hotspot/make/linux/makefiles/defs.make
changeset 33957 39113ae98993
parent 30113 3f6beb804b02
child 34319 9d6dd3c5ca23
equal deleted inserted replaced
30850:56166ce66037 33957:39113ae98993
   137     JVM_VARIANTS:=server
   137     JVM_VARIANTS:=server
   138     JVM_VARIANT_SERVER:=true
   138     JVM_VARIANT_SERVER:=true
   139   endif
   139   endif
   140 endif
   140 endif
   141 
   141 
   142 # determine if HotSpot is being built in JDK6 or earlier version
   142 # The Full Debug Symbols (FDS) default for BUILD_FLAVOR == product
   143 JDK6_OR_EARLIER=0
   143 # builds is enabled with debug info files ZIP'ed to save space. For
   144 ifeq "$(shell expr \( '$(JDK_MAJOR_VERSION)' != '' \& '$(JDK_MINOR_VERSION)' != '' \& '$(JDK_MICRO_VERSION)' != '' \))" "1"
   144 # BUILD_FLAVOR != product builds, FDS is always enabled, after all a
   145   # if the longer variable names (newer build style) are set, then check those
   145 # debug build without debug info isn't very useful.
   146   ifeq "$(shell expr \( $(JDK_MAJOR_VERSION) = 1 \& $(JDK_MINOR_VERSION) \< 7 \))" "1"
   146 # The ZIP_DEBUGINFO_FILES option only has meaning when FDS is enabled.
   147     JDK6_OR_EARLIER=1
   147 #
   148   endif
   148 # If you invoke a build with FULL_DEBUG_SYMBOLS=0, then FDS will be
   149 else
   149 # disabled for a BUILD_FLAVOR == product build.
   150   # the longer variables aren't set so check the shorter variable names
   150 #
   151   ifeq "$(shell expr \( '$(JDK_MAJOR_VER)' = 1 \& '$(JDK_MINOR_VER)' \< 7 \))" "1"
   151 # Note: Use of a different variable name for the FDS override option
   152     JDK6_OR_EARLIER=1
   152 # versus the FDS enabled check is intentional (FULL_DEBUG_SYMBOLS
   153   endif
   153 # versus ENABLE_FULL_DEBUG_SYMBOLS). For auto build systems that pass
   154 endif
   154 # in options via environment variables, use of distinct variables
   155 
   155 # prevents strange behaviours. For example, in a BUILD_FLAVOR !=
   156 ifeq ($(JDK6_OR_EARLIER),0)
   156 # product build, the FULL_DEBUG_SYMBOLS environment variable will be
   157   # Full Debug Symbols is supported on JDK7 or newer.
   157 # 0, but the ENABLE_FULL_DEBUG_SYMBOLS make variable will be 1. If
   158   # The Full Debug Symbols (FDS) default for BUILD_FLAVOR == product
   158 # the same variable name is used, then different values can be picked
   159   # builds is enabled with debug info files ZIP'ed to save space. For
   159 # up by different parts of the build. Just to be clear, we only need
   160   # BUILD_FLAVOR != product builds, FDS is always enabled, after all a
   160 # two variable names because the incoming option value can be
   161   # debug build without debug info isn't very useful.
   161 # overridden in some situations, e.g., a BUILD_FLAVOR != product
   162   # The ZIP_DEBUGINFO_FILES option only has meaning when FDS is enabled.
   162 # build.
   163   #
   163 
   164   # If you invoke a build with FULL_DEBUG_SYMBOLS=0, then FDS will be
   164 # Due to the multiple sub-make processes that occur this logic gets
   165   # disabled for a BUILD_FLAVOR == product build.
   165 # executed multiple times. We reduce the noise by at least checking that
   166   #
   166 # BUILD_FLAVOR has been set.
   167   # Note: Use of a different variable name for the FDS override option
   167 ifneq ($(BUILD_FLAVOR),)
   168   # versus the FDS enabled check is intentional (FULL_DEBUG_SYMBOLS
   168   ifeq ($(BUILD_FLAVOR), product)
   169   # versus ENABLE_FULL_DEBUG_SYMBOLS). For auto build systems that pass
   169     FULL_DEBUG_SYMBOLS ?= 1
   170   # in options via environment variables, use of distinct variables
   170     ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
   171   # prevents strange behaviours. For example, in a BUILD_FLAVOR !=
   171   else
   172   # product build, the FULL_DEBUG_SYMBOLS environment variable will be
   172     # debug variants always get Full Debug Symbols (if available)
   173   # 0, but the ENABLE_FULL_DEBUG_SYMBOLS make variable will be 1. If
   173     ENABLE_FULL_DEBUG_SYMBOLS = 1
   174   # the same variable name is used, then different values can be picked
   174   endif
   175   # up by different parts of the build. Just to be clear, we only need
   175   $(eval $(call print_info, "ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)"))
   176   # two variable names because the incoming option value can be
   176   # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
   177   # overridden in some situations, e.g., a BUILD_FLAVOR != product
   177 
   178   # build.
   178   ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
   179 
   179     # Default OBJCOPY comes from GNU Binutils on Linux
   180   # Due to the multiple sub-make processes that occur this logic gets
   180     ifeq ($(CROSS_COMPILE_ARCH),)
   181   # executed multiple times. We reduce the noise by at least checking that
   181       DEF_OBJCOPY=/usr/bin/objcopy
   182   # BUILD_FLAVOR has been set.
   182     else
   183   ifneq ($(BUILD_FLAVOR),)
   183       # Assume objcopy is part of the cross-compilation toolset
   184     ifeq ($(BUILD_FLAVOR), product)
   184       ifneq ($(ALT_COMPILER_PATH),)
   185       FULL_DEBUG_SYMBOLS ?= 1
   185         DEF_OBJCOPY=$(ALT_COMPILER_PATH)/objcopy
   186       ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
       
