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https://gitlab.com/d3tn/ud3tn.git
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5309ea171f
This does not pass the `--gc-sections,--sort-common,--as-needed` and `-Wl,-z,relro,-z,now,-z,noexecstack` linker flags when using the MacOS linker. The OS detection is moved to `posix.mk`, which is included earlier. Fixes: #135 Signed-off-by: Felix Walter <felix.walter@d3tn.com>
173 lines
5 KiB
Makefile
173 lines
5 KiB
Makefile
# TOOLCHAIN
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TOOLCHAIN ?= gcc
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ifeq ($(TOOLCHAIN),clang)
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CLANG ?= $(CLANG_PREFIX)clang
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CC := $(CLANG)
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CXX := $(CLANG)
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LD := $(CLANG)
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else
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CC := $(GCC_TOOLCHAIN_PREFIX)gcc
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CXX := $(GCC_TOOLCHAIN_PREFIX)g++
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LD := $(GCC_TOOLCHAIN_PREFIX)gcc
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endif
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AS := $(GCC_TOOLCHAIN_PREFIX)gcc
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AR := $(GCC_TOOLCHAIN_PREFIX)ar
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RANLIB := $(GCC_TOOLCHAIN_PREFIX)ranlib
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OBJCOPY := $(GCC_TOOLCHAIN_PREFIX)objdump
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OBJCOPY := $(GCC_TOOLCHAIN_PREFIX)objcopy
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# COMMON FLAGS
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CPPFLAGS += $(ARCH_FLAGS) -MMD -Iinclude $(EXTERNAL_INCLUDES)
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CFLAGS += -std=gnu99
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CXXFLAGS += -fno-exceptions -fno-rtti
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ASFLAGS += $(ARCH_FLAGS)
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ifeq ($(EXPECT_MACOS_LINKER),1)
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LDFLAGS_PRE_LIB += -Wl,-all_load
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else
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LDFLAGS_PRE += -Wl,--start-group
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LDFLAGS += -Wl,--end-group
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LDFLAGS_PRE_LIB += -Wl,--whole-archive
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LDFLAGS_LIB += -Wl,--no-whole-archive
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endif
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LDFLAGS += $(ARCH_FLAGS) -lc -lm
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ifeq ($(TOOLCHAIN),clang)
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ifneq ($(CLANG_SYSROOT),)
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CPPFLAGS += --sysroot $(CLANG_SYSROOT)
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endif
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endif
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# COMMANDS
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echo-cmd = $(if $($(quiet)cmd_$1),echo '$($(quiet)cmd_$1)';)
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cmd = @$(call echo-cmd,$1,$2) $(cmd_$1)
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quiet_cmd_cc_o_c = CC $@
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cmd_cc_o_c = "$(CC)" -o "$@" $(CFLAGS) $(CPPFLAGS) -c "$<"
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quiet_cmd_cc_o_cxx = CXX $@
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cmd_cc_o_cxx = "$(CXX)" -o "$@" $(CXXFLAGS) $(CPPFLAGS) -c "$<"
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quiet_cmd_cc_o_s = AS $@
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cmd_cc_o_s = "$(AS)" -o "$@" $(ASFLAGS) -c "$<"
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quiet_cmd_ar = AR $@
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cmd_ar = "$(AR)" rcs "$@" $(OBJECTS)
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quiet_cmd_arcat = AR_CAT $@
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cmd_arcat = "$(AR)" rcT "$@" $(LIBS)
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quiet_cmd_link = LINK $@
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cmd_link = "$(LD)" -o "$@" \
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$(LDFLAGS_PRE) \
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$(OBJECTS) $(LIBS) \
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$(LDFLAGS_EXECUTABLE) $(LDFLAGS)
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quiet_cmd_linklib = LINK $@
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cmd_linklib = "$(LD)" -o "$@" \
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$(LDFLAGS_PRE) $(LDFLAGS_PRE_LIB) \
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$(OBJECTS) $(LIBS) \
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$(LDFLAGS_LIB) $(LDFLAGS)
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quiet_cmd_mkdir = MKDIR $@
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cmd_mkdir = mkdir -p "$@"
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quiet_cmd_rm = RM $2
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cmd_rm = rm -rf "$2"
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quiet_cmd_bin = BIN $@
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cmd_bin = "$(OBJCOPY)" -O binary "$<" "$@"
