make/solaris/makefiles/sparcWorks.make

Thu, 19 Feb 2009 14:08:00 -0800

author
xdono
date
Thu, 19 Feb 2009 14:08:00 -0800
changeset 975
d61c7c22b25c
parent 865
4d20a3aaf1ab
child 1159
2bf529ef0adb
permissions
-rw-r--r--

Added tag jdk7-b48 for changeset bcb33806d186

     1 #
     2 # Copyright 1998-2008 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.
     8 #
     9 # This code is distributed in the hope that it will be useful, but WITHOUT
    10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12 # version 2 for more details (a copy is included in the LICENSE file that
    13 # accompanied this code).
    14 #
    15 # You should have received a copy of the GNU General Public License version
    16 # 2 along with this work; if not, write to the Free Software Foundation,
    17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18 #
    19 # Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20 # CA 95054 USA or visit www.sun.com if you need additional information or
    21 # have any questions.
    22 #  
    23 #
    25 # Compiler-specific flags for sparcworks.
    27 # tell make which C and C++ compilers to use
    28 CC	= cc
    29 CPP	= CC
    31 # Note that this 'as' is an older version of the Sun Studio 'fbe', and will
    32 #   use the older style options. The 'fbe' options will match 'cc' and 'CC'.
    33 AS	= /usr/ccs/bin/as
    35 NM	= /usr/ccs/bin/nm
    36 NAWK    = /bin/nawk
    38 REORDER_FLAG = -xF
    40 # Check for the versions of C++ and C compilers ($CPP and $CC) used. 
    42 # Get the last thing on the line that looks like x.x+ (x is a digit).
    43 COMPILER_REV := \
    44 $(shell $(CPP) -V 2>&1 | sed -n 's/^.*[ ,\t]C++[ ,\t]\([1-9]\.[0-9][0-9]*\).*/\1/p')
    45 C_COMPILER_REV := \
    46 $(shell $(CC) -V 2>&1 | sed -n 's/^.*[ ,\t]C[ ,\t]\([1-9]\.[0-9][0-9]*\).*/\1/p')
    48 # Pick which compiler is validated
    49 ifeq ($(JDK_MINOR_VERSION),6)
    50   # Validated compiler for JDK6 is SS11 (5.8)
    51   VALIDATED_COMPILER_REV   := 5.8
    52   VALIDATED_C_COMPILER_REV := 5.8
    53 else
    54   # Validated compiler for JDK7 is SS12 (5.9)
    55   VALIDATED_COMPILER_REV   := 5.9
    56   VALIDATED_C_COMPILER_REV := 5.9
    57 endif
    59 # Warning messages about not using the above validated version
    60 ENFORCE_COMPILER_REV${ENFORCE_COMPILER_REV} := ${VALIDATED_COMPILER_REV}
    61 ifneq (${COMPILER_REV},${ENFORCE_COMPILER_REV})
    62 dummy_target_to_enforce_compiler_rev:=\
    63 $(shell echo >&2 WARNING: You are using CC version ${COMPILER_REV} \
    64 and should be using version ${ENFORCE_COMPILER_REV}. Set ENFORCE_COMPILER_REV=${COMPILER_REV} to avoid this warning.)
    65 endif
    67 ENFORCE_C_COMPILER_REV${ENFORCE_C_COMPILER_REV} := ${VALIDATED_C_COMPILER_REV}
    68 ifneq (${C_COMPILER_REV},${ENFORCE_C_COMPILER_REV})
    69 dummy_target_to_enforce_c_compiler_rev:=\
    70 $(shell echo >&2 WARNING: You are using cc version ${C_COMPILER_REV} \
    71 and should be using version ${ENFORCE_C_COMPILER_REV}. Set ENFORCE_C_COMPILER_REV=${C_COMPILER_REV} to avoid this warning.)
