rust/mk/llvm.mk

# Copyright 2012 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.


ifdef CFG_ENABLE_FAST_MAKE
LLVM_DEPS := $(S)/.gitmodules
else

# This is just a rough approximation of LLVM deps
LLVM_DEPS_SRC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)lib,*cpp *hpp)
LLVM_DEPS_INC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)include,*cpp *hpp)
LLVM_DEPS=$(LLVM_DEPS_SRC) $(LLVM_DEPS_INC)
endif

define DEF_LLVM_RULES

# If CFG_LLVM_ROOT is defined then we don't build LLVM ourselves
ifeq ($(CFG_LLVM_ROOT),)

LLVM_STAMP_$(1) = $$(CFG_LLVM_BUILD_DIR_$(1))/llvm-auto-clean-stamp

$$(LLVM_CONFIG_$(1)): $$(LLVM_DEPS) $$(LLVM_STAMP_$(1))
	@$$(call E, make: llvm)
	$$(Q)$$(MAKE) -C $$(CFG_LLVM_BUILD_DIR_$(1)) $$(CFG_LLVM_BUILD_ENV_$(1)) ONLY_TOOLS="$$(LLVM_TOOLS)"
	$$(Q)touch $$(LLVM_CONFIG_$(1))
endif

# This is used to independently force an LLVM clean rebuild
# when we changed something not otherwise captured by builtin
# dependencies. In these cases, commit a change that touches
# the stamp in the source dir.
$$(LLVM_STAMP_$(1)): $(S)src/rustllvm/llvm-auto-clean-trigger
	@$$(call E, make: cleaning llvm)
	$(Q)$(MAKE) clean-llvm
	@$$(call E, make: done cleaning llvm)
	touch $$@

endef

$(foreach host,$(CFG_HOST), \
    $(eval LLVM_CONFIGS := $(LLVM_CONFIGS) $(LLVM_CONFIG_$(host))))

$(foreach host,$(CFG_HOST), \
 $(eval $(call DEF_LLVM_RULES,$(host))))

$(S)src/librustc/lib/llvmdeps.rs: \
		    $(LLVM_CONFIGS) \
		    $(S)src/etc/mklldeps.py
	$(Q)$(CFG_PYTHON) $(S)src/etc/mklldeps.py \
	    "$@" "$(LLVM_COMPONENTS)" $(LLVM_CONFIGS)
Reliciense makefiles and testsuite. Yup. 2012-12-11 01:32:48 +00:00			`# Copyright 2012 The Rust Project Developers. See the COPYRIGHT`
			`# file at the top-level directory of this distribution and at`
			`# http://rust-lang.org/COPYRIGHT.`
			`#`
			`# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or`
			`# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license`
			`# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your`
			`# option. This file may not be copied, modified, or distributed`
			`# except according to those terms.`

support a fast-make mode that avoids globbing into llvm and libuv 2012-02-10 20:07:01 +00:00
			`ifdef CFG_ENABLE_FAST_MAKE`
			`LLVM_DEPS := $(S)/.gitmodules`
			`else`
build: Create a better definition of LLVM deps 2011-11-26 03:25:09 +00:00
LLVM build cleanup 2011-11-02 00:09:44 +00:00			`# This is just a rough approximation of LLVM deps`
Fix double slashes in make paths. CFG_BUILD_DIR, CFG_LLVM_SRC_DIR and CFG_SRC_DIR all have trailing slashes, by definition, so this is correct. 2013-11-30 01:09:10 +00:00			`LLVM_DEPS_SRC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)lib,cpp hpp)`
			`LLVM_DEPS_INC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)include,cpp hpp)`
Try to fix a periodic windows build failure due to broken rwildcard macro 2013-05-21 23:34:41 +00:00			`LLVM_DEPS=$(LLVM_DEPS_SRC) $(LLVM_DEPS_INC)`
support a fast-make mode that avoids globbing into llvm and libuv 2012-02-10 20:07:01 +00:00			`endif`
Tie the LLVM build into ours 2011-11-01 22:48:30 +00:00
Parameterize the LLVM build over the target triples 2011-11-02 23:21:17 +00:00			`define DEF_LLVM_RULES`

			`# If CFG_LLVM_ROOT is defined then we don't build LLVM ourselves`
			`ifeq ($(CFG_LLVM_ROOT),)`

Move the llvm auto-clean stamp into $target/llvm 2013-09-04 06:47:13 +00:00			`LLVM_STAMP_$(1) = $$(CFG_LLVM_BUILD_DIR_$(1))/llvm-auto-clean-stamp`

