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d838c6aa3d
This enables warnings for incorrect Doxygen comments when build with LLVM. To my experience, LLVM provides a low false positive rate (e.g. it does not complain about undocumented internal macros) and has very helpful output. This disable `-Wdocumentation-deprecated-sync` for now, as we do not deprecate code with attributes yet. The warnings are not set as errors, so that we can enable this without breaking builds.
45 lines
1.5 KiB
Makefile
45 lines
1.5 KiB
Makefile
CC = $(PREFIX)gcc
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CXX = $(PREFIX)g++
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CCAS ?= $(CC)
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ifeq ($(LTO),1)
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AR = $(PREFIX)gcc-ar
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RANLIB = $(PREFIX)gcc-ranlib
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else
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AR = $(PREFIX)ar
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RANLIB = $(PREFIX)ranlib
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endif
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AS = $(PREFIX)as
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NM = $(PREFIX)nm
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LINK = $(PREFIX)gcc
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LINKXX = $(PREFIX)g++
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SIZE = $(PREFIX)size
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_OBJCOPY := $(shell command -v $(PREFIX)objcopy || command -v gobjcopy || command -v objcopy)
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OBJCOPY ?= $(_OBJCOPY)
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ifeq ($(OBJCOPY),)
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$(warning objcopy not found. Hex file will not be created.)
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OBJCOPY = true
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endif
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# Default to the native (g)objdump, helps when using toolchain from docker
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_OBJDUMP := $(or $(shell command -v $(PREFIX)objdump || command -v gobjdump),objdump)
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OBJDUMP ?= $(_OBJDUMP)
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GCC_VERSION := $(shell command -v $(CC) > /dev/null && $(CC) -dumpversion | cut -d . -f 1)
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# -fmacro-prefix-map requires GCC 8
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ifneq (8, $(firstword $(shell echo 8 $(GCC_VERSION) | tr ' ' '\n' | sort -n)))
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OPTIONAL_CFLAGS_BLACKLIST += -fmacro-prefix-map=$(RIOTBASE)/=
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endif
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# GCC does not warn about documentation (yet)
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OPTIONAL_CFLAGS_BLACKLIST += -Wdocumentation -Wno-error=documentation -Wno-documentation-deprecated-sync
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# We use GDB for debugging
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include $(RIOTMAKE)/tools/gdb.inc.mk
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# Data address spaces starts at zero for all supported architectures. This fixes
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# compilation at least on MSP430 and AVR.
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# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
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ifneq (,$(filter $(GCC_VERSION),12 13))
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CFLAGS += --param=min-pagesize=0
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endif
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