    72 endif
    74 COMPILER_REV_NUMERIC := $(shell echo $(COMPILER_REV) | awk -F. '{ print $$1 * 100 + $$2 }')
    76 # Fail the build if __fabsf is used.  __fabsf exists only in Solaris 8 2/04
    77 # and newer; objects with a dependency on this symbol will not run on older
    78 # Solaris 8.
    79 JVM_FAIL_IF_UNDEFINED = __fabsf
    81 JVM_CHECK_SYMBOLS = $(NM) -u -p $(LIBJVM.o) | \
    82 	$(NAWK) -v f="${JVM_FAIL_IF_UNDEFINED}" \
    83 	     'BEGIN    { c=split(f,s); rc=0; } \
    84 	      /:$$/     { file = $$1; } \
    85 	      /[^:]$$/  { for(n=1;n<=c;++n) { \
    86 			   if($$1==s[n]) { \
    87 			     printf("JVM_CHECK_SYMBOLS: %s contains illegal symbol %s\n", \
    88 				    file,$$1); \
    89 			     rc=1; \
    90 			   } \
    91 		         } \
    92                        } \
    93 	      END      { exit rc; }'
    95 LINK_LIB.CC/PRE_HOOK += $(JVM_CHECK_SYMBOLS) || exit 1;
    97 # Some interfaces (_lwp_create) changed with LP64 and Solaris 7
    98 SOLARIS_7_OR_LATER := \
    99 $(shell uname -r | awk -F. '{ if ($$2 >= 7) print "-DSOLARIS_7_OR_LATER"; }')
   100 CFLAGS += ${SOLARIS_7_OR_LATER}
   102 # New architecture options started in SS12 (5.9), we need both styles to build.
   103 #   The older arch options for SS11 (5.8) or older and also for /usr/ccs/bin/as.
   104 #   Note: SS12 default for 32bit sparc is now the same as v8plus, so the
   105 #         settings below have changed all SS12 32bit sparc builds to be v8plus.
   106 #         The older SS11 (5.8) settings have remained as they always have been.
   107 ifeq ($(TYPE),COMPILER2)
   108   ARCHFLAG_OLD/sparc   = -xarch=v8plus
   109 else
   110   ifeq ($(TYPE),TIERED)
   111     ARCHFLAG_OLD/sparc = -xarch=v8plus
   112   else
   113     ARCHFLAG_OLD/sparc = -xarch=v8
   114   endif
   115 endif
   116 ARCHFLAG_NEW/sparc   = -m32 -xarch=sparc
   117 ARCHFLAG_OLD/sparcv9 = -xarch=v9
   118 ARCHFLAG_NEW/sparcv9 = -m64 -xarch=sparc
   119 ARCHFLAG_OLD/i486    =
   120 ARCHFLAG_NEW/i486    = -m32
   121 ARCHFLAG_OLD/amd64   = -xarch=amd64
   122 ARCHFLAG_NEW/amd64   = -m64
   124 # Select the ARCHFLAGs and other SS12 (5.9) options
   125 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 509), 1)
   126   ARCHFLAG/sparc   = $(ARCHFLAG_NEW/sparc)
   127   ARCHFLAG/sparcv9 = $(ARCHFLAG_NEW/sparcv9)
   128   ARCHFLAG/i486    = $(ARCHFLAG_NEW/i486)
   129   ARCHFLAG/amd64   = $(ARCHFLAG_NEW/amd64)
   130 else
   131   ARCHFLAG/sparc   = $(ARCHFLAG_OLD/sparc)
   132   ARCHFLAG/sparcv9 = $(ARCHFLAG_OLD/sparcv9)
   133   ARCHFLAG/i486    = $(ARCHFLAG_OLD/i486)
   134   ARCHFLAG/amd64   = $(ARCHFLAG_OLD/amd64)
   135 endif
   137 # ARCHFLAGS for the current build arch
   138 ARCHFLAG    = $(ARCHFLAG/$(BUILDARCH))
   139 AS_ARCHFLAG = $(ARCHFLAG_OLD/$(BUILDARCH))
   141 # Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.
