1 # 2 # Makefile to run jtreg and other tests 3 # 4 5 # Product builds and langtools builds 6 # 7 # A full product build (or "control" build) creates a complete JDK image. 8 # To test a product build, set TESTJAVA to the path for the image. 9 # 10 # A langtools build just builds the langtools components of a JDK. 11 # To test a langtools build, set TESTJAVA to the path for a recent JDK 12 # build, and set TESTBOOTCLASSPATH to the compiled langtools classes -- 13 # for example build/classes or dist/lib/classes.jar. 14 15 # JPRT 16 # JPRT may invoke this Makefile directly, as part of a langtools build, 17 # or indirectly, via FOREST/test/Makefile, as part of a control build. 18 19 # Get OS/ARCH specifics 20 OSNAME = $(shell uname -s) 21 ifeq ($(OSNAME), SunOS) 22 SLASH_JAVA = /java 23 PLATFORM = solaris 24 ARCH = $(shell uname -p) 25 ifeq ($(ARCH), i386) 26 ARCH=i586 27 endif 28 endif 29 ifeq ($(OSNAME), Linux) 30 SLASH_JAVA = /java 31 PLATFORM = linux 32 ARCH = $(shell uname -m) 33 ifeq ($(ARCH), i386) 34 ARCH=i586 35 endif 36 endif 37 ifeq ($(OSNAME), Darwin) 38 PLATFORM = bsd 39 ARCH = $(shell uname -m) 40 ifeq ($(ARCH), i386) 41 ARCH=i586 42 endif 43 endif 44 ifeq ($(OSNAME), Windows_NT) 45 # MKS 46 PLATFORM=windows 47 endif 48 ifeq ($(PLATFORM),) 49 PLATFORM = windows 50 CYGPATH = | cygpath -m -s -f - 51 endif 52 53 ifeq ($(PLATFORM), windows) 54 SLASH_JAVA = J: 55 ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),ia64) 56 ARCH=ia64 57 else 58 ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),AMD64) 59 ARCH=x64 60 else 61 ifeq ($(word 1, $(PROCESSOR_IDENTIFIER)),EM64T) 62 ARCH=x64 63 else 64 ARCH=i586 65 endif 66 endif 67 endif 68 EXE_SUFFIX=.exe 69 endif 70 71 # Root of this test area (important to use full paths in some places) 72 TEST_ROOT := $(shell pwd $(CYGPATH) ) 73 74 # Default bundle of all test results (passed or not) (JPRT only) 75 ifdef JPRT_JOB_ID 76 JPRT_CLEAN = clean 77 JPRT_ARCHIVE_BUNDLE = $(TEST_ROOT)/JPRT_ARCHIVE_BUNDLE.zip 78 endif 79 80 ifeq ($(PLATFORM), windows) 81 SLASH_JAVA = J: 82 else 83 SLASH_JAVA = /java 84 endif 85 86 # Default JTREG to run 87 ifndef JTREG_HOME 88 ifdef JPRT_JTREG_HOME 89 JTREG_HOME = $(JPRT_JTREG_HOME) 90 else ifdef JT_HOME 91 JTREG_HOME = $(JT_HOME) 92 else 93 JTREG_HOME = $(SLASH_JAVA)/re/jtreg/4.2/promoted/latest/ 94 endif 95 endif 96 JTREG = $(JTREG_HOME)/bin/jtreg 97 JTDIFF = $(JTREG_HOME)/bin/jtdiff 98 99 # Problematic tests to be excluded 100 PROBLEM_LISTS=ProblemList.txt 101 102 # Create exclude list for this platform and arch 103 ifdef NO_EXCLUDES 104 JTREG_EXCLUSIONS = 105 else 106 JTREG_EXCLUSIONS = $(PROBLEM_LISTS:%=-exclude:%) 107 endif 108 109 # Default JCK to run 110 ifndef JCK_HOME 111 ifdef JPRT_JCK_HOME 112 JCK_HOME = $(JPRT_JCK_HOME) 113 else 114 JCK_HOME = $(SLASH_JAVA)/re/jck/8/promoted/latest/binaries 