Updates to handle new Cabal
[ghc.git] / rules / distdir-way-opts.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://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
9 # http://ghc.haskell.org/trac/ghc/wiki/Building/Modifying
10 #
11 # -----------------------------------------------------------------------------
12
13
14 # Set compilation flags that additionally depend on a particular way
15
16 define distdir-way-opts # args: $1 = dir, $2 = distdir, $3 = way, $4 = stage
17
18 # Here is how the command line for a Haskell compilation is constructed.
19 # $1 is the directory we're building in
20 # $2 is the distdir (e.g. "dist", "dist-install" etc.)
21 # $3 is the way (e.g. "v", "p", etc.)
22 # $4 is the stage ("0", "1", "2") that the options are passed to
23 # See Note [Stage number in build variables]
24 # in mk/config.mk.in.
25 #
26 # -----------------------------
27 # The variables affecting Haskell compilations are as follows, including
28 # the places in the build system that may define them.
29 #
30 # Variable Purpose Defined by
31 # -------------- ------------------------------ --------------
32 # $1_PACKAGE Package name for this dir, $1/$2/ghc.mk
33 # if it is a package
34 #
35 # CONF_HC_OPTS GHC options from ./configure mk/config.mk.in
36 #
37 # CONF_HC_OPTS_STAGE$4 GHC options from ./configure mk/config.mk.in
38 # specific to stage $4
39 #
40 # WAY_$3_HC_OPTS GHC options specific to way $3 mk/ways.mk
41 #
42 # SRC_HC_OPTS source-tree-wide GHC options mk/config.mk.in
43 # mk/build.mk
44 # mk/validate.mk
45 # mk/warnings.mk
46 #
47 # SRC_HC_OPTS_STAGE$4 source-tree-wide GHC options, mk/config.mk.in
48 # supplied to the stage $4 mk/build.mk
49 # compiler only mk/validate.mk
50 # mk/warnings.mk
51 #
52 # SRC_HC_WARNING_OPTS source-tree-wide GHC warning mk/config.mk.in
53 # options mk/build.mk
54 # mk/validate.mk
55 # mk/warnings.mk
56 #
57 # SRC_HC_WARNING_OPTS_STAGE$4 mk/config.mk.in
58 # source-tree-wide GHC warning mk/build.mk
59 # options, supplied to the mk/validate.mk
60 # stage $4 compiler only mk/warnings.mk
61 #
62 # EXTRA_HC_OPTS for supplying extra options on make EXTRA_HC_OPTS=...
63 # the command line
64 #
65 # $1_HC_OPTS GHC options specific to this $1/$2/package-data.mk
66 # dir
67 #
68 # $1_$2_HC_OPTS GHC options specific to this $1/$2/package-data.mk
69 # dir and distdir
70 #
71 # $1_$2_$3_HC_OPTS GHC options specific to this $1/$2/package-data.mk
72 # dir, distdir and way
73 #
74 # $1_$2_MORE_HC_OPTS GHC options for this dir/distdir ???
75 #
76 # $1_$2_EXTRA_HC_OPTS GHC options for this dir/distdir mk/build.mk
77 # mk/warnings.mk
78 #
79 # $1_$2_HC_PKGCONF -package-db flag if necessary rules/package-config.mk
80 #
81 # $1_$2_HS_SRC_DIRS dirs relative to $1 containing $1/$2/package-data.mk
82 # source files
83 #
84 # $1_$2_CPP_OPTS CPP options $1/$2/package-data.mk
85 #
86 # <file>_HC_OPTS GHC options for this source $1/$2/ghc.mk
87 # file (without the extension)
88
89 # -----------------------------
90
91 # The actual options passed to a Haskell compilation are defined
92 # below. Note that in general, more specific sets of options come
93 # after the less specific, so that we can override global options
94 # on a per-directory or per-way basis, for example.
95
96 # $1_$2_$3_MOST_HC_OPTS is also passed to C compilations when we use
97 # GHC as the C compiler.
98
99 ifeq "$(SUPPORTS_THIS_UNIT_ID)" "NO"
100 ifeq "$4" "0"
101 $4_USE_THIS_UNIT_ID=NO
102 endif
103 endif
104
105 $1_$2_$4_DEP_OPTS = \
106 $$(foreach pkg,$$($1_$2_DEP_IPIDS),-package-id $$(pkg))
107
108 ifeq "$($4_USE_THIS_UNIT_ID)" "NO"
109 $4_THIS_UNIT_ID = -this-package-key
110 else
111 $4_THIS_UNIT_ID = -this-unit-id
112 endif
113
114 $1_$2_$3_MOST_HC_OPTS = \
115 $$(WAY_$3_HC_OPTS) \
116 $$(CONF_HC_OPTS) \
117 $$(SRC_HC_OPTS) \
118 $$(SRC_HC_OPTS_STAGE$4) \
119 $$($1_HC_OPTS) \
120 $$($1_$2_HC_PKGCONF) \
121 $$(if $$($1_$2_PROG),, \
122 $$(if $$($1_PACKAGE),$$($4_THIS_UNIT_ID) $$($1_$2_COMPONENT_ID))) \
123 $$(if $$($1_PACKAGE),-hide-all-packages) \
124 -i $$(if $$($1_$2_HS_SRC_DIRS),$$(foreach dir,$$($1_$2_HS_SRC_DIRS),-i$1/$$(dir)),-i$1) \
125 -i$1/$2/build \
126 -I$1/$2/build \
127 -i$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
128 -I$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen \
129 $$(foreach dir,$$(filter-out /%,$$($1_$2_INCLUDE_DIRS)),-I$1/$$(dir)) \
130 $$(foreach dir,$$(filter /%,$$($1_$2_INCLUDE_DIRS)),-I$$(dir)) \
131 $$(foreach inc,$$($1_$2_INCLUDE),-\#include "$$(inc)") \
132 $$(foreach opt,$$($1_$2_CPP_OPTS),-optP$$(opt)) \
133 $$(if $$($1_PACKAGE),-optP-include \
134 -optP$1/$2/build/$$(or $$($1_EXECUTABLE),$$($1_$2_PROGNAME),.)/autogen/cabal_macros.h) \
135 $$($1_$2_$4_DEP_OPTS) \
136 $$($1_$2_HC_OPTS) \
137 $$(CONF_HC_OPTS_STAGE$4) \
138 $$($1_$2_MORE_HC_OPTS) \
139 $$($1_$2_EXTRA_HC_OPTS) \
140 $$($1_$2_$3_HC_OPTS) \
141 $$($$(basename $$(subst ./,,$$<))_HC_OPTS) \
142 $$(SRC_HC_WARNING_OPTS) \
143 $$(SRC_HC_WARNING_OPTS_STAGE$4) \
144 $$(EXTRA_HC_OPTS)
145
146 # What is going on with $1_EXECUTABLE? Recent version of Cabal
147 # place the cabal_macros.h for executables in build/exename/autogen
148 # rather than the traditional build/autogen. This is Right(TM)
149 # thing to do, but we have to accommodate it. Usually, it suffices
150 # to look in the PROGNAME, but for ghc the PROGNAME is ghc-stage1
151 # while Cabal puts it in 'ghc', so we $1_EXECUTABLE is for that
152 # case.
