1 #
   2 # Copyright (c) 1995, 2012, Oracle and/or its affiliates. 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.  Oracle designates this
   8 # particular file as subject to the "Classpath" exception as provided
   9 # by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 #
  27 # Generic makefile for building shared libraries.
  28 #
  29 
  30 # WARNING: This file is shared with other workspaces.
  31 #          So when it includes other files, it must use JDK_TOPDIR.
  32 #
  33 
  34 include $(JDK_TOPDIR)/make/common/Classes.gmk
  35 
  36 #
  37 # It is important to define these *after* including Classes.gmk
  38 # in order to override the values defined inthat makefile.
  39 #
  40 
  41 ifeq ($(LIBRARY), fdlibm)
  42 ifeq ($(PLATFORM),windows)
  43 ACTUAL_LIBRARY_NAME = $(LIB_PREFIX)$(LIBRARY).$(FDDLIBM_SUFFIX)
  44 ACTUAL_LIBRARY_DIR = $(OBJDIR)
  45 else # PLATFORM
  46 ACTUAL_LIBRARY_NAME = $(LIB_PREFIX)$(LIBRARY).$(ARCH).$(FDDLIBM_SUFFIX)
  47 ACTUAL_LIBRARY_DIR = $(OBJDIR)
  48 endif #PLATFORM
  49 else # LIBRARY
  50 ACTUAL_LIBRARY_NAME = $(LIB_PREFIX)$(LIBRARY).$(LIBRARY_SUFFIX)
  51 ACTUAL_LIBRARY_DIR = $(LIB_LOCATION)
  52 endif
  53 ACTUAL_LIBRARY = $(ACTUAL_LIBRARY_DIR)/$(ACTUAL_LIBRARY_NAME)
  54 
  55 library:: $(ACTUAL_LIBRARY)
  56 
  57 FILES_o   = $(patsubst %.c,   %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))
  58 FILES_o  += $(patsubst %.s,   %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_s))))
  59 FILES_o  += $(patsubst %.cpp, %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_cpp))))
  60 
  61 ifeq ($(PLATFORM), macosx)
  62 FILES_o  += $(patsubst %.m,   %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_objc))))
  63 FILES_o  += $(patsubst %.mm,  %.$(OBJECT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_objcpp))))
  64 
  65 INCREMENTAL_BUILD=false
  66 
  67 endif # PLATFORM
  68 
  69 ifeq ($(INCREMENTAL_BUILD),true)
  70 FILES_d   = $(patsubst %.c,   %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))
  71 FILES_d  += $(patsubst %.cpp, %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_cpp))))
  72 endif # INCREMENTAL_BUILD
  73 
  74 ifeq ($(PLATFORM),solaris)
  75 # List of all lint files, one for each .c file (only for C)
  76 FILES_ln   = $(patsubst %.c,   %.$(LINT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))
  77 endif
  78 
  79 #
  80 # C++ libraries must be linked with CC.
  81 #
  82 ifdef CPLUSPLUSLIBRARY
  83 LINKER=$(LINK.cc)
  84 else
  85 LINKER=$(LINK.c)
  86 endif
  87 
  88 $(ACTUAL_LIBRARY):: $(INIT) $(TEMPDIR) $(LIBDIR) $(BINDIR) $(EXTDIR) classheaders
  89         @$(ECHO) Building lib:$(ACTUAL_LIBRARY) 
  90 #
  91 # COMPILE_APPROACH: Different approaches to compile up the native object
  92 #   files as quickly as possible.
  93 #   The setting of parallel works best on Unix, batch on Windows.
  94 #
  95 
  96 COMPILE_FILES_o = $(OBJDIR)/.files_compiled
  97 $(COMPILE_FILES_o): $(FILES_d) $(FILES_o)
  98         @$(ECHO) "$<" >> $@
  99 clean::
 100         $(RM) $(COMPILE_FILES_o)
 101 
 102 #
 103 # COMPILE_APPROACH=parallel: Will trigger compilations (just compilations) to
 104 #   happen in parallel. Greatly decreases Unix build time, even on single CPU
 105 #   machines, more so on multiple CPU machines. Default is 2 compiles
 106 #   at a time, but can be adjusted with ALT_PARALLEL_COMPILE_JOBS.
 107 #   Note that each .d file will also be dependent on it's .o file, see
 108 #   Rules.gmk.
