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comparison make/linux/makefiles/defs.make @ 6932:857f3ce858dd

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8002034: Allow Full Debug Symbols when cross-compiling 8001756: Hotspot makefiles report missing OBJCOPY command in the wrong circumstances Reviewed-by: dcubed, dsamersoff, erikj, collins
author dholmes
date Mon, 05 Nov 2012 19:33:44 -0500
parents fb19af007ffc
children 1b0dc9f87e75
comparison
equal deleted inserted replaced
6931:ca8168203393 6932:857f3ce858dd
168 # up by different parts of the build. Just to be clear, we only need 168 # up by different parts of the build. Just to be clear, we only need
169 # two variable names because the incoming option value can be 169 # two variable names because the incoming option value can be
170 # overridden in some situations, e.g., a BUILD_FLAVOR != product 170 # overridden in some situations, e.g., a BUILD_FLAVOR != product
171 # build. 171 # build.
172 172
173 ifeq ($(BUILD_FLAVOR), product) 173 # Due to the multiple sub-make processes that occur this logic gets
174 FULL_DEBUG_SYMBOLS ?= 1 174 # executed multiple times. We reduce the noise by at least checking that
175 ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS) 175 # BUILD_FLAVOR has been set.
176 else 176 ifneq ($(BUILD_FLAVOR),)
177 # debug variants always get Full Debug Symbols (if available) 177 ifeq ($(BUILD_FLAVOR), product)
178 ENABLE_FULL_DEBUG_SYMBOLS = 1 178 FULL_DEBUG_SYMBOLS ?= 1
179 endif 179 ENABLE_FULL_DEBUG_SYMBOLS = $(FULL_DEBUG_SYMBOLS)
180 _JUNK_ := $(shell \
181 echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
182 # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
183
184 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
185 # Default OBJCOPY comes from GNU Binutils on Linux:
186 DEF_OBJCOPY=/usr/bin/objcopy
187 ifdef CROSS_COMPILE_ARCH
188 # don't try to generate .debuginfo files when cross compiling
189 _JUNK_ := $(shell \
190 echo >&2 "INFO: cross compiling for ARCH $(CROSS_COMPILE_ARCH)," \
191 "skipping .debuginfo generation.")
192 OBJCOPY=
193 else 180 else
181 # debug variants always get Full Debug Symbols (if available)
182 ENABLE_FULL_DEBUG_SYMBOLS = 1
183 endif
184 _JUNK_ := $(shell \
185 echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
186 # since objcopy is optional, we set ZIP_DEBUGINFO_FILES later
187
188 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
189 # Default OBJCOPY comes from GNU Binutils on Linux
190 ifeq ($(CROSS_COMPILE_ARCH),)
191 DEF_OBJCOPY=/usr/bin/objcopy
192 else
193 # Assume objcopy is part of the cross-compilation toolset
194 ifneq ($(ALT_COMPILER_PATH),)
195 DEF_OBJCOPY=$(ALT_COMPILER_PATH)/objcopy
196 endif
197 endif
194 OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY)) 198 OBJCOPY=$(shell test -x $(DEF_OBJCOPY) && echo $(DEF_OBJCOPY))
195 ifneq ($(ALT_OBJCOPY),) 199 ifneq ($(ALT_OBJCOPY),)
196 _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)") 200 _JUNK_ := $(shell echo >&2 "INFO: ALT_OBJCOPY=$(ALT_OBJCOPY)")
197 OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY)) 201 OBJCOPY=$(shell test -x $(ALT_OBJCOPY) && echo $(ALT_OBJCOPY))
198 endif 202 endif
199 endif 203
200 else 204 ifeq ($(OBJCOPY),)
201 OBJCOPY= 205 _JUNK_ := $(shell \
202 endif 206 echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files. You may need to set ALT_OBJCOPY.")
203 207 ENABLE_FULL_DEBUG_SYMBOLS=0
204 ifeq ($(OBJCOPY),) 208 _JUNK_ := $(shell \
205 _JUNK_ := $(shell \ 209 echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)")
206 echo >&2 "INFO: no objcopy cmd found so cannot create .debuginfo files.") 210 else
207 ENABLE_FULL_DEBUG_SYMBOLS=0 211 _JUNK_ := $(shell \
208 _JUNK_ := $(shell \ 212 echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.")
209 echo >&2 "INFO: ENABLE_FULL_DEBUG_SYMBOLS=$(ENABLE_FULL_DEBUG_SYMBOLS)") 213
210 else 214 # Library stripping policies for .debuginfo configs:
211 _JUNK_ := $(shell \ 215 # all_strip - strips everything from the library
212 echo >&2 "INFO: $(OBJCOPY) cmd found so will create .debuginfo files.") 216 # min_strip - strips most stuff from the library; leaves minimum symbols
213 217 # no_strip - does not strip the library at all
214 # Library stripping policies for .debuginfo configs: 218 #
215 # all_strip - strips everything from the library 219 # Oracle security policy requires "all_strip". A waiver was granted on
216 # min_strip - strips most stuff from the library; leaves minimum symbols 220 # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE.
217 # no_strip - does not strip the library at all 221 #
218 # 222 # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled.
219 # Oracle security policy requires "all_strip". A waiver was granted on 223 #
220 # 2011.09.01 that permits using "min_strip" in the Java JDK and Java JRE. 224 STRIP_POLICY ?= min_strip
221 # 225
222 # Currently, STRIP_POLICY is only used when Full Debug Symbols is enabled. 226 _JUNK_ := $(shell \
223 # 227 echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)")
224 STRIP_POLICY ?= min_strip 228
225 229 ZIP_DEBUGINFO_FILES ?= 1
226 _JUNK_ := $(shell \ 230
227 echo >&2 "INFO: STRIP_POLICY=$(STRIP_POLICY)") 231 _JUNK_ := $(shell \
228 232 echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)")
229 ZIP_DEBUGINFO_FILES ?= 1 233 endif
230 234 endif # ENABLE_FULL_DEBUG_SYMBOLS=1
231 _JUNK_ := $(shell \ 235 endif # BUILD_FLAVOR
232 echo >&2 "INFO: ZIP_DEBUGINFO_FILES=$(ZIP_DEBUGINFO_FILES)") 236 endif # JDK_6_OR_EARLIER
233 endif
234 endif
235 237
236 JDK_INCLUDE_SUBDIR=linux 238 JDK_INCLUDE_SUBDIR=linux
237 239
238 # Library suffix 240 # Library suffix
239 LIBRARY_SUFFIX=so 241 LIBRARY_SUFFIX=so