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 $(JDK_TOPDIR)/makefiles/common/Classes.gmk
  35 
  36 #
  37 # It is important to define these *after* including Classes.gmk
  38 # in order to override the values defined inthat makefile.
  39 #
  40 
  41 ifeq ($(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 LINK.cc = $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) 
  80 LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) 
  81 
  82 #
  83 # C++ libraries must be linked with CC.
  84 #
  85 ifdef CPLUSPLUSLIBRARY
  86 LINKER=$(LINK.cc)
  87 else
  88 LINKER=$(LINK.c)
  89 endif
  90 
  91 $(ACTUAL_LIBRARY):: $(INIT) $(TEMPDIR) $(LIBDIR) $(BINDIR) $(EXTDIR) classheaders
  92         @$(ECHO) Building lib:$(ACTUAL_LIBRARY) 
  93 #
  94 # COMPILE_APPROACH: Different approaches to compile up the native object
  95 #   files as quickly as possible.
  96 #   The setting of parallel works best on Unix, batch on Windows.
  97 #
  98 
  99 COMPILE_FILES_o = $(OBJDIR)/.files_compiled
 100 $(COMPILE_FILES_o): $(FILES_d) $(FILES_o)
 101         @$(ECHO) "$<" >> $@
 102 clean::
 103         $(RM) $(COMPILE_FILES_o)
 104 
 105 #
 106 # COMPILE_APPROACH=parallel: Will trigger compilations (just compilations) to
 107 #   happen in parallel. Greatly decreases Unix build time, even on single CPU
 108 #   machines, more so on multiple CPU machines. Default is 2 compiles
 109 #   at a time, but can be adjusted with ALT_PARALLEL_COMPILE_JOBS.
 110 #   Note that each .d file will also be dependent on it's .o file, see
 111 #   Rules.gmk.
 112 #   Note this does not depend on Rules.gmk to work like batch (below)
 113 #   and this technique doesn't seem to help Windows build time nor does
 114 #   it work very well, it's possible the Windows Visual Studio compilers
 115 #   don't work well in a parallel situation, this needs investigation.
 116 #
 117 
 118 ifeq ($(COMPILE_APPROACH),parallel)
 119 
 120 .PHONY: library_parallel_compile
 121 
 122 library_parallel_compile:
 123         @$(ECHO) "Begin parallel compiles: $(shell $(PWD))"
 124         $(MAKE) -j $(PARALLEL_COMPILE_JOBS) $(COMPILE_FILES_o)
 125         @$(ECHO) "Done with parallel compiles: $(shell $(PWD))"
 126 
 127 $(ACTUAL_LIBRARY):: library_parallel_compile
 128 
 129 endif
 130 
 131 #
 132 # COMPILE_APPROACH=batch: Will trigger compilations (just compilations) to
 133 #   happen in batch mode. Greatly decreases Windows build time.
 134 #   See logic in Rules.gmk for how compiles happen, the $(MAKE) in
 135 #   library_batch_compile below triggers the actions in Rules.gmk.
 136 #   Note that each .d file will also be dependent on it's .o file, see
 137 #   Rules.gmk.
 138 #
 139 ifeq ($(COMPILE_APPROACH),batch)
 140 
 141 .PHONY: library_batch_compile
 142 
 143 library_batch_compile:
 144         @$(ECHO) "Begin BATCH compiles: $(shell $(PWD))"
 145         $(MAKE) $(COMPILE_FILES_o)
 146         $(MAKE) batch_compile
 147         @$(ECHO) "Done with BATCH compiles: $(shell $(PWD))"
 148         $(MAKE) COMPILE_APPROACH=normal $(COMPILE_FILES_o)
 149 
 150 $(ACTUAL_LIBRARY):: library_batch_compile
 151 
 152 endif
 153 
 154 ifeq ($(PLATFORM), windows)
 155 
 156 #
 157 # Library building rules.
 158 #
 159 
 160 $(LIBRARY).lib:: $(OBJDIR)
 161 
 162 ifeq ($(LIBRARY), fdlibm)
 163 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lib
 164 
 165 $(OBJDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lcf
 166         @$(prep-target)
 167         $(AR) -NODEFAULTLIB:MSVCRT -out:$@ -nologo \
 168                 @$(OBJDIR)/$(LIBRARY).lcf $(OTHER_LCF) $(LDLIBS_COMMON)
 169 else # LIBRARY
 170 # build it into $(OBJDIR) so that the other generated files get put 
 171 # there, then copy just the DLL (and MAP file) to the requested directory.
 172 #
 173 $(ACTUAL_LIBRARY):: $(OBJDIR)/$(LIBRARY).lcf
 174         @$(prep-target)
 175         @$(MKDIR) -p $(OBJDIR)
 176         $(LD) -dll -out:$(OBJDIR)/$(@F) \
 177           -map:$(OBJDIR)/$(LIBRARY).map \
 178           $(LFLAGS) @$(OBJDIR)/$(LIBRARY).lcf \
 179           $(OTHER_LCF) $(LDLIBS)
 180         $(CP) $(OBJDIR)/$(@F) $@
 181         @$(call binary_file_verification,$@)
 182         $(CP) $(OBJDIR)/$(LIBRARY).map $(@D)
 183         $(CP) $(OBJDIR)/$(LIBRARY).pdb $(@D)
 184 
 185 endif # LIBRARY
 186 
 187 $(OBJDIR)/$(LIBRARY).lcf: $(OBJDIR)/$(LIBRARY).res $(COMPILE_FILES_o) $(FILES_m)
 188         @$(prep-target)
 189         @$(MKDIR) -p $(TEMPDIR)
 190         @$(ECHO) $(FILES_o) > $@ 
 191 ifndef LOCAL_RESOURCE_FILE
 192         @$(ECHO) $(OBJDIR)/$(LIBRARY).res >> $@
 193 endif
 194         @$(ECHO) Created $@ 
 195 
 196 # JDK name required here
 197 RC_FLAGS += /D "JDK_FNAME=$(LIBRARY).dll" \
 198             /D "JDK_INTERNAL_NAME=$(LIBRARY)" \
 199             /D "JDK_FTYPE=0x2L"
 200 
 201 $(OBJDIR)/$(LIBRARY).res: $(VERSIONINFO_RESOURCE)
 202 ifndef LOCAL_RESOURCE_FILE
 203         @$(prep-target)
 204         $(RC) $(RC_FLAGS) $(CC_OBJECT_OUTPUT_FLAG)$(@) $(VERSIONINFO_RESOURCE)
 205 endif
 206 
 207 #
 208 # Install a .lib file if required.
