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# this could be done better
RELEASE ?= 0
OPTFLAGS != [ "$(RELEASE)" != "0" ] \
&& echo "-O2 -flto=auto" \
|| echo "-O0"
DEBUG ?= 1
DEBUGFLAGS != [ "$(DEBUG)" != "0" ] \
&& echo "-DDEBUG=1" \
|| echo "-DNDEBUG=1"
ASSERT ?= 1
ASSERTFLAGS != [ "$(ASSERT)" != "0" ] \
&& echo "-DASSERT=1" \
|| echo
DEP_FLAGS = -MT $@ -MMD -MP -MF $@.d
LINT_FLAGS := -fsyntax-only
PREPROCESS := -E
LLVM ?= 0
BUILD := build
all: libgran.a
# default values, overwrite if/when needed
CROSS_COMPILE :=
OBJCOPY != [ "$(LLVM)" != "0" ] \
&& echo llvm-objcopy \
|| echo $(CROSS_COMPILE)objcopy
COMPILER != [ -n "$(CROSS_COMPILE)" ] \
&& { \
[ "$(LLVM)" != "0" ] \
&& echo clang --target="$(CROSS_COMPILE)" \
|| echo $(CROSS_COMPILE)gcc \
; \
} \
|| echo $(CC)
OBFLAGS := -g
WARNFLAGS := -Wall -Wextra
COMPILE_FLAGS := $(CFLAGS) $(WARNFLAGS) $(OPTFLAGS) $(OBFLAGS) $(ASSERTFLAGS) \
$(DEBUGFLAGS)
INCLUDE_FLAGS := -I include -I deps/conts/include
LINT = $(COMPILER) \
$(COMPILE_FLAGS) $(LIN_TFLAGS) $(INCLUDE_FLAGS)
UBSAN ?= 0
SANITIZE_FLAGS != [ "$(UBSAN)" != "0" ] \
&& echo -fsanitize=undefined \
|| echo
# don't use dep trick for tests
COMPILE_TEST := $(COMPILER) $(COMPILE_FLAGS) \
$(INCLUDE_FLAGS) $(SANITIZE_FLAGS)
# dep flags use delayed expansion trick so we can't use := here
COMPILE_GRAN = $(COMPILER) $(COMPILE_FLAGS) \
$(DEP_FLAGS) $(INCLUDE_FLAGS) $(SANITIZE_FLAGS)
TESTS != [ -n "$(CHECK)" ] && echo "$(CHECK)" || echo check
-include deps.mk
libgran.a: $(GRAN_OBJS)
$(AR) rcs $@ $(GRAN_OBJS)
# might lint some common things twice
.PHONY:
lint: $(GRAN_LINTS)
.PHONY: check
check:
$(MAKE) -f scripts/makefile.tests -k $(TESTS) COMPILE_TEST="$(COMPILE_TEST)"
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