   142 ISA_DIR=$(ISA_DIR/$(BUILDARCH))
   143 ISA_DIR/sparcv9=/sparcv9
   144 ISA_DIR/amd64=/amd64
   146 # Use these to work around compiler bugs:
   147 OPT_CFLAGS/SLOWER=-xO3
   148 OPT_CFLAGS/O2=-xO2
   149 OPT_CFLAGS/NOOPT=-xO1
   151 #################################################
   152 # Begin current (>=5.6) Forte compiler options #
   153 #################################################
   155 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 506), 1)
   157 ifeq ("${Platform_arch}", "sparc")
   159 # We MUST allow data alignment of 4 for sparc (sparcv9 is ok at 8s)
   160 ifndef LP64
   161 CFLAGS += -xmemalign=4s
   162 endif
   164 endif
   166 endif
   168 #################################################
   169 # Begin current (>=5.5) Forte compiler options #
   170 #################################################
   172 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 505), 1)
   174 CFLAGS     += $(ARCHFLAG)
   175 AOUT_FLAGS += $(ARCHFLAG)
   176 LIB_FLAGS  += $(ARCHFLAG)
   177 LFLAGS     += $(ARCHFLAG)
   179 ifeq ("${Platform_arch}", "sparc")
   181 # Flags for Optimization
   183 # [phh] Commented out pending verification that we do indeed want
   184 #       to potentially bias against u1 and u3 targets.
   185 #CFLAGS += -xchip=ultra2
   187 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   189 endif # sparc
   191 ifeq ("${Platform_arch_model}", "x86_32")
   193 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   195 # UBE (CC 5.5) has bug 4923569 with -xO4
   196 OPT_CFLAGS+=-xO3
   198 endif # 32bit x86
   200 ifeq ("${Platform_arch_model}", "x86_64")
   202 ASFLAGS += $(AS_ARCHFLAG)
   203 CFLAGS  += $(ARCHFLAG/amd64)
   204 # this one seemed useless
   205 LFLAGS_VM  += $(ARCHFLAG/amd64)
   206 # this one worked
   207 LFLAGS  += $(ARCHFLAG/amd64)
   208 AOUT_FLAGS += $(ARCHFLAG/amd64)
   210 # -xO3 is faster than -xO4 on specjbb with SS10 compiler
   211 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   213 endif # 64bit x86
   215 # Inline functions
   216 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_${Platform_arch}/vm/solaris_${Platform_arch_model}.il
   218 # no more exceptions
   219 CFLAGS/NOEX=-features=no%except
   222 # avoid compilation problems arising from fact that C++ compiler tries 
   223 # to search for external template definition by just compiling additional
   224 # source files in th same context
   225 CFLAGS +=  -template=no%extdef
   227 # Reduce code bloat by reverting back to 5.0 behavior for static initializers
   228 CFLAGS += -features=no%split_init
   230 # Use -D_Crun_inline_placement so we don't get references to 
   231 #    __1c2n6FIpv_0_ or   void*operator new(unsigned,void*)
   232 #  This avoids the hard requirement of the newer Solaris C++ runtime patches.
   233 #  NOTE: This is an undocumented feature of the SS10 compiler. See 6306698.