115 endif 116 endif 117 118 # Default JDK for JTREG and JCK 119 # 120 # JT_JAVA is the version of java used to run jtreg/JCK. 121 # 122 ifndef JT_JAVA 123 ifdef JPRT_JAVA_HOME 124 JT_JAVA = $(JPRT_JAVA_HOME) 125 else 126 JT_JAVA = $(SLASH_JAVA)/re/jdk/1.9.0/archive/fcs/binaries/$(PLATFORM)-$(ARCH) 127 endif 128 endif 129 130 # Default JDK to test 131 ifdef JPRT_IMPORT_PRODUCT_HOME 132 TESTJAVA = $(JPRT_IMPORT_PRODUCT_HOME) 133 else 134 TESTJAVA = $(SLASH_JAVA)/re/jdk/1.9.0/promoted/latest/binaries/$(PLATFORM)-$(ARCH) 135 endif 136 137 # PRODUCT_HOME is a JPRT variable pointing to a directory containing the output from 138 # make/Makefile 139 # For langtools, this is a directory containing build and dist 140 # For a control build, this is build/$(PRODUCT)-$(ARCH)/XYZ-image 141 # (i.e, j2sdk-image or jdk-module-image) 142 ifdef PRODUCT_HOME 143 ifeq ($(shell [ -r $(PRODUCT_HOME)/dist/lib/classes.jar ]; echo $$?),0) 144 TESTBOOTCLASSPATH = $(PRODUCT_HOME)/dist/lib/classes.jar 145 endif 146 ifeq ($(shell [ -r $(PRODUCT_HOME)/bin/javac$(EXE_SUFFIX) ]; echo $$?),0) 147 TESTJAVA = $(PRODUCT_HOME) 148 endif 149 endif 150 151 ifdef TESTBOOTCLASSPATH 152 JTREG_OPTIONS += -Xbootclasspath/p:$(TESTBOOTCLASSPATH) 153 ### In the following, -refvmoptions is an undocumented option 154 ### The following does not work JCK 7 b30 2/6/2010. Awaiting b31. 155 JCK_OPTIONS += \ 156 -vmoptions:-Xbootclasspath/p:$(TESTBOOTCLASSPATH) \ 157 -refvmoptions:-Xbootclasspath/p:$(TESTBOOTCLASSPATH) 158 endif 159 160 # Set the max memory for jtreg target test JVMs 161 JTREG_TESTVM_MEMORY_OPTION = -vmoption:-Xmx768m 162 JTREG_OPTIONS += $(JTREG_TESTVM_MEMORY_OPTION) 163 164 # Retain all files for failing tests 165 JTREG_OPTIONS += -retain:fail,error 166 167 ifdef EXTRA_JTREG_OPTIONS 168 JTREG_OPTIONS += $(EXTRA_JTREG_OPTIONS) 169 endif 170 171 # Concurrency is the number of tests that can execute at once. 172 # On an otherwise empty machine, suggest setting to (#cpus + 2) 173 # If unset, the default is (#cpus) 174 ### RFE: determine and use #cpus 175 ifdef CONCURRENCY 176 JTREG_OPTIONS += -agentvm -concurrency:$(CONCURRENCY) 177 else 178 JTREG_OPTIONS += -agentvm 179 endif 180 181 ifdef JCK_CONCURRENCY 182 JCK_OPTIONS += -concurrency:$(JCK_CONCURRENCY) 183 endif 184 185 # JCK is executed using "Multi-JVM Group Mode", which is a hybrid 186 # of otherVM and sameVM modes. New JVMs are created and reused for 187 # a number of tests, then eventually discarded and a new one started. 188 # This amortizes the JVM startup time. The "group size" defines 189 # how many tests are run in a JVM before it is replaced. 190 # If unset, the default is 100. 