Mercurial > hg > graal-jvmci-8
comparison make/bsd/makefiles/gcc.make @ 10398:2cb5d5f6d5e5
8015252: Enable HotSpot build with Clang
Reviewed-by: twisti, dholmes, kvn
author | simonis |
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date | Tue, 04 Jun 2013 22:16:15 -0700 |
parents | cb75b67f04fb |
children | 91acb82a8b7a |
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10397:075ea888b039 | 10398:2cb5d5f6d5e5 |
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69 endif | 69 endif |
70 CXX = $(CXX32) | 70 CXX = $(CXX32) |
71 CC = $(CC32) | 71 CC = $(CC32) |
72 endif | 72 endif |
73 | 73 |
74 ifeq ($(USE_CLANG), true) | |
75 CXX = clang++ | |
76 CC = clang | |
77 endif | |
78 | |
74 HOSTCXX = $(CXX) | 79 HOSTCXX = $(CXX) |
75 HOSTCC = $(CC) | 80 HOSTCC = $(CC) |
76 endif | 81 endif |
77 | 82 |
78 AS = $(CC) -c -x assembler-with-cpp | 83 AS = $(CC) -c -x assembler-with-cpp |
79 endif | 84 endif |
80 | 85 |
81 | 86 |
82 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only | 87 ifeq ($(USE_CLANG), true) |
83 # prints the numbers (e.g. "2.95", "3.2.1") | 88 CC_VER_MAJOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f1) |
84 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) | 89 CC_VER_MINOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | cut -d'.' -f2) |
85 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) | 90 else |
86 | 91 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only |
87 # check for precompiled headers support | 92 # prints the numbers (e.g. "2.95", "3.2.1") |
88 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" | 93 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1) |
89 # Allow the user to turn off precompiled headers from the command line. | 94 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2) |
90 ifneq ($(USE_PRECOMPILED_HEADER),0) | 95 endif |
91 PRECOMPILED_HEADER_DIR=. | 96 |
92 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp | 97 ifeq ($(USE_CLANG), true) |
93 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch | 98 # clang has precompiled headers support by default, but the user can switch |
94 endif | 99 # it off by using 'USE_PRECOMPILED_HEADER=0'. |
95 endif | 100 ifdef LP64 |
96 | 101 ifeq ($(USE_PRECOMPILED_HEADER),) |
102 USE_PRECOMPILED_HEADER=1 | |
103 endif | |
104 else | |
105 # We don't support precompiled headers on 32-bit builds because there some files are | |
106 # compiled with -fPIC while others are compiled without (see 'NONPIC_OBJ_FILES' rules.make) | |
107 # Clang produces an error if the PCH file was compiled with other options than the actual compilation unit. | |
108 USE_PRECOMPILED_HEADER=0 | |
109 endif | |
110 | |
111 ifeq ($(USE_PRECOMPILED_HEADER),1) | |
112 | |
113 ifndef LP64 | |
114 $(error " Precompiled Headers only supported on 64-bit platforms!") | |
115 endif | |
116 | |
117 PRECOMPILED_HEADER_DIR=. | |
118 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp | |
119 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.pch | |
120 | |
121 PCH_FLAG = -include precompiled.hpp | |
122 PCH_FLAG/DEFAULT = $(PCH_FLAG) | |
123 PCH_FLAG/NO_PCH = -DNO_PCH | |
124 PCH_FLAG/BY_FILE = $(PCH_FLAG/$@)$(PCH_FLAG/DEFAULT$(PCH_FLAG/$@)) | |
125 | |
126 VM_PCH_FLAG/LIBJVM = $(PCH_FLAG/BY_FILE) | |
127 VM_PCH_FLAG/AOUT = | |
128 VM_PCH_FLAG = $(VM_PCH_FLAG/$(LINK_INTO)) | |
129 | |
130 # We only use precompiled headers for the JVM build | |
131 CFLAGS += $(VM_PCH_FLAG) | |
132 | |
133 # There are some files which don't like precompiled headers | |
134 # The following files are build with 'OPT_CFLAGS/NOOPT' (-O0) in the opt build. | |
135 # But Clang doesn't support a precompiled header which was compiled with -O3 | |
136 # to be used in a compilation unit which uses '-O0'. We could also prepare an | |
137 # extra '-O0' PCH file for the opt build and use it here, but it's probably | |
138 # not worth the effort as long as only two files need this special handling. | |
139 PCH_FLAG/loopTransform.o = $(PCH_FLAG/NO_PCH) | |
140 PCH_FLAG/sharedRuntimeTrig.o = $(PCH_FLAG/NO_PCH) | |
141 PCH_FLAG/sharedRuntimeTrans.o = $(PCH_FLAG/NO_PCH) | |
142 | |
143 endif | |
144 else # ($(USE_CLANG), true) | |
145 # check for precompiled headers support | |
146 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0" | |
147 # Allow the user to turn off precompiled headers from the command line. | |
148 ifneq ($(USE_PRECOMPILED_HEADER),0) | |
149 PRECOMPILED_HEADER_DIR=. | |
150 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp | |
151 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch | |
152 endif | |
153 endif | |
154 endif | |
155 | |
156 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. | |
157 ifeq ($(USE_PRECOMPILED_HEADER),0) | |
158 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER | |
159 endif | |
97 | 160 |
