1 #
2 # Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 #
5 # This code is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License version 2 only, as
7 # published by the Free Software Foundation. Oracle designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Oracle in the LICENSE file that accompanied this code.
10 #
11 # This code is distributed in the hope that it will be useful, but WITHOUT
12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 # version 2 for more details (a copy is included in the LICENSE file that
15 # accompanied this code).
16 #
17 # You should have received a copy of the GNU General Public License version
18 # 2 along with this work; if not, write to the Free Software Foundation,
19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 #
21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 # or visit www.oracle.com if you need additional information or have any
23 # questions.
24 #
25
26 #
27 # Makefile to specify compiler flags for programs and libraries
28 # targeted to Linux. Should not contain any rules.
29 #
30 # WARNING: This file is shared with other workspaces.
31 # So when it includes other files, it must use JDK_TOPDIR.
32 #
33
34 # Warning: the following variables are overriden by Defs.gmk. Set
35 # values will be silently ignored:
36 # CFLAGS (set $(OTHER_CFLAGS) instead)
37 # CPPFLAGS (set $(OTHER_CPPFLAGS) instead)
38 # CXXFLAGS (set $(OTHER_CXXFLAGS) instead)
39 # LDFLAGS (set $(OTHER_LDFAGS) instead)
40 # LDLIBS (set $(EXTRA_LIBS) instead)
41 # LDLIBS_COMMON (set $(EXTRA_LIBS) instead)
42
43 # Get shared JDK settings
44 include $(JDK_MAKE_SHARED_DIR)/Defs.gmk
45
46 # Part of INCREMENTAL_BUILD mechanism.
47 # Compiler emits things like: path/file.o: file.h
48 # We want something like: relative_path/file.o relative_path/file.d: file.h
49 CC_DEPEND = -MM
50 CC_DEPEND_FILTER = $(SED) -e 's!$*\.$(OBJECT_SUFFIX)!$(dir $@)& $(dir $@)$*.$(DEPEND_SUFFIX)!g'
51
52 ifndef PLATFORM_SRC
53 PLATFORM_SRC = $(BUILDDIR)/../src/solaris
54 endif # PLATFORM_SRC
55
56 # Platform specific closed sources
57 ifndef OPENJDK
58 ifndef CLOSED_PLATFORM_SRC
59 CLOSED_PLATFORM_SRC = $(BUILDDIR)/../src/closed/solaris
60 endif
61 endif
62
63 # platform specific include files
64 PLATFORM_INCLUDE_NAME = $(PLATFORM)
65 PLATFORM_INCLUDE = $(INCLUDEDIR)/$(PLATFORM_INCLUDE_NAME)
66
67 # suffix used for make dependencies files.
68 DEPEND_SUFFIX = d
69 # The suffix applied to the library name for FDLIBM
70 FDDLIBM_SUFFIX = a
71 # The suffix applied to scripts (.bat for windows, nothing for unix)
72 SCRIPT_SUFFIX =
73 # CC compiler object code output directive flag value
74 CC_OBJECT_OUTPUT_FLAG = -o #trailing blank required!
75 CC_PROGRAM_OUTPUT_FLAG = -o #trailing blank required!
76
77 #
78 # Default HPI libraries. Build will build only native, unless
79 # overriden at the make command line. This makes it convenient for
80 # people doing, say, a pthreads port -- they can create a posix
81 # directory here, and say "gnumake HPIS=posix" at the top
82 # level.
83 #
84 HPIS = native
85
86 #
87 # Default optimization
88 #
89
90 ifndef OPTIMIZATION_LEVEL
91 ifeq ($(PRODUCT), java)
92 OPTIMIZATION_LEVEL = HIGHER
93 else
94 OPTIMIZATION_LEVEL = LOWER
95 endif
96 endif
97 ifndef FASTDEBUG_OPTIMIZATION_LEVEL
98 FASTDEBUG_OPTIMIZATION_LEVEL = LOWER
99 endif
100
101 CC_OPT/NONE =
102 CC_OPT/LOWER = -O2
103 CC_OPT/HIGHER = -O3
104 CC_OPT/HIGHEST = -O3
105
106 CC_OPT = $(CC_OPT/$(OPTIMIZATION_LEVEL))
107
108 # For all platforms, do not omit the frame pointer register usage.