			`$$(LLVM_CONFIG_$(1)): $$(LLVM_DEPS) $$(LLVM_STAMP_$(1))`
Parameterize the LLVM build over the target triples 2011-11-02 23:21:17 +00:00			`@$$(call E, make: llvm)`
Only build LLVM tools Rust needs. 2014-01-16 01:47:48 +00:00			`$$(Q)$$(MAKE) -C $$(CFG_LLVM_BUILD_DIR_$(1)) $$(CFG_LLVM_BUILD_ENV_$(1)) ONLY_TOOLS="$$(LLVM_TOOLS)"`
build: Touch llvm-config after building llvm-config is the file we base our LLVM build rule on, but rebuilding LLVM doesn't always rebuild it, so touch. 2011-12-13 01:06:43 +00:00			`$$(Q)touch $$(LLVM_CONFIG_$(1))`
Parameterize the LLVM build over the target triples 2011-11-02 23:21:17 +00:00			`endif`

Move the llvm auto-clean stamp into $target/llvm 2013-09-04 06:47:13 +00:00			`# This is used to independently force an LLVM clean rebuild`
			`# when we changed something not otherwise captured by builtin`
			`# dependencies. In these cases, commit a change that touches`
			`# the stamp in the source dir.`
			`$$(LLVM_STAMP_$(1)): $(S)src/rustllvm/llvm-auto-clean-trigger`
Remove unused upcalls The main one removed is rust_upcall_reset_stack_limit (continuation of #10156), and this also removes the upcall_trace function. The was hidden behind a `-Z trace` flag, but if you attempt to use this now you'll get a linker error because there is no implementation of the 'upcall_trace' function. Due to this no longer working, I decided to remove it entirely from the compiler (I'm also a little unsure on what it did in the first place). 2013-11-28 22:16:17 +00:00			`@$$(call E, make: cleaning llvm)`
Move the llvm auto-clean stamp into $target/llvm 2013-09-04 06:47:13 +00:00			`$(Q)$(MAKE) clean-llvm`
Remove unused upcalls The main one removed is rust_upcall_reset_stack_limit (continuation of #10156), and this also removes the upcall_trace function. The was hidden behind a `-Z trace` flag, but if you attempt to use this now you'll get a linker error because there is no implementation of the 'upcall_trace' function. Due to this no longer working, I decided to remove it entirely from the compiler (I'm also a little unsure on what it did in the first place). 2013-11-28 22:16:17 +00:00			`@$$(call E, make: done cleaning llvm)`
Move the llvm auto-clean stamp into $target/llvm 2013-09-04 06:47:13 +00:00			`touch $$@`

Parameterize the LLVM build over the target triples 2011-11-02 23:21:17 +00:00			`endef`

Link rustllvm statically, and distribute a static snapshot In order to keep up to date with changes to the libraries that `llvm-config` spits out, the dependencies to the LLVM are a dynamically generated rust file. This file is now automatically updated whenever LLVM is updated to get kept up-to-date. At the same time, this cleans out some old cruft which isn't necessary in the makefiles in terms of dependencies. Closes #10745 Closes #10744 2013-12-01 04:52:21 +00:00			`$(foreach host,$(CFG_HOST), \`
			`$(eval LLVM_CONFIGS := $(LLVM_CONFIGS) $(LLVM_CONFIG_$(host))))`

mk: Fix llvmdeps.rs dependencies In a multi-host build the mklldeps.py tool is getting called before all the llvm-configs are built. I am not actually sure the cause. I had convinced myself that DEF_LLVM_RULES needed to be called before the llvmdeps.rs rule, but now looking at it again I can't see why. 2014-01-03 22:16:43 +00:00			`$(foreach host,$(CFG_HOST), \`
			`$(eval $(call DEF_LLVM_RULES,$(host))))`

Link rustllvm statically, and distribute a static snapshot In order to keep up to date with changes to the libraries that `llvm-config` spits out, the dependencies to the LLVM are a dynamically generated rust file. This file is now automatically updated whenever LLVM is updated to get kept up-to-date. At the same time, this cleans out some old cruft which isn't necessary in the makefiles in terms of dependencies. Closes #10745 Closes #10744 2013-12-01 04:52:21 +00:00			`$(S)src/librustc/lib/llvmdeps.rs: \`
			`$(LLVM_CONFIGS) \`
			`$(S)src/etc/mklldeps.py`
			`$(Q)$(CFG_PYTHON) $(S)src/etc/mklldeps.py \`
mklldeps.py: Write to file instead of print It seems that msys automatically converts `\n` to `\r\n` on pipe redirection, which causes `make tidy` failure. 2013-12-17 05:35:22 +00:00			`"$@" "$(LLVM_COMPONENTS)" $(LLVM_CONFIGS)`