153
154 $1_$2_$3_MOST_DIR_HC_OPTS = \
155 $$($1_$2_$3_MOST_HC_OPTS) \
156 -odir $1/$2/build -hidir $1/$2/build -stubdir $1/$2/build
157
158 # NB. CONF_HC_OPTS_STAGE$4 has to be late enough to override $1_$2_HC_OPTS, so
159 # that -O0 is effective (see #5484)
160
161 # $1_$2_$3_ALL_HC_OPTS: this is all the options we will pass to GHC
162 # for a given ($1,$2,$3).
163 $1_$2_$3_ALL_HC_OPTS = \
164 -hisuf $$($3_hisuf) -osuf $$($3_osuf) -hcsuf $$($3_hcsuf) \
165 $$($1_$2_$3_MOST_DIR_HC_OPTS) \
166 $$(if $$(findstring YES,$$($1_$2_SplitObjs)),$$(if $$(findstring dyn,$3),,-split-objs),) \
167 $$(if $$(findstring YES,$$($1_$2_SplitSections)),$$(if $$(findstring dyn,$3),,-split-sections),) \
168 $$(if $$(findstring YES,$$($1_$2_DYNAMIC_TOO)),$$(if $$(findstring v,$3),-dynamic-too))
169
170 ifeq "$3" "dyn"
171 ifeq "$$(HostOS_CPP)" "mingw32"
172 ifneq "$$($1_$2_dll0_MODULES)" ""
173 $1_$2_$3_ALL_HC_OPTS += -dll-split $1/$2/dll-split
174 endif
175 endif
176 endif
177
178 $1_$2_$3_ALL_CC_OPTS = \
179 $$(WAY_$3_CC_OPTS) \
180 $$($1_$2_DIST_GCC_CC_OPTS) \
181 $$($1_$2_$3_CC_OPTS) \
182 $$($$(basename $$<)_CC_OPTS) \
183 $$($1_$2_EXTRA_CC_OPTS) \
184 $$(EXTRA_CC_OPTS)
185
186 $1_$2_$3_GHC_CC_OPTS = \
187 $$(addprefix -optc, $$($1_$2_$3_ALL_CC_OPTS)) \
188 $$($1_$2_$3_MOST_HC_OPTS)
189
190 # Options for passing to plain ld
191 $1_$2_$3_ALL_LD_OPTS = \
192 $$(WAY_$3_LD_OPTS) \
193 $$($1_$2_DIST_LD_OPTS) \
194 $$($1_$2_$3_LD_OPTS) \
195 $$($1_$2_EXTRA_LD_OPTS) \
196 $$(EXTRA_LD_OPTS)
197
198 # Options for passing to GHC when we use it for linking
199 $1_$2_$3_GHC_LD_OPTS = \
200 $$(addprefix -optl, $$($1_$2_$3_ALL_LD_OPTS)) \
201 $$($1_$2_$3_MOST_HC_OPTS)
202
203 $1_$2_$3_ALL_AS_OPTS = \
204 $$(CONF_AS_OPTS) \
205 $$(SRC_AS_OPTS) \
206 $$(WAY_$3_AS_OPTS) \
207 $$($1_AS_OPTS) \
208 $$($1_$2_AS_OPTS) \
209 $$($1_$2_$3_AS_OPTS) \
210 $$(EXTRA_AS_OPTS)
211
212 ifeq "$3" "dyn"
213 ifneq "$4" "0"
214 ifeq "$$(TargetElf)" "YES"
215 $1_$2_$3_GHC_LD_OPTS += \
216 -fno-use-rpaths \
217 $$(foreach d,$$($1_$2_TRANSITIVE_DEP_COMPONENT_IDS),-optl-Wl$$(comma)-rpath -optl-Wl$$(comma)'$$$$ORIGIN/../$$d') -optl-Wl,-zorigin
218 else ifeq "$$(TargetOS_CPP)" "darwin"
219 $1_$2_$3_GHC_LD_OPTS += \
220 -fno-use-rpaths \
221 $$(foreach d,$$($1_$2_TRANSITIVE_DEP_COMPONENT_IDS),-optl-Wl$$(comma)-rpath -optl-Wl$$(comma)'@loader_path/../$$d')
222 endif
223 endif
224 endif
225
226 endef
227