 109 #   Note this does not depend on Rules.gmk to work like batch (below)
 110 #   and this technique doesn't seem to help Windows build time nor does
 111 #   it work very well, it's possible the Windows Visual Studio compilers
 112 #   don't work well in a parallel situation, this needs investigation.
 113 #
 114 
 115 ifeq ($(COMPILE_APPROACH),parallel)
 116 
 117 .PHONY: library_parallel_compile
 118 
 119 library_parallel_compile:
 120         @$(ECHO) "Begin parallel compiles: $(shell $(PWD))"
 121         @$(MAKE) -j $(PARALLEL_COMPILE_JOBS) $(COMPILE_FILES_o)
 122         @$(ECHO) "Done with parallel compiles: $(shell $(PWD))"
 123 
 124 $(ACTUAL_LIBRARY):: library_parallel_compile
 125 
 126 endif
 127 
 128 #
 129 # COMPILE_APPROACH=batch: Will trigger compilations (just compilations) to
 130 #   happen in batch mode. Greatly decreases Windows build time.
 131 #   See logic in Rules.gmk for how compiles happen, the $(MAKE) in
 132 #   library_batch_compile below triggers the actions in Rules.gmk.
 133 #   Note that each .d file will also be dependent on it's .o file, see
 134 #   Rules.gmk.
 135 #
 136 ifeq ($(COMPILE_APPROACH),batch)
 137 
 138 .PHONY: library_batch_compile
 139 
 140 library_batch_compile:
 141         @$(ECHO) "Begin BATCH compiles: $(shell $(PWD))"
 142         $(MAKE) $(COMPILE_FILES_o)
 143         $(MAKE) batch_compile
 144         @$(ECHO) "Done with BATCH compiles: $(shell $(PWD))"
 145         $(MAKE) COMPILE_APPROACH=normal $(COMPILE_FILES_o)
 146 
 147 $(ACTUAL_LIBRARY):: library_batch_compile
 148 
 149 endif
 150 
 151 ifeq ($(PLATFORM), windows)
 152 
 153 #
 154 # Library building rules.
 155 #
 156 
 157 $(LIBRARY).lib:: $(OBJDIR)
 158 
 159 ifeq ($(LIBRARY), fdlibm)
 160 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lib
 161 
 162 $(OBJDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lcf
 163         @$(prep-target)
 164         $(LIBEXE) -NODEFAULTLIB:MSVCRT -out:$@ -nologo \
 165                 @$(OBJDIR)/$(LIBRARY).lcf $(OTHER_LCF) $(LDLIBS_COMMON)
 166 else # LIBRARY
 167 # build it into $(OBJDIR) so that the other generated files get put 
 168 # there, then copy just the DLL (and MAP file) to the requested directory.
 169 #
 170 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 171   MAP_OPTION="-map:$(OBJDIR)/$(LIBRARY).map"
 172 endif
 173 
 174 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lcf
 175         @$(prep-target)
 176         @$(MKDIR) -p $(OBJDIR)
 177         $(LINK) -dll -out:$(OBJDIR)/$(@F) \
 178           $(MAP_OPTION) \
 179           $(LFLAGS) @$(OBJDIR)/$(LIBRARY).lcf \
 180           $(OTHER_LCF) $(LDLIBS)
 181         $(CP) $(OBJDIR)/$(@F) $@
 182         @$(call binary_file_verification,$@)
 183 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 184   ifeq ($(ZIP_DEBUGINFO_FILES),1)
 185         (set -e ; \
 186          $(CD) $(OBJDIR) ; \
 187          $(ZIPEXE) -q $(LIBRARY).diz $(LIBRARY).map $(LIBRARY).pdb ; \
 188         )
 189         $(CP) $(OBJDIR)/$(LIBRARY).diz $(@D)
 190         $(RM) $(OBJDIR)/$(LIBRARY).map $(OBJDIR)/$(LIBRARY).pdb
 191   else
 192         $(CP) $(OBJDIR)/$(LIBRARY).map $(@D)
 193         $(CP) $(OBJDIR)/$(LIBRARY).pdb $(@D)
 194   endif
 195 endif
 196 
 197 endif # LIBRARY
 198 
 199 $(OBJDIR)/$(LIBRARY).lcf: $(OBJDIR)/$(LIBRARY).res $(COMPILE_FILES_o) $(FILES_m)
 200         @$(prep-target)
 201         @$(MKDIR) -p $(TEMPDIR)
 202         @$(ECHO) $(FILES_o) > $@ 
 203 ifndef LOCAL_RESOURCE_FILE
 204         @$(ECHO) $(OBJDIR)/$(LIBRARY).res >> $@
 205 endif
 206         @$(ECHO) Created $@ 
 207 
 208 # JDK name required here
 209 RC_FLAGS += /D "JDK_FNAME=$(LIBRARY).dll" \
 210             /D "JDK_INTERNAL_NAME=$(LIBRARY)" \
 211             /D "JDK_FTYPE=0x2L"
 212 
 213 $(OBJDIR)/$(LIBRARY).res: $(VERSIONINFO_RESOURCE)
 214 ifndef LOCAL_RESOURCE_FILE
 215         @$(prep-target)
 216         $(RC) $(RC_FLAGS) $(CC_OBJECT_OUTPUT_FLAG)$(@) $(VERSIONINFO_RESOURCE)
 217 endif
 218 
 219 #
 220 # Install a .lib file if required.
