Start splitting up Makefile.in

1 files changed, 98 insertions, 0 deletions

diff --git a/mk/boot.mk b/mk/boot.mk
new file mode 100644
index 00000000..a6ab5ccc
--- /dev/null
+++ b/mk/boot.mk
@@ -0,0 +1,98 @@
+######################################################################
+# Bootstrap compiler variables and rules
+######################################################################
+
+ifdef CFG_BOOT_PROFILE
+  $(info cfg: forcing native bootstrap compiler (CFG_BOOT_PROFILE))
+  CFG_BOOT_NATIVE := 1
+  CFG_OCAMLOPT_PROFILE_FLAGS := -p
+endif
+
+ifdef CFG_BOOT_DEBUG
+  $(info cfg: forcing bytecode bootstrap compiler (CFG_BOOT_DEBUG))
+  CFG_BOOT_NATIVE :=
+endif
+
+ifdef CFG_BOOT_NATIVE
+  $(info cfg: building native bootstrap compiler)
+else
+  $(info cfg: building bytecode bootstrap compiler)
+endif
+
+GENERATED := boot/fe/lexer.ml boot/version.ml
+
+
+# We must list them in link order.
+# Nobody calculates the link-order DAG automatically, sadly.
+
+BOOT_MLS :=                                              \
+    $(addsuffix .ml,                                     \
+        boot/version                                     \
+        $(addprefix boot/util/, fmt common bits)         \
+        $(addprefix boot/driver/, session)               \
+        $(addprefix boot/fe/, ast token lexer parser     \
+          extfmt pexp item cexp fuzz)                    \
+        $(addprefix boot/be/, asm il abi)                \
+        $(addprefix boot/me/, walk semant resolve alias  \
+          simplify type dead layer typestate             \
+         loop layout transutil trans dwarf)              \
+        $(addprefix boot/be/, x86 ra pe elf macho)       \
+        $(addprefix boot/driver/, lib glue main))        \
+
+BOOT_CMOS := $(BOOT_MLS:.ml=.cmo)
+BOOT_CMXS := $(BOOT_MLS:.ml=.cmx)
+BOOT_OBJS := $(BOOT_MLS:.ml=.o)
+BOOT_CMIS := $(BOOT_MLS:.ml=.cmi)
+
+BS := $(S)src/boot
+
+BOOT_ML_DEP_INCS := -I $(BS)/fe   -I $(BS)/me      \
+                    -I $(BS)/be   -I $(BS)/driver  \
+                    -I $(BS)/util -I boot
+
+BOOT_ML_INCS    :=  -I boot/fe   -I boot/me      \
+                    -I boot/be   -I boot/driver  \
+                    -I boot/util -I boot
+
+BOOT_ML_LIBS        := unix.cma  nums.cma  bigarray.cma
+BOOT_ML_NATIVE_LIBS := unix.cmxa nums.cmxa bigarray.cmxa
+BOOT_OCAMLC_FLAGS   := -g $(BOOT_ML_INCS) -w Ael -warn-error Ael
+BOOT_OCAMLOPT_FLAGS := -g $(BOOT_ML_INCS) -w Ael -warn-error Ael
+
+ifdef CFG_FLEXLINK
+  BOOT_OCAMLOPT_FLAGS += -cclib -L/usr/lib
+endif
+
+BOOT := $(Q)OCAMLRUNPARAM="b1" boot/rustboot$(X) $(CFG_BOOT_FLAGS) -L stage0
+
+
+ifdef CFG_BOOT_NATIVE
+boot/rustboot$(X): $(BOOT_CMXS) $(MKFILES)
+	@$(call E, link: $@)
+	$(Q)ocamlopt$(OPT) -o $@ $(BOOT_OCAMLOPT_FLAGS) $(BOOT_ML_NATIVE_LIBS) \
+        $(BOOT_CMXS)
+else
+boot/rustboot$(X): $(BOOT_CMOS) $(MKFILES)
+	@$(call E, link: $@)
+	$(Q)ocamlc$(OPT) -o $@ $(BOOT_OCAMLC_FLAGS) $(BOOT_ML_LIBS) $(BOOT_CMOS)
+endif
+
+boot/version.ml: $(MKFILES)
+	@$(call E, git: $@)
+	$(Q)(cd $(S) && git log -1 \
+      --pretty=format:'let version = "prerelease (%h %ci)";;') >$@ || exit 1
+
+%.cmo: %.ml $(MKFILES)
+	@$(call E, compile: $@)
+	$(Q)ocamlc$(OPT) -c -o $@ $(BOOT_OCAMLC_FLAGS) $<
+
+%.cmo: %.cmi $(MKFILES)
+
+%.cmx %.o: %.ml $(MKFILES)
+	@$(call E, compile: $@)
+	$(Q)ocamlopt$(OPT) -c -o $@ $(BOOT_OCAMLOPT_FLAGS) $<
+
+%.ml: %.mll $(MKFILES)
+	@$(call E, lex-gen: $@)
+	$(Q)ocamllex$(OPT) -q -o $@ $<
+