remove unnecessary $(RM)s
[ghc.git] / rts / ghc.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 # Building the RTS
15
16 # We build the RTS with stage 1
17 rts_dist_HC = $(GHC_STAGE1)
18
19 # merge GhcLibWays and GhcRTSWays but strip out duplicates
20 rts_WAYS = $(GhcLibWays) $(filter-out $(GhcLibWays),$(GhcRTSWays))
21
22 ALL_RTS_LIBS = $(foreach way,$(rts_WAYS),rts/dist/build/libHSrts$($(way)_libsuf)) \
23 rts/dist/build/libHSrtsmain.a
24 all_rts : $(ALL_RTS_LIBS)
25
26 # The per-dir options
27 $(eval $(call distdir-opts,rts,dist))
28
29 # -----------------------------------------------------------------------------
30 # Defining the sources
31
32 ALL_DIRS = hooks parallel sm eventlog
33
34 ifeq "$(HOSTPLATFORM)" "i386-unknown-mingw32"
35 ALL_DIRS += win32
36 else
37 ALL_DIRS += posix
38 endif
39
40 EXCLUDED_SRCS += rts/Main.c
41 EXCLUDED_SRCS += rts/parallel/SysMan.c
42 EXCLUDED_SRCS += rts/dyn-wrapper.c
43 EXCLUDED_SRCS += $(wildcard rts/Vis*.c)
44
45 rts_C_SRCS = $(filter-out $(EXCLUDED_SRCS),$(wildcard rts/*.c $(foreach dir,$(ALL_DIRS),rts/$(dir)/*.c)))
46 rts_CMM_SRCS = $(wildcard rts/*.cmm)
47
48 # Don't compile .S files when bootstrapping a new arch
49 ifeq "$(TARGETPLATFORM)" "$(HOSTPLATFORM)"
50 ifneq "$(findstring $(TargetArch_CPP), powerpc powerpc64)" ""
51 rts_S_SRCS += rts/AdjustorAsm.S
52 else
53 ifneq "$(findstring $(TargetOS_CPP), darwin)" ""
54 rts_S_SRCS += rts/AdjustorAsm.S
55 endif
56 endif
57 endif
58
59 ifeq "$(GhcUnregisterised)" "YES"
60 GENAPPLY_OPTS = -u
61 endif
62
63 rts_AUTO_APPLY_CMM = rts/dist/build/AutoApply.cmm
64
65 $(rts_AUTO_APPLY_CMM): $(GENAPPLY_INPLACE)
66 "$(GENAPPLY_INPLACE)" >$@
67
68 rts/dist/build/sm/Evac_thr.c : rts/sm/Evac.c
69 "$(MKDIRHIER)" $(dir $@)
70 cp $< $@
71 rts/dist/build/sm/Scav_thr.c : rts/sm/Scav.c
72 "$(MKDIRHIER)" $(dir $@)
73 cp $< $@
74
75 rts_H_FILES = $(wildcard $(GHC_INCLUDE_DIR)/*.h) $(wildcard rts/*.h)
76
77 # collect the -l flags that we need to link the rts dyn lib.
