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 = $(CC_LOWER_OPT)
  88     CPPFLAGS_DBG    += -DLOGGING 
  89 endif
  90 
  91 # For all platforms, do not omit the frame pointer register usage. 
  92 #    We need this frame pointer to make it easy to walk the stacks.
  93 #    This should be the default on X86, but ia64 and amd64 may not have this
  94 #    as the default.
  95 CFLAGS_REQUIRED_amd64   += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
  96 CFLAGS_REQUIRED_i586    += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
  97 CFLAGS_REQUIRED_ia64    += -fno-omit-frame-pointer -D_LITTLE_ENDIAN
  98 CFLAGS_REQUIRED_sparcv9 += -m64 -mcpu=v9
  99 LDFLAGS_COMMON_sparcv9  += -m64 -mcpu=v9
 100 CFLAGS_REQUIRED_sparc   += -m32 -mcpu=v9
 101 LDFLAGS_COMMON_sparc    += -m32 -mcpu=v9
 102 ifeq ($(ZERO_BUILD), true)
 103   CFLAGS_REQUIRED       =  $(ZERO_ARCHFLAG)
 104   ifeq ($(ZERO_ENDIANNESS), little)
 105     CFLAGS_REQUIRED     += -D_LITTLE_ENDIAN
 106   endif
 107   LDFLAGS_COMMON        += $(ZERO_ARCHFLAG)
 108 else
 109   CFLAGS_REQUIRED       =  $(CFLAGS_REQUIRED_$(ARCH))
 110   LDFLAGS_COMMON        += $(LDFLAGS_COMMON_$(ARCH))
 111 endif
 112 
 113 # Add in platform specific optimizations for all opt levels
 114 CC_HIGHEST_OPT += $(_OPT_$(ARCH))
 115 CC_HIGHER_OPT  += $(_OPT_$(ARCH))
 116 CC_LOWER_OPT   += $(_OPT_$(ARCH))
 117 
 118 # If NO_OPTIMIZATIONS is defined in the environment, turn all optimzations off
 119 ifdef NO_OPTIMIZATIONS
 120   CC_HIGHEST_OPT = $(CC_NO_OPT)
 121   CC_HIGHER_OPT  = $(CC_NO_OPT)
 122   CC_LOWER_OPT   = $(CC_NO_OPT)
 123 endif
 124 
 125 #
 126 # Selection of warning messages
 127 #
 128 GCC_INHIBIT     = -Wno-unused -Wno-parentheses
 129 GCC_STYLE       = 
 130 GCC_WARNINGS    = -W -Wall $(GCC_STYLE) $(GCC_INHIBIT)
 131 
 132 #
 133 # Treat compiler warnings as errors, if warnings not allowed
 134 #
 135 ifeq ($(COMPILER_WARNINGS_FATAL),true)
 136   GCC_WARNINGS += -Werror
 137 endif
 138 
 139 #
 140 # Misc compiler options
 141 #
 142 ifeq ($(ARCH),ppc)
 143   CFLAGS_COMMON   = -fsigned-char
 144 else # ARCH
 145   CFLAGS_COMMON   = -fno-strict-aliasing
 146 endif # ARCH
 147 PIC_CODE_LARGE = -fPIC
 148 PIC_CODE_SMALL = -fpic
 149 GLOBAL_KPIC = $(PIC_CODE_LARGE)
 150 ifeq ($(ARCH), amd64)
 151    CFLAGS_COMMON   += $(GLOBAL_KPIC) $(GCC_WARNINGS) -pipe
 152 else
 153    CFLAGS_COMMON   += $(GLOBAL_KPIC) $(GCC_WARNINGS)
 154 endif
 155 
 156 # Linux 64bit machines use Dwarf2, which can be HUGE, have fastdebug use -g1
 157 DEBUG_FLAG = -g
 158 ifeq ($(FASTDEBUG), true)
 159   ifeq ($(ARCH_DATA_MODEL), 64)
 160     DEBUG_FLAG = -g1
 161   endif
 162 endif
 163 
 164 CFLAGS_OPT      = $(POPT)
 165 CFLAGS_DBG      = $(DEBUG_FLAG)
 166 CFLAGS_COMMON += $(CFLAGS_REQUIRED)
 167 
 168 CXXFLAGS_COMMON = $(GLOBAL_KPIC) -DCC_NOEX $(GCC_WARNINGS)
 169 CXXFLAGS_OPT    = $(POPT)
 170 CXXFLAGS_DBG    = $(DEBUG_FLAG)
 171 CXXFLAGS_COMMON += $(CFLAGS_REQUIRED)