98 #------------------------------------------------------------------------ | 161 #------------------------------------------------------------------------ |
99 # Compiler flags | 162 # Compiler flags |
100 | 163 |
101 # position-independent code | 164 # position-independent code |
113 CFLAGS += $(LLVM_CFLAGS) | 176 CFLAGS += $(LLVM_CFLAGS) |
114 endif | 177 endif |
115 CFLAGS += $(VM_PICFLAG) | 178 CFLAGS += $(VM_PICFLAG) |
116 CFLAGS += -fno-rtti | 179 CFLAGS += -fno-rtti |
117 CFLAGS += -fno-exceptions | 180 CFLAGS += -fno-exceptions |
118 CFLAGS += -pthread | 181 ifeq ($(USE_CLANG),) |
119 CFLAGS += -fcheck-new | 182 CFLAGS += -pthread |
120 # version 4 and above support fvisibility=hidden (matches jni_x86.h file) | 183 CFLAGS += -fcheck-new |
121 # except 4.1.2 gives pointless warnings that can't be disabled (afaik) | 184 # version 4 and above support fvisibility=hidden (matches jni_x86.h file) |
122 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | 185 # except 4.1.2 gives pointless warnings that can't be disabled (afaik) |
123 CFLAGS += -fvisibility=hidden | 186 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
187 CFLAGS += -fvisibility=hidden | |
188 endif | |
189 else | |
190 CFLAGS += -fvisibility=hidden | |
191 endif | |
192 | |
193 ifeq ($(USE_CLANG), true) | |
194 # Before Clang 3.1, we had to pass the stack alignment specification directly to llvm with the help of '-mllvm' | |
195 # Starting with version 3.1, Clang understands the '-mstack-alignment' (and rejects '-mllvm -stack-alignment') | |
196 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 1 \) \))" "0" | |
197 STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mstack-alignment=16 | |
198 else | |
199 STACK_ALIGNMENT_OPT = -mno-omit-leaf-frame-pointer -mllvm -stack-alignment=16 | |
200 endif | |
124 endif | 201 endif |
125 | 202 |
126 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) | 203 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH)) |
127 ARCHFLAG/i486 = -m32 -march=i586 | 204 ARCHFLAG/i486 = -m32 -march=i586 |
128 ARCHFLAG/amd64 = -m64 | 205 ARCHFLAG/amd64 = -m64 $(STACK_ALIGNMENT_OPT) |
129 ARCHFLAG/ia64 = | 206 ARCHFLAG/ia64 = |
130 ARCHFLAG/sparc = -m32 -mcpu=v9 | 207 ARCHFLAG/sparc = -m32 -mcpu=v9 |
131 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 | 208 ARCHFLAG/sparcv9 = -m64 -mcpu=v9 |
132 ARCHFLAG/zero = $(ZERO_ARCHFLAG) | 209 ARCHFLAG/zero = $(ZERO_ARCHFLAG) |
133 | 210 |
161 # Compiler warnings are treated as errors | 238 # Compiler warnings are treated as errors |
162 ifneq ($(COMPILER_WARNINGS_FATAL),false) | 239 ifneq ($(COMPILER_WARNINGS_FATAL),false) |
163 WARNINGS_ARE_ERRORS = -Werror | 240 WARNINGS_ARE_ERRORS = -Werror |
164 endif | 241 endif |
165 | 242 |
166 # Except for a few acceptable ones | 243 ifeq ($(USE_CLANG), true) |
167 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit | 244 # However we need to clean the code up before we can unrestrictedly enable this option with Clang |
168 # conversions which might affect the values. To avoid that, we need to turn | 245 WARNINGS_ARE_ERRORS += -Wno-unused-value -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses |
169 # it off explicitly. | 246 WARNINGS_ARE_ERRORS += -Wno-switch -Wno-tautological-compare |
170 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" | 247 # Not yet supported by clang in Xcode 4.6.2 |
248 # WARNINGS_ARE_ERRORS += -Wno-tautological-constant-out-of-range-compare | |
249 WARNINGS_ARE_ERRORS += -Wno-delete-non-virtual-dtor -Wno-deprecated -Wno-format -Wno-dynamic-class-memaccess | |
250 WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body | |
251 endif | |
252 | |
171 WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef | 253 WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef |
172 else | 254 |
173 WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef | 255 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0" |
256 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit | |
257 # conversions which might affect the values. Only enable it in earlier versions. | |
258 WARNING_FLAGS = -Wunused-function | |
259 ifeq ($(USE_CLANG),) | |
260 WARNINGS_FLAGS += -Wconversion | |
261 endif | |
174 endif | 262 endif |
175 | 263 |
176 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS) | 264 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS) |
177 # Special cases | 265 # Special cases |
178 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) | 266 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@)) |
212 OPT_CFLAGS += -fno-expensive-optimizations | 300 OPT_CFLAGS += -fno-expensive-optimizations |
213 endif | 301 endif |
214 | 302 |
215 OPT_CFLAGS/NOOPT=-O0 | 303 OPT_CFLAGS/NOOPT=-O0 |
216 | 304 |
217 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. | 305 # Work around some compiler bugs. |
218 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0" | 306 ifeq ($(USE_CLANG), true) |