109 # We need this frame pointer to make it easy to walk the stacks.
110 # This should be the default on X86, but ia64 and amd64 may not have this
111 # as the default.
112 CFLAGS_REQUIRED_amd64 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
113 CFLAGS_REQUIRED_i586 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
114 CFLAGS_REQUIRED_ia64 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
115 CFLAGS_REQUIRED_sparcv9 += -m64 -mcpu=v9
116 LDFLAGS_COMMON_sparcv9 += -m64 -mcpu=v9
117 CFLAGS_REQUIRED_sparc += -m32 -mcpu=v9
118 LDFLAGS_COMMON_sparc += -m32 -mcpu=v9
119 ifeq ($(ZERO_BUILD), true)
120 CFLAGS_REQUIRED = $(ZERO_ARCHFLAG)
121 ifeq ($(ZERO_ENDIANNESS), little)
122 CFLAGS_REQUIRED += -D_LITTLE_ENDIAN
123 endif
124 LDFLAGS_COMMON += $(ZERO_ARCHFLAG)
125 else
126 CFLAGS_REQUIRED = $(CFLAGS_REQUIRED_$(ARCH))
127 LDFLAGS_COMMON += $(LDFLAGS_COMMON_$(ARCH))
128 endif
129
130 # If this is a --hash-style=gnu system, use --hash-style=both
131 # The gnu .hash section won't work on some Linux systems like SuSE 10.
132 _HAS_HASH_STYLE_GNU:=$(shell $(CC) -dumpspecs | $(GREP) -- '--hash-style=gnu')
133 ifneq ($(_HAS_HASH_STYLE_GNU),)
134 LDFLAGS_HASH_STYLE = -Wl,--hash-style=both
135 endif
136 LDFLAGS_COMMON += $(LDFLAGS_HASH_STYLE)
137
138 #
139 # Selection of warning messages
140 #
141 GCC_INHIBIT = -Wno-unused -Wno-parentheses
142 GCC_STYLE =
143 GCC_WARNINGS = -W -Wall $(GCC_STYLE) $(GCC_INHIBIT)
144
145 #
146 # Treat compiler warnings as errors, if warnings not allowed
147 #
148 ifeq ($(COMPILER_WARNINGS_FATAL),true)
149 GCC_WARNINGS += -Werror
150 endif
151
152 #
153 # Misc compiler options
154 #
155 ifeq ($(ARCH),ppc)
156 CFLAGS_COMMON = -fsigned-char
157 else # ARCH
158 CFLAGS_COMMON = -fno-strict-aliasing
159 endif # ARCH
160 PIC_CODE_LARGE = -fPIC
161 PIC_CODE_SMALL = -fpic
162 GLOBAL_KPIC = $(PIC_CODE_LARGE)
163 CFLAGS_COMMON += $(GLOBAL_KPIC) $(GCC_WARNINGS)
164 ifeq ($(ARCH), amd64)
165 CFLAGS_COMMON += -pipe
166 endif
167
168 # Linux 64bit machines use Dwarf2, which can be HUGE, have fastdebug use -g1
169 DEBUG_FLAG = -g
170 ifeq ($(FASTDEBUG), true)
171 ifeq ($(ARCH_DATA_MODEL), 64)
172 DEBUG_FLAG = -g1
173 endif
174 endif
175
176 # DEBUG_BINARIES overrides everything, use full -g debug information
177 ifeq ($(DEBUG_BINARIES), true)
178 DEBUG_FLAG = -g
179 CFLAGS_REQUIRED += $(DEBUG_FLAG)
180 endif
181
182 CFLAGS_OPT = $(CC_OPT)
183 CFLAGS_DBG = $(DEBUG_FLAG)
184 CFLAGS_COMMON += $(CFLAGS_REQUIRED)
185
186 CXXFLAGS_COMMON = $(GLOBAL_KPIC) -DCC_NOEX $(GCC_WARNINGS)
187 CXXFLAGS_OPT = $(CC_OPT)
188 CXXFLAGS_DBG = $(DEBUG_FLAG)
189 CXXFLAGS_COMMON += $(CFLAGS_REQUIRED)
190
191 # FASTDEBUG: Optimize the code in the -g versions, gives us a faster debug java
192 ifeq ($(FASTDEBUG), true)
193 CFLAGS_DBG += $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))
194 CXXFLAGS_DBG += $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))
195 endif
