54 ifeq ($(origin CC), default)
55 CC = llvm-gcc
56 endif
57
58 ifeq ($(ARCH), i486)
59 LLVM_SUPPORTS_STACKREALIGN := $(shell \
60 [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
61 && echo true || echo false)
62
63 ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
64 CXX32 ?= llvm-g++
65 CC32 ?= llvm-gcc
66 else
67 CXX32 ?= g++-4.0
68 CC32 ?= gcc-4.0
69 endif
70 CXX = $(CXX32)
71 CC = $(CC32)
72 endif
73
74 HOSTCXX = $(CXX)
75 HOSTCC = $(CC)
76 endif
77
78 AS = $(CC) -c -x assembler-with-cpp
79 endif
80
81
82 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
83 # prints the numbers (e.g. "2.95", "3.2.1")
84 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
85 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
86
87 # check for precompiled headers support
88 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
89 # Allow the user to turn off precompiled headers from the command line.
90 ifneq ($(USE_PRECOMPILED_HEADER),0)
91 PRECOMPILED_HEADER_DIR=.
92 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
93 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
94 endif
95 endif
96
97
98 #------------------------------------------------------------------------
99 # Compiler flags
100
101 # position-independent code
102 PICFLAG = -fPIC
103
104 VM_PICFLAG/LIBJVM = $(PICFLAG)
105 VM_PICFLAG/AOUT =
106 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
107
108 ifeq ($(JVM_VARIANT_ZERO), true)
109 CFLAGS += $(LIBFFI_CFLAGS)
110 endif
111 ifeq ($(JVM_VARIANT_ZEROSHARK), true)
112 CFLAGS += $(LIBFFI_CFLAGS)
113 CFLAGS += $(LLVM_CFLAGS)
114 endif
115 CFLAGS += $(VM_PICFLAG)
116 CFLAGS += -fno-rtti
117 CFLAGS += -fno-exceptions
118 CFLAGS += -pthread
119 CFLAGS += -fcheck-new
120 # version 4 and above support fvisibility=hidden (matches jni_x86.h file)
121 # except 4.1.2 gives pointless warnings that can't be disabled (afaik)
122 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
123 CFLAGS += -fvisibility=hidden
124 endif
125
126 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
127 ARCHFLAG/i486 = -m32 -march=i586
128 ARCHFLAG/amd64 = -m64
129 ARCHFLAG/ia64 =
130 ARCHFLAG/sparc = -m32 -mcpu=v9
131 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
132 ARCHFLAG/zero = $(ZERO_ARCHFLAG)
133
134 # Darwin-specific build flags
135 ifeq ($(OS_VENDOR), Darwin)
136 # Ineffecient 16-byte stack re-alignment on Darwin/IA32
137 ARCHFLAG/i486 += -mstackrealign
138 endif
139
140 CFLAGS += $(ARCHFLAG)
141 AOUT_FLAGS += $(ARCHFLAG)
142 LFLAGS += $(ARCHFLAG)
143 ASFLAGS += $(ARCHFLAG)
144
145 ifdef E500V2
146 CFLAGS += -DE500V2
147 endif
148
149 # Use C++ Interpreter
150 ifdef CC_INTERP
151 CFLAGS += -DCC_INTERP
152 endif
153
154 # Keep temporary files (.ii, .s)
155 ifdef NEED_ASM
156 CFLAGS += -save-temps
157 else
158 CFLAGS += -pipe
159 endif
160
161 # Compiler warnings are treated as errors
162 ifneq ($(COMPILER_WARNINGS_FATAL),false)
163 WARNINGS_ARE_ERRORS = -Werror
164 endif
165
166 # Except for a few acceptable ones
167 # Since GCC 4.3, -Wconversion has changed its meanings to warn these implicit
168 # conversions which might affect the values. To avoid that, we need to turn
169 # it off explicitly.
170 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 3 \) \))" "0"
171 WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef
172 else
173 WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef
174 endif
175
176 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
177 # Special cases
178 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
179 # XXXDARWIN: for _dyld_bind_fully_image_containing_address
180 ifeq ($(OS_VENDOR), Darwin)
181 CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations
182 endif
183
184 OPT_CFLAGS/SIZE=-Os
185 OPT_CFLAGS/SPEED=-O3
186
187 # Hotspot uses very unstrict aliasing turn this optimization off
188 # This option is added to CFLAGS rather than OPT_CFLAGS
189 # so that OPT_CFLAGS overrides get this option too.