219 OPT_CFLAGS/mulnode.o += -O0 | 307 ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1) |
308 OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT) | |
309 endif | |
310 else | |
311 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. | |
312 ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1) | |
313 OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT) | |
314 endif | |
220 endif | 315 endif |
221 | 316 |
222 # Flags for generating make dependency flags. | 317 # Flags for generating make dependency flags. |
223 ifneq ("${CC_VER_MAJOR}", "2") | 318 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) |
224 DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d) | 319 ifeq ($(USE_CLANG),) |
320 ifneq ($(CC_VER_MAJOR), 2) | |
321 DEPFLAGS += -fpch-deps | |
322 endif | |
225 endif | 323 endif |
226 | 324 |
227 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. | 325 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp. |
228 ifeq ($(USE_PRECOMPILED_HEADER),0) | 326 ifeq ($(USE_PRECOMPILED_HEADER),0) |
229 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER | 327 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER |
247 # Linker flags | 345 # Linker flags |
248 | 346 |
249 # statically link libstdc++.so, work with gcc but ignored by g++ | 347 # statically link libstdc++.so, work with gcc but ignored by g++ |
250 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic | 348 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic |
251 | 349 |
252 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. | 350 ifeq ($(USE_CLANG),) |
253 ifneq ("${CC_VER_MAJOR}", "2") | 351 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x. |
254 STATIC_LIBGCC += -static-libgcc | 352 ifneq ("${CC_VER_MAJOR}", "2") |
255 endif | 353 STATIC_LIBGCC += -static-libgcc |
256 | 354 endif |
257 ifeq ($(BUILDARCH), ia64) | 355 |
258 LFLAGS += -Wl,-relax | 356 ifeq ($(BUILDARCH), ia64) |
357 LFLAGS += -Wl,-relax | |
358 endif | |
259 endif | 359 endif |
260 | 360 |
261 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. | 361 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file. |
262 MAPFLAG = -Xlinker --version-script=FILENAME | 362 MAPFLAG = -Xlinker --version-script=FILENAME |
263 | 363 |
294 endif | 394 endif |
295 | 395 |
296 #------------------------------------------------------------------------ | 396 #------------------------------------------------------------------------ |
297 # Debug flags | 397 # Debug flags |
298 | 398 |
299 # Use the stabs format for debugging information (this is the default | 399 ifeq ($(USE_CLANG), true) |
300 # on gcc-2.91). It's good enough, has all the information about line | 400 # Restrict the debug information created by Clang to avoid |
301 # numbers and local variables, and libjvm.so is only about 16M. | 401 # too big object files and speed the build up a little bit |
302 # Change this back to "-g" if you want the most expressive format. | 402 # (see http://llvm.org/bugs/show_bug.cgi?id=7554) |
303 # (warning: that could easily inflate libjvm.so to 150M!) | 403 CFLAGS += -flimit-debug-info |
304 # Note: The Itanium gcc compiler crashes when using -gstabs. | 404 endif |
305 DEBUG_CFLAGS/ia64 = -g | 405 |
306 DEBUG_CFLAGS/amd64 = -g | 406 # DEBUG_BINARIES uses full -g debug information for all configs |
307 DEBUG_CFLAGS/arm = -g | |
308 DEBUG_CFLAGS/ppc = -g | |
309 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) | |
310 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
311 DEBUG_CFLAGS += -gstabs | |
312 endif | |
313 | |
314 # DEBUG_BINARIES overrides everything, use full -g debug information | |
315 ifeq ($(DEBUG_BINARIES), true) | 407 ifeq ($(DEBUG_BINARIES), true) |
316 DEBUG_CFLAGS = -g | 408 CFLAGS += -g |
317 CFLAGS += $(DEBUG_CFLAGS) | 409 else |
410 # Use the stabs format for debugging information (this is the default | |
411 # on gcc-2.91). It's good enough, has all the information about line | |
412 # numbers and local variables, and libjvm.so is only about 16M. | |
413 # Change this back to "-g" if you want the most expressive format. | |
414 # (warning: that could easily inflate libjvm.so to 150M!) | |
415 # Note: The Itanium gcc compiler crashes when using -gstabs. | |
416 DEBUG_CFLAGS/ia64 = -g | |
417 DEBUG_CFLAGS/amd64 = -g | |
418 DEBUG_CFLAGS/arm = -g | |
419 DEBUG_CFLAGS/ppc = -g | |
420 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) | |
421 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) | |
422 DEBUG_CFLAGS += -gstabs | |
423 endif | |
318 endif | 424 endif |
319 | 425 |
320 # If we are building HEADLESS, pass on to VM | 426 # If we are building HEADLESS, pass on to VM |
321 # so it can set the java.awt.headless property | 427 # so it can set the java.awt.headless property |
322 ifdef HEADLESS | 428 ifdef HEADLESS |