mk/llvm.mk

   1 # Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 # file at the top-level directory of this distribution and at
   3 # http://rust-lang.org/COPYRIGHT.
   4 #
   5 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 # option. This file may not be copied, modified, or distributed
   9 # except according to those terms.
  10
  11
  12 ifdef CFG_ENABLE_FAST_MAKE
  13 LLVM_DEPS := $(S)/.gitmodules
  14 else
  15
  16 # This is just a rough approximation of LLVM deps
  17 LLVM_DEPS_SRC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)lib,*cpp *hpp)
  18 LLVM_DEPS_INC=$(call rwildcard,$(CFG_LLVM_SRC_DIR)include,*cpp *hpp)
  19 LLVM_DEPS=$(LLVM_DEPS_SRC) $(LLVM_DEPS_INC)
  20 endif
  21
  22 ifdef CFG_DISABLE_OPTIMIZE_LLVM
  23 LLVM_BUILD_CONFIG_MODE := Debug
  24 else ifdef CFG_ENABLE_LLVM_RELEASE_DEBUGINFO
  25 LLVM_BUILD_CONFIG_MODE := RelWithDebInfo
  26 else
  27 LLVM_BUILD_CONFIG_MODE := Release
  28 endif
  29
  30 define DEF_LLVM_RULES
  31
  32 ifeq ($(1),$$(CFG_BUILD))
  33 LLVM_DEPS_TARGET_$(1) := $$(LLVM_DEPS)
  34 else
  35 LLVM_DEPS_TARGET_$(1) := $$(LLVM_DEPS) $$(LLVM_CONFIG_$$(CFG_BUILD))
  36 endif
  37
  38 # If CFG_LLVM_ROOT is defined then we don't build LLVM ourselves
  39 ifeq ($(CFG_LLVM_ROOT),)
  40
  41 LLVM_STAMP_$(1) = $(S)src/rustllvm/llvm-auto-clean-trigger
  42 LLVM_DONE_$(1) = $$(CFG_LLVM_BUILD_DIR_$(1))/llvm-finished-building
  43
  44 $$(LLVM_CONFIG_$(1)): $$(LLVM_DONE_$(1))
  45
  46 ifneq ($$(CFG_NINJA),)
  47 BUILD_LLVM_$(1) := $$(CFG_NINJA) -C $$(CFG_LLVM_BUILD_DIR_$(1))
  48 else ifeq ($$(findstring msvc,$(1)),msvc)
  49 BUILD_LLVM_$(1) := $$(CFG_CMAKE) --build $$(CFG_LLVM_BUILD_DIR_$(1)) \
  50                         --config $$(LLVM_BUILD_CONFIG_MODE)
  51 else
  52 BUILD_LLVM_$(1) := $$(MAKE) -C $$(CFG_LLVM_BUILD_DIR_$(1))
  53 endif
  54
  55 $$(LLVM_DONE_$(1)): $$(LLVM_DEPS_TARGET_$(1)) $$(LLVM_STAMP_$(1))
  56         @$$(call E, cmake: llvm)
  57         $$(Q)if ! cmp $$(LLVM_STAMP_$(1)) $$(LLVM_DONE_$(1)); then \
  58                 $$(MAKE) clean-llvm$(1); \
  59                 $$(BUILD_LLVM_$(1)); \
  60         fi
  61         $$(Q)cp $$(LLVM_STAMP_$(1)) $$@
  62
  63 ifneq ($$(CFG_NINJA),)
  64 clean-llvm$(1):
  65         @$$(call E, clean: llvm)
  66         $$(Q)$$(CFG_NINJA) -C $$(CFG_LLVM_BUILD_DIR_$(1)) -t clean
  67 else ifeq ($$(findstring msvc,$(1)),msvc)
  68 clean-llvm$(1):
  69         @$$(call E, clean: llvm)
  70         $$(Q)$$(CFG_CMAKE) --build $$(CFG_LLVM_BUILD_DIR_$(1)) \
  71                 --config $$(LLVM_BUILD_CONFIG_MODE) \
  72                 --target clean
  73 else
  74 clean-llvm$(1):
  75         @$$(call E, clean: llvm)
  76         $$(Q)$$(MAKE) -C $$(CFG_LLVM_BUILD_DIR_$(1)) clean
  77 endif
  78
  79 else
  80 clean-llvm$(1):
  81 endif
  82
  83 $$(LLVM_AR_$(1)): $$(LLVM_CONFIG_$(1))
  84
  85 ifeq ($$(CFG_ENABLE_LLVM_STATIC_STDCPP),1)
  86 LLVM_STDCPP_RUSTFLAGS_$(1) = -L "$$(dir $$(shell $$(CC_$(1)) $$(CFG_GCCISH_CFLAGS_$(1)) \
  87                                         -print-file-name=lib$(CFG_STDCPP_NAME).a))"
  88 else
  89 LLVM_STDCPP_RUSTFLAGS_$(1) =
  90 endif
  91
  92
  93 # LLVM linkage:
  94 # Note: Filter with llvm-config so that optional targets which aren't present
  95 # don't cause errors (ie PNaCl's target is only present within PNaCl's LLVM
  96 # fork).
  97 LLVM_LINKAGE_PATH_$(1):=$$(abspath $$(RT_OUTPUT_DIR_$(1))/llvmdeps.rs)
  98 $$(LLVM_LINKAGE_PATH_$(1)): $(S)src/etc/mklldeps.py $$(LLVM_CONFIG_$(1))
  99         $(Q)$(CFG_PYTHON) "$$<" "$$@" "$$(filter $$(shell \
 100                                 $$(LLVM_CONFIG_$(1)) --components), \
 101                         $(LLVM_OPTIONAL_COMPONENTS)) $(LLVM_REQUIRED_COMPONENTS)" \
 102                 "$$(CFG_ENABLE_LLVM_STATIC_STDCPP)" $$(LLVM_CONFIG_$(1)) \
 103                 "$(CFG_STDCPP_NAME)" "$$(CFG_USING_LIBCPP)"
 104 endef
 105
 106 $(foreach host,$(CFG_HOST), \
 107  $(eval $(call DEF_LLVM_RULES,$(host))))
 108
 109 $(foreach host,$(CFG_HOST), \
 110  $(eval LLVM_CONFIGS := $(LLVM_CONFIGS) $(LLVM_CONFIG_$(host))))
 111
 112 # This can't be done in target.mk because it's included before this file.
 113 define LLVM_LINKAGE_DEPS
 114 $$(TLIB$(1)_T_$(2)_H_$(3))/stamp.rustc_llvm: $$(LLVM_LINKAGE_PATH_$(2))
 115 RUSTFLAGS$(1)_rustc_llvm_T_$(2) += $$(shell echo $$(LLVM_ALL_COMPONENTS_$(2)) | tr '-' '_' |\
 116         sed -e 's/^ //;s/\([^ ]*\)/\-\-cfg "llvm_component=\\"\1\\""/g')
 117 endef
 118
 119 $(foreach source,$(CFG_HOST), \
 120  $(foreach target,$(CFG_TARGET), \
 121   $(eval $(call LLVM_LINKAGE_DEPS,0,$(target),$(source))) \
 122   $(eval $(call LLVM_LINKAGE_DEPS,1,$(target),$(source))) \
 123   $(eval $(call LLVM_LINKAGE_DEPS,2,$(target),$(source))) \
 124   $(eval $(call LLVM_LINKAGE_DEPS,3,$(target),$(source)))))