190 CFLAGS += -fno-strict-aliasing
191
192 # The flags to use for an Optimized g++ build
193 ifeq ($(OS_VENDOR), Darwin)
197 else
198 OPT_CFLAGS_DEFAULT ?= SPEED
199 endif
200
201 ifdef OPT_CFLAGS
202 ifneq ("$(origin OPT_CFLAGS)", "command line")
203 $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
204 endif
205 endif
206
207 OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)
208
209 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
210 # if we use expensive-optimizations
211 ifeq ($(BUILDARCH), ia64)
212 OPT_CFLAGS += -fno-expensive-optimizations
213 endif
214
215 OPT_CFLAGS/NOOPT=-O0
216
217 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
218 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
219 OPT_CFLAGS/mulnode.o += -O0
220 endif
221
222 # Flags for generating make dependency flags.
223 ifneq ("${CC_VER_MAJOR}", "2")
224 DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
225 endif
226
227 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
228 ifeq ($(USE_PRECOMPILED_HEADER),0)
229 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
230 endif
231
232 ifeq ($(OS_VENDOR), Darwin)
233 # Setting these parameters makes it an error to link to macosx APIs that are
234 # newer than the given OS version and makes the linked binaries compatible even
235 # if built on a newer version of the OS.
236 # The expected format is X.Y.Z
237 ifeq ($(MACOSX_VERSION_MIN),)
238 MACOSX_VERSION_MIN=10.7.0
239 endif
240 # The macro takes the version with no dots, ex: 1070
241 CFLAGS += -DMAC_OS_X_VERSION_MAX_ALLOWED=$(subst .,,$(MACOSX_VERSION_MIN)) \
242 -mmacosx-version-min=$(MACOSX_VERSION_MIN)
243 LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)
244 endif
245
246 #------------------------------------------------------------------------
247 # Linker flags
248
249 # statically link libstdc++.so, work with gcc but ignored by g++
250 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
251
252 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
253 ifneq ("${CC_VER_MAJOR}", "2")
254 STATIC_LIBGCC += -static-libgcc
255 endif
256
257 ifeq ($(BUILDARCH), ia64)
258 LFLAGS += -Wl,-relax
259 endif
260
261 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
262 MAPFLAG = -Xlinker --version-script=FILENAME
263
264 #
265 # Shared Library
266 #
267 ifeq ($(OS_VENDOR), Darwin)
268 # Standard linker flags
269 LFLAGS +=
270
271 # Darwin doesn't use ELF and doesn't support version scripts
272 LDNOMAP = true
273
274 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
275 SONAMEFLAG =
276
277 # Build shared library
278 SHARED_FLAG = -Wl,-install_name,@rpath/$(@F) -dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $(VM_PICFLAG)
279
280 # Keep symbols even they are not used
281 #AOUT_FLAGS += -Xlinker -export-dynamic
282 else
283 # Enable linker optimization
284 LFLAGS += -Xlinker -O1
285
286 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
287 SONAMEFLAG = -Xlinker -soname=SONAME
288
289 # Build shared library
290 SHARED_FLAG = -shared $(VM_PICFLAG)
291
292 # Keep symbols even they are not used
293 AOUT_FLAGS += -Xlinker -export-dynamic
294 endif
295
296 #------------------------------------------------------------------------
297 # Debug flags
298
299 # Use the stabs format for debugging information (this is the default
300 # on gcc-2.91). It's good enough, has all the information about line
301 # numbers and local variables, and libjvm.so is only about 16M.
302 # Change this back to "-g" if you want the most expressive format.
303 # (warning: that could easily inflate libjvm.so to 150M!)
304 # Note: The Itanium gcc compiler crashes when using -gstabs.
305 DEBUG_CFLAGS/ia64 = -g
306 DEBUG_CFLAGS/amd64 = -g
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)
316 DEBUG_CFLAGS = -g
317 CFLAGS += $(DEBUG_CFLAGS)
318 endif
319
320 # If we are building HEADLESS, pass on to VM
321 # so it can set the java.awt.headless property
322 ifdef HEADLESS
323 CFLAGS += -DHEADLESS
324 endif
325
326 # We are building Embedded for a small device
327 # favor code space over speed
328 ifdef MINIMIZE_RAM_USAGE
329 CFLAGS += -DMINIMIZE_RAM_USAGE
330 endif
|
54 ifeq ($(origin CC), default)
55 CC = llvm-gcc
56 endif
57
58 ifeq ($(ARCH), i486)
59 LLVM_SUPPORTS_STACKREALIGN := $(shell \
60 [ "0"`llvm-gcc -v 2>&1 | grep LLVM | sed -E "s/.*LLVM build ([0-9]+).*/\1/"` -gt "2333" ] \
61 && echo true || echo false)
62
63 ifeq ($(LLVM_SUPPORTS_STACKREALIGN), true)
64 CXX32 ?= llvm-g++
65 CC32 ?= llvm-gcc
66 else
67 CXX32 ?= g++-4.0
68 CC32 ?= gcc-4.0
69 endif
70 CXX = $(CXX32)
71 CC = $(CC32)
72 endif
73
74 ifeq ($(USE_CLANG), true)
75 CXX = clang++
76 CC = clang
77 endif
78
79 HOSTCXX = $(CXX)
80 HOSTCC = $(CC)
81 endif
82
83 AS = $(CC) -c -x assembler-with-cpp
84 endif
85
86
87 ifeq ($(USE_CLANG), true)
88 CC_VER_MAJOR := $(shell $(CC) -v 2>&1 | grep version | sed "s/.*version \([0-9]*\.[0-9]*\).*/\1/" | 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)
90 else
91 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
92 # prints the numbers (e.g. "2.95", "3.2.1")
93 CC_VER_MAJOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f1)
94 CC_VER_MINOR := $(shell $(CC) -dumpversion | sed 's/egcs-//' | cut -d'.' -f2)
95 endif
96
97 ifeq ($(USE_CLANG), true)
98 # clang has precompiled headers support by default, but the user can switch
99 # it off by using 'USE_PRECOMPILED_HEADER=0'.