 172 
 173 # FASTDEBUG: Optimize the code in the -g versions, gives us a faster debug java
 174 ifeq ($(FASTDEBUG), true)
 175   CFLAGS_DBG    += $(CC_LOWER_OPT)
 176   CXXFLAGS_DBG  += $(CC_LOWER_OPT)
 177 endif
 178 
 179 CPPFLAGS_COMMON = -D$(ARCH) -DARCH='"$(ARCH)"' -DLINUX $(VERSION_DEFINES) \
 180                   -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D_REENTRANT
 181 
 182 ifeq ($(ARCH_DATA_MODEL), 64)
 183 CPPFLAGS_COMMON += -D_LP64=1
 184 endif
 185 
 186 CPPFLAGS_OPT    = 
 187 CPPFLAGS_DBG    = -DDEBUG
 188 
 189 ifdef LIBRARY
 190   # Libraries need to locate other libraries at runtime, and you can tell
 191   #   a library where to look by way of the dynamic runpaths (RPATH or RUNPATH)
 192   #   buried inside the .so. The $ORIGIN says to look relative to where
 193   #   the library itself is and it can be followed with relative paths from
 194   #   that. By default we always look in $ORIGIN, optionally we add relative
 195   #   paths if the Makefile sets LD_RUNPATH_EXTRAS to those relative paths.
 196   #   On Linux we add a flag -z origin, not sure if this is necessary, but 
 197   #   doesn't seem to hurt.
 198   #   The environment variable LD_LIBRARY_PATH will over-ride these runpaths.
 199   #   Try: 'readelf -d lib*.so' to see these settings in a library.
 200   #
 201   LDFLAGS_COMMON += -Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN
 202   LDFLAGS_COMMON += $(LD_RUNPATH_EXTRAS:%=-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$ORIGIN/%)
 203 endif
 204 
 205 EXTRA_LIBS += -lc
 206 
 207 LDFLAGS_DEFS_OPTION  = -Xlinker -z -Xlinker defs
 208 LDFLAGS_COMMON  += $(LDFLAGS_DEFS_OPTION)
 209 
 210 #
 211 # -L paths for finding and -ljava
 212 #
 213 LDFLAGS_OPT     = -Xlinker -O1
 214 LDFLAGS_COMMON += -L$(LIBDIR)/$(LIBARCH)
 215 LDFLAGS_COMMON += -Wl,-soname=$(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)
 216 
 217 #
 218 # -static-libgcc is a gcc-3 flag to statically link libgcc, gcc-2.9x always
 219 # statically link libgcc but will print a warning with the flag. We don't 
 220 # want the warning, so check gcc version first.
 221 #
 222 CC_VER_MAJOR := $(shell $(CC) -dumpversion | $(SED) 's/egcs-//' | $(CUT) -d'.' -f1)
 223 ifeq ("$(CC_VER_MAJOR)", "3")
 224 OTHER_LDFLAGS  += -static-libgcc
 225 endif
 226 
 227 # Automatic precompiled header option to use (if COMPILE_APPROACH=batch)
 228 #   (See Rules.gmk) The gcc 5 compiler might have an option for this?
 229 AUTOMATIC_PCH_OPTION = 
 230 
 231 #
 232 # Post Processing of libraries/executables
 233 #
 234 ifeq ($(VARIANT), OPT)
 235   ifneq ($(NO_STRIP), true)
 236     # Debug 'strip -g' leaves local function Elf symbols (better stack traces)
 237     POST_STRIP_PROCESS = $(STRIP) -g
 238   endif
 239 endif
 240 
 241 #
 242 # Use: ld $(LD_MAPFILE_FLAG) mapfile *.o
 243 #
 244 LD_MAPFILE_FLAG = -Xlinker --version-script -Xlinker
 245 
 246 #
 247 # Support for Quantify.