196
197 CPP_ARCH_FLAGS = -DARCH='"$(ARCH)"'
198
199 # Alpha arch does not like "alpha" defined (potential general arch cleanup issue here)
200 ifneq ($(ARCH),alpha)
201 CPP_ARCH_FLAGS += -D$(ARCH)
202 else
203 CPP_ARCH_FLAGS += -D_$(ARCH)_
204 endif
205
206 CPPFLAGS_COMMON = $(CPP_ARCH_FLAGS) -DLINUX $(VERSION_DEFINES) \
207 -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D_REENTRANT
208
209 ifeq ($(ARCH_DATA_MODEL), 64)
210 CPPFLAGS_COMMON += -D_LP64=1
211 endif
212
213 CPPFLAGS_OPT = -DNDEBUG
214 CPPFLAGS_DBG = -DDEBUG
215 ifneq ($(PRODUCT), java)
216 CPPFLAGS_DBG += -DLOGGING
217 endif
218
219 ifdef LIBRARY
220 # Libraries need to locate other libraries at runtime, and you can tell
221 # a library where to look by way of the dynamic runpaths (RPATH or RUNPATH)
222 # buried inside the .so. The $ORIGIN says to look relative to where
223 # the library itself is and it can be followed with relative paths from
224 # that. By default we always look in $ORIGIN, optionally we add relative
225 # paths if the Makefile sets LD_RUNPATH_EXTRAS to those relative paths.
226 # On Linux we add a flag -z origin, not sure if this is necessary, but
227 # doesn't seem to hurt.
228 # The environment variable LD_LIBRARY_PATH will over-ride these runpaths.
229 # Try: 'readelf -d lib*.so' to see these settings in a library.
230 #
231 LDFLAGS_COMMON += -Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN
232 LDFLAGS_COMMON += $(LD_RUNPATH_EXTRAS:%=-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN/%)
233 endif
234
235 EXTRA_LIBS += -lc
236
237 LDFLAGS_DEFS_OPTION = -Xlinker -z -Xlinker defs
238 LDFLAGS_COMMON += $(LDFLAGS_DEFS_OPTION)
239
240 #
241 # -L paths for finding and -ljava
242 #
243 LDFLAGS_OPT = -Xlinker -O1
244 LDFLAGS_COMMON += -L$(LIBDIR)/$(LIBARCH)
245 LDFLAGS_COMMON += -Wl,-soname=$(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)
246
247 #
248 # -static-libgcc is a gcc-3 flag to statically link libgcc, gcc-2.9x always
249 # statically link libgcc but will print a warning with the flag. We don't
250 # want the warning, so check gcc version first.
251 #
252 CC_VER_MAJOR := $(shell $(CC) -dumpversion | $(SED) 's/egcs-//' | $(CUT) -d'.' -f1)
253 ifeq ("$(CC_VER_MAJOR)", "3")
254 OTHER_LDFLAGS += -static-libgcc
255 endif
256
257 # Automatic precompiled header option to use (if COMPILE_APPROACH=batch)
258 # (See Rules.gmk) The gcc 5 compiler might have an option for this?
259 AUTOMATIC_PCH_OPTION =
260
261 #
262 # Post Processing of libraries/executables
263 #
264 ifeq ($(VARIANT), OPT)
265 ifneq ($(NO_STRIP), true)
266 ifneq ($(DEBUG_BINARIES), true)
267 # Debug 'strip -g' leaves local function Elf symbols (better stack
268 # traces)
269 POST_STRIP_PROCESS = $(STRIP) -g
270 endif
271 endif
272 endif
273
274 #
275 # Use: ld $(LD_MAPFILE_FLAG) mapfile *.o
276 #
277 LD_MAPFILE_FLAG = -Xlinker --version-script -Xlinker
278
279 #
280 # Support for Quantify.
