1 #
   2 # Copyright (c) 2011, 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 AC_DEFUN([BPERF_CHECK_CORES],
  27 [
  28     AC_MSG_CHECKING([for number of cores])
  29     NUM_CORES=1
  30     FOUND_CORES=no
  31     
  32     if test -f /proc/cpuinfo; then
  33         # Looks like a Linux system
  34         NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
  35         FOUND_CORES=yes
  36     fi
  37 
  38     if test -x /usr/sbin/psrinfo; then
  39         # Looks like a Solaris system
  40         NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
  41         FOUND_CORES=yes
  42     fi
  43 
  44     if test -x /usr/sbin/system_profiler; then
  45         # Looks like a MacOSX system
  46         NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
  47         FOUND_CORES=yes
  48     fi
  49 
  50     if test "x$build_os" = xwindows; then
  51         NUM_CORES=4
  52     fi
  53 
  54     # For c/c++ code we run twice as many concurrent build
  55     # jobs than we have cores, otherwise we will stall on io.
  56     CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
  57 
  58     if test "x$FOUND_CORES" = xyes; then
  59         AC_MSG_RESULT([$NUM_CORES])
  60     else
  61         AC_MSG_RESULT([could not detect number of cores, defaulting to 1!])
  62     fi 
  63 
  64 ])
  65 
  66 AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
  67 [
  68     AC_MSG_CHECKING([for memory size])
  69     # Default to 1024MB
  70     MEMORY_SIZE=1024
  71     FOUND_MEM=no
  72     
  73     if test -f /proc/cpuinfo; then
  74         # Looks like a Linux system
  75         MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
  76         MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
  77         FOUND_MEM=yes
  78     fi
  79 
  80     if test -x /usr/sbin/prtconf; then
  81         # Looks like a Solaris system
  82         MEMORY_SIZE=`/usr/sbin/prtconf | grep "Memory size" | awk '{ print [$]3 }'`
  83         FOUND_MEM=yes
  84     fi
  85 
  86     if test -x /usr/sbin/system_profiler; then
  87         # Looks like a MacOSX system
  88         MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
  89         MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
  90         FOUND_MEM=yes
  91     fi
  92 
  93     if test "x$build_os" = xwindows; then
  94         MEMORY_SIZE=`systeminfo | grep 'Total Physical Memory:' | awk '{ print [$]4 }' | sed 's/,//'`
  95         FOUND_MEM=yes    
  96     fi
  97 
  98     if test "x$FOUND_MEM" = xyes; then
  99         AC_MSG_RESULT([$MEMORY_SIZE MB])
 100     else
 101         AC_MSG_RESULT([could not detect memory size defaulting to 1024MB!])
 102     fi 
 103 ])
 104 
 105 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
 106 [
 107 # How many cores do we have on this build system?
 108 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
 109     [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
 110 if test "x$with_num_cores" = x; then
 111     # The number of cores were not specified, try to probe them.
 112     BPERF_CHECK_CORES
 113 else
 114     NUM_CORES=$with_num_cores
 115     CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2`
 116 fi
 117 AC_SUBST(NUM_CORES)
 118 AC_SUBST(CONCURRENT_BUILD_JOBS)
 119 ])
 120 
 121 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
 122 [
 123 # How much memory do we have on this build system?
 124 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
 125     [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
 126 if test "x$with_memory_size" = x; then
 127     # The memory size was not specified, try to probe it.
 128     BPERF_CHECK_MEMORY_SIZE
 129 else
 130     MEMORY_SIZE=$with_memory_size
 131 fi
 132 AC_SUBST(MEMORY_SIZE)
 133 ])
 134 
 135 AC_DEFUN([BPERF_SETUP_CCACHE],
 136 [
 137     AC_ARG_ENABLE([ccache],
 138               [AS_HELP_STRING([--disable-ccache],
 139                               [use ccache to speed up recompilations @<:@enabled@:>@])],
 140               [ENABLE_CCACHE=${enable_ccache}], [ENABLE_CCACHE=yes])
 141     if test "x$ENABLE_CCACHE" = xyes; then
 142         AC_PATH_PROG(CCACHE, ccache)
 143     else
 144         AC_MSG_CHECKING([for ccache])
 145         AC_MSG_RESULT([explicitly disabled])    
 146         CCACHE=
 147     fi    
 148     AC_SUBST(CCACHE)
 149 
 150     AC_ARG_WITH([ccache-dir],
 151               [AS_HELP_STRING([--with-ccache-dir],
 152                               [where to store ccache files @<:@~/.ccache@:>@])])
 153 
 154     if test "x$with_ccache_dir" != x; then
 155         # When using a non home ccache directory, assume the use is to share ccache files
 156         # with other users. Thus change the umask.