100 ifdef LP64
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
160
161 #------------------------------------------------------------------------
162 # Compiler flags
163
164 # position-independent code
165 PICFLAG = -fPIC
166
167 VM_PICFLAG/LIBJVM = $(PICFLAG)
168 VM_PICFLAG/AOUT =
169 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
170
171 ifeq ($(JVM_VARIANT_ZERO), true)
172 CFLAGS += $(LIBFFI_CFLAGS)
173 endif
174 ifeq ($(JVM_VARIANT_ZEROSHARK), true)
175 CFLAGS += $(LIBFFI_CFLAGS)
176 CFLAGS += $(LLVM_CFLAGS)
177 endif
178 CFLAGS += $(VM_PICFLAG)
179 CFLAGS += -fno-rtti
180 CFLAGS += -fno-exceptions
181 ifeq ($(USE_CLANG),)
182 CFLAGS += -pthread
183 CFLAGS += -fcheck-new
184 # version 4 and above support fvisibility=hidden (matches jni_x86.h file)
185 # except 4.1.2 gives pointless warnings that can't be disabled (afaik)
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
201 endif
202
203 ARCHFLAG = $(ARCHFLAG/$(BUILDARCH))
204 ARCHFLAG/i486 = -m32 -march=i586
205 ARCHFLAG/amd64 = -m64 $(STACK_ALIGNMENT_OPT)
206 ARCHFLAG/ia64 =
207 ARCHFLAG/sparc = -m32 -mcpu=v9
208 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
209 ARCHFLAG/zero = $(ZERO_ARCHFLAG)
210
211 # Darwin-specific build flags
212 ifeq ($(OS_VENDOR), Darwin)
213 # Ineffecient 16-byte stack re-alignment on Darwin/IA32
214 ARCHFLAG/i486 += -mstackrealign
215 endif
216
217 CFLAGS += $(ARCHFLAG)
218 AOUT_FLAGS += $(ARCHFLAG)
219 LFLAGS += $(ARCHFLAG)
220 ASFLAGS += $(ARCHFLAG)
221
222 ifdef E500V2
223 CFLAGS += -DE500V2
224 endif
225
226 # Use C++ Interpreter
227 ifdef CC_INTERP
228 CFLAGS += -DCC_INTERP
229 endif
230
231 # Keep temporary files (.ii, .s)
232 ifdef NEED_ASM
233 CFLAGS += -save-temps
234 else
235 CFLAGS += -pipe
236 endif
237
238 # Compiler warnings are treated as errors
239 ifneq ($(COMPILER_WARNINGS_FATAL),false)
240 WARNINGS_ARE_ERRORS = -Werror
241 endif
242
243 ifeq ($(USE_CLANG), true)
244 # However we need to clean the code up before we can unrestrictedly enable this option with Clang
245 WARNINGS_ARE_ERRORS += -Wno-unused-value -Wno-logical-op-parentheses -Wno-parentheses-equality -Wno-parentheses
246 WARNINGS_ARE_ERRORS += -Wno-switch -Wno-tautological-compare
247 # Not yet supported by clang in Xcode 4.6.2
248 # WARNINGS_ARE_ERRORS += -Wno-tautological-constant-out-of-range-compare
249 WARNINGS_ARE_ERRORS += -Wno-delete-non-virtual-dtor -Wno-deprecated -Wno-format -Wno-dynamic-class-memaccess
250 WARNINGS_ARE_ERRORS += -Wno-return-type -Wno-empty-body
251 endif
252
253 WARNING_FLAGS = -Wpointer-arith -Wsign-compare -Wundef
254
255 ifeq "$(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
262 endif
263
264 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
265 # Special cases
266 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
267 # XXXDARWIN: for _dyld_bind_fully_image_containing_address
268 ifeq ($(OS_VENDOR), Darwin)
269 CFLAGS_WARN/os_bsd.o = $(CFLAGS_WARN/DEFAULT) -Wno-deprecated-declarations
270 endif
271
272 OPT_CFLAGS/SIZE=-Os
273 OPT_CFLAGS/SPEED=-O3
274
275 # Hotspot uses very unstrict aliasing turn this optimization off
276 # This option is added to CFLAGS rather than OPT_CFLAGS
277 # so that OPT_CFLAGS overrides get this option too.