78 rts/libs.depend : $(GHC_PKG_INPLACE)
79 "$(GHC_PKG_INPLACE)" field rts extra-libraries \
80 | sed -e 's/^extra-libraries: //' -e 's/\([a-z]*\)/-l\1/g' > $@
81
82 #-----------------------------------------------------------------------------
83 # Building one way
84
85 define build-rts-way # args: $1 = way
86
87 # The per-way CC_OPTS
88 ifneq "$$(findstring debug, $1)" ""
89 rts_dist_$1_HC_OPTS =
90 rts_dist_$1_CC_OPTS = -g -O0
91 else
92 rts_dist_$1_HC_OPTS = $$(GhcRtsHcOpts)
93 rts_dist_$1_CC_OPTS = $$(GhcRtsCcOpts)
94 endif
95
96 ifneq "$$(findstring thr, $1)" ""
97 rts_$1_EXTRA_C_SRCS = rts/dist/build/sm/Evac_thr.c rts/dist/build/sm/Scav_thr.c
98 endif
99
100 $(call distdir-way-opts,rts,dist,$1)
101 $(call c-suffix-rules,rts,dist,$1,YES)
102 $(call cmm-suffix-rules,rts,dist,$1)
103
104 rts_$1_LIB = rts/dist/build/libHSrts$$($1_libsuf)
105
106 rts_$1_C_OBJS = $$(patsubst rts/%.c,rts/dist/build/%.$$($1_osuf),$$(rts_C_SRCS)) $$(patsubst %.c,%.$$($1_osuf),$$(rts_$1_EXTRA_C_SRCS))
107 rts_$1_S_OBJS = $$(patsubst rts/%.S,rts/dist/build/%.$$($1_osuf),$$(rts_S_SRCS))
108 rts_$1_CMM_OBJS = $$(patsubst rts/%.cmm,rts/dist/build/%.$$($1_osuf),$$(rts_CMM_SRCS)) $$(patsubst %.cmm,%.$$($1_osuf),$$(rts_AUTO_APPLY_CMM))
109
110 rts_$1_OBJS = $$(rts_$1_C_OBJS) $$(rts_$1_S_OBJS) $$(rts_$1_CMM_OBJS)
111
112 rts_dist_$1_CC_OPTS += -DRtsWay=$$(DQ)rts_$1$$(DQ)
113
114 ifneq "$$(findstring dyn, $1)" ""
115 $$(rts_$1_LIB) : $$(rts_$1_OBJS) rts/libs.depend
116 "$$(RM)" $$(RM_OPTS) $$@
117 "$$(rts_dist_HC)" -shared -dynamic -dynload deploy \
118 -no-auto-link-packages `cat rts/libs.depend` $$(rts_$1_OBJS) -o $$@
119 else
120 $$(rts_$1_LIB) : $$(rts_$1_OBJS)
121 "$$(RM)" $$(RM_OPTS) $$@
122 echo $$(rts_$1_OBJS) | $$(XARGS) $$(AR) $$(EXTRA_AR_ARGS) $$@
123 endif
124
125 endef
126
127 # And expand the above for each way:
128 $(foreach way,$(rts_WAYS),$(eval $(call build-rts-way,$(way))))
129
130 #-----------------------------------------------------------------------------
131 # Flags for compiling every file
132
133 # gcc provides lots of useful warnings if you ask it.
134 # This is a pretty good list to start with - use a # to comment out
135 # any you don't like.
136 WARNING_OPTS += -Wall
137 WARNING_OPTS += -W
138 WARNING_OPTS += -Wstrict-prototypes
139 WARNING_OPTS += -Wmissing-prototypes
140 WARNING_OPTS += -Wmissing-declarations
141 WARNING_OPTS += -Winline
142 WARNING_OPTS += -Waggregate-return
143 #WARNING_OPTS += -Wpointer-arith
144 #WARNING_OPTS += -Wbad-function-cast
145 #WARNING_OPTS += -Wcast-align
146 #WARNING_OPTS += -Wnested-externs
147 #WARNING_OPTS += -Wshadow
148 #WARNING_OPTS += -Wcast-qual
149 #WARNING_OPTS += -Wno-unused
150 #WARNING_OPTS += -Wredundant-decls
151 #WARNING_OPTS += -Wconversion
152
153 STANDARD_OPTS += -I$(GHC_INCLUDE_DIR) -I$(GHC_RTS_DIR) -Irts/parallel -Irts/sm -Irts/eventlog
154 # COMPILING_RTS is only used when building Win32 DLL support.
155 STANDARD_OPTS += -DCOMPILING_RTS
156
157 # HC_OPTS is included in both .c and .cmm compilations, whereas CC_OPTS is
158 # only included in .c compilations. HC_OPTS included the WAY_* opts, which
159 # must be included in both types of compilations.