 209 #
 210 ifeq ($(INSTALL_DOT_LIB), true)
 211 $(ACTUAL_LIBRARY):: $(LIBDIR)/$(LIBRARY).lib
 212 
 213 clean:: 
 214         -$(RM) $(LIBDIR)/$(LIBRARY).lib
 215 
 216 $(LIBDIR)/$(LIBRARY).lib:: $(OBJDIR)/$(LIBRARY).lib
 217         $(install-file)
 218 
 219 $(LIBDIR)/$(LIBRARY).dll:: $(OBJDIR)/$(LIBRARY).dll
 220         $(install-file)
 221 
 222 endif # INSTALL_DOT_LIB
 223 
 224 else # PLATFORM
 225 
 226 #
 227 # On Solaris, use mcs to write the version into the comment section of
 228 # the shared library.  On other platforms set this to false at the
 229 # make command line.
 230 #
 231 
 232 ifneq ($(PLATFORM), macosx)
 233   ARFLAGS = -r
 234 endif
 235 
 236 $(ACTUAL_LIBRARY):: $(COMPILE_FILES_o) $(FILES_m) $(FILES_reorder)
 237         @$(prep-target)
 238         @$(ECHO) "STATS: LIBRARY=$(LIBRARY), PRODUCT=$(PRODUCT), OPTIMIZATION_LEVEL=$(OPTIMIZATION_LEVEL)"
 239         @$(ECHO) "Rebuilding $@ because of $?"
 240 ifeq ($(LIBRARY), fdlibm)
 241         $(AR) $(ARFLAGS) $@ $(FILES_o)
 242 else # LIBRARY
 243         $(LINKER) $(SHARED_LIBRARY_FLAG) -o $@ $(FILES_o) $(LDLIBS)
 244         @$(call binary_file_verification,$@)
 245 ifeq ($(WRITE_LIBVERSION),true)
 246         $(MCS) -d -a "$(FULL_VERSION)" $@
 247 endif # WRITE_LIBVERSION
 248 endif # LIBRARY
 249 
 250 endif # PLATFORM
 251 
 252 #
 253 # Cross check all linted files against each other
 254 #
 255 ifeq ($(PLATFORM),solaris)
 256 lint.errors : $(FILES_ln)
 257         $(LINT.c) $(FILES_ln) $(LDLIBS) 
 258 endif
 259 
 260 #
 261 # Class libraries with JNI native methods get a include to the package.
 262 #
 263 ifdef PACKAGE
 264 vpath %.c $(PLATFORM_SRC)/native/$(PKGDIR)
 265 vpath %.c $(SHARE_SRC)/native/$(PKGDIR)
 266 OTHER_INCLUDES += -I$(SHARE_SRC)/native/common -I$(PLATFORM_SRC)/native/common
 267 OTHER_INCLUDES += -I$(SHARE_SRC)/native/$(PKGDIR) \
 268                   -I$(PLATFORM_SRC)/native/$(PKGDIR)
 269 endif
 270 
 271 #
 272 # Clean/clobber rules
 273 #
 274 clean::
 275         $(RM) -r $(ACTUAL_LIBRARY)
 276 
 277 clobber:: clean
 278 
 279 #
 280 # INCREMENTAL_BUILD means that this workspace will be built over and over
 281 #   possibly incrementally. This means tracking the object file dependencies
 282 #   on include files so that sources get re-compiled when the include files
 283 #   change. When building from scratch and doing a one time build (like
 284 #   release engineering or nightly builds) set INCREMENTAL_BUILD=false.
 285 #
 286 
 287 ifeq ($(INCREMENTAL_BUILD),true)
 288 
 289 #
 290 # Workaround: gnumake sometimes says files is empty when it shouldn't
 291 #    was:  files := $(foreach file, $(wildcard $(OBJDIR)/*.$(DEPEND_SUFFIX)), $(file))
 292 #
 293 files := $(shell $(LS) $(OBJDIR)/*.$(DEPEND_SUFFIX) 2>/dev/null)
 294 
 295 #
 296 # Only include these files if we have any.
 297 #
 298 ifneq ($(strip $(files)),)
 299 
 300 include $(files)
 301 
 302 endif # files
 303 
 304 endif # INCREMENTAL_BUILD
 305 
 306 #
 307 # Default dependencies
 308 #
 309 
 310 all: build
 311 
 312 build: library
 313 
 314 debug:
 315         $(MAKE) VARIANT=DBG build
 316 
 317 fastdebug:
 318         $(MAKE) VARIANT=DBG FASTDEBUG=true build
 319 
 320 openjdk:
 321         $(MAKE) OPENJDK=true build
 322 
 323 FORCE:
 324 
 325 .PHONY: all build debug fastdebug
 326