   234 CFLAGS += -D_Crun_inline_placement
   236 # PIC is safer for SPARC, and is considerably slower
   237 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   238 PICFLAG         = -KPIC
   239 PICFLAG/DEFAULT = $(PICFLAG)
   240 # [RGV] Need to figure which files to remove to get link to work
   241 #PICFLAG/BETTER  = -pic
   242 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   243 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   245 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
   246 MAPFLAG = -M FILENAME
   248 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   249 SONAMEFLAG = -h SONAME
   251 # Build shared library
   252 SHARED_FLAG = -G
   254 # We don't need libCstd.so and librwtools7.so, only libCrun.so
   255 CFLAGS += -library=%none
   256 LFLAGS += -library=%none
   258 LFLAGS += -mt
   260 endif	# COMPILER_REV_NUMERIC >= 505
   262 ######################################
   263 # End 5.5 Forte compiler options     #
   264 ######################################
   266 ######################################
   267 # Begin 5.2 Forte compiler options   #
   268 ######################################
   270 ifeq ($(COMPILER_REV_NUMERIC), 502)
   272 CFLAGS     += $(ARCHFLAG)
   273 AOUT_FLAGS += $(ARCHFLAG)
   274 LIB_FLAGS  += $(ARCHFLAG)
   275 LFLAGS     += $(ARCHFLAG)
   277 ifeq ("${Platform_arch}", "sparc")
   279 # Flags for Optimization
   281 # [phh] Commented out pending verification that we do indeed want
   282 #       to potentially bias against u1 and u3 targets.
   283 #CFLAGS += -xchip=ultra2
   285 ifdef LP64
   286 # SC5.0 tools on v9 are flakey at -xO4
   287 # [phh] Is this still true for 6.1?
   288 OPT_CFLAGS=-xO3 $(EXTRA_OPT_CFLAGS)
   289 else
   290 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   291 endif
   293 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_sparc/vm/solaris_sparc.il
   295 endif # sparc
   297 ifeq ("${Platform_arch_model}", "x86_32")
   299 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   301 # SC5.0 tools on x86 are flakey at -xO4
   302 # [phh] Is this still true for 6.1?
   303 OPT_CFLAGS+=-xO3
   305 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_x86/vm/solaris_x86_32.il
   307 endif # 32bit x86
   309 # no more exceptions
   310 CFLAGS/NOEX=-noex
   312 # Reduce code bloat by reverting back to 5.0 behavior for static initializers
   313 CFLAGS += -Qoption ccfe -one_static_init
   315 # PIC is safer for SPARC, and is considerably slower
   316 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   317 PICFLAG         = -KPIC
   318 PICFLAG/DEFAULT = $(PICFLAG)
   319 # [RGV] Need to figure which files to remove to get link to work
   320 #PICFLAG/BETTER  = -pic
   321 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   322 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   324 # Would be better if these weren't needed, since we link with CC, but
   325 # at present removing them causes run-time errors
   326 LFLAGS += -library=Crun
   327 LIBS   += -library=Crun -lCrun
   329 endif	# COMPILER_REV_NUMERIC == 502
   331 ##################################
   332 # End 5.2 Forte compiler options #
   333 ##################################
   335 ##################################
   336 # Begin old 5.1 compiler options #
   337 ##################################
   338 ifeq ($(COMPILER_REV_NUMERIC), 501)
   340 _JUNK_ := $(shell echo >&2 \
   341        "*** ERROR: sparkWorks.make incomplete for 5.1 compiler")
   342 	@exit 1
   343 endif
   344 ##################################
   345 # End old 5.1 compiler options   #
   346 ##################################
   348 ##################################
   349 # Begin old 5.0 compiler options #
   350 ##################################
   352 ifeq	(${COMPILER_REV_NUMERIC}, 500)
   354 # Had to hoist this higher apparently because of other changes. Must
   355 # come before -xarch specification.
   356 #  NOTE: native says optimize for the machine doing the compile, bad news.
