make/common/Defs-linux.gmk

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1 #
2 # Copyright 1999-2007 Sun Microsystems, Inc. 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. Sun designates this
8 # particular file as subject to the "Classpath" exception as provided
9 # by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 # CA 95054 USA or visit www.sun.com if you need additional information or
23 # have any 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
31 # Warning: the following variables are overriden by Defs.gmk. Set
32 # values will be silently ignored:
33 # CFLAGS (set $(OTHER_CFLAGS) instead)
34 # CPPFLAGS (set $(OTHER_CPPFLAGS) instead)
35 # CXXFLAGS (set $(OTHER_CXXFLAGS) instead)
36 # LDFLAGS (set $(OTHER_LDFAGS) instead)
37 # LDLIBS (set $(EXTRA_LIBS) instead)
38 # LDLIBS_COMMON (set $(EXTRA_LIBS) instead)
39
40 # Get shared JDK settings
41 include $(BUILDDIR)/common/shared/Defs.gmk
42
43 # Part of INCREMENTAL_BUILD mechanism.
44 # Compiler emits things like: path/file.o: file.h
45 # We want something like: relative_path/file.o relative_path/file.d: file.h
46 CC_DEPEND = -MM
47 CC_DEPEND_FILTER = $(SED) -e 's!$*\.$(OBJECT_SUFFIX)!$(dir $@)& $(dir $@)$*.$(DEPEND_SUFFIX)!g'
48
49 ifndef PLATFORM_SRC
50 PLATFORM_SRC = $(TOPDIR)/src/solaris
51 endif # PLATFORM_SRC
52
53 # platform specific include files
54 PLATFORM_INCLUDE_NAME = $(PLATFORM)
55 PLATFORM_INCLUDE = $(INCLUDEDIR)/$(PLATFORM_INCLUDE_NAME)
56
57 # suffix used for make dependencies files.
58 DEPEND_SUFFIX = d
59 # The suffix applied to the library name for FDLIBM
60 FDDLIBM_SUFFIX = a
61 # The suffix applied to scripts (.bat for windows, nothing for unix)
62 SCRIPT_SUFFIX =
63 # CC compiler object code output directive flag value
64 CC_OBJECT_OUTPUT_FLAG = -o #trailing blank required!
65 CC_PROGRAM_OUTPUT_FLAG = -o #trailing blank required!
66
67 #
68 # Default HPI libraries. Build will build only native, unless
69 # overriden at the make command line. This makes it convenient for
70 # people doing, say, a pthreads port -- they can create a posix
71 # directory here, and say "gnumake HPIS=posix" at the top
72 # level.
73 #
74 HPIS = native
75
76 #
77 # Default optimization
78 #
79 CC_HIGHEST_OPT = -O3
80 CC_HIGHER_OPT = -O3
81 CC_LOWER_OPT = -O2
82 CC_NO_OPT =
83
84 ifeq ($(PRODUCT), java)
85 _OPT = $(CC_HIGHER_OPT)
86 else
87 _OPT = $(CC_LOWER_OPT)
88 CPPFLAGS_DBG += -DLOGGING
89 endif
90
91 # For all platforms, do not omit the frame pointer register usage.
92 # We need this frame pointer to make it easy to walk the stacks.
93 # This should be the default on X86, but ia64 and amd64 may not have this
94 # as the default.