 157         SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
 158     fi
 159     CCACHE_FOUND=""
 160     if test "x$CCACHE" != x; then
 161         BPERF_SETUP_CCACHE_USAGE
 162     fi    
 163 ])
 164 
 165 AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
 166 [
 167     if test "x$CCACHE" != x; then
 168         CCACHE_FOUND="true"
 169         # Only use ccache if it is 3.1.4 or later, which supports
 170         # precompiled headers.
 171         AC_MSG_CHECKING([if ccache supports precompiled headers])
 172         HAS_GOOD_CCACHE=`($CCACHE --version | head -n 1 | grep -E 3.1.@<:@456789@:>@) 2> /dev/null`
 173         if test "x$HAS_GOOD_CCACHE" = x; then
 174             AC_MSG_RESULT([no, disabling ccache])
 175             CCACHE=
 176         else
 177             AC_MSG_RESULT([yes])
 178             AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
 179             PUSHED_FLAGS="$CXXFLAGS"
 180             CXXFLAGS="-fpch-preprocess $CXXFLAGS"
 181             AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
 182             CXXFLAGS="$PUSHED_FLAGS"
 183             if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
 184                 AC_MSG_RESULT([yes])
 185             else
 186                 AC_MSG_RESULT([no, disabling ccaching of precompiled headers])
 187                 CCACHE=
 188             fi
 189         fi
 190     fi
 191 
 192     if test "x$CCACHE" != x; then
 193         CCACHE_SLOPPINESS=time_macros
 194         CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS $CCACHE"
 195         CCACHE_FLAGS=-fpch-preprocess
 196 
 197         if test "x$SET_CCACHE_DIR" != x; then
 198             mkdir -p $CCACHE_DIR > /dev/null 2>&1
 199             chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
 200         fi
 201     fi
 202 ])
 203 
 204 AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
 205 [
 206        
 207 ###############################################################################
 208 #
 209 # Can the C/C++ compiler use precompiled headers?
 210 #
 211 AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
 212         [use precompiled headers when compiling C++ @<:@enabled@:>@])],
 213     [ENABLE_PRECOMPH=${enable_precompiled-headers}], [ENABLE_PRECOMPH=yes])
 214 
 215 USE_PRECOMPILED_HEADER=1
 216 if test "x$ENABLE_PRECOMPH" = xno; then
 217     USE_PRECOMPILED_HEADER=0
 218 fi
 219 
 220 if test "x$ENABLE_PRECOMPH" = xyes; then
 221     # Check that the compiler actually supports precomp headers.
 222     if test "x$GCC" = xyes; then
 223          AC_MSG_CHECKING([that precompiled headers work])         
 224          echo "int alfa();" > conftest.h
 225          $CXX -x c++-header conftest.h -o conftest.hpp.gch
 226          if test ! -f conftest.hpp.gch; then
 227              echo Precompiled header is not working!
 228              USE_PRECOMPILED_HEADER=0
 229              AC_MSG_RESULT([no])        
 230          else
 231              AC_MSG_RESULT([yes])
 232          fi
 233          rm -f conftest.h
 234     fi
 235 fi
 236 
 237 AC_SUBST(USE_PRECOMPILED_HEADER)
 238 ])
 239 
 240 
 241 AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
 242 [
 243 AC_ARG_WITH(server-java, [AS_HELP_STRING([--with-server-java],
 244         [use this java binary for running the javac background server and other long running java tasks in the build process,
 245      e.g. ---with-server-java="/opt/jrockit/bin/java -server"])])
 246 
 247 if test "x$with_server_java" != x; then
 248     SERVER_JAVA="$with_server_java"
 249     FOUND_VERSION=`$SERVER_JAVA -version 2>&1 | grep " version \""`
 250     if test "x$FOUND_VERSION" = x; then
 251         AC_MSG_ERROR([Could not execute server java: $SERVER_JAVA])
 252     fi
 253 else
 254     SERVER_JAVA=""
 255     # Hotspot specific options.