   357 CFLAGS += -xtarget=native
   359 CFLAGS     += $(ARCHFLAG)
   360 AOUT_FLAGS += $(ARCHFLAG)
   361 LIB_FLAGS  += $(ARCHFLAG)
   362 LFLAGS     += $(ARCHFLAG)
   364 CFLAGS += -library=iostream
   365 LFLAGS += -library=iostream  -library=Crun
   366 LIBS += -library=iostream -library=Crun -lCrun
   368 # Flags for Optimization
   369 ifdef LP64
   370 # SC5.0 tools on v9 are flakey at -xO4
   371 OPT_CFLAGS=-xO3 $(EXTRA_OPT_CFLAGS)
   372 else
   373 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   374 endif
   376 ifeq ("${Platform_arch}", "sparc")
   378 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.il
   380 endif # sparc
   382 ifeq ("${Platform_arch_model}", "x86_32")
   383 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   384 ifeq ("${COMPILER_REV_NUMERIC}", "500")
   385 # SC5.0 tools on x86 are flakey at -xO4
   386 OPT_CFLAGS+=-xO3
   387 else
   388 OPT_CFLAGS+=-xO4
   389 endif
   391 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_x86/vm/solaris_x86_32.il
   393 endif  # 32bit x86
   395 # The following options run into misaligned ldd problem (raj)
   396 #OPT_CFLAGS = -fast -O4 $(ARCHFLAG/sparc) -xchip=ultra
   398 # no more exceptions
   399 CFLAGS/NOEX=-noex
   401 # PIC is safer for SPARC, and is considerably slower
   402 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   403 PICFLAG         = -PIC
   404 PICFLAG/DEFAULT = $(PICFLAG)
   405 # [RGV] Need to figure which files to remove to get link to work
   406 #PICFLAG/BETTER  = -pic
   407 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   408 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   410 endif	# COMPILER_REV_NUMERIC = 500
   412 ################################
   413 # End old 5.0 compiler options #
   414 ################################
   416 ifeq ("${COMPILER_REV_NUMERIC}", "402")
   417 # 4.2 COMPILERS SHOULD NO LONGER BE USED
   418 _JUNK_ := $(shell echo >&2 \
   419        "*** ERROR: SC4.2 compilers are not supported by this code base!")
   420 	@exit 1
   421 endif
   423 # do not include shared lib path in a.outs
   424 AOUT_FLAGS += -norunpath
   425 LFLAGS_VM = -norunpath -z noversion
   427 # need position-indep-code for shared libraries
   428 # (ild appears to get errors on PIC code, so we'll try non-PIC for debug)
   429 ifeq ($(PICFLAGS),DEFAULT)
   430 VM_PICFLAG/LIBJVM  = $(PICFLAG/DEFAULT)
   431 else
   432 VM_PICFLAG/LIBJVM  = $(PICFLAG/BYFILE)
   433 endif
   434 VM_PICFLAG/AOUT    =
   436 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
   437 CFLAGS += $(VM_PICFLAG)
   439 # less dynamic linking (no PLTs, please)
   440 #LIB_FLAGS += $(LINK_MODE)
   441 # %%%%% despite -znodefs, -Bsymbolic gets link errors -- Rose
   443 LINK_MODE = $(LINK_MODE/$(VERSION))
   444 LINK_MODE/debug     =
   445 LINK_MODE/optimized = -Bsymbolic -znodefs
   447 # Have thread local errnos
   448 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 505), 1)
   449 CFLAGS += -mt
   450 else
   451 CFLAGS += -D_REENTRANT
   452 endif
   454 ifdef CC_INTERP
   455 # C++ Interpreter
   456 CFLAGS += -DCC_INTERP
   457 endif
   459 # Flags for Debugging
   460 DEBUG_CFLAGS = -g
   461 FASTDEBUG_CFLAGS = -g0
   462 # The -g0 setting allows the C++ frontend to inline, which is a big win.
   464 # Special global options for SS12
   465 ifeq ($(COMPILER_REV_NUMERIC),509)
   466   # There appears to be multiple issues with the new Dwarf2 debug format, so
   467   #   we tell the compiler to use the older 'stabs' debug format all the time.
   468   #   Note that this needs to be used in optimized compiles too to be 100%.
   469   #   This is a workaround for SS12 (5.9) bug 6694600
   470   CFLAGS += -xdebugformat=stabs
   471 endif
   473 # Enable the following CFLAGS additions if you need to compare the
   474 # built ELF objects.