160
161 rts_CC_OPTS += $(WARNING_OPTS)
162 rts_CC_OPTS += $(STANDARD_OPTS)
163
164 rts_HC_OPTS += $(STANDARD_OPTS) -package-name rts
165
166 ifneq "$(GhcWithSMP)" "YES"
167 rts_CC_OPTS += -DNOSMP
168 rts_HC_OPTS += -optc-DNOSMP
169 endif
170
171 ifeq "$(UseLibFFIForAdjustors)" "YES"
172 rts_CC_OPTS += -DUSE_LIBFFI_FOR_ADJUSTORS
173 endif
174
175 ifeq "$(Windows)" "YES"
176 # SDM: when compiled with -fasm the RTS currently has bogus references to
177 # __imp_base_ things, so working around for now:
178 rts_HC_OPTS += -fvia-C
179 endif
180
181 ifneq "$(DYNAMIC_RTS)" "YES"
182 rts_HC_OPTS += -static
183 else
184 $(error ToDo: DYNAMIC_RTS)
185 endif
186
187 # Mac OS X: make sure we compile for the right OS version
188 rts_CC_OPTS += $(MACOSX_DEPLOYMENT_CC_OPTS)
189 rts_HC_OPTS += $(addprefix -optc, $(MACOSX_DEPLOYMENT_CC_OPTS))
190 rts_LD_OPTS += $(addprefix -optl, $(MACOSX_DEPLOYMENT_LD_OPTS))
191
192 # Otherwise the stack-smash handler gets triggered.
193 ifeq "$(TargetOS_CPP)" "openbsd"
194 rts_HC_OPTS += -optc-fno-stack-protector
195 endif
196
197 # We *want* type-checking of hand-written cmm.
198 rts_HC_OPTS += -dcmm-lint
199
200 # -fno-strict-aliasing is required for the runtime, because we often
201 # use a variety of types to represent closure pointers (StgPtr,
202 # StgClosure, StgMVar, etc.), and without -fno-strict-aliasing gcc is
203 # allowed to assume that these pointers do not alias. eg. without
204 # this flag we get problems in sm/Evac.c:copy() with gcc 3.4.3, the
205 # upd_evacee() assigments get moved before the object copy.
206 rts_CC_OPTS += -fno-strict-aliasing
207
208 ifeq "$(BeConservative)" "YES"
209 rts_CC_OPTS += -DBE_CONSERVATIVE
210 endif
211
212 #-----------------------------------------------------------------------------
213 # Flags for compiling specific files
214
215 # XXX DQ is now the same on all platforms, so get rid of it
216 DQ = \"
217
218 # If RtsMain.c is built with optimisation then the SEH exception stuff on
219 # Windows gets confused.
220 # This has to be in HC rather than CC opts, as otherwise there's a
221 # -optc-O2 that comes after it.
