1 #
   2 # Copyright (c) 1995, 2008, 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 $(FILES_cpp))))
  60 
  61 ifeq ($(INCREMENTAL_BUILD),true)
  62 FILES_d   = $(patsubst %.c,   %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))
  63 FILES_d  += $(patsubst %.cpp, %.$(DEPEND_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_cpp))))
  64 endif # INCREMENTAL_BUILD
  65 
  66 ifeq ($(PLATFORM),solaris)
  67 # List of all lint files, one for each .c file (only for C)
  68 FILES_ln   = $(patsubst %.c,   %.$(LINT_SUFFIX), $(addprefix $(OBJDIR)/, $(notdir $(FILES_c))))
  69 endif
  70 
  71 #
  72 # C++ libraries must be linked with CC.
  73 #
  74 ifdef CPLUSPLUSLIBRARY
  75 LINKER=$(LINK.cc)
  76 else
  77 LINKER=$(LINK.c)
  78 endif
  79 
  80 $(ACTUAL_LIBRARY):: $(INIT) $(TEMPDIR) $(LIBDIR) $(BINDIR) $(EXTDIR) classheaders
  81 
  82 #
  83 # COMPILE_APPROACH: Different approaches to compile up the native object
  84 #   files as quickly as possible.
  85 #   The setting of parallel works best on Unix, batch on Windows.
  86 #
  87 
  88 COMPILE_FILES_o = $(OBJDIR)/.files_compiled
  89 $(COMPILE_FILES_o): $(FILES_d) $(FILES_o)
  90         @$(ECHO) "$<" >> $@
  91 clean::
  92         $(RM) $(COMPILE_FILES_o)
  93 
  94 #
  95 # COMPILE_APPROACH=parallel: Will trigger compilations (just compilations) to
  96 #   happen in parallel. Greatly decreases Unix build time, even on single CPU
  97 #   machines, more so on multiple CPU machines. Default is 2 compiles
  98 #   at a time, but can be adjusted with ALT_PARALLEL_COMPILE_JOBS.
  99 #   Note that each .d file will also be dependent on it's .o file, see
 100 #   Rules.gmk.
 101 #   Note this does not depend on Rules.gmk to work like batch (below)
 102 #   and this technique doesn't seem to help Windows build time nor does
 103 #   it work very well, it's possible the Windows Visual Studio compilers
 104 #   don't work well in a parallel situation, this needs investigation.
 105 #
 106 
 107 ifeq ($(COMPILE_APPROACH),parallel)
 108 
 109 .PHONY: library_parallel_compile
 110 
 111 library_parallel_compile:
 112         @$(ECHO) "Begin parallel compiles: $(shell $(PWD))"
 113         @$(MAKE) -j $(PARALLEL_COMPILE_JOBS) $(COMPILE_FILES_o)
 114         @$(ECHO) "Done with parallel compiles: $(shell $(PWD))"
 115 
 116 $(ACTUAL_LIBRARY):: library_parallel_compile
 117 
 118 endif
 119 
 120 #
 121 # COMPILE_APPROACH=batch: Will trigger compilations (just compilations) to
 122 #   happen in batch mode. Greatly decreases Windows build time.
 123 #   See logic in Rules.gmk for how compiles happen, the $(MAKE) in
 124 #   library_batch_compile below triggers the actions in Rules.gmk.
 125 #   Note that each .d file will also be dependent on it's .o file, see
 126 #   Rules.gmk.
 127 #
 128 ifeq ($(COMPILE_APPROACH),batch)
 129 
 130 .PHONY: library_batch_compile
 131 
 132 library_batch_compile:
 133         @$(ECHO) "Begin BATCH compiles: $(shell $(PWD))"
 134         $(MAKE) $(COMPILE_FILES_o)
 135         $(MAKE) batch_compile
 136         @$(ECHO) "Done with BATCH compiles: $(shell $(PWD))"
 137         $(MAKE) COMPILE_APPROACH=normal $(COMPILE_FILES_o)
 138 
 139 $(ACTUAL_LIBRARY):: library_batch_compile
 140 
 141 endif
 142 
 143 ifeq ($(PLATFORM), windows)
 144 
 145 #
 146 # Library building rules.