   475 #
   476 # The -g option makes static data global and the "-Qoption ccfe
   477 # -xglobalstatic" option tells the compiler to not globalize static
   478 # data using a unique globalization prefix. Instead force the use of
   479 # a static globalization prefix based on the source filepath so the
   480 # objects from two identical compilations are the same.
   481 #DEBUG_CFLAGS += -Qoption ccfe -xglobalstatic
   482 #FASTDEBUG_CFLAGS += -Qoption ccfe -xglobalstatic
   484 ifeq	(${COMPILER_REV_NUMERIC}, 502)
   485 COMPILER_DATE := $(shell $(CPP) -V 2>&1 | sed -n '/^.*[ ]C++[ ]\([1-9]\.[0-9][0-9]*\)/p' | awk '{ print $$NF; }')
   486 ifeq	(${COMPILER_DATE}, 2001/01/31)
   487 # disable -g0 in fastdebug since SC6.1 dated 2001/01/31 seems to be buggy
   488 # use an innocuous value because it will get -g if it's empty
   489 FASTDEBUG_CFLAGS = -c
   490 endif
   491 endif
   493 # Uncomment or 'gmake CFLAGS_BROWSE=-sbfast' to get source browser information.
   494 # CFLAGS_BROWSE	= -sbfast
   495 CFLAGS		+= $(CFLAGS_BROWSE)
   497 # ILD is gone as of SS11 (5.8), not supportted in SS10 (5.7)
   498 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \< 507), 1)
   499   # use ild when debugging (but when optimizing we want reproducible results)
   500   ILDFLAG = $(ILDFLAG/$(VERSION))
   501   ILDFLAG/debug     = -xildon
   502   ILDFLAG/optimized =
   503   AOUT_FLAGS += $(ILDFLAG)
   504 endif
   506 # Where to put the *.o files (a.out, or shared library)?
   507 LINK_INTO = $(LINK_INTO/$(VERSION))
   508 LINK_INTO/debug = LIBJVM
   509 LINK_INTO/optimized = LIBJVM
   511 # We link the debug version into the a.out because:
   512 #  1. ild works on a.out but not shared libraries, and using ild
   513 #     can cut rebuild times by 25% for small changes. (ILD is gone in SS11)
   514 #  2. dbx cannot gracefully set breakpoints in shared libraries
   515 #
   517 # apply this setting to link into the shared library even in the debug version:
   518 ifdef LP64
   519 LINK_INTO = LIBJVM
   520 else
   521 #LINK_INTO = LIBJVM
   522 endif
   524 MCS	= /usr/ccs/bin/mcs
   525 STRIP	= /usr/ccs/bin/strip
   527 # Solaris platforms collect lots of redundant file-ident lines,
   528 # to the point of wasting a significant percentage of file space.
   529 # (The text is stored in ELF .comment sections, contributed by
   530 # all "#pragma ident" directives in header and source files.)
   531 # This command "compresses" the .comment sections simply by
   532 # removing repeated lines.  The data can be extracted from
   533 # binaries in the field by using "mcs -p libjvm.so" or the older
   534 # command "what libjvm.so".
   535 LINK_LIB.CC/POST_HOOK += $(MCS) -c $@ || exit 1;
   536 # (The exit 1 is necessary to cause a build failure if the command fails and
   537 # multiple commands are strung together, and the final semicolon is necessary
   538 # since the hook must terminate itself as a valid command.)
   540 # Also, strip debug and line number information (worth about 1.7Mb).
   541 STRIP_LIB.CC/POST_HOOK = $(STRIP) -x $@ || exit 1;
   542 # STRIP_LIB.CC/POST_HOOK is incorporated into LINK_LIB.CC/POST_HOOK
   543 # in certain configurations, such as product.make.  Other configurations,
   544 # such as debug.make, do not include the strip operation.

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