278 CFLAGS += -fno-strict-aliasing
279
280 # The flags to use for an Optimized g++ build
281 ifeq ($(OS_VENDOR), Darwin)
285 else
286 OPT_CFLAGS_DEFAULT ?= SPEED
287 endif
288
289 ifdef OPT_CFLAGS
290 ifneq ("$(origin OPT_CFLAGS)", "command line")
291 $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
292 endif
293 endif
294
295 OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)
296
297 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
298 # if we use expensive-optimizations
299 ifeq ($(BUILDARCH), ia64)
300 OPT_CFLAGS += -fno-expensive-optimizations
301 endif
302
303 OPT_CFLAGS/NOOPT=-O0
304
305 # Work around some compiler bugs.
306 ifeq ($(USE_CLANG), true)
307 ifeq ($(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
315 endif
316
317 # Flags for generating make dependency flags.
318 DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
319 ifeq ($(USE_CLANG),)
320 ifneq ($(CC_VER_MAJOR), 2)
321 DEPFLAGS += -fpch-deps
322 endif
323 endif
324
325 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
326 ifeq ($(USE_PRECOMPILED_HEADER),0)
327 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
328 endif
329
330 ifeq ($(OS_VENDOR), Darwin)
331 # Setting these parameters makes it an error to link to macosx APIs that are
332 # newer than the given OS version and makes the linked binaries compatible even
333 # if built on a newer version of the OS.
334 # The expected format is X.Y.Z
335 ifeq ($(MACOSX_VERSION_MIN),)
336 MACOSX_VERSION_MIN=10.7.0
337 endif
338 # The macro takes the version with no dots, ex: 1070
339 CFLAGS += -DMAC_OS_X_VERSION_MAX_ALLOWED=$(subst .,,$(MACOSX_VERSION_MIN)) \
340 -mmacosx-version-min=$(MACOSX_VERSION_MIN)
341 LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)
342 endif
343
344 #------------------------------------------------------------------------
345 # Linker flags
346
347 # statically link libstdc++.so, work with gcc but ignored by g++
348 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
349
350 ifeq ($(USE_CLANG),)
351 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
352 ifneq ("${CC_VER_MAJOR}", "2")
353 STATIC_LIBGCC += -static-libgcc
354 endif
355
356 ifeq ($(BUILDARCH), ia64)
357 LFLAGS += -Wl,-relax
358 endif
359 endif
360
361 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
362 MAPFLAG = -Xlinker --version-script=FILENAME
363
364 #
365 # Shared Library
366 #
367 ifeq ($(OS_VENDOR), Darwin)
368 # Standard linker flags
369 LFLAGS +=
370
371 # Darwin doesn't use ELF and doesn't support version scripts
372 LDNOMAP = true
373
374 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
375 SONAMEFLAG =
376
377 # Build shared library
378 SHARED_FLAG = -Wl,-install_name,@rpath/$(@F) -dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $(VM_PICFLAG)
379
380 # Keep symbols even they are not used
381 #AOUT_FLAGS += -Xlinker -export-dynamic
382 else
383 # Enable linker optimization
384 LFLAGS += -Xlinker -O1
385
386 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
387 SONAMEFLAG = -Xlinker -soname=SONAME
388
389 # Build shared library
390 SHARED_FLAG = -shared $(VM_PICFLAG)
391
392 # Keep symbols even they are not used
393 AOUT_FLAGS += -Xlinker -export-dynamic
394 endif
395
396 #------------------------------------------------------------------------
397 # Debug flags
398
399 ifeq ($(USE_CLANG), true)
400 # Restrict the debug information created by Clang to avoid
401 # too big object files and speed the build up a little bit
402 # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
403 CFLAGS += -flimit-debug-info
404 endif
405
406 # DEBUG_BINARIES uses full -g debug information for all configs
407 ifeq ($(DEBUG_BINARIES), true)
408 CFLAGS += -g
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
424 endif
425
426 # If we are building HEADLESS, pass on to VM
427 # so it can set the java.awt.headless property
428 ifdef HEADLESS
429 CFLAGS += -DHEADLESS
430 endif
431
432 # We are building Embedded for a small device
433 # favor code space over speed
434 ifdef MINIMIZE_RAM_USAGE
435 CFLAGS += -DMINIMIZE_RAM_USAGE
436 endif
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