281 #
282 ifdef QUANTIFY
283 QUANTIFY_CMD = quantify
284 QUANTIFY_OPTIONS = -cache-dir=/tmp/quantify -always-use-cache-dir=yes
285 LINK_PRE_CMD = $(QUANTIFY_CMD) $(QUANTIFY_OPTIONS)
286 endif
287
288 #
289 # Path and option to link against the VM, if you have to. Note that
290 # there are libraries that link against only -ljava, but they do get
291 # -L to the -ljvm, this is because -ljava depends on -ljvm, whereas
292 # the library itself should not.
293 #
294 VM_NAME = server
295 JVMLIB = -L$(LIBDIR)/$(LIBARCH)/$(VM_NAME) -ljvm
296 JAVALIB = -ljava $(JVMLIB)
297
298 #
299 # We want to privatize JVM symbols on Solaris. This is so the user can
300 # write a function called FindClass and this should not override the
301 # FindClass that is inside the JVM. At this point in time we are not
302 # concerned with other JNI libraries because we hope that there will
303 # not be as many clashes there.
304 #
305 PRIVATIZE_JVM_SYMBOLS = false
306
307 USE_PTHREADS = true
308 override ALT_CODESET_KEY = _NL_CTYPE_CODESET_NAME
309 override AWT_RUNPATH =
310 override HAVE_ALTZONE = false
311 override HAVE_FILIOH = false
312 override HAVE_GETHRTIME = false
313 override HAVE_GETHRVTIME = false
314 override HAVE_SIGIGNORE = true
315 override LEX_LIBRARY = -lfl
316 ifeq ($(STATIC_CXX),true)
317 override LIBCXX = -Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic
318 else
319 override LIBCXX = -lstdc++
320 endif
321 override LIBPOSIX4 =
322 override LIBSOCKET =
323 override LIBNSL =
324 override LIBTHREAD =
325 override MOOT_PRIORITIES = true
326 override NO_INTERRUPTIBLE_IO = true
327 override OPENWIN_HOME = /usr/X11R6
328 ifeq ($(ARCH), amd64)
329 override OPENWIN_LIB = $(OPENWIN_HOME)/lib64
330 else
331 override OPENWIN_LIB = $(OPENWIN_HOME)/lib
332 endif
333 override OTHER_M4FLAGS = -D__GLIBC__ -DGNU_ASSEMBLER
334 override SUN_CMM_SUBDIR =
335 override THREADS_FLAG = native
336 override USE_GNU_M4 = true
337 override USING_GNU_TAR = true
338 override WRITE_LIBVERSION = false
339
340 # USE_EXECNAME forces the launcher to look up argv[0] on $PATH, and put the
341 # resulting resolved absolute name of the executable in the environment
342 # variable EXECNAME. That executable name is then used that to locate the
343 # installation area.
344 override USE_EXECNAME = true
345
346 # If your platform has DPS, it will have Type1 fonts too, in which case
347 # it is best to enable DPS support until such time as 2D's rasteriser
348 # can fully handle Type1 fonts in all cases. Default is "yes".
349 # HAVE_DPS should only be "no" if the platform has no DPS headers or libs
350 # DPS (Displayable PostScript) is available on Solaris machines
351 HAVE_DPS = no
352
353 #
354 # Japanese manpages
355 #
356 JA_SOURCE_ENCODING = eucJP
357 JA_TARGET_ENCODINGS = eucJP
358
359 # Settings for the JDI - Serviceability Agent binding.
360 HOTSPOT_SALIB_PATH = $(HOTSPOT_IMPORT_PATH)/jre/lib/$(LIBARCH)
361 SALIB_NAME = $(LIB_PREFIX)saproc.$(LIBRARY_SUFFIX)
362
363 # The JDI - Serviceability Agent binding is not currently supported
364 # on Linux-ia64.
365 ifeq ($(ARCH), ia64)
366 INCLUDE_SA = false
367 else
368 INCLUDE_SA = true
369 endif
370