 147 #
 148 
 149 $(LIBRARY).lib:: $(OBJDIR)
 150 
 151 ifeq ($(LIBRARY), fdlibm)
 152 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lib
 153 
 154 $(OBJDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lcf
 155         @$(prep-target)
 156         $(LIBEXE) -NODEFAULTLIB:MSVCRT -out:$@ -nologo \
 157                 @$(OBJDIR)/$(LIBRARY).lcf $(OTHER_LCF) $(LDLIBS_COMMON)
 158 else # LIBRARY
 159 # build it into $(OBJDIR) so that the other generated files get put 
 160 # there, then copy just the DLL (and MAP file) to the requested directory.
 161 #
 162 # In VS2005 or VS2008 the link command creates a .manifest file that we want
 163 # to insert into the linked artifact so we do not need to track it separately.
 164 # Use ";#2" for .dll and ";#1" for .exe in the MT command below:
 165 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lcf
 166         @$(prep-target)
 167         @$(MKDIR) -p $(OBJDIR)
 168         $(LINK) -dll -out:$(OBJDIR)/$(@F) \
 169           -map:$(OBJDIR)/$(LIBRARY).map \
 170           $(LFLAGS) @$(OBJDIR)/$(LIBRARY).lcf \
 171           $(OTHER_LCF) $(JAVALIB) $(LDLIBS)
 172 ifdef MT
 173         $(MT) /manifest $(OBJDIR)/$(@F).manifest /outputresource:$(OBJDIR)/$(@F);#2
 174 endif
 175         $(CP) $(OBJDIR)/$(@F) $@
 176         $(install-module-file)
 177         $(CP) $(OBJDIR)/$(LIBRARY).map $(@D)
 178         $(CP) $(OBJDIR)/$(LIBRARY).pdb $(@D)
 179 
 180 $(ACTUAL_LIBRARY):: $(ACTUAL_LIBRARY_DIR)/$(LIBRARY).map $(ACTUAL_LIBRARY_DIR)/$(LIBRARY).pdb
 181 
 182 $(ACTUAL_LIBRARY_DIR)/%.map: FORCE
 183         $(install-module-file)
 184 
 185 $(ACTUAL_LIBRARY_DIR)/%.pdb: FORCE
 186         $(install-module-file)
 187 
 188 endif # LIBRARY
 189 
 190 $(OBJDIR)/$(LIBRARY).lcf: $(OBJDIR)/$(LIBRARY).res $(COMPILE_FILES_o) $(FILES_m)
 191         @$(prep-target)
 192         @$(MKDIR) -p $(TEMPDIR)
 193         @$(ECHO) $(FILES_o) > $@ 
 194 ifndef LOCAL_RESOURCE_FILE
 195         @$(ECHO) $(OBJDIR)/$(LIBRARY).res >> $@
 196 endif
 197         @$(ECHO) Created $@ 
 198 
 199 # JDK name required here
 200 RC_FLAGS += /D "JDK_FNAME=$(LIBRARY).dll" \
 201             /D "JDK_INTERNAL_NAME=$(LIBRARY)" \
 202             /D "JDK_FTYPE=0x2L"
 203 
 204 $(OBJDIR)/$(LIBRARY).res: $(VERSIONINFO_RESOURCE)
 205 ifndef LOCAL_RESOURCE_FILE
 206         @$(prep-target)
 207         $(RC) $(RC_FLAGS) $(CC_OBJECT_OUTPUT_FLAG)$(@) $(VERSIONINFO_RESOURCE)
 208 endif
 209 
 210 #
 211 # Install a .lib file if required.
 212 #
 213 ifeq ($(INSTALL_DOT_LIB), true)
 214 $(ACTUAL_LIBRARY):: $(LIBDIR)/$(LIBRARY).lib
 215 
 216 clean:: 
 217         -$(RM) $(LIBDIR)/$(LIBRARY).lib
 218 
 219 $(LIBDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lib
 220         $(install-file)
 221 
 222 $(LIBDIR)/$(LIBRARY).dll:: $(OBJDIR)/$(LIBRARY).dll
 223         $(install-file)
 224 
 225 endif # INSTALL_DOT_LIB
 226 
 227 else # PLATFORM
 228 
 229 #
 230 # On Solaris, use mcs to write the version into the comment section of
 231 # the shared library.  On other platforms set this to false at the
 232 # make command line.