 221 #
 222 ifeq ($(INSTALL_DOT_LIB), true)
 223 $(ACTUAL_LIBRARY):: $(LIBDIR)/$(LIBRARY).lib
 224 
 225 clean:: 
 226         -$(RM) $(LIBDIR)/$(LIBRARY).lib
 227 
 228 $(LIBDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lib
 229         $(install-file)
 230 
 231 $(LIBDIR)/$(LIBRARY).dll:: $(OBJDIR)/$(LIBRARY).dll
 232         $(install-file)
 233 
 234 endif # INSTALL_DOT_LIB
 235 
 236 else # PLATFORM
 237 
 238 #
 239 # On Solaris, use mcs to write the version into the comment section of
 240 # the shared library.  On other platforms set this to false at the
 241 # make command line.
 242 #
 243 
 244 ifneq ($(PLATFORM), macosx)
 245   ARFLAGS = -r
 246 endif
 247 
 248 ifeq ($(PLATFORM), solaris)
 249   ifeq ($(LIBRARY_SUPPORTS_FULL_DEBUG_SYMBOLS),1)
 250 $(ACTUAL_LIBRARY):: $(ADD_GNU_DEBUGLINK) $(FIX_EMPTY_SEC_HDR_FLAGS)
 251   endif
 252 endif
 253 
 254 $(ACTUAL_LIBRARY):: $(COMPILE_FILES_o) $(FILES_m) $(FILES_reorder)
 255         @$(prep-target)
 256         @$(ECHO) "STATS: LIBRARY=$(LIBRARY), PRODUCT=$(PRODUCT), OPTIMIZATION_LEVEL=$(OPTIMIZATION_LEVEL)"
 257         @$(ECHO) "Rebuilding $@ because of $?"
 258 ifeq ($(LIBRARY), fdlibm)
 259         $(AR) $(ARFLAGS) $@ $(FILES_o)
 260 else # LIBRARY
 261         $(LINKER) $(SHARED_LIBRARY_FLAG) -o $@ $(FILES_o) $(LDLIBS)
 262         @$(call binary_file_verification,$@)
 263 ifeq ($(WRITE_LIBVERSION),true)
 264         $(MCS) -d -a "$(FULL_VERSION)" $@
 265 endif # WRITE_LIBVERSION
 266   ifneq ($(PLATFORM), macosx)
 267     ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
 268       ifeq ($(LIBRARY_SUPPORTS_FULL_DEBUG_SYMBOLS),1)
 269         ifeq ($(PLATFORM), solaris)
 270 # gobjcopy crashes on "empty" section headers with the SHF_ALLOC flag set.
 271 # Use $(FIX_EMPTY_SEC_HDR_FLAGS) to clear the SHF_ALLOC flag (if set) from
 272 # empty section headers until a fixed $(OBJCOPY) is available.
 273 # An empty section header has sh_addr == 0 and sh_size == 0.
 274 # This problem has only been seen on Solaris X64, but we call this tool
 275 # on all Solaris builds just in case.
 276 #
 277 # $(OBJCOPY) --add-gnu-debuglink=... corrupts SUNW_* sections.
 278 # Use $(ADD_GNU_DEBUGLINK) until a fixed $(OBJCOPY) is available.