 256     ADD_JVM_ARG_IF_OK([-XX:+UseParallelOldGC],SERVER_JAVA,[$JAVA])
 257     ADD_JVM_ARG_IF_OK([-verbosegc],SERVER_JAVA,[$JAVA])
 258     # JRockit specific options.
 259     ADD_JVM_ARG_IF_OK([-Xverbose:gc],SERVER_JAVA,[$JAVA])
 260     SERVER_JAVA="$JAVA $SERVER_JAVA"
 261 fi                    
 262 AC_SUBST(SERVER_JAVA)
 263 
 264 AC_MSG_CHECKING([whether to use shared server for javac])
 265 AC_ARG_ENABLE([javac-server], [AS_HELP_STRING([--enable-javac-server],
 266         [enable the shared javac server during the build process @<:@disabled@:>@])],
 267         [ENABLE_JAVAC_SERVER="${enableval}"], [ENABLE_JAVAC_SERVER='no'])
 268 AC_MSG_RESULT([$ENABLE_JAVAC_SERVER])
 269 if test "x$ENABLE_JAVAC_SERVER" = xyes; then
 270     JAVAC_USE_REMOTE=true
 271     JAVAC_SERVERS="$OUTPUT_ROOT/javacservers"
 272 else
 273     JAVAC_USE_REMOTE=false
 274     JAVAC_SERVERS=
 275 fi
 276 AC_SUBST(JAVAC_USE_REMOTE)
 277 AC_SUBST(JAVAC_SERVERS)
 278 
 279 AC_ARG_WITH(javac-server-cores, [AS_HELP_STRING([--with-javac-server-cores],
 280         [use at most this number of concurrent threads on the javac server @<:@probed@:>@])])
 281 if test "x$with_javac_server_cores" != x; then
 282     JAVAC_SERVER_CORES="$with_javac_server_cores"
 283 else
 284     if test "$NUM_CORES" -gt 16; then
 285         # We set this arbitrary limit because we want to limit the heap
 286         # size of the javac server.
 287         # In the future we will make the javac compilers in the server
 288         # share more and more state, thus enabling us to use more and
 289         # more concurrent threads in the server.
 290         JAVAC_SERVER_CORES="16"
 291     else
 292         JAVAC_SERVER_CORES="$NUM_CORES"
 293     fi
 294 
 295     if test "$MEMORY_SIZE" -gt "17000"; then
 296         MAX_HEAP_MEM=10000
 297         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
 298         ADD_JVM_ARG_IF_OK([-Xms10G -Xmx10G],SERVER_JAVA,[$SERVER_JAVA])
 299         ADD_JVM_ARG_IF_OK([-Xmn2G],SERVER_JAVA,[$SERVER_JAVA])
 300     elif test "$MEMORY_SIZE" -gt "10000"; then
 301         MAX_HEAP_MEM=6000
 302         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
 303         ADD_JVM_ARG_IF_OK([-Xms6G -Xmx6G],SERVER_JAVA,[$SERVER_JAVA])
 304         ADD_JVM_ARG_IF_OK([-Xmn1G],SERVER_JAVA,[$SERVER_JAVA])
 305     elif test "$MEMORY_SIZE" -gt "5000"; then
 306         MAX_HEAP_MEM=3000
 307         ADD_JVM_ARG_IF_OK([-d64],SERVER_JAVA,[$SERVER_JAVA])
 308         ADD_JVM_ARG_IF_OK([-Xms1G -Xmx3G],SERVER_JAVA,[$SERVER_JAVA])
 309         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
 310     elif test "$MEMORY_SIZE" -gt "3800"; then
 311         MAX_HEAP_MEM=2500
 312         ADD_JVM_ARG_IF_OK([-Xms1G -Xmx2500M],SERVER_JAVA,[$SERVER_JAVA])
 313         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
 314     elif test "$MEMORY_SIZE" -gt "1900"; then
 315         MAX_HEAP_MEM=1200
 316         ADD_JVM_ARG_IF_OK([-Xms700M -Xmx1200M],SERVER_JAVA,[$SERVER_JAVA])
