rules/build-package.mk

   1 # -----------------------------------------------------------------------------
   2 #
   3 # (c) 2009 The University of Glasgow
   4 #
   5 # This file is part of the GHC build system.
   6 #
   7 # To understand how the build system works and how to modify it, see
   8 #      http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
   9 #      http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
  10 #
  11 # -----------------------------------------------------------------------------
  12
  13
  14 # Build a package with the stage-1 compiler, multiple ways.  A typical
  15 # libraries/foo/ghc.mk will look like this:
  16 #
  17 # $(eval $(call build-package,libraries/base,dist-install))
  18 #
  19 # The package metadata is generated from the .cabal file and placed in
  20 # package-data.mk.  It will look something like this:
  21 #
  22 # libraries/base_dist_MODULES = GHC.Base Data.Tuple ...
  23 # libraries/base_dist_PACKAGE = base
  24 # libraries/base_dist_VERSION = 4.0.0.0
  25 # libraries/base_dist_HC_OPTS = -package ghc-prim-0.1.0.0 -XRank2Types ...
  26 # libraries/base_dist_C_SRCS  = cbits/PrelIOUtils.c ...
  27 # libraries/base_dist_S_SRCS  = cbits/foo.S ...
  28 # libraries/base_dist_CC_OPTS = -Iinclude ...
  29 # libraries/base_dist_LD_OPTS = -package ghc-prim-0.1.0.0
  30
  31 # TODO: soext
  32
  33 define build-package
  34 # $1 = dir
  35 # $2 = distdir
  36 # $3 = GHC stage to use (0 == bootstrapping compiler)
  37
  38 ifeq "$$(findstring $3,0 1 2)" ""
  39 $$(error $1/$2: stage argument to build-package should be 0, 1, or 2)
  40 endif
  41
  42 # We don't install things compiled by stage 0, so no need to put them
  43 # in the bindist.
  44 ifneq "$(BINDIST) $3" "YES 0"
  45
  46 $(call all-target,$1,all_$1_$2)
  47
  48 $(call clean-target,$1,$2,$1/$2)
  49
  50 distclean : clean_$1_$2_config
  51
  52 .PHONY: clean_$1_$2_config
  53 clean_$1_$2_config:
  54         $(RM) $1/config.log $1/config.status $1/include/Hs*Config.h
  55         $(RM) -r $1/autom4te.cache
  56
  57 # --- CONFIGURATION
  58
  59 $1_$2_USE_BOOT_LIBS = YES
  60 $(call package-config,$1,$2,$3)
  61
  62 ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
  63 include $1/$2/package-data.mk
  64 endif
  65
  66 ifeq "$$($1_$2_DISABLE)" "YES"
  67
  68 ifeq "$$(DEBUG)" "YES"
  69 $$(warning $1/$2 disabled)
  70 endif
  71
  72 # A package is disabled when we want to bring its package-data.mk file
  73 # up-to-date first, or due to other build dependencies.
  74
  75 $(call all-target,$1_$2,$1/$2/package-data.mk)
  76
  77 ifneq "$(BINDIST)" "YES"
  78 # We have a rule for package-data.mk only when the package is
  79 # disabled, because we want the build to fail if we haven't run phase 0.
  80 $(call build-package-data,$1,$2)
  81 endif
  82
  83 else
  84
  85 ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
  86 ifeq "$$($1_$2_VERSION)" ""
  87 $$(error phase ordering error: $1/$2 is enabled, but $1/$2/package-data.mk does not exist)
  88 endif
  89 endif
  90
  91 # Sometimes we need to modify the automatically-generated package-data.mk
  92 # bindings in a special way for the GHC build system, so allow that here:
  93 $($1_PACKAGE_MAGIC)
  94
  95 # Bootstrapping libs are only built one way
  96 ifeq "$3" "0"
  97 $1_$2_WAYS = v
  98 else
  99 $1_$2_WAYS = $$(GhcLibWays)
 100 endif
 101
 102 $(call hs-sources,$1,$2)
 103 $(call c-sources,$1,$2)
 104 $(call includes-sources,$1,$2)
 105
 106 # --- DEPENDENCIES
 107
 108 # We must use a different dependency file if $(GhcLibWays) changes, so
 109 # encode the ways into the name of the file.
 110 $1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
 111 $1_$2_depfile = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)
 112
 113 $(call build-dependencies,$1,$2)
 114
 115 # --- BUILDING
 116
 117 # We don't bother splitting the bootstrap packages (built with stage 0)
 118 ifeq "$$($1_$2_SplitObjs)" ""
 119 ifeq "$$(SplitObjs) $3" "YES 1"
 120 $1_$2_SplitObjs = YES
 121 else
 122 $1_$2_SplitObjs = NO
 123 endif
 124 endif
 125
 126 # C and S files are built the "v" vanlilla way
 127 $(call c-objs,$1,$2,v)
 128 $(call distdir-opts,$1,$2,$3)
 129 $(call c-suffix-rules,$1,$2,v,YES)
 130
 131 # Now generate all the build rules for each way in this directory:
 132 $$(foreach way,$$($1_$2_WAYS),$$(eval $$(call build-package-way,$1,$2,$$(way),$3)))
 133
 134 $(call haddock,$1,$2)
 135
 136 endif # package-data.mk exists
 137
 138 # Don't put bootstrapping packages in the bindist
 139 ifeq "$3" "1"
 140 BINDIST_EXTRAS += $1/*.cabal $1/$2/setup-config $1/LICENSE
 141 BINDIST_EXTRAS += $$($1_$2_INSTALL_INCLUDES_SRCS)
 142 endif
 143
 144 endif
 145
 146 endef
 147