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quiet_cmd_ihex = IHEX $@
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cmd_ihex = "$(OBJCOPY)" -O ihex "$<" "$@"
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quiet_cmd_ccmd_o_x = CCMD $@
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cmd_ccmd_o_x = echo '{"command": "cc -o \"$(patsubst %.ccmd,%.o,$@)\" \
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$(CFLAGS) $(CPPFLAGS) -c \"$<\"", "directory": "$(CURDIR)", \
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"file": "$<"}' > "$@"
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quiet_cmd_ccmds = CCMDS $@
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cmd_ccmds = echo "[$$(sed -s -e '$$a,' $(CCMDS) | sed -e '$$d')]" > "$@"
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# RULE GENERATION
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define generateComponentRules
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component_C_SOURCES := $(if $(2),$(patsubst %.c,$(1)/%.c,$(filter %.c,$(2))),$$(wildcard $(1)/*.c))
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component_CXX_SOURCES := $(if $(2),$(patsubst %.cpp,$(1)/%.cpp,$(filter %.cpp,$(2))),$$(wildcard $(1)/*.cpp))
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component_ASM_SOURCES := $(if $(2),$(patsubst %.s,$(1)/%.s,$(filter %.s,$(2))),$$(wildcard $(1)/*.s))
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component_OBJECTS := $$(patsubst $(1)/%.c,build/$(PLATFORM)/$(1)/%.o,$$(component_C_SOURCES)) \
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$$(patsubst $(1)/%.cpp,build/$(PLATFORM)/$(1)/%.o,$$(component_CXX_SOURCES)) \
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$$(patsubst $(1)/%.s,build/$(PLATFORM)/$(1)/%.o,$$(component_ASM_SOURCES)) \
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component_DEPS := $$(patsubst $(1)/%.c,build/$(PLATFORM)/$(1)/%.d,$$(component_C_SOURCES)) \
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$$(patsubst $(1)/%.cpp,build/$(PLATFORM)/$(1)/%.d,$$(component_CXX_SOURCES))
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-include $$(component_DEPS)
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build/$(PLATFORM)/$(1)/%.o: $(1)/%.c | build/$(PLATFORM)/$(1)
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$$(call cmd,cc_o_c)
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build/$(PLATFORM)/$(1)/%.o: $(1)/%.cpp | build/$(PLATFORM)/$(1)
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$$(call cmd,cc_o_cxx)
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build/$(PLATFORM)/$(1)/%.o: $(1)/%.s | build/$(PLATFORM)/$(1)
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$$(call cmd,cc_o_s)
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build/$(PLATFORM)/$(1)/component.a: OBJECTS := $$(component_OBJECTS)
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build/$(PLATFORM)/$(1)/component.a: $$(component_OBJECTS)
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build/$(PLATFORM)/$(1)/component.a: | build/$(PLATFORM)/$(1)
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$$(call cmd,ar)
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build/$(PLATFORM)/$(1): | build/$(PLATFORM)
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$$(call cmd,mkdir)
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# Clang compile_commands.json
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component_CCMDS := $$(patsubst %.o,%.ccmd,$$(component_OBJECTS))
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build/$(PLATFORM)/$(1)/%.ccmd: $(1)/%.c | build/$(PLATFORM)/$(1)
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$$(call cmd,ccmd_o_x)
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build/$(PLATFORM)/$(1)/%.ccmd: $(1)/%.cpp | build/$(PLATFORM)/$(1)
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$$(call cmd,ccmd_o_x)
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build/$(PLATFORM)/$(1)/%.ccmd: $(1)/%.s | build/$(PLATFORM)/$(1)
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$$(call cmd,ccmd_o_x)
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build/$(PLATFORM)/compile_commands.json: CCMDS := $$(component_CCMDS)
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build/$(PLATFORM)/compile_commands.json: $$(component_CCMDS)
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build/$(PLATFORM)/compile_commands.json: | build/$(PLATFORM)
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endef
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define addComponent
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LIBS_$(1) += build/$(PLATFORM)/$(2)/component.a
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build/$(PLATFORM)/$(1): build/$(PLATFORM)/$(2)/component.a
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build/$(PLATFORM)/$(1): | build/$(PLATFORM)
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endef
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define addComponentWithRules
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$(call generateComponentRules,$(1),$(2))
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$(call addComponent,libud3tn.so,$(1))
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$(call addComponent,ud3tn,$(1))
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$(call addComponent,testud3tn,$(1))
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endef
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build/$(PLATFORM)/compile_commands.json:
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build/$(PLATFORM)/compile_commands.json: | build/$(PLATFORM)
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$(call cmd,ccmds)
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