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0b9e9f5064
commit e5a5749971eb9274679699020a54c91d4053ed79 Author: James Fraser <wulfgar.pro@gmail.com> Date: Sun Feb 3 19:57:31 2019 +1100 PR #47: Minor review fixes to tests files. commit e9f11b9ec8de8f8d1f0de7b6959c575e15894526 Author: James Fraser <wulfgar.pro@gmail.com> Date: Sun Feb 3 19:57:04 2019 +1100 PR #47: Minor review fixes. commit0a7fbeceecAuthor: Pauli Salmenrinne <pauli.salmenrinne@pexraytech.com> Date: Tue Jan 22 15:11:10 2019 +0200 Add example for the weak linking commit647737304dAuthor: susundberg <susundberg@gmail.com> Date: Wed Mar 21 13:14:05 2018 +0200 Add "FFF_FUNCTION_ATTRIBUTES" definition that can be used to declare attributes for functions. More specifically, allow __weak__ attribute.
40 lines
1.5 KiB
Makefile
40 lines
1.5 KiB
Makefile
BUILD_DIR = ../../build
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INCLUDE_DIRS = -I "../../" -I "./src/"
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BUILD_DIR_FAKE = $(BUILD_DIR)/weak_linking
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CC = gcc
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WEAK_FLAGS=-Wall -DFFF_GCC_FUNCTION_ATTRIBUTES="__attribute__((weak))"
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$(BUILD_DIR_FAKE)/%.o: test/%.c
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@echo "Compiling "$@
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$(CC) $(WEAK_FLAGS) $(INCLUDE_DIRS) -g -O0 -c $< -o $@
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FAKE_OBJECTS = $(BUILD_DIR_FAKE)/display.fake.o $(BUILD_DIR_FAKE)/sensor.fake.o $(BUILD_DIR_FAKE)/sensor.fake.o $(BUILD_DIR_FAKE)/error.fake.o $(BUILD_DIR_FAKE)/bus.fake.o $(BUILD_DIR_FAKE)/test_common.o
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TEST_BINARIES = $(BUILD_DIR_FAKE)/test_main $(BUILD_DIR_FAKE)/test_display $(BUILD_DIR_FAKE)/test_sensor
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mkdir:
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mkdir -p $(BUILD_DIR_FAKE)/
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clean:
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rm -rf $(BUILD_DIR_FAKE)/
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$(BUILD_DIR_FAKE)/libfakes.a: $(FAKE_OBJECTS)
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ar r $@ $^
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# First case where we need __weak__ linking:
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# - If we have the build objects (for some reason) in order where the fake object comes first.
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$(BUILD_DIR_FAKE)/test_display: ./test/display.test.c $(BUILD_DIR_FAKE)/libfakes.a ./src/display.c
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$(CC) $(WEAK_FLAGS) $(INCLUDE_DIRS) -o $@ $^
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# Second case where we need weak linking:
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# - If we use an object from the fake object -> gcc linker will include it.
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$(BUILD_DIR_FAKE)/test_sensor: ./test/sensor.test.c ./src/sensor.c $(BUILD_DIR_FAKE)/libfakes.a
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$(CC) $(WEAK_FLAGS) $(INCLUDE_DIRS) -o $@ $^
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# Third case where we need weak linking:
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# - We want to fake one function but not all.
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$(BUILD_DIR_FAKE)/test_main: ./test/main.test.c ./src/main.c $(BUILD_DIR_FAKE)/libfakes.a
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$(CC) $(WEAK_FLAGS) $(INCLUDE_DIRS) -o $@ $^
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all: mkdir $(TEST_BINARIES)
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