Move some make variables around
[ghc-hetmet.git] / 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 define build-package
32 $(call trace, build-package($1,$2,$3))
33 # $1 = dir
34 # $2 = distdir
35 # $3 = GHC stage to use (0 == bootstrapping compiler)
36
37 ifeq "$$(findstring $3,0 1 2)" ""
38 $$(error $1/$2: stage argument to build-package should be 0, 1, or 2)
39 endif
40
41 $(call clean-target,$1,$2,$1/$2)
42
43 distclean : clean_$1_$2_config
44
45 maintainer-clean : distclean
46
47 .PHONY: clean_$1_$2_config
48 clean_$1_$2_config:
49         "$$(RM)" $$(RM_OPTS) $1/config.log $1/config.status $1/include/Hs*Config.h
50         "$$(RM)" $$(RM_OPTS_REC) $1/autom4te.cache
51
52 ifneq "$$($1_$2_NOT_NEEDED)" "YES"
53 $$(eval $$(call build-package-helper,$1,$2,$3))
54 endif
55 endef
56
57
58 define build-package-helper
59 # $1 = dir
60 # $2 = distdir
61 # $3 = GHC stage to use (0 == bootstrapping compiler)
62
63 # --- CONFIGURATION
64
65 $(call package-config,$1,$2,$3)
66
67 # Bootstrapping libs are only built one way
68 ifeq "$3" "0"
69 $1_$2_WAYS = v
70 else
71 $1_$2_WAYS = $$(GhcLibWays)
72 endif
73
74 # We must use a different dependency file if $(GhcLibWays) changes, so
75 # encode the ways into the name of the file.
76 $1_$2_WAYS_DASHED = $$(subst $$(space),,$$(patsubst %,-%,$$(strip $$($1_$2_WAYS))))
77 $1_$2_depfile_base = $1/$2/build/.depend$$($1_$2_WAYS_DASHED)
78
79 ########################################
80 ifeq "$$($1_$2_CONFIGURE_PHASE)" ""
81 $$(error No configure phase for $1_$2)
82 else ifeq "$$($1_$2_CONFIGURE_PHASE)" "$$(phase)"
83
84 ifeq "$$(DEBUG)" "YES"
85 $$(warning $1/$2 configure phase)
86 endif
87
88 ifneq "$$(BINDIST)" "YES"
89 $(call build-package-data,$1,$2,$3)
90 endif
91
92 ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
93 include $1/$2/package-data.mk
94 endif
95
96 else ifeq "$$(phase_$$($1_$2_CONFIGURE_PHASE)_or_later)" "YES"
97
98 ifeq "$$(DEBUG)" "YES"
99 $$(warning $1/$2 build phase)
100 endif
101
102 ifneq "$$(NO_INCLUDE_PKGDATA)" "YES"
103 include $1/$2/package-data.mk
104 ifeq "$$($1_$2_VERSION)" ""
105 $$(error No version for $1_$2 found)
106 endif
107 endif
108
109 $(call all-target,$1,all_$1_$2)
110
111 else
112
113 ifeq "$$(DEBUG)" "YES"
114 $$(warning $1/$2 disabled phase)
115 endif
116
117 endif
118 ########################################
119
120 # We don't install things compiled by stage 0, so no need to put them
121 # in the bindist.
122 ifneq "$$(BINDIST) $3" "YES 0"
123
124 # This give us things like
125 #     all_libraries: all_libraries/base_dist-install
126 ifneq "$$($1_$2_GROUP)" ""
127 all_$$($1_$2_GROUP): all_$1_$2
128 endif
129
130 ifneq "$$(CHECKED_$1)" "YES"
131 CHECKED_$1 = YES
132 check_packages: check_$1
133 .PHONY: check_$1
134 check_$1: $$(GHC_CABAL_INPLACE)
135         $$(GHC_CABAL_INPLACE) check $1
136 endif
137
138 ifeq "$$(phase_$$($1_$2_CONFIGURE_PHASE)_done)" "YES"
139
140 $(call hs-sources,$1,$2)
141 $(call c-sources,$1,$2)
142 $(call includes-sources,$1,$2)
143
144 # --- DEPENDENCIES
145
146 $(call build-dependencies,$1,$2,$3)
147
148 # --- BUILDING
149
150 # We don't bother splitting the bootstrap packages (built with stage 0)
151 ifeq "$$($1_$2_SplitObjs)" ""
152 ifeq "$$(SplitObjs) $3" "YES 1"
153 $1_$2_SplitObjs = YES
154 else
155 $1_$2_SplitObjs = NO
156 endif
157 endif
158
159 # C and S files are possibly built the "dyn" way.
160 ifeq "$$(BuildSharedLibs)" "YES"
161 $(call c-objs,$1,$2,dyn)
162 $(call c-suffix-rules,$1,$2,dyn,YES)
163 endif
164
165 # Now generate all the build rules for each way in this directory:
166 $$(foreach way,$$($1_$2_WAYS),$$(eval \
167     $$(call c-objs,$1,$2,$$(way)) \
168         $$(call c-suffix-rules,$1,$2,$$(way),YES) \
169     $$(call cmm-objs,$1,$2,$$(way)) \
170     $$(call cmm-suffix-rules,$1,$2,$$(way)) \
171     $$(call build-package-way,$1,$2,$$(way),$3) \
172   ))
173
174 $(call haddock,$1,$2)
175
176 endif # package-data.mk exists
177
178 # Don't put bootstrapping packages in the bindist
179 ifneq "$3" "0"
180 BINDIST_EXTRAS += $1/*.cabal $$(wildcard $1/*.buildinfo) $1/$2/setup-config $1/LICENSE
181 BINDIST_EXTRAS += $$($1_$2_INSTALL_INCLUDES_SRCS)
182 endif
183
184 endif
185
186 endef
187