191 JCK_GROUP_SIZE = 1000 192 ifdef JCK_GROUP_SIZE 193 JCK_COMPILER_OPTIONS += \ 194 -jtoptions:-Ejck.env.compiler.testCompile.groupMode.groupSize=$(JCK_GROUP_SIZE) \ 195 -jtoptions:-Ejck.env.compiler.compRefExecute.groupMode.groupSize=$(JCK_GROUP_SIZE) 196 ### The following is not supported. Awaiting RFE 6924287 197 ### 6924287: Jck4Jdk: Allow to configure test group size for group mode via simple command line option 198 ### JCK_RUNTIME_OPTIONS += \ 199 ### -jtoptions:-Ejck.env.runtime.testCompile.groupMode.groupSize=$(JCK_GROUP_SIZE) 200 endif 201 202 # Timeouts -- by default, increase test timeouts when running on JPRT 203 ifdef JPRT_JOB_ID 204 ifndef JTREG_TIMEOUT_FACTOR 205 JTREG_TIMEOUT_FACTOR = 3 206 endif 207 endif 208 ifdef JTREG_TIMEOUT_FACTOR 209 JTREG_OPTIONS += -timeoutFactor:$(JTREG_TIMEOUT_FACTOR) 210 endif 211 212 ifdef JCK_TIMEOUT_FACTOR 213 JCK_OPTIONS += -timeout:$(JCK_TIMEOUT_FACTOR) 214 endif 215 216 # Default verbosity setting for jtreg 217 JTREG_VERBOSE ?= fail,error,time 218 219 # Default verbosity setting for jck 220 JCK_VERBOSE ?= non-pass 221 222 # Assertions: some tests show failures when assertions are enabled. 223 # Since javac is typically loaded via the bootclassloader (either via TESTJAVA 224 # or TESTBOOTCLASSPATH), you may need -esa to enable assertions in javac. 225 JTREG_OPTIONS += $(ASSERTION_OPTIONS) 226 JCK_OPTIONS += $(ASSERTION_OPTIONS:%=-vmoptions:%) 227 228 # Include shared options 229 JCK_COMPILER_OPTIONS += $(JCK_OPTIONS) 230 JCK_RUNTIME_OPTIONS += $(JCK_OPTIONS) 231 232 # Exit codes: 233 # jtreg, jck: 0: OK, 1: tests failed, 2: tests error; 3+: SERIOUS 234 FATAL_JTREG_EXIT = 3 235 FATAL_JCK_EXIT = 3 236 # jtdiff: 0: OK, 1: differences found; 2+: SERIOUS 237 FATAL_JTDIFF_EXIT = 2 238 # 239 # Exit -- used for final "normal" exit from "make". Redefine to "true" to avoid 240 # having make exit with non-zero return code. 241 EXIT = exit 242 # Function to exit shell if exit code of preceding command is greater than or equal 243 # to a given level. Redefine function or preceding FATAL_*_EXIT codes as needed. 244 EXIT_IF_FATAL = status=$$?; if [ $$status -ge $(1) ]; then exit $$status ; fi 245 246 # Root of all test results 247 TEST_OUTPUT_DIR ?= $(TEST_ROOT)/../build/$(PLATFORM)-$(ARCH)/test/langtools 248 ABS_TEST_OUTPUT_DIR := \ 249 $(shell mkdir -p $(TEST_OUTPUT_DIR); \ 250 cd $(TEST_OUTPUT_DIR); \ 251 pwd $(CYGPATH)) 252 # Subdirectories for different test runs 253 JTREG_OUTPUT_DIR = $(ABS_TEST_OUTPUT_DIR)/jtreg 254 JCK_COMPILER_OUTPUT_DIR = $(ABS_TEST_OUTPUT_DIR)/jck-compiler 255 JCK_RUNTIME_OUTPUT_DIR = $(ABS_TEST_OUTPUT_DIR)/jck-runtime-Xcompile 256 257 # Is the test JVM 32-bit? 258 DATA_MODEL := \ 259 $(shell $(TESTJAVA)/bin/java -XshowSettings:properties -version 2>&1 | \ 260 grep 'sun\.arch\.data\.model' | \ 261 awk '{print $$3}') 262 ifeq ($(DATA_MODEL), 32) 263 # Set the GC options for test vms having a smaller address space 264 JTREG_GC_OPTION = -vmoption:-XX:+UseSerialGC 265 JTREG_OPTIONS += $(JTREG_GC_OPTION) 266 endif 267 268 # Default make rule -- warning, may take a while 269 all: $(JPRT_CLEAN) jtreg-tests jck-compiler-tests jck-runtime-tests $(JPRT_ARCHIVE_BUNDLE) all-summary 270 @echo "Testing completed successfully" 271 272 jtreg apt javac javadoc javah javap jdeps: $(JPRT_CLEAN) jtreg-tests $(JPRT_ARCHIVE_BUNDLE) jtreg-summary 273 @echo "Testing completed successfully" 274 275 jck-compiler: $(JPRT_CLEAN) jck-compiler-tests $(JPRT_ARCHIVE_BUNDLE) jck-compiler-summary 276 @echo "Testing completed successfully" 277 278 jck-runtime: $(JPRT_CLEAN) jck-runtime-tests $(JPRT_ARCHIVE_BUNDLE) jck-runtime-summary 279 @echo "Testing completed successfully" 280 281 # a way to select tests from outside 282 # works for targets 'jtreg', 'jck-compiler', and 'jck-runtime' 283 ifdef TEST_SELECTION 284 JTREG_TESTDIRS = $(TEST_SELECTION) 285 JCK_COMPILER_TESTDIRS = $(TEST_SELECTION) 286 JCK_RUNTIME_TESTDIRS = $(TEST_SELECTION) 287 endif 288 289 # for use with JPRT -testrule 290 all: JTREG_TESTDIRS = . 291 jtreg: JTREG_TESTDIRS ?= . 292 apt: JTREG_TESTDIRS = tools/apt 293 javac: JTREG_TESTDIRS = tools/javac 294 javadoc: JTREG_TESTDIRS = tools/javadoc com/sun/javadoc 295 javah: JTREG_TESTDIRS = tools/javah 296 javap: JTREG_TESTDIRS = tools/javap 297 jdeps: JTREG_TESTDIRS = tools/jdeps 298 299 300 # Run jtreg tests 301 # 302 # JTREG_HOME 303 # Installed location of jtreg 304 # JT_JAVA 305 # Version of java used to run jtreg. Should normally be the same as TESTJAVA 306 # TESTJAVA 307 # Version of java to be tested. 308 # JTREG_VERBOSE 309 # Verbosity setting for jtreg 310 # JTREG_OPTIONS 311 # Additional options for jtreg 312 # JTREG_TESTDIRS 313 # Directories of tests to be run 314 # JTREG_OUTPUT_DIR 315 # Where to write the results 316 # JTREG_REFERENCE 317 # (Optional) reference results (e.g. work, report or summary.txt) 318 # 319 jtreg_tests: jtreg-tests 320 jtreg-tests: check-jtreg FRC 321 @rm -f -r $(JTREG_OUTPUT_DIR)/JTwork $(JTREG_OUTPUT_DIR)/JTreport \ 322 $(JTREG_OUTPUT_DIR)/diff.html $(JTREG_OUTPUT_DIR)/status.txt 323 @mkdir -p $(JTREG_OUTPUT_DIR) 324 ( JT_JAVA=$(JT_JAVA) $(JTREG) \ 325 -a -ignore:quiet $(if $(JTREG_VERBOSE),-v:$(JTREG_VERBOSE)) \ 326 -r:$(JTREG_OUTPUT_DIR)/JTreport \ 327 -w:$(JTREG_OUTPUT_DIR)/JTwork \ 328 -jdk:$(TESTJAVA) \ 329 $(JAVA_ARGS:%=-vmoption:%) \ 330 $(JTREG_EXCLUSIONS) \ 331 $(JTREG_OPTIONS) \ 332 $(JTREG_TESTDIRS) \ 333 || ( $(call EXIT_IF_FATAL,$(FATAL_JTREG_EXIT)) ; \ 334 echo $$status > $(JTREG_OUTPUT_DIR)/status.txt \ 335 ) \ 336 ) 2>&1 | tee $(JTREG_OUTPUT_DIR)/output.txt 337 ifdef JTREG_REFERENCE 338 JT_JAVA=$(JT_JAVA) $(JTDIFF) -o $(JTREG_OUTPUT_DIR)/diff.html \ 339 $(JTREG_REFERENCE) $(JTREG_OUTPUT_DIR)/JTreport \ 340 || ( $(call EXIT_IF_FATAL,$(FATAL_JTDIFF_EXIT)) ) 341 endif 