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# this could be done better
RELEASE ?= 0
OPTFLAGS != [ "$(RELEASE)" != "0" ] \
&& echo "-O3 -flto" \
|| echo "-O0"
DEBUG ?= 1
DEBUGFLAGS != [ "$(DEBUG)" != "0" ] \
&& echo "-DDEBUG=1" \
|| echo "-DNDEBUG=1"
ASSERT ?= 1
ASSERTFLAGS != [ "$(ASSERT)" != "0" ] \
&& echo "-DASSERT=1" \
|| echo
DEPFLAGS = -MT $@ -MMD -MP -MF $@.d
LINTFLAGS = -fsyntax-only
PREPROCESS = -E
LLVM ?= 0
BUILD = build
all: tasm
# default values, overwrite if/when needed
CROSS_COMPILE =
OBJCOPY != [ "$(LLVM)" != "0" ] \
&& echo llvm-objcopy \
|| echo $(CROSS_COMPILE)objcopy
COMPILER != [ "$(LLVM)" != "0" ] \
&& echo clang --target="$(CROSS_COMPILE)" \
|| echo $(CROSS_COMPILE)gcc
OBFLAGS = -std=gnu17 -g
WARNFLAGS = -Wall -Wextra
COMPILE_FLAGS = $(CFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(OBFLAGS) $(ASSERTFLAGS) \
$(DEBUGFLAGS)
INCLUDE_FLAGS = -I include -I ../core
# This makes sure .bss is loaded into the binary
OBJCOPY_FLAGS ?= -Obinary -R .garbage \
--set-section-flags .bss=alloc,load,contents
COMPILE = $(COMPILER) \
$(COMPILE_FLAGS) $(DEPFLAGS) $(INCLUDE_FLAGS)
LINT = $(COMPILER) \
$(COMPILE_FLAGS) $(LINTFLAGS) $(INCLUDE_FLAGS)
UBSAN ?= 0
TASM_FLAGS != [ "$(UBSAN)" != "0" ] \
&& echo -fsanitize=undefined \
|| echo
COMPILE_TASM = $(COMPILE) $(TASM_FLAGS)
-include deps.mk
-include src/source.mk
tasm: $(TASM_OBJS)
$(COMPILE_TASM) $(TASM_OBJS) -o $@
# might lint some common things twice
.PHONY:
lint: $(TASM_LINTS)
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