222 RtsMain_HC_OPTS += -optc-O0
223
224 RtsMessages_CC_OPTS += -DProjectVersion=$(DQ)$(ProjectVersion)$(DQ)
225 RtsUtils_CC_OPTS += -DProjectVersion=$(DQ)$(ProjectVersion)$(DQ)
226 #
227 RtsUtils_CC_OPTS += -DHostPlatform=$(DQ)$(HOSTPLATFORM)$(DQ)
228 RtsUtils_CC_OPTS += -DHostArch=$(DQ)$(HostArch_CPP)$(DQ)
229 RtsUtils_CC_OPTS += -DHostOS=$(DQ)$(HostOS_CPP)$(DQ)
230 RtsUtils_CC_OPTS += -DHostVendor=$(DQ)$(HostVendor_CPP)$(DQ)
231 #
232 RtsUtils_CC_OPTS += -DBuildPlatform=$(DQ)$(BUILDPLATFORM)$(DQ)
233 RtsUtils_CC_OPTS += -DBuildArch=$(DQ)$(BuildArch_CPP)$(DQ)
234 RtsUtils_CC_OPTS += -DBuildOS=$(DQ)$(BuildOS_CPP)$(DQ)
235 RtsUtils_CC_OPTS += -DBuildVendor=$(DQ)$(BuildVendor_CPP)$(DQ)
236 #
237 RtsUtils_CC_OPTS += -DTargetPlatform=$(DQ)$(TARGETPLATFORM)$(DQ)
238 RtsUtils_CC_OPTS += -DTargetArch=$(DQ)$(TargetArch_CPP)$(DQ)
239 RtsUtils_CC_OPTS += -DTargetOS=$(DQ)$(TargetOS_CPP)$(DQ)
240 RtsUtils_CC_OPTS += -DTargetVendor=$(DQ)$(TargetVendor_CPP)$(DQ)
241 #
242 RtsUtils_CC_OPTS += -DGhcUnregisterised=$(DQ)$(GhcUnregisterised)$(DQ)
243 RtsUtils_CC_OPTS += -DGhcEnableTablesNextToCode=$(DQ)$(GhcEnableTablesNextToCode)$(DQ)
244
245 # ffi.h triggers prototype warnings, so disable them here:
246 Interpreter_CC_OPTS += -Wno-strict-prototypes
247 Adjustor_CC_OPTS += -Wno-strict-prototypes
248 sm/Storage_CC_OPTS += -Wno-strict-prototypes
249
250 StgCRun_CC_OPTS += -w
251 Typeable_CC_OPTS += -w
252 RetainerProfile_CC_OPTS += -w
253 RetainerSet_CC_OPTS += -Wno-format
254 sm/Compact_CC_OPTS += -w
255 # On Windows:
256 win32/ConsoleHandler_CC_OPTS += -w
257 win32/ThrIOManager_CC_OPTS += -w
258 win32/Ticker_CC_OPTS += -w
259 # The above warning supression flags are a temporary kludge.
260 # While working on this module you are encouraged to remove it and fix
261 # any warnings in the module. See
262 # http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
263 # for details
264
265 # Without this, thread_obj will not be inlined (at least on x86 with GCC 4.1.0)
266 sm/Compact_CC_OPTS += -finline-limit=2500
267
268 # -O3 helps unroll some loops (especially in copy() with a constant argument).
269 sm/Evac_CC_OPTS += -funroll-loops
270 sm/Evac_thr_HC_OPTS += -optc-funroll-loops
271
272 # These files are just copies of sm/Evac.c and sm/Scav.c respectively,
273 # but compiled with -DPARALLEL_GC.
274 sm/Evac_thr_HC_OPTS += -optc-DPARALLEL_GC
275 sm/Scav_thr_HC_OPTS += -optc-DPARALLEL_GC
276
277 #-----------------------------------------------------------------------------
278 # Add PAPI library if needed
279
280 ifeq "$(GhcRtsWithPapi)" "YES"
281
282 rts_CC_OPTS += -DUSE_PAPI
283
284 rts_PACKAGE_CPP_OPTS += -DUSE_PAPI
285 rts_PACKAGE_CPP_OPTS += -DPAPI_INCLUDE_DIR=$(PapiIncludeDir)
286 rts_PACKAGE_CPP_OPTS += -DPAPI_LIB_DIR=$(PapiLibDir)
287
288 ifneq "$(PapiIncludeDir)" ""
289 rts_HC_OPTS += -I$(PapiIncludeDir)
290 rts_CC_OPTS += -I$(PapiIncludeDir)
291 rts_HSC2HS_OPTS += -I$(PapiIncludeDir)
292 endif
293 ifneq "$(PapiLibDirs)" ""
294 rts_LD_OPTS += -L$(PapiLibDirs)
295 endif
296
297 else # GhcRtsWithPapi==YES
298
299 rts_PACKAGE_CPP_OPTS += -DPAPI_INCLUDE_DIR=""
300 rts_PACKAGE_CPP_OPTS += -DPAPI_LIB_DIR=""
301
302 endif
303
304 # -----------------------------------------------------------------------------
305 # dependencies
306
307 # Hack: we define every way-related option here, so that we get (hopefully)
308 # a superset of the dependencies. To do this properly, we should generate
309 # a different set of dependencies for each way. Further hack: PROFILING and
310 # TICKY_TICKY can't be used together, so we omit TICKY_TICKY for now.