 317         ADD_JVM_ARG_IF_OK([-Xmn256M],SERVER_JAVA,[$SERVER_JAVA])
 318     elif test "$MEMORY_SIZE" -gt "1000"; then
 319         MAX_HEAP_MEM=900
 320         ADD_JVM_ARG_IF_OK([-Xms400M -Xmx900M],SERVER_JAVA,[$SERVER_JAVA])
 321         ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
 322     else
 323         MAX_HEAP_MEM=512
 324         ADD_JVM_ARG_IF_OK([-Xms256M -Xmx512M],SERVER_JAVA,[$SERVER_JAVA])
 325         ADD_JVM_ARG_IF_OK([-Xmn128M],SERVER_JAVA,[$SERVER_JAVA])
 326     fi
 327 
 328     MAX_COMPILERS_IN_HEAP=`expr $MAX_HEAP_MEM / 501`
 329     if test "$JAVAC_SERVER_CORES" -gt "$MAX_COMPILERS_IN_HEAP"; then
 330         AC_MSG_CHECKING([if number of server cores must be reduced])
 331         JAVAC_SERVER_CORES="$MAX_COMPILERS_IN_HEAP"
 332         AC_MSG_RESULT([yes, to $JAVAC_SERVER_CORES with max heap size $MAX_HEAP_MEM MB])
 333     fi
 334 fi                    
 335 AC_SUBST(JAVAC_SERVER_CORES)
 336 
 337 AC_MSG_CHECKING([whether to track dependencies between Java packages])
 338 AC_ARG_ENABLE([javac-deps], [AS_HELP_STRING([--enable-javac-deps],
 339         [enable the dependency tracking between Java packages @<:@disabled@:>@])],
 340         [ENABLE_JAVAC_DEPS="${enableval}"], [ENABLE_JAVAC_DEPS='no'])
 341 AC_MSG_RESULT([$ENABLE_JAVAC_DEPS])
 342 if test "x$ENABLE_JAVAC_DEPS" = xyes; then
 343     JAVAC_USE_DEPS=true
 344 else
 345     JAVAC_USE_DEPS=false
 346 fi
 347 AC_SUBST(JAVAC_USE_DEPS)
 348 
 349 AC_MSG_CHECKING([whether to use multiple cores for javac compilation])
 350 AC_ARG_ENABLE([javac-multi-core], [AS_HELP_STRING([--enable-javac-multi-core],
 351         [compile Java packages concurrently @<:@disabled@:>@])],
 352         [ENABLE_JAVAC_MULTICORE="${enableval}"], [ENABLE_JAVAC_MULTICORE='no'])
 353 AC_MSG_RESULT([$ENABLE_JAVAC_MULTICORE])
 354 if test "x$ENABLE_JAVAC_MULTICORE" = xyes; then
 355     JAVAC_USE_MODE=MULTI_CORE_CONCURRENT
 356 else
 357     JAVAC_USE_MODE=SINGLE_THREADED_BATCH
 358     if test "x$ENABLE_JAVAC_DEPS" = xyes; then
 359         AC_MSG_WARN([Dependency tracking is not supported with single threaded batch compiles of Java source roots. Please add --disable-javac-deps to your configure options.])
 360         AC_MSG_WARN([Disabling dependency tracking for you now.])
 361         JAVAC_USE_DEPS=false
 362     fi
 363     if test "x$ENABLE_JAVAC_SERVER" = xyes; then
 364         AC_MSG_WARN([The javac server will not be used since single threaded batch compiles are run within their own JVM. Please add --disable-javac-server to your configure options.])
 365         AC_MSG_WARN([Disabling javac server for you now.])
 366         JAVAC_USE_REMOTE=false
 367     fi
 368 fi
 369 AC_SUBST(JAVAC_USE_MODE)
 370 
 371 AC_MSG_CHECKING([whether to use sjavac])
 372 AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
 373         [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
 374         [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC='no'])
 375 AC_MSG_RESULT([$ENABLE_SJAVAC])
 376 AC_SUBST(ENABLE_SJAVAC)
 377 
 378 ])