1 files changed, 81 insertions, 0 deletions
diff --git a/scripts/makefile b/scripts/makefile
new file mode 100644
index 0000000..dc094fa
--- /dev/null
+++ b/scripts/makefile
@@ -0,0 +1,81 @@
+# 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)"