   187     else
       
   188       # debug variants always get Full Debug Symbols (if available)
       
   189       ENABLE_FULL_DEBUG_SYMBOLS = 1
       
   190     endif
       
   191     $(eval $(call print_info, "ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)"))
       
   192     # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
       
   193 
       
   194     ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
       
   195       # Default OBJCOPY comes from GNU Binutils on Linux
       
   196       ifeq ($(CROSS_COMPILE_ARCH),)
       
   197         DEF_OBJCOPY=/usr/bin/objcopy
       
   198       else
       
   199         # Assume objcopy is part of the cross-compilation toolset
       
   200         ifneq ($(ALT_COMPILER_PATH),)
       
   201           DEF_OBJCOPY=$(ALT_COMPILER_PATH)/objcopy
       
   202         endif
       
   203       endif
   186       endif
   204       OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
   187     endif
   205       ifneq ($(ALT_OBJCOPY),)
   188     OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
   206         $(eval $(call print_info, "ALT_OBJCOPY=$(ALT_OBJCOPY)"))
   189     ifneq ($(ALT_OBJCOPY),)
   207         OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
   190       $(eval $(call print_info, "ALT_OBJCOPY=$(ALT_OBJCOPY)"))
   208       endif
   191       OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
   209 
   192     endif
   210       ifeq ($(OBJCOPY),)
   193 
   211         $(eval $(call print_info, "no objcopy cmd found so cannot create .debuginfo files. You may need to set ALT_OBJCOPY."))
   194     ifeq ($(OBJCOPY),)
   212         ENABLE_FULL_DEBUG_SYMBOLS=0
   195       $(eval $(call print_info, "no objcopy cmd found so cannot create .debuginfo files. You may need to set ALT_OBJCOPY."))
   213         $(eval $(call print_info, "ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)"))
   196       ENABLE_FULL_DEBUG_SYMBOLS=0
   214       else
   197       $(eval $(call print_info, "ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)"))
   215         $(eval $(call print_info, "$(OBJCOPY) cmd found so will create .debuginfo files."))
   198     else
   216 
   199       $(eval $(call print_info, "$(OBJCOPY) cmd found so will create .debuginfo files."))
   217         # Library stripping policies for .debuginfo configs:
   200 
   218         #   all_strip - strips everything from the library
   201       # Library stripping policies for .debuginfo configs:
   219         #   min_strip - strips most stuff from the library; leaves minimum symbols
   202       #   all_strip - strips everything from the library
   220         #   no_strip  - does not strip the library at all
   203       #   min_strip - strips most stuff from the library; leaves minimum symbols
   221         #
   204       #   no_strip  - does not strip the library at all
   222         # Oracle security policy requires "all_strip". A waiver was granted on
   205       #
   223         # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
   206       # Oracle security policy requires "all_strip". A waiver was granted on
   224         #
   207       # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
   225         # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.
   208       #
   226         #
   209       # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.
   227         STRIP_POLICY ?= min_strip
   210       #
   228 
   211       STRIP_POLICY ?= min_strip
   229         $(eval $(call print_info, "STRIP_POLICY=$(STRIP_POLICY)"))
   212 
   230 
   213       $(eval $(call print_info, "STRIP_POLICY=$(STRIP_POLICY)"))
   231         ZIP_DEBUGINFO_FILES ?= 1
   214 
   232 
   215       ZIP_DEBUGINFO_FILES ?= 1
   233         $(eval $(call print_info, "ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)"))
   216 
   234       endif
   217       $(eval $(call print_info, "ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)"))
   235     endif # ENABLE_FULL_DEBUG_SYMBOLS=1
   218     endif
   236   endif # BUILD_FLAVOR
   219   endif # ENABLE_FULL_DEBUG_SYMBOLS=1
   237 endif # JDK_6_OR_EARLIER
   220 endif # BUILD_FLAVOR
   238 
   221 
   239 JDK_INCLUDE_SUBDIR=linux
   222 JDK_INCLUDE_SUBDIR=linux
   240 
   223 
   241 # Library suffix
   224 # Library suffix
   242 LIBRARY_SUFFIX=so
   225 LIBRARY_SUFFIX=so