make-rules/prep.mk

   1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 # Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
  22 #
  23
  24 # One must do all unpack and patch in sequence.
  25 .NOTPARALLEL: (SOURCE_DIR)/.prep
  26
  27 UNPACK =        $(WS_TOOLS)/userland-unpack
  28 FETCH =         $(WS_TOOLS)/userland-fetch
  29
  30 ARCHIVES += $(COMPONENT_ARCHIVE)
  31 CLEAN_PATHS += $(SOURCE_DIR)
  32
  33 # In order to override PATCH_DIR and PATCH_PATTERN in component makefiles, they
  34 # need to be conditionally set here.  This means that the override needs to
  35 # happen prior to including prep.mk.  Otherwise other variables set here which
  36 # are based on those will be expanded too early for the override to take
  37 # effect.
  38 # You also can't override PATCHES after including prep.mk; if you want to
  39 # append filenames to PATCHES, you'll have to set $(EXTRA_PATCHES) prior to
  40 # inclusion.
  41 PATCH_DIR ?=    patches
  42
  43 # we may need patches only for use with parfait
  44 ifeq   ($(strip $(PARFAIT_BUILD)),yes)
  45 PARFAIT_PATCH_DIR =     parfait
  46 endif
  47 PATCH_PATTERN ?=        *.patch
  48 PATCHES =       $(shell find $(PATCH_DIR) $(PARFAIT_PATCH_DIR) -type f -name '$(PATCH_PATTERN)' \
  49                                 2>/dev/null | sort) $(EXTRA_PATCHES)
  50
  51 # Rule to perform the patching.
  52 $(SOURCE_DIR)/.%ed:     $(PATCH_DIR)/%
  53         $(GPATCH) -d $(@D) $(GPATCH_FLAGS) < $<
  54         $(TOUCH) $@
  55
  56 # Parfait patches rule: TODO - Integrate with other patch rules
  57 ifeq   ($(strip $(PARFAIT_BUILD)),yes)
  58 $(SOURCE_DIR)/.%ed:     $(PARFAIT_PATCH_DIR)/%
  59         $(GPATCH) -d $(@D) $(GPATCH_FLAGS) < $<
  60         $(TOUCH) $@
  61 endif
  62
  63 # Template for download rules.
  64 define download-rule
  65 ARCHIVES += $$(COMPONENT_ARCHIVE$(1))
  66 CLOBBER_PATHS += $$(COMPONENT_ARCHIVE$(1))
  67 $$(USERLAND_ARCHIVES)$$(COMPONENT_ARCHIVE$(1)): Makefile
  68         $$(FETCH) --file $$@ \
  69                 $$(COMPONENT_ARCHIVE_URL$(1):%=--url %) \
  70                 $$(COMPONENT_ARCHIVE_HASH$(1):%=--hash %)
  71         $$(TOUCH) $$@
  72 endef
  73
  74 # Template for patching rules, note that patching is actually done by the
  75 # %.ed pattern rule above.
  76 # To maintain backwards compatibility, the flag PATCH_EACH_ARCHIVE must
  77 # be non-empty in order to activate individual archive patching.
  78 define patch-rule
  79 ifneq ($(strip $$(PATCH_EACH_ARCHIVE)),)
  80 # Prepend the patch directory to each archive patch.
  81 #$$(COMPONENT_PATCHES$(1):%=$$(PATCH_DIR)/%)
  82 #PATCHDIR_PATCHES$(1) += $$(COMPONENT_PATCHES)
  83 PATCHDIR_PATCHES$(1) += $$(foreach patch,$$(COMPONENT_PATCHES$(1)), \
  84                                                  $$(PATCH_DIR)/$$(patch))
  85 else
  86 PATCHDIR_PATCHES = $$(PATCHES)
  87 endif
  88 # Substitute the patch dir for the source dir on the patches
  89 STAMPS$(1)+= $$(PATCHDIR_PATCHES$(1):$$(PATCH_DIR)/%=$$(SOURCE_DIR)/.%ed)
  90 ifeq   ($(strip $(PARFAIT_BUILD)),yes)
  91 STAMPS$(1)+= $$(PATCHDIR_PATCHES$(1):$$(PARFAIT_PATCH_DIR)/%=$$(SOURCE_DIR)/.%ed)
  92 endif
  93 $$(SOURCE_DIR)/.patched$(1): $$(SOURCE_DIR)/.unpacked$(1) $$(STAMPS$(1))
  94         $$(TOUCH) $$@
  95 endef
  96
  97 # Template for unpacking rules.
  98 define unpack-rule
  99 $$(SOURCE_DIR)/.unpacked$(1): download Makefile $$(PATCHDIR_PATCHES$(1))
 100         $$(RM) -r $$(COMPONENT_SRC$(1))
 101         $$(UNPACK) $$(UNPACK_ARGS$(1)) \
 102                 $$(USERLAND_ARCHIVES)$$(COMPONENT_ARCHIVE$(1))
 103         $$(COMPONENT_POST_UNPACK_ACTION$(1))
 104         $$(TOUCH) $$@
 105 endef
 106
 107 # If an archive is defined, create a download, unpack and patch rule.
 108 define archive-rule
 109 ifneq ($(strip $$(COMPONENT_ARCHIVE$(1))),)
 110 $(eval $(call download-rule,$(1)))
 111 $(eval $(call unpack-rule,$(1)))
 112 $(eval $(call patch-rule,$(1)))
 113 ARCHIVE_STAMPS +=$$(SOURCE_DIR)/.patched$(1)
 114 endif
 115 endef
 116
 117 # Calculate the number of defined archives.
 118 # Always generate at least the basic prep rules.
 119 # Work out if there are any other archives to be downloaded and patched.
 120 $(eval $(call archive-rule,))
 121 ifneq ($(strip $(PATCH_EACH_ARCHIVE)),)
 122 $(foreach suffix,$(NUM_EXTRA_ARCHIVES), \
 123         $(eval $(call archive-rule,_$(suffix))))
 124 else
 125 # Backwards compatibility - only download, do not unpack or patch automatically
 126 $(foreach suffix,$(NUM_EXTRA_ARCHIVES), \
 127         $(eval $(call download-rule,_$(suffix))))
 128 endif
 129
 130 $(SOURCE_DIR)/.prep: $(ARCHIVE_STAMPS)
 131         $(COMPONENT_PREP_ACTION)
 132         $(TOUCH) $@
 133
 134 prep::  $(SOURCE_DIR)/.prep
 135
 136 download::      $(ARCHIVES:%=$(USERLAND_ARCHIVES)%)
 137
 138 clean::
 139         $(RM) -r $(CLEAN_PATHS)
 140
 141 clobber::       clean
 142         $(RM) -r $(CLOBBER_PATHS)