 248 #
 249 ifdef QUANTIFY
 250 QUANTIFY_CMD = quantify
 251 QUANTIFY_OPTIONS = -cache-dir=/tmp/quantify -always-use-cache-dir=yes
 252 LINK_PRE_CMD = $(QUANTIFY_CMD) $(QUANTIFY_OPTIONS)
 253 endif
 254 
 255 #
 256 # Path and option to link against the VM, if you have to.  Note that
 257 # there are libraries that link against only -ljava, but they do get
 258 # -L to the -ljvm, this is because -ljava depends on -ljvm, whereas
 259 # the library itself should not.
 260 #
 261 VM_NAME         = server
 262 JVMLIB          = -L$(BOOTDIR)/jre/lib/$(LIBARCH)/$(VM_NAME) -ljvm
 263 JAVALIB         = -L$(BOOTDIR)/jre/lib/$(LIBARCH) -ljava $(JVMLIB)
 264 
 265 #
 266 # We want to privatize JVM symbols on Solaris. This is so the user can
 267 # write a function called FindClass and this should not override the 
 268 # FindClass that is inside the JVM. At this point in time we are not
 269 # concerned with other JNI libraries because we hope that there will
 270 # not be as many clashes there.
 271 #
 272 PRIVATIZE_JVM_SYMBOLS = false
 273 
 274 USE_PTHREADS = true
 275 override ALT_CODESET_KEY         = _NL_CTYPE_CODESET_NAME
 276 override AWT_RUNPATH             =
 277 override HAVE_ALTZONE            = false
 278 override HAVE_FILIOH             = false
 279 override HAVE_GETHRTIME          = false
 280 override HAVE_GETHRVTIME         = false
 281 override HAVE_SIGIGNORE          = true
 282 override LEX_LIBRARY             = -lfl
 283 ifeq ($(STATIC_CXX),true)
 284 override LIBCXX                  = -Wl,-Bstatic -lstdc++ -lgcc -Wl,-Bdynamic
 285 else
 286 override LIBCXX                  = -lstdc++
 287 endif
 288 override LIBPOSIX4               =
 289 override LIBSOCKET               =
 290 override LIBTHREAD               =
 291 override MOOT_PRIORITIES         = true
 292 override NO_INTERRUPTIBLE_IO     = true
 293 override OPENWIN_HOME            = /usr/X11R6
 294 ifeq ($(ARCH), amd64)
 295 override OPENWIN_LIB             = $(OPENWIN_HOME)/lib64
 296 else
 297 override OPENWIN_LIB             = $(OPENWIN_HOME)/lib
 298 endif
 299 override OTHER_M4FLAGS           = -D__GLIBC__ -DGNU_ASSEMBLER
 300 override SUN_CMM_SUBDIR          =
 301 override THREADS_FLAG            = native
 302 override USE_GNU_M4              = true
 303 override USING_GNU_TAR           = true
 304 override WRITE_LIBVERSION        = false
 305 
 306 # USE_EXECNAME forces the launcher to look up argv[0] on $PATH, and put the
 307 # resulting resolved absolute name of the executable in the environment
 308 # variable EXECNAME.  That executable name is then used that to locate the
 309 # installation area.
 310 override USE_EXECNAME            = true
 311 
 312 # If your platform has DPS, it will have Type1 fonts too, in which case
 313 # it is best to enable DPS support until such time as 2D's rasteriser
 314 # can fully handle Type1 fonts in all cases. Default is "yes".
 315 # HAVE_DPS should only be "no" if the platform has no DPS headers or libs
 316 # DPS (Displayable PostScript) is available on Solaris machines
 317 HAVE_DPS = no
 318 
 319 #
 320 # Japanese manpages
 321 #
 322 JA_SOURCE_ENCODING = eucJP
 323 JA_TARGET_ENCODINGS = eucJP
 324