95 CFLAGS_REQUIRED_amd64 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
96 CFLAGS_REQUIRED_i586 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
97 CFLAGS_REQUIRED_ia64 += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
98 CFLAGS_REQUIRED_sparcv9 += -m64 -mcpu=v9
99 LDFLAGS_COMMON_sparcv9 += -m64 -mcpu=v9
100 CFLAGS_REQUIRED_sparc += -m32 -mcpu=v9
101 LDFLAGS_COMMON_sparc += -m32 -mcpu=v9
102 CFLAGS_REQUIRED = $(CFLAGS_REQUIRED_$(ARCH))
103 LDFLAGS_COMMON += $(LDFLAGS_COMMON_$(ARCH))
104
105 # Add in platform specific optimizations for all opt levels
106 CC_HIGHEST_OPT += $(_OPT_$(ARCH))
107 CC_HIGHER_OPT += $(_OPT_$(ARCH))
108 CC_LOWER_OPT += $(_OPT_$(ARCH))
109
110 # If NO_OPTIMIZATIONS is defined in the environment, turn all optimzations off
111 ifdef NO_OPTIMIZATIONS
112 CC_HIGHEST_OPT = $(CC_NO_OPT)
113 CC_HIGHER_OPT = $(CC_NO_OPT)
114 CC_LOWER_OPT = $(CC_NO_OPT)
115 endif
116
117 #
118 # Selection of warning messages
119 #
120 GCC_INHIBIT = -Wno-unused -Wno-parentheses
121 GCC_STYLE =
122 GCC_WARNINGS = -W -Wall $(GCC_STYLE) $(GCC_INHIBIT)
123
124 #
125 # Treat compiler warnings as errors, if warnings not allowed
126 #
127 ifeq ($(COMPILER_WARNINGS_FATAL),true)
128 GCC_WARNINGS += -Werror
129 endif
130
131 #
132 # Misc compiler options
133 #
134 ifeq ($(ARCH),ppc)
135 CFLAGS_COMMON = -fsigned-char
136 else # ARCH
137 CFLAGS_COMMON = -fno-strict-aliasing
138 endif # ARCH
139 PIC_CODE_LARGE = -fPIC
140 PIC_CODE_SMALL = -fpic
141 GLOBAL_KPIC = $(PIC_CODE_LARGE)
142 ifeq ($(ARCH), amd64)
143 CFLAGS_COMMON += $(GLOBAL_KPIC) $(GCC_WARNINGS) -pipe
144 else
145 CFLAGS_COMMON += $(GLOBAL_KPIC) $(GCC_WARNINGS)
146 endif
147
148 # Linux 64bit machines use Dwarf2, which can be HUGE, have fastdebug use -g1
149 DEBUG_FLAG = -g
150 ifeq ($(FASTDEBUG), true)
151 ifeq ($(ARCH_DATA_MODEL), 64)
152 DEBUG_FLAG = -g1
153 endif
154 endif
155
156 CFLAGS_OPT = $(POPT)
157 CFLAGS_DBG = $(DEBUG_FLAG)
158 CFLAGS_COMMON += $(CFLAGS_REQUIRED)
159
160 CXXFLAGS_COMMON = $(GLOBAL_KPIC) -DCC_NOEX $(GCC_WARNINGS)
161 CXXFLAGS_OPT = $(POPT)
162 CXXFLAGS_DBG = $(DEBUG_FLAG)
163 CXXFLAGS_COMMON += $(CFLAGS_REQUIRED)
164
165 # FASTDEBUG: Optimize the code in the -g versions, gives us a faster debug java
166 ifeq ($(FASTDEBUG), true)
167 CFLAGS_DBG += $(CC_LOWER_OPT)
168 CXXFLAGS_DBG += $(CC_LOWER_OPT)
169 endif
170
171 CPPFLAGS_COMMON = -D$(ARCH) -DARCH='"$(ARCH)"' -DLINUX $(VERSION_DEFINES) \
172 -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D_REENTRANT
173
174 ifeq ($(ARCH_DATA_MODEL), 64)
175 CPPFLAGS_COMMON += -D_LP64=1
176 endif
177
178 CPPFLAGS_OPT =
179 CPPFLAGS_DBG = -DDEBUG
180
181 ifdef LIBRARY
182 # Libraries need to locate other libraries at runtime, and you can tell
183 # a library where to look by way of the dynamic runpaths (RPATH or RUNPATH)
184 # buried inside the .so. The $ORIGIN says to look relative to where
185 # the library itself is and it can be followed with relative paths from
186 # that. By default we always look in $ORIGIN, optionally we add relative
187 # paths if the Makefile sets LD_RUNPATH_EXTRAS to those relative paths.
188 # On Linux we add a flag -z origin, not sure if this is necessary, but
189 # doesn't seem to hurt.
190 # The environment variable LD_LIBRARY_PATH will over-ride these runpaths.
191 # Try: 'readelf -d lib*.so' to see these settings in a library.
192 #
193 LDFLAGS_COMMON += -Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN
194 LDFLAGS_COMMON += $(LD_RUNPATH_EXTRAS:%=-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN/%)
195 endif
196
197 EXTRA_LIBS += -lc
198
199 LDFLAGS_DEFS_OPTION = -z defs
200 LDFLAGS_COMMON += $(LDFLAGS_DEFS_OPTION)
201
202 #
203 # -L paths for finding and -ljava
204 #
205 LDFLAGS_OPT = -Xlinker -O1
206 LDFLAGS_COMMON += -L$(LIBDIR)/$(LIBARCH)
207 LDFLAGS_COMMON += -Wl,-soname=$(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)
208
209 #
210 # -static-libgcc is a gcc-3 flag to statically link libgcc, gcc-2.9x always
211 # statically link libgcc but will print a warning with the flag. We don't
212 # want the warning, so check gcc version first.
