make/solaris/makefiles/sparcWorks.make

Wed, 16 Dec 2009 12:54:49 -0500

author
phh
date
Wed, 16 Dec 2009 12:54:49 -0500
changeset 1558
167c2986d91b
parent 1279
bd02caa94611
child 1902
fb1a39993f69
permissions
-rw-r--r--

6843629: Make current hotspot build part of jdk5 control build
Summary: Source changes for older compilers plus makefile changes.
Reviewed-by: xlu

     1 #
     2 # Copyright 1998-2009 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 ($(JRE_RELEASE_VER),1.6.0)
    50   # Validated compiler for JDK6 is SS11 (5.8)
    51   VALIDATED_COMPILER_REV   := 5.8
    52   VALIDATED_C_COMPILER_REV := 5.8
    53 else
    54   # Validated compiler for JDK7 is SS12 (5.9)
    55   VALIDATED_COMPILER_REV   := 5.9
    56   VALIDATED_C_COMPILER_REV := 5.9
    57 endif
    59 # Warning messages about not using the above validated version
    60 ENFORCE_COMPILER_REV${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 += ${SOLARIS_7_OR_LATER}
   102 # New architecture options started in SS12 (5.9), we need both styles to build.
   103 #   The older arch options for SS11 (5.8) or older and also for /usr/ccs/bin/as.
   104 #   Note: default for 32bit sparc is now the same as v8plus, so the
   105 #         settings below have changed all 32bit sparc builds to be v8plus.
   106 ARCHFLAG_OLD/sparc   = -xarch=v8plus
   107 ARCHFLAG_NEW/sparc   = -m32 -xarch=sparc
   108 ARCHFLAG_OLD/sparcv9 = -xarch=v9
   109 ARCHFLAG_NEW/sparcv9 = -m64 -xarch=sparc
   110 ARCHFLAG_OLD/i486    =
   111 ARCHFLAG_NEW/i486    = -m32
   112 ARCHFLAG_OLD/amd64   = -xarch=amd64
   113 ARCHFLAG_NEW/amd64   = -m64
   115 # Select the ARCHFLAGs and other SS12 (5.9) options
   116 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 509), 1)
   117   ARCHFLAG/sparc   = $(ARCHFLAG_NEW/sparc)
   118   ARCHFLAG/sparcv9 = $(ARCHFLAG_NEW/sparcv9)
   119   ARCHFLAG/i486    = $(ARCHFLAG_NEW/i486)
   120   ARCHFLAG/amd64   = $(ARCHFLAG_NEW/amd64)
   121 else
   122   ARCHFLAG/sparc   = $(ARCHFLAG_OLD/sparc)
   123   ARCHFLAG/sparcv9 = $(ARCHFLAG_OLD/sparcv9)
   124   ARCHFLAG/i486    = $(ARCHFLAG_OLD/i486)
   125   ARCHFLAG/amd64   = $(ARCHFLAG_OLD/amd64)
   126 endif
   128 # ARCHFLAGS for the current build arch
   129 ARCHFLAG    = $(ARCHFLAG/$(BUILDARCH))
   130 AS_ARCHFLAG = $(ARCHFLAG_OLD/$(BUILDARCH))
   132 # Optional sub-directory in /usr/lib where BUILDARCH libraries are kept.