342 343 jtreg-summary: FRC 344 @if [ -r $(JTREG_OUTPUT_DIR)/status.txt ]; then \ 345 echo ; echo "Summary of jtreg test failures" ; \ 346 cat $(JTREG_OUTPUT_DIR)/JTreport/text/summary.txt | \ 347 grep -v 'Not run' | grep -v 'Passed' ; \ 348 echo ; \ 349 $(EXIT) `cat $(JTREG_OUTPUT_DIR)/status.txt` ; \ 350 fi 351 352 # Check to make sure these directories exist 353 check-jtreg: $(PRODUCT_HOME) $(JTREG) 354 355 356 # Run JCK-compiler tests 357 # 358 # JCK_HOME 359 # Installed location of JCK: should include JCK-compiler, and JCK-extras 360 # Default is JCK 8. 361 # JT_JAVA 362 # Version of java used to run JCK. Should normally be the same as TESTJAVA 363 # Default is JDK 7 364 # TESTJAVA 365 # Version of java to be tested. 366 # JCK_VERBOSE 367 # Verbosity setting for jtjck 368 # JCK_COMPILER_OPTIONS 369 # Additional options for JCK-compiler 370 # JCK_COMPILER_TESTDIRS 371 # Directories of tests to be run 372 # JCK_COMPILER_OUTPUT_DIR 373 # Where to write the results 374 # JCK_COMPILER_REFERENCE 375 # (Optional) reference results (e.g. work, report or summary.txt) 376 # 377 jck-compiler-tests: check-jck FRC 378 @rm -f -r $(JCK_COMPILER_OUTPUT_DIR)/work $(JCK_COMPILER_OUTPUT_DIR)/report \ 379 $(JCK_COMPILER_OUTPUT_DIR)/diff.html $(JCK_COMPILER_OUTPUT_DIR)/status.txt 380 @mkdir -p $(JCK_COMPILER_OUTPUT_DIR) 381 $(JT_JAVA)/bin/java -Xmx1024m \ 382 -jar $(JCK_HOME)/JCK-compiler-9/lib/jtjck.jar \ 383 $(if $(JCK_VERBOSE),$(if $(filter $(JCK_VERBOSE),summary),-v,-v:$(JCK_VERBOSE))) \ 384 -r:$(JCK_COMPILER_OUTPUT_DIR)/report \ 385 -w:$(JCK_COMPILER_OUTPUT_DIR)/work \ 386 -jdk:$(TESTJAVA) \ 387 $(JCK_COMPILER_OPTIONS) \ 388 $(JCK_COMPILER_TESTDIRS) \ 389 || ( $(call EXIT_IF_FATAL,$(FATAL_JCK_EXIT)) ; \ 390 echo $$status > $(JCK_COMPILER_OUTPUT_DIR)/status.txt \ 391 ) 392 ifdef JCK_COMPILER_REFERENCE 393 JT_JAVA=$(JT_JAVA) $(JTDIFF) -o $(JCK_COMPILER_OUTPUT_DIR)/diff.html \ 394 $(JCK_COMPILER_REFERENCE) $(JCK_COMPILER_OUTPUT_DIR)/report \ 395 || ( $(call EXIT_IF_FATAL,$(FATAL_JTDIFF_EXIT)) ) 396 endif 397 398 jck-compiler-summary: FRC 399 @if [ -r $(JCK_COMPILER_OUTPUT_DIR)/status.txt ]; then \ 400 echo ; echo "Summary of JCK-compiler test failures" ; \ 401 cat $(JCK_COMPILER_OUTPUT_DIR)/report/text/summary.txt | \ 402 grep -v 'Not run' | grep -v 'Passed' ; \ 403 echo ; \ 404 $(EXIT) `cat $(JCK_COMPILER_OUTPUT_DIR)/status.txt` ; \ 405 fi 406 407 # Run JCK-runtime tests in -Xcompile mode 408 # This is a special mode to test javac by compiling the tests in the JCK-runtime test suite 409 # Normal JCK-runtime invocation belongs in the jdk/ repository. 410 # 411 # JCK_HOME 412 # Installed location of JCK: should include JCK-compiler, JCK-runtime and JCK-extras 413 # JT_JAVA 414 # Version of java used to run JCK. Should normally be the same as TESTJAVA 415 # TESTJAVA 416 # Version of java to be tested. 