311 rts_MKDEPENDC_OPTS += -DPROFILING -DTHREADED_RTS -DDEBUG
312
313 rts_WAYS_DASHED = $(subst $(space),,$(patsubst %,-%,$(strip $(rts_WAYS))))
314 rts_dist_depfile = rts/dist/build/.depend$(rts_WAYS_DASHED)
315
316 rts_dist_C_SRCS = $(rts_C_SRCS)
317 rts_dist_S_SRCS = $(rts_S_SRCS)
318 rts_dist_C_FILES = $(rts_C_SRCS) $(rts_S_SRCS)
319
320 $(eval $(call build-dependencies,rts,dist))
321
322 $(rts_dist_depfile) : libffi/ffi.h
323
324 #-----------------------------------------------------------------------------
325 # libffi stuff
326
327 rts_CC_OPTS += -Ilibffi/build/include
328 rts_HC_OPTS += -Ilibffi/build/include
329 rts_HSC2HS_OPTS += -Ilibffi/build/include
330 rts_LD_OPTS += -Llibffi/build/include
331
332 # -----------------------------------------------------------------------------
333 # compile generic patchable dyn-wrapper
334
335 DYNWRAPPER_SRC = rts/dyn-wrapper.c
336 DYNWRAPPER_PROG = rts/dyn-wrapper$(exeext)
337 $(DYNWRAPPER_PROG): $(DYNWRAPPER_SRC)
338 "$(HC)" -cpp -optc-include -optcdyn-wrapper-patchable-behaviour.h $(INPLACE_EXTRA_FLAGS) $< -o $@
339
340 # -----------------------------------------------------------------------------
341 # build the static lib containing the C main symbol
342
343 rts/dist/build/libHSrtsmain.a : rts/dist/build/Main.o
344 $(AR) $(EXTRA_AR_ARGS) $@ $<
345
346 # -----------------------------------------------------------------------------
347 # The RTS package config
348
349 # If -DDEBUG is in effect, adjust package conf accordingly..
350 ifneq "$(strip $(filter -optc-DDEBUG,$(GhcRtsHcOpts)))" ""
351 rts_PACKAGE_CPP_OPTS += -DDEBUG
352 endif
353
354 ifeq "$(HaveLibMingwEx)" "YES"
355 rts_PACKAGE_CPP_OPTS += -DHAVE_LIBMINGWEX
356 endif
357
358 $(eval $(call manual-package-config,rts))
359
360 ifneq "$(BootingFromHc)" "YES"
361 rts/package.conf.inplace : $(includes_H_CONFIG) $(includes_H_PLATFORM)
362 endif
363
364 # -----------------------------------------------------------------------------
365 # installing
366
367 install : install_rts
368
369 .PHONY: install_rts
370 install_rts:
371 "$(MKDIRHIER)" $(DESTDIR)$(libdir)
372 "$(MKDIRHIER)" $(DESTDIR)$(libdir)/include
373 "$(CP)" $(ALL_RTS_LIBS) $(DESTDIR)$(libdir)
374
375 # -----------------------------------------------------------------------------
376 # cleaning
377
378 $(eval $(call clean-target,rts,dist,rts/dist))
379
380 BINDIST_EXTRAS += rts/package.conf.in
381 BINDIST_EXTRAS += $(ALL_RTS_LIBS)
382