   133 ISA_DIR=$(ISA_DIR/$(BUILDARCH))
   134 ISA_DIR/sparcv9=/sparcv9
   135 ISA_DIR/amd64=/amd64
   137 # Use these to work around compiler bugs:
   138 OPT_CFLAGS/SLOWER=-xO3
   139 OPT_CFLAGS/O2=-xO2
   140 OPT_CFLAGS/NOOPT=-xO1
   142 #################################################
   143 # Begin current (>=5.6) Forte compiler options #
   144 #################################################
   146 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 506), 1)
   148 ifeq ("${Platform_arch}", "sparc")
   150 # We MUST allow data alignment of 4 for sparc (sparcv9 is ok at 8s)
   151 ifndef LP64
   152 CFLAGS += -xmemalign=4s
   153 endif
   155 endif
   157 endif
   159 #################################################
   160 # Begin current (>=5.5) Forte compiler options #
   161 #################################################
   163 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 505), 1)
   165 CFLAGS     += $(ARCHFLAG)
   166 AOUT_FLAGS += $(ARCHFLAG)
   167 LIB_FLAGS  += $(ARCHFLAG)
   168 LFLAGS     += $(ARCHFLAG)
   170 ifeq ("${Platform_arch}", "sparc")
   172 # Flags for Optimization
   174 # [phh] Commented out pending verification that we do indeed want
   175 #       to potentially bias against u1 and u3 targets.
   176 #CFLAGS += -xchip=ultra2
   178 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   180 endif # sparc
   182 ifeq ("${Platform_arch_model}", "x86_32")
   184 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   186 # UBE (CC 5.5) has bug 4923569 with -xO4
   187 OPT_CFLAGS+=-xO3
   189 endif # 32bit x86
   191 ifeq ("${Platform_arch_model}", "x86_64")
   193 ASFLAGS += $(AS_ARCHFLAG)
   194 CFLAGS  += $(ARCHFLAG/amd64)
   195 # this one seemed useless
   196 LFLAGS_VM  += $(ARCHFLAG/amd64)
   197 # this one worked
   198 LFLAGS  += $(ARCHFLAG/amd64)
   199 AOUT_FLAGS += $(ARCHFLAG/amd64)
   201 # -xO3 is faster than -xO4 on specjbb with SS10 compiler
   202 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   204 endif # 64bit x86
   206 # Inline functions
   207 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_${Platform_arch}/vm/solaris_${Platform_arch_model}.il
   209 # no more exceptions
   210 CFLAGS/NOEX=-features=no%except
   213 # avoid compilation problems arising from fact that C++ compiler tries 
   214 # to search for external template definition by just compiling additional
   215 # source files in th same context
   216 CFLAGS +=  -template=no%extdef
   218 # Reduce code bloat by reverting back to 5.0 behavior for static initializers
   219 CFLAGS += -features=no%split_init
   221 # Use -D_Crun_inline_placement so we don't get references to 
   222 #    __1c2n6FIpv_0_ or   void*operator new(unsigned,void*)
   223 #  This avoids the hard requirement of the newer Solaris C++ runtime patches.
   224 #  NOTE: This is an undocumented feature of the SS10 compiler. See 6306698.
   225 CFLAGS += -D_Crun_inline_placement
   227 # PIC is safer for SPARC, and is considerably slower
   228 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   229 PICFLAG         = -KPIC
   230 PICFLAG/DEFAULT = $(PICFLAG)
   231 # [RGV] Need to figure which files to remove to get link to work
   232 #PICFLAG/BETTER  = -pic
   233 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   234 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   236 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
   237 MAPFLAG = -M FILENAME
   239 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   240 SONAMEFLAG = -h SONAME
   242 # Build shared library
   243 SHARED_FLAG = -G
   245 # We don't need libCstd.so and librwtools7.so, only libCrun.so
   246 CFLAGS += -library=%none
   247 LFLAGS += -library=%none
   249 LFLAGS += -mt
   251 endif	# COMPILER_REV_NUMERIC >= 505
   253 ######################################
   254 # End 5.5 Forte compiler options     #
   255 ######################################
   257 ######################################
   258 # Begin 5.2 Forte compiler options   #
   259 ######################################
   261 ifeq ($(COMPILER_REV_NUMERIC), 502)
   263 CFLAGS     += $(ARCHFLAG)
   264 AOUT_FLAGS += $(ARCHFLAG)
   265 LIB_FLAGS  += $(ARCHFLAG)
   266 LFLAGS     += $(ARCHFLAG)
   268 ifeq ("${Platform_arch}", "sparc")
   270 # Flags for Optimization
   272 # [phh] Commented out pending verification that we do indeed want
   273 #       to potentially bias against u1 and u3 targets.
