# -*- mode: makefile-gmake; indent-tabs-mode: t -*-

YJIT_SRC_FILES = $(wildcard \
	$(top_srcdir)/yjit/Cargo.* \
	$(top_srcdir)/yjit/src/*.rs \
	$(top_srcdir)/yjit/src/*/*.rs \
	$(top_srcdir)/yjit/src/*/*/*.rs \
	$(top_srcdir)/yjit/src/*/*/*/*.rs \
	$(top_srcdir)/jit/src/lib.rs \
	)

# Absolute path to match RUST_LIB rules to avoid picking
# the "target" dir in the source directory through VPATH.
BUILD_YJIT_LIBS = $(TOP_BUILD_DIR)/$(YJIT_LIBS)

# In a YJIT-only build (no ZJIT)
ifneq ($(strip $(YJIT_LIBS)),)
yjit-libs: $(BUILD_YJIT_LIBS)
$(BUILD_YJIT_LIBS): $(YJIT_SRC_FILES)
	$(ECHO) 'building Rust YJIT (release mode)'
	$(gnumake_recursive)$(Q) $(RUSTC) $(YJIT_RUSTC_ARGS)
else ifneq ($(strip $(RLIB_DIR)),) # combo build
# Absolute path to avoid VPATH ambiguity
YJIT_RLIB = $(TOP_BUILD_DIR)/$(RLIB_DIR)/libyjit.rlib

$(YJIT_RLIB): $(YJIT_SRC_FILES)
	$(ECHO) 'building $(@F)'
	$(gnumake_recursive)$(Q) $(RUSTC) '-L$(@D)' --extern=jit $(YJIT_RUSTC_ARGS)

$(RUST_LIB): $(YJIT_RLIB)
endif # ifneq ($(strip $(YJIT_LIBS)),)

ifneq ($(YJIT_SUPPORT),no)
$(RUST_LIB): $(YJIT_SRC_FILES)
endif

RUST_VERSION = +1.58.0

# Gives quick feedback about YJIT. Not a replacement for a full test run.
.PHONY: yjit-check
yjit-check:
ifneq ($(strip $(CARGO)),)
	$(CARGO) test --all-features -q --manifest-path='$(top_srcdir)/yjit/Cargo.toml'
endif
	$(MAKE) btest RUN_OPTS='--yjit-call-threshold=1' BTESTS=-j
	$(MAKE) test-all TESTS='$(top_srcdir)/test/ruby/test_yjit.rb'

YJIT_BINDGEN_DIFF_OPTS =

# Generate Rust bindings. See source for details.
# Needs `./configure --enable-yjit=dev` and Clang.
ifneq ($(strip $(CARGO)),) # if configure found Cargo
.PHONY: yjit-bindgen yjit-bindgen-show-unused
yjit-bindgen: yjit.$(OBJEXT)
	YJIT_SRC_ROOT_PATH='$(top_srcdir)' $(CARGO) run --manifest-path '$(top_srcdir)/yjit/bindgen/Cargo.toml' -- $(CFLAGS) $(XCFLAGS) $(CPPFLAGS)
	$(Q) if [ 'x$(HAVE_GIT)' = xyes ]; then $(GIT) -C "$(top_srcdir)" diff $(YJIT_BINDGEN_DIFF_OPTS) yjit/src/cruby_bindings.inc.rs; fi

check-yjit-bindgen-unused: yjit.$(OBJEXT)
	RUST_LOG=warn YJIT_SRC_ROOT_PATH='$(top_srcdir)' $(CARGO) run --manifest-path '$(top_srcdir)/yjit/bindgen/Cargo.toml' -- $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) 2>&1 | (! grep "unused option: --allow")
endif