 233 #
 234 $(ACTUAL_LIBRARY):: $(COMPILE_FILES_o) $(FILES_m) $(FILES_reorder)
 235         @$(prep-target)
 236         @$(ECHO) "STATS: LIBRARY=$(LIBRARY), PRODUCT=$(PRODUCT), OPTIMIZATION_LEVEL=$(OPTIMIZATION_LEVEL)"
 237         @$(ECHO) "Rebuilding $@ because of $?"
 238 ifeq ($(LIBRARY), fdlibm)
 239         $(AR) -r $@ $(FILES_o)
 240 else # LIBRARY
 241         $(LINKER) $(SHARED_LIBRARY_FLAG) -o $@ $(FILES_o) $(LDLIBS)
 242         $(install-module-file)
 243 ifeq ($(WRITE_LIBVERSION),true)
 244         $(MCS) -d -a "$(FULL_VERSION)" $@
 245 endif # WRITE_LIBVERSION
 246 endif # LIBRARY
 247 
 248 endif # PLATFORM
 249 
 250 #
 251 # Cross check all linted files against each other
 252 #
 253 ifeq ($(PLATFORM),solaris)
 254 lint.errors : $(FILES_ln)
 255         $(LINT.c) $(FILES_ln) $(LDLIBS) 
 256 endif
 257 
 258 #
 259 # Class libraries with JNI native methods get a include to the package.
 260 #
 261 ifdef PACKAGE
 262 vpath %.c $(PLATFORM_SRC)/native/$(PKGDIR)
 263 vpath %.c $(SHARE_SRC)/native/$(PKGDIR)
 264 OTHER_INCLUDES += -I$(SHARE_SRC)/native/common -I$(PLATFORM_SRC)/native/common
 265 OTHER_INCLUDES += -I$(SHARE_SRC)/native/$(PKGDIR) \
 266                   -I$(PLATFORM_SRC)/native/$(PKGDIR)
 267 endif
 268 
 269 #
 270 # Clean/clobber rules
 271 #
 272 clean::
 273         $(RM) -r $(ACTUAL_LIBRARY)
 274 
 275 clobber:: clean
 276 
 277 #
 278 # INCREMENTAL_BUILD means that this workspace will be built over and over
 279 #   possibly incrementally. This means tracking the object file dependencies
 280 #   on include files so that sources get re-compiled when the include files
 281 #   change. When building from scratch and doing a one time build (like
 282 #   release engineering or nightly builds) set INCREMENTAL_BUILD=false.
 283 #
 284 
 285 ifeq ($(INCREMENTAL_BUILD),true)
 286 
 287 #
 288 # Workaround: gnumake sometimes says files is empty when it shouldn't
 289 #    was:  files := $(foreach file, $(wildcard $(OBJDIR)/*.$(DEPEND_SUFFIX)), $(file))
 290 #
 291 files := $(shell $(LS) $(OBJDIR)/*.$(DEPEND_SUFFIX) 2>/dev/null)
 292 
 293 #
 294 # Only include these files if we have any.
 295 #
 296 ifneq ($(strip $(files)),)
 297 
 298 include $(files)
 299 
 300 endif # files
 301 
 302 endif # INCREMENTAL_BUILD
 303 
 304 #
 305 # Default dependencies
 306 #
 307 
 308 all: build
 309 
 310 build: library
 311 
 312 debug:
 313         $(MAKE) VARIANT=DBG build
 314 
 315 fastdebug:
 316         $(MAKE) VARIANT=DBG FASTDEBUG=true build
 317 
 318 openjdk:
 319         $(MAKE) OPENJDK=true build
 320 
 321 FORCE:
 322 
 323 .PHONY: all build debug fastdebug
 324