417 # JCK_VERBOSE 418 # Verbosity setting for jtjck 419 # JCK_RUNTIME_OPTIONS 420 # Additional options for JCK-runtime 421 # JCK_RUNTIME_TESTDIRS 422 # Directories of tests to be run 423 # JCK_RUNTIME_OUTPUT_DIR 424 # Where to write the results 425 # JCK_RUNTIME_REFERENCE 426 # (Optional) reference results (e.g. work, report or summary.txt) 427 # 428 jck-runtime-tests: check-jck FRC 429 @rm -f -r $(JCK_RUNTIME_OUTPUT_DIR)/work $(JCK_RUNTIME_OUTPUT_DIR)/report \ 430 $(JCK_RUNTIME_OUTPUT_DIR)/diff.html $(JCK_RUNTIME_OUTPUT_DIR)/status.txt 431 @mkdir -p $(JCK_RUNTIME_OUTPUT_DIR) 432 $(JT_JAVA)/bin/java -Xmx1024m \ 433 -jar $(JCK_HOME)/JCK-runtime-9/lib/jtjck.jar \ 434 $(if $(JCK_VERBOSE),$(if $(filter $(JCK_VERBOSE),summary),-v,-v:$(JCK_VERBOSE))) \ 435 -r:$(JCK_RUNTIME_OUTPUT_DIR)/report \ 436 -w:$(JCK_RUNTIME_OUTPUT_DIR)/work \ 437 -jdk:$(TESTJAVA) \ 438 -Xcompile \ 439 $(JCK_RUNTIME_OPTIONS) \ 440 $(JCK_RUNTIME_TESTDIRS) \ 441 || ( $(call EXIT_IF_FATAL,$(FATAL_JCK_EXIT)) ; \ 442 echo $$status > $(JCK_RUNTIME_OUTPUT_DIR)/status.txt \ 443 ) 444 ifdef JCK_RUNTIME_REFERENCE 445 JT_JAVA=$(JT_JAVA) $(JTDIFF) -o $(JCK_RUNTIME_OUTPUT_DIR)/diff.html \ 446 $(JCK_RUNTIME_REFERENCE) $(JCK_RUNTIME_OUTPUT_DIR)/report \ 447 || ( $(call EXIT_IF_FATAL,$(FATAL_JTDIFF_EXIT)) ) 448 endif 449 450 jck-runtime-summary: FRC 451 @if [ -r $(JCK_RUNTIME_OUTPUT_DIR)/status.txt ]; then \ 452 echo ; echo "Summary of JCK-runtime test failures" ; \ 453 cat $(JCK_RUNTIME_OUTPUT_DIR)/report/text/summary.txt | \ 454 grep -v 'Not run' | grep -v 'Passed' ; \ 455 echo ; \ 456 $(EXIT) `cat $(JCK_RUNTIME_OUTPUT_DIR)/status.txt` ; \ 457 fi 458 459 # Check to make sure these directories exist 460 check-jck: 461 @if [ ! -d '$(JCK_HOME)' ]; then \ 462 echo "JCK_HOME $(JCK_HOME) missing" ; \ 463 $(EXIT) 1 ; \ 464 fi 465 @if [ ! -d '$(PRODUCT_HOME)' ]; then \ 466 echo "PRODUCT_HOME $(PRODUCT_HOME) missing" ; \ 467 $(EXIT) 1 ; \ 468 fi 469 470 all-summary: FRC 471 @if [ -n "`find $(TEST_OUTPUT_DIR) -name status.txt`" ]; then 472 echo ; echo "Summary of test failures" ; \ 473 cat `find $(TEST_OUTPUT_DIR) -name summary.txt` | \ 474 grep -v 'Not run' | grep -v 'Passed' ; \ 475 echo ; \ 476 $(EXIT) 1 477 fi 478 479 # Bundle up the results 480 $(JPRT_ARCHIVE_BUNDLE): FRC 481 @rm -f $@ 482 @mkdir -p $(@D) 483 ( cd $(TEST_OUTPUT_DIR) && zip -q -r $@ . ) 484 485 # Cleanup 486 clean: 487 rm -f $(JPRT_ARCHIVE_BUNDLE) 488 489 # Used to force a target rules to run 490 FRC: 491 492 # Phony targets (e.g. these are not filenames) 493 .PHONY: all clean \ 494 jtreg javac javadoc javah javap jdeps jtreg-tests jtreg-summary check-jtreg \ 495 jck-compiler jck-compiler-tests jck-compiler-summary \ 496 jck-runtime jck-runtime-tests jck-runtime-summary check-jck 497 498 # No use of suffix rules 499 .SUFFIXES: 500