213 #
214 CC_VER_MAJOR := $(shell $(CC) -dumpversion | $(SED) 's/egcs-//' | $(CUT) -d'.' -f1)
215 ifeq ("$(CC_VER_MAJOR)", "3")
216 OTHER_LDFLAGS += -static-libgcc
217 endif
218
219 # Automatic precompiled header option to use (if COMPILE_APPROACH=batch)
220 # (See Rules.gmk) The gcc 5 compiler might have an option for this?
221 AUTOMATIC_PCH_OPTION =
222
223 #
224 # Post Processing of libraries/executables
225 #
226 ifeq ($(VARIANT), OPT)
227 ifneq ($(NO_STRIP), true)
228 # Debug 'strip -g' leaves local function Elf symbols (better stack traces)
229 POST_STRIP_PROCESS = $(STRIP) -g
230 endif
231 endif
232
233 #
234 # Use: ld $(LD_MAPFILE_FLAG) mapfile *.o
235 #
236 LD_MAPFILE_FLAG = -Xlinker --version-script -Xlinker
237
238 #
239 # Support for Quantify.
240 #
241 ifdef QUANTIFY
242 QUANTIFY_CMD = quantify
243 QUANTIFY_OPTIONS = -cache-dir=/tmp/quantify -always-use-cache-dir=yes
244 LINK_PRE_CMD = $(QUANTIFY_CMD) $(QUANTIFY_OPTIONS)
245 endif
246
247 #
248 # Path and option to link against the VM, if you have to. Note that
249 # there are libraries that link against only -ljava, but they do get
250 # -L to the -ljvm, this is because -ljava depends on -ljvm, whereas
251 # the library itself should not.
252 #
253 VM_NAME = server
254 JVMLIB = -L$(BOOTDIR)/jre/lib/$(LIBARCH)/$(VM_NAME) -ljvm
255 JAVALIB = -L$(BOOTDIR)/jre/lib/$(LIBARCH) -ljava $(JVMLIB)
256
257 #
258 # We want to privatize JVM symbols on Solaris. This is so the user can
259 # write a function called FindClass and this should not override the
260 # FindClass that is inside the JVM. At this point in time we are not
261 # concerned with other JNI libraries because we hope that there will
262 # not be as many clashes there.
263 #
264 PRIVATIZE_JVM_SYMBOLS = false
265
266 USE_PTHREADS = true
267 override ALT_CODESET_KEY = _NL_CTYPE_CODESET_NAME
268 override AWT_RUNPATH =
269 override HAVE_ALTZONE = false
270 override HAVE_FILIOH = false
271 override HAVE_GETHRTIME = false
272 override HAVE_GETHRVTIME = false
273 override HAVE_SIGIGNORE = true
274 override LEX_LIBRARY = -lfl
275 ifeq ($(STATIC_CXX),true)
276 override LIBCXX = -Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic
277 else
278 override LIBCXX = -lstdc++
279 endif
280 override LIBPOSIX4 =
281 override LIBSOCKET =
282 override LIBTHREAD =
283 override MOOT_PRIORITIES = true
284 override NO_INTERRUPTIBLE_IO = true
285 override OPENWIN_HOME = /usr/X11R6
286 ifeq ($(ARCH), amd64)
287 override OPENWIN_LIB = $(OPENWIN_HOME)/lib64
288 else
289 override OPENWIN_LIB = $(OPENWIN_HOME)/lib
290 endif
291 override OTHER_M4FLAGS = -D__GLIBC__ -DGNU_ASSEMBLER
292 override SUN_CMM_SUBDIR =
293 override THREADS_FLAG = native
294 override USE_GNU_M4 = true
295 override USING_GNU_TAR = true
296 override WRITE_LIBVERSION = false
297
298 # USE_EXECNAME forces the launcher to look up argv[0] on $PATH, and put the
299 # resulting resolved absolute name of the executable in the environment
300 # variable EXECNAME. That executable name is then used that to locate the
301 # installation area.
302 override USE_EXECNAME = true
303
304 # If your platform has DPS, it will have Type1 fonts too, in which case
305 # it is best to enable DPS support until such time as 2D's rasteriser
306 # can fully handle Type1 fonts in all cases. Default is "yes".
307 # HAVE_DPS should only be "no" if the platform has no DPS headers or libs
308 # DPS (Displayable PostScript) is available on Solaris machines
309 HAVE_DPS = no
310
311 #
312 # Japanese manpages
313 #
314 JA_SOURCE_ENCODING = eucJP
315 JA_TARGET_ENCODINGS = eucJP
316

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