc include $(ROOT)/common.mk
CFLAGS = -std=c11 -Wall -Wextra -D_GNU_SOURCE -flto -I$(ROOT)/include
BUILD = $(ROOT)/build
CLI_BUILD = $(BUILD)/cli
COMMON_OBJ = $(BUILD)/common/error.o COMMON_OBJ = $(BUILD)/common/error.o
MEDIA_CTRL_OBJ = $(BUILD)/media_ctrl/media_ctrl.o MEDIA_CTRL_OBJ = $(BUILD)/media_ctrl/media_ctrl.o
V4L2_CTRL_OBJ = $(BUILD)/v4l2_ctrl/v4l2_ctrl.o V4L2_CTRL_OBJ = $(BUILD)/v4l2_ctrl/v4l2_ctrl.o
.PHONY: all clean modules .PHONY: all clean modules
all: modules $(BUILD)/cli/media_ctrl_cli $(BUILD)/cli/v4l2_ctrl_cli all: modules $(CLI_BUILD)/media_ctrl_cli $(CLI_BUILD)/v4l2_ctrl_cli
modules: modules:
$(MAKE) -C $(ROOT)/src/modules/common $(MAKE) -C $(ROOT)/src/modules/common
$(MAKE) -C $(ROOT)/src/modules/media_ctrl $(MAKE) -C $(ROOT)/src/modules/media_ctrl
$(MAKE) -C $(ROOT)/src/modules/v4l2_ctrl $(MAKE) -C $(ROOT)/src/modules/v4l2_ctrl
$(BUILD)/cli/media_ctrl_cli: media_ctrl_cli.c $(COMMON_OBJ) $(MEDIA_CTRL_OBJ) | $(BUILD)/cli $(CLI_BUILD)/media_ctrl_cli: media_ctrl_cli.c $(COMMON_OBJ) $(MEDIA_CTRL_OBJ) | $(CLI_BUILD)
$(CC) $(CFLAGS) -o $@ $^ $(CC) $(CFLAGS) -o $@ $^
$(BUILD)/cli/v4l2_ctrl_cli: v4l2_ctrl_cli.c $(COMMON_OBJ) $(V4L2_CTRL_OBJ) | $(BUILD)/cli $(CLI_BUILD)/v4l2_ctrl_cli: v4l2_ctrl_cli.c $(COMMON_OBJ) $(V4L2_CTRL_OBJ) | $(CLI_BUILD)
$(CC) $(CFLAGS) -o $@ $^ $(CC) $(CFLAGS) -o $@ $^
$(BUILD)/cli: $(CLI_BUILD):
mkdir -p $@ mkdir -p $@
clean: clean:
rm -f $(BUILD)/cli/media_ctrl_cli $(BUILD)/cli/v4l2_ctrl_cli rm -f $(CLI_BUILD)/media_ctrl_cli $(CLI_BUILD)/v4l2_ctrl_cli

16
src/modules/common/Makefile
View File

@@ -1,17 +1,17 @@
ROOT := $(abspath ../../..) ROOT := $(abspath ../../..)
CC = gcc include $(ROOT)/common.mk
CFLAGS = -std=c11 -Wall -Wextra -D_GNU_SOURCE -flto -I$(ROOT)/include
BUILD = $(ROOT)/build/common MODULE_BUILD = $(BUILD)/common
.PHONY: all clean .PHONY: all clean
all: $(BUILD)/error.o all: $(MODULE_BUILD)/error.o
$(BUILD)/error.o: error.c $(ROOT)/include/error.h | $(BUILD) $(MODULE_BUILD)/error.o: error.c $(ROOT)/include/error.h | $(MODULE_BUILD)
$(CC) $(CFLAGS) -c -o $@ $< $(CC) $(CFLAGS) -c -o $@ $<
$(BUILD): $(MODULE_BUILD):
mkdir -p $@ mkdir -p $@
clean: clean:
rm -f $(BUILD)/error.o rm -f $(MODULE_BUILD)/error.o

16
src/modules/media_ctrl/Makefile
View File

@@ -1,17 +1,17 @@
ROOT := $(abspath ../../..) ROOT := $(abspath ../../..)
CC = gcc include $(ROOT)/common.mk
CFLAGS = -std=c11 -Wall -Wextra -D_GNU_SOURCE -flto -I$(ROOT)/include
BUILD = $(ROOT)/build/media_ctrl MODULE_BUILD = $(BUILD)/media_ctrl
.PHONY: all clean .PHONY: all clean
all: $(BUILD)/media_ctrl.o all: $(MODULE_BUILD)/media_ctrl.o
$(BUILD)/media_ctrl.o: media_ctrl.c $(ROOT)/include/media_ctrl.h $(ROOT)/include/error.h | $(BUILD) $(MODULE_BUILD)/media_ctrl.o: media_ctrl.c $(ROOT)/include/media_ctrl.h $(ROOT)/include/error.h | $(MODULE_BUILD)
$(CC) $(CFLAGS) -c -o $@ $< $(CC) $(CFLAGS) -c -o $@ $<
$(BUILD): $(MODULE_BUILD):
mkdir -p $@ mkdir -p $@
clean: clean:
rm -f $(BUILD)/media_ctrl.o rm -f $(MODULE_BUILD)/media_ctrl.o

16
src/modules/v4l2_ctrl/Makefile
View File

@@ -1,17 +1,17 @@
ROOT := $(abspath ../../..) ROOT := $(abspath ../../..)
CC = gcc include $(ROOT)/common.mk
CFLAGS = -std=c11 -Wall -Wextra -D_GNU_SOURCE -flto -I$(ROOT)/include
BUILD = $(ROOT)/build/v4l2_ctrl MODULE_BUILD = $(BUILD)/v4l2_ctrl
.PHONY: all clean .PHONY: all clean
all: $(BUILD)/v4l2_ctrl.o all: $(MODULE_BUILD)/v4l2_ctrl.o
$(BUILD)/v4l2_ctrl.o: v4l2_ctrl.c $(ROOT)/include/v4l2_ctrl.h $(ROOT)/include/error.h | $(BUILD) $(MODULE_BUILD)/v4l2_ctrl.o: v4l2_ctrl.c $(ROOT)/include/v4l2_ctrl.h $(ROOT)/include/error.h | $(MODULE_BUILD)
$(CC) $(CFLAGS) -c -o $@ $< $(CC) $(CFLAGS) -c -o $@ $<
$(BUILD): $(MODULE_BUILD):
mkdir -p $@ mkdir -p $@
clean: clean:
rm -f $(BUILD)/v4l2_ctrl.o rm -f $(MODULE_BUILD)/v4l2_ctrl.o