 279         (set -e ; \
 280          $(CD) $(@D) ; \
 281          $(FIX_EMPTY_SEC_HDR_FLAGS) $(@F) ; \
 282          $(OBJCOPY) --only-keep-debug $(@F) $(LIB_PREFIX)$(LIBRARY).debuginfo ; \
 283          $(ADD_GNU_DEBUGLINK) $(LIB_PREFIX)$(LIBRARY).debuginfo $(@F) ; \
 284         )
 285         else # PLATFORM != solaris
 286         (set -e ; \
 287          $(CD) $(@D) ; \
 288          $(OBJCOPY) --only-keep-debug $(@F) $(LIB_PREFIX)$(LIBRARY).debuginfo ; \
 289          $(OBJCOPY) --add-gnu-debuglink=$(LIB_PREFIX)$(LIBRARY).debuginfo $(@F) ; \
 290         )
 291         endif # PLATFORM == solaris
 292         ifeq ($(STRIP_POLICY),all_strip)
 293           $(STRIP) $@
 294         else
 295           ifeq ($(STRIP_POLICY),min_strip)
 296             ifeq ($(PLATFORM), solaris)
 297               $(STRIP) -x $@
 298             else
 299               # assume Linux
 300               $(STRIP) -g $@
 301             endif
 302           # implied else here is no stripping at all
 303           endif
 304         endif
 305         ifeq ($(ZIP_DEBUGINFO_FILES),1)
 306           (set -e ; \
 307            $(CD) $(@D) ; \
 308            $(ZIPEXE) -q $(LIB_PREFIX)$(LIBRARY).diz $(LIB_PREFIX)$(LIBRARY).debuginfo ; \
 309            $(RM) $(LIB_PREFIX)$(LIBRARY).debuginfo ; \
 310           )
 311         endif
 312       endif # LIBRARY_SUPPORTS_FULL_DEBUG_SYMBOLS
 313     endif # ENABLE_FULL_DEBUG_SYMBOLS
 314   endif # PLATFORM-!macosx
 315 endif # LIBRARY
 316 
 317 endif # PLATFORM
 318 
 319 #
 320 # Cross check all linted files against each other
 321 #
 322 ifeq ($(PLATFORM),solaris)
 323 lint.errors : $(FILES_ln)
 324         $(LINT.c) $(FILES_ln) $(LDLIBS) 
 325 endif
 326 
 327 #
 328 # Class libraries with JNI native methods get a include to the package.
 329 #
 330 ifdef PACKAGE
 331 vpath %.c $(PLATFORM_SRC)/native/$(PKGDIR)
 332 vpath %.c $(SHARE_SRC)/native/$(PKGDIR)
 333 OTHER_INCLUDES += -I$(SHARE_SRC)/native/common -I$(PLATFORM_SRC)/native/common
 334 OTHER_INCLUDES += -I$(SHARE_SRC)/native/$(PKGDIR) \
 335                   -I$(PLATFORM_SRC)/native/$(PKGDIR)
 336 endif
 337 
 338 #
 339 # Clean/clobber rules
 340 #
 341 clean::
 342         $(RM) -r $(ACTUAL_LIBRARY)
 343 
 344 clobber:: clean
 345 
 346 #
 347 # INCREMENTAL_BUILD means that this workspace will be built over and over
 348 #   possibly incrementally. This means tracking the object file dependencies
 349 #   on include files so that sources get re-compiled when the include files
 350 #   change. When building from scratch and doing a one time build (like
 351 #   release engineering or nightly builds) set INCREMENTAL_BUILD=false.
 352 #
 353 
 354 ifeq ($(INCREMENTAL_BUILD),true)
 355 
 356 #
 357 # Workaround: gnumake sometimes says files is empty when it shouldn't
 358 #    was:  files := $(foreach file, $(wildcard $(OBJDIR)/*.$(DEPEND_SUFFIX)), $(file))
 359 #
 360 files := $(shell $(LS) $(OBJDIR)/*.$(DEPEND_SUFFIX) 2>/dev/null)
 361 
 362 #
 363 # Only include these files if we have any.
 364 #
 365 ifneq ($(strip $(files)),)
 366 
 367 include $(files)
 368 
 369 endif # files
 370 
 371 endif # INCREMENTAL_BUILD
 372 
 373 #
 374 # Default dependencies
 375 #
 376 
 377 all: build
 378 
 379 build: library
 380 
 381 debug:
 382         $(MAKE) VARIANT=DBG build
 383 
 384 fastdebug:
 385         $(MAKE) VARIANT=DBG FASTDEBUG=true build
 386 
 387 openjdk:
 388         $(MAKE) OPENJDK=true build
 389 
 390 FORCE:
 391 
 392 .PHONY: all build debug fastdebug
 393