   274 #CFLAGS += -xchip=ultra2
   276 ifdef LP64
   277 # SC5.0 tools on v9 are flakey at -xO4
   278 # [phh] Is this still true for 6.1?
   279 OPT_CFLAGS=-xO3 $(EXTRA_OPT_CFLAGS)
   280 else
   281 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   282 endif
   284 endif # sparc
   286 ifeq ("${Platform_arch_model}", "x86_32")
   288 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   290 # SC5.0 tools on x86 are flakey at -xO4
   291 # [phh] Is this still true for 6.1?
   292 OPT_CFLAGS+=-xO3
   294 endif # 32bit x86
   296 # no more exceptions
   297 CFLAGS/NOEX=-noex
   299 # Inline functions
   300 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_${Platform_arch}/vm/solaris_${Platform_arch_model}.il
   302 # Reduce code bloat by reverting back to 5.0 behavior for static initializers
   303 CFLAGS += -Qoption ccfe -one_static_init
   305 # PIC is safer for SPARC, and is considerably slower
   306 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   307 PICFLAG         = -KPIC
   308 PICFLAG/DEFAULT = $(PICFLAG)
   309 # [RGV] Need to figure which files to remove to get link to work
   310 #PICFLAG/BETTER  = -pic
   311 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   312 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   314 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
   315 MAPFLAG = -M FILENAME
   317 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
   318 SONAMEFLAG = -h SONAME
   320 # Build shared library
   321 SHARED_FLAG = -G
   323 # Would be better if these weren't needed, since we link with CC, but
   324 # at present removing them causes run-time errors
   325 LFLAGS += -library=Crun
   326 LIBS   += -library=Crun -lCrun
   328 endif	# COMPILER_REV_NUMERIC == 502
   330 ##################################
   331 # End 5.2 Forte compiler options #
   332 ##################################
   334 ##################################
   335 # Begin old 5.1 compiler options #
   336 ##################################
   337 ifeq ($(COMPILER_REV_NUMERIC), 501)
   339 _JUNK_ := $(shell echo >&2 \
   340        "*** ERROR: sparkWorks.make incomplete for 5.1 compiler")
   341 	@exit 1
   342 endif
   343 ##################################
   344 # End old 5.1 compiler options   #
   345 ##################################
   347 ##################################
   348 # Begin old 5.0 compiler options #
   349 ##################################
   351 ifeq	(${COMPILER_REV_NUMERIC}, 500)
   353 # Had to hoist this higher apparently because of other changes. Must
   354 # come before -xarch specification.
   355 #  NOTE: native says optimize for the machine doing the compile, bad news.
