1 #
   2 # Copyright (c) 1995, 2011, 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 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lcf
 163         @$(prep-target)
 164         @$(MKDIR) -p $(OBJDIR)
 165         $(LINK) -dll -out:$(OBJDIR)/$(@F) \
 166           -map:$(OBJDIR)/$(LIBRARY).map \
 167           $(LFLAGS) @$(OBJDIR)/$(LIBRARY).lcf \
 168           $(OTHER_LCF) $(JAVALIB) $(LDLIBS)
 169         $(CP) $(OBJDIR)/$(@F) $@
 170         @$(call binary_file_verification,$@)
 171         $(CP) $(OBJDIR)/$(LIBRARY).map $(@D)
 172         $(CP) $(OBJDIR)/$(LIBRARY).pdb $(@D)
 173 
 174 endif # LIBRARY
 175 
 176 $(OBJDIR)/$(LIBRARY).lcf: $(OBJDIR)/$(LIBRARY).res $(COMPILE_FILES_o) $(FILES_m)
 177         @$(prep-target)
 178         @$(MKDIR) -p $(TEMPDIR)
 179         @$(ECHO) $(FILES_o) > $@ 
 180 ifndef LOCAL_RESOURCE_FILE
 181         @$(ECHO) $(OBJDIR)/$(LIBRARY).res >> $@
 182 endif
 183         @$(ECHO) Created $@ 
 184 
 185 # JDK name required here
 186 RC_FLAGS += /D "JDK_FNAME=$(LIBRARY).dll" \
 187             /D "JDK_INTERNAL_NAME=$(LIBRARY)" \
 188             /D "JDK_FTYPE=0x2L"
 189 
 190 $(OBJDIR)/$(LIBRARY).res: $(VERSIONINFO_RESOURCE)
 191 ifndef LOCAL_RESOURCE_FILE
 192         @$(prep-target)
 193         $(RC) $(RC_FLAGS) $(CC_OBJECT_OUTPUT_FLAG)$(@) $(VERSIONINFO_RESOURCE)
 194 endif
 195 
 196 #
 197 # Install a .lib file if required.
 198 #
 199 ifeq ($(INSTALL_DOT_LIB), true)
 200 $(ACTUAL_LIBRARY):: $(LIBDIR)/$(LIBRARY).lib
 201 
 202 clean:: 
 203         -$(RM) $(LIBDIR)/$(LIBRARY).lib
 204 
 205 $(LIBDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lib
 206         $(install-file)
 207 
 208 $(LIBDIR)/$(LIBRARY).dll:: $(OBJDIR)/$(LIBRARY).dll
 209         $(install-file)
 210 
 211 endif # INSTALL_DOT_LIB
 212 
 213 else # PLATFORM
 214 
 215 #
 216 # On Solaris, use mcs to write the version into the comment section of
 217 # the shared library.  On other platforms set this to false at the
 218 # make command line.
 219 #
 220 $(ACTUAL_LIBRARY):: $(COMPILE_FILES_o) $(FILES_m) $(FILES_reorder)
 221         @$(prep-target)
 222         @$(ECHO) "STATS: LIBRARY=$(LIBRARY), PRODUCT=$(PRODUCT), OPTIMIZATION_LEVEL=$(OPTIMIZATION_LEVEL)"
 223         @$(ECHO) "Rebuilding $@ because of $?"
 224 ifeq ($(LIBRARY), fdlibm)
 225         $(AR) -r $@ $(FILES_o)
 226 else # LIBRARY
 227         $(LINKER) $(SHARED_LIBRARY_FLAG) -o $@ $(FILES_o) $(LDLIBS)
 228         @$(call binary_file_verification,$@)
 229 ifeq ($(WRITE_LIBVERSION),true)
 230         $(MCS) -d -a "$(FULL_VERSION)" $@
 231 endif # WRITE_LIBVERSION
 232 endif # LIBRARY
 233 
 234 endif # PLATFORM
 235 
 236 #
 237 # Cross check all linted files against each other
 238 #
 239 ifeq ($(PLATFORM),solaris)
 240 lint.errors : $(FILES_ln)
 241         $(LINT.c) $(FILES_ln) $(LDLIBS) 
 242 endif
 243 
 244 #
 245 # Class libraries with JNI native methods get a include to the package.
 246 #
 247 ifdef PACKAGE
 248 vpath %.c $(PLATFORM_SRC)/native/$(PKGDIR)
 249 vpath %.c $(SHARE_SRC)/native/$(PKGDIR)
 250 OTHER_INCLUDES += -I$(SHARE_SRC)/native/common -I$(PLATFORM_SRC)/native/common
 251 OTHER_INCLUDES += -I$(SHARE_SRC)/native/$(PKGDIR) \
 252                   -I$(PLATFORM_SRC)/native/$(PKGDIR)
 253 endif
 254 
 255 #
 256 # Clean/clobber rules
 257 #
 258 clean::
 259         $(RM) -r $(ACTUAL_LIBRARY)
 260 
 261 clobber:: clean
 262 
 263 #
 264 # INCREMENTAL_BUILD means that this workspace will be built over and over
 265 #   possibly incrementally. This means tracking the object file dependencies
 266 #   on include files so that sources get re-compiled when the include files
 267 #   change. When building from scratch and doing a one time build (like
 268 #   release engineering or nightly builds) set INCREMENTAL_BUILD=false.
 269 #
 270 
 271 ifeq ($(INCREMENTAL_BUILD),true)
 272 
 273 #
 274 # Workaround: gnumake sometimes says files is empty when it shouldn't
 275 #    was:  files := $(foreach file, $(wildcard $(OBJDIR)/*.$(DEPEND_SUFFIX)), $(file))
 276 #
 277 files := $(shell $(LS) $(OBJDIR)/*.$(DEPEND_SUFFIX) 2>/dev/null)
 278 
 279 #
 280 # Only include these files if we have any.
 281 #
 282 ifneq ($(strip $(files)),)
 283 
 284 include $(files)
 285 
 286 endif # files
 287 
 288 endif # INCREMENTAL_BUILD
 289 
 290 #
 291 # Default dependencies
 292 #
 293 
 294 all: build
 295 
 296 build: library
 297 
 298 debug:
 299         $(MAKE) VARIANT=DBG build
 300 
 301 fastdebug:
 302         $(MAKE) VARIANT=DBG FASTDEBUG=true build
 303 
 304 openjdk:
 305         $(MAKE) OPENJDK=true build
 306 
 307 FORCE:
 308 
 309 .PHONY: all build debug fastdebug
 310