   356 CFLAGS += -xtarget=native
   358 CFLAGS     += $(ARCHFLAG)
   359 AOUT_FLAGS += $(ARCHFLAG)
   360 LIB_FLAGS  += $(ARCHFLAG)
   361 LFLAGS     += $(ARCHFLAG)
   363 CFLAGS += -library=iostream
   364 LFLAGS += -library=iostream  -library=Crun
   365 LIBS += -library=iostream -library=Crun -lCrun
   367 # Flags for Optimization
   368 ifdef LP64
   369 # SC5.0 tools on v9 are flakey at -xO4
   370 OPT_CFLAGS=-xO3 $(EXTRA_OPT_CFLAGS)
   371 else
   372 OPT_CFLAGS=-xO4 $(EXTRA_OPT_CFLAGS)
   373 endif
   375 ifeq ("${Platform_arch}", "sparc")
   377 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.il
   379 endif # sparc
   381 ifeq ("${Platform_arch_model}", "x86_32")
   382 OPT_CFLAGS=-xtarget=pentium $(EXTRA_OPT_CFLAGS)
   383 ifeq ("${COMPILER_REV_NUMERIC}", "500")
   384 # SC5.0 tools on x86 are flakey at -xO4
   385 OPT_CFLAGS+=-xO3
   386 else
   387 OPT_CFLAGS+=-xO4
   388 endif
   390 CFLAGS += $(GAMMADIR)/src/os_cpu/solaris_x86/vm/solaris_x86_32.il
   392 endif  # 32bit x86
   394 # The following options run into misaligned ldd problem (raj)
   395 #OPT_CFLAGS = -fast -O4 $(ARCHFLAG/sparc) -xchip=ultra
   397 # no more exceptions
   398 CFLAGS/NOEX=-noex
   400 # PIC is safer for SPARC, and is considerably slower
   401 # a file foo.o which wants to compile -pic can set "PICFLAG/foo.o = -PIC"
   402 PICFLAG         = -PIC
   403 PICFLAG/DEFAULT = $(PICFLAG)
   404 # [RGV] Need to figure which files to remove to get link to work
   405 #PICFLAG/BETTER  = -pic
   406 PICFLAG/BETTER  = $(PICFLAG/DEFAULT)
   407 PICFLAG/BYFILE  = $(PICFLAG/$@)$(PICFLAG/DEFAULT$(PICFLAG/$@))
   409 endif	# COMPILER_REV_NUMERIC = 500
   411 ################################
   412 # End old 5.0 compiler options #
   413 ################################
   415 ifeq ("${COMPILER_REV_NUMERIC}", "402")
   416 # 4.2 COMPILERS SHOULD NO LONGER BE USED
   417 _JUNK_ := $(shell echo >&2 \
   418        "*** ERROR: SC4.2 compilers are not supported by this code base!")
   419 	@exit 1
   420 endif
   422 # do not include shared lib path in a.outs
   423 AOUT_FLAGS += -norunpath
   424 LFLAGS_VM = -norunpath -z noversion
   426 # need position-indep-code for shared libraries
   427 # (ild appears to get errors on PIC code, so we'll try non-PIC for debug)
   428 ifeq ($(PICFLAGS),DEFAULT)
   429 VM_PICFLAG/LIBJVM  = $(PICFLAG/DEFAULT)
   430 else
   431 VM_PICFLAG/LIBJVM  = $(PICFLAG/BYFILE)
   432 endif
   433 VM_PICFLAG/AOUT    =
   435 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
   436 CFLAGS += $(VM_PICFLAG)
   438 # less dynamic linking (no PLTs, please)
   439 #LIB_FLAGS += $(LINK_MODE)
   440 # %%%%% despite -znodefs, -Bsymbolic gets link errors -- Rose
   442 LINK_MODE = $(LINK_MODE/$(VERSION))
   443 LINK_MODE/debug     =
   444 LINK_MODE/optimized = -Bsymbolic -znodefs
   446 # Have thread local errnos
   447 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \>= 505), 1)
   448 CFLAGS += -mt
   449 else
   450 CFLAGS += -D_REENTRANT
   451 endif
   453 ifdef CC_INTERP
   454 # C++ Interpreter
   455 CFLAGS += -DCC_INTERP
   456 endif
   458 # Flags for Debugging
   459 DEBUG_CFLAGS = -g
   460 FASTDEBUG_CFLAGS = -g0
   461 # The -g0 setting allows the C++ frontend to inline, which is a big win.
   463 # Special global options for SS12
   464 ifeq ($(COMPILER_REV_NUMERIC),509)
   465   # There appears to be multiple issues with the new Dwarf2 debug format, so
   466   #   we tell the compiler to use the older 'stabs' debug format all the time.
   467   #   Note that this needs to be used in optimized compiles too to be 100%.
   468   #   This is a workaround for SS12 (5.9) bug 6694600
   469   CFLAGS += -xdebugformat=stabs
   470 endif
   472 # Enable the following CFLAGS additions if you need to compare the
   473 # built ELF objects.
   474 #
   475 # The -g option makes static data global and the "-Qoption ccfe
   476 # -xglobalstatic" option tells the compiler to not globalize static
   477 # data using a unique globalization prefix. Instead force the use of
   478 # a static globalization prefix based on the source filepath so the
   479 # objects from two identical compilations are the same.
   480 #DEBUG_CFLAGS += -Qoption ccfe -xglobalstatic
   481 #FASTDEBUG_CFLAGS += -Qoption ccfe -xglobalstatic
   483 ifeq	(${COMPILER_REV_NUMERIC}, 502)
   484 COMPILER_DATE := $(shell $(CPP) -V 2>&1 | sed -n '/^.*[ ]C++[ ]\([1-9]\.[0-9][0-9]*\)/p' | awk '{ print $$NF; }')
   485 ifeq	(${COMPILER_DATE}, 2001/01/31)
   486 # disable -g0 in fastdebug since SC6.1 dated 2001/01/31 seems to be buggy
   487 # use an innocuous value because it will get -g if it's empty
   488 FASTDEBUG_CFLAGS = -c
   489 endif
   490 endif
   492 # Uncomment or 'gmake CFLAGS_BROWSE=-sbfast' to get source browser information.
   493 # CFLAGS_BROWSE	= -sbfast
   494 CFLAGS		+= $(CFLAGS_BROWSE)
   496 # ILD is gone as of SS11 (5.8), not supportted in SS10 (5.7)
   497 ifeq ($(shell expr $(COMPILER_REV_NUMERIC) \< 507), 1)
   498   # use ild when debugging (but when optimizing we want reproducible results)
   499   ILDFLAG = $(ILDFLAG/$(VERSION))
   500   ILDFLAG/debug     = -xildon
   501   ILDFLAG/optimized =
   502   AOUT_FLAGS += $(ILDFLAG)
   503 endif
   505 # Where to put the *.o files (a.out, or shared library)?
   506 LINK_INTO = $(LINK_INTO/$(VERSION))
   507 LINK_INTO/debug = LIBJVM
   508 LINK_INTO/optimized = LIBJVM
   510 # We link the debug version into the a.out because:
   511 #  1. ild works on a.out but not shared libraries, and using ild
   512 #     can cut rebuild times by 25% for small changes. (ILD is gone in SS11)
   513 #  2. dbx cannot gracefully set breakpoints in shared libraries
   514 #
   516 # apply this setting to link into the shared library even in the debug version:
   517 ifdef LP64
   518 LINK_INTO = LIBJVM
   519 else
   520 #LINK_INTO = LIBJVM
   521 endif
   523 MCS	= /usr/ccs/bin/mcs
   524 STRIP	= /usr/ccs/bin/strip
   526 # Solaris platforms collect lots of redundant file-ident lines,
   527 # to the point of wasting a significant percentage of file space.
   528 # (The text is stored in ELF .comment sections, contributed by
   529 # all "#pragma ident" directives in header and source files.)
   530 # This command "compresses" the .comment sections simply by
   531 # removing repeated lines.  The data can be extracted from
   532 # binaries in the field by using "mcs -p libjvm.so" or the older
   533 # command "what libjvm.so".
   534 LINK_LIB.CC/POST_HOOK += $(MCS) -c $@ || exit 1;
   535 # (The exit 1 is necessary to cause a build failure if the command fails and
   536 # multiple commands are strung together, and the final semicolon is necessary
   537 # since the hook must terminate itself as a valid command.)
   539 # Also, strip debug and line number information (worth about 1.7Mb).
   540 STRIP_LIB.CC/POST_HOOK = $(STRIP) -x $@ || exit 1;
   541 # STRIP_LIB.CC/POST_HOOK is incorporated into LINK_LIB.CC/POST_HOOK
   542 # in certain configurations, such as product.make.  Other configurations,